BBS in a Box 11

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MacBinary | 1991-10-20 | 44.4 KB | [TEXT/MPS ]
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You can browse this item here: regex.c
Confidence	Program	Detection	Match Type	Support
`66%`	dexvert	Compact Compressed (Unix) `(archive/compact)`	ext	Supported
`10%`	dexvert	MacBinary `(archive/macBinary)`	fallback	Supported
`1%`	dexvert	Text File `(text/txt)`	fallback	Supported
`100%`	file	MacBinary II, Sun Oct 20 01:04:51 1991, modified Sun Oct 20 01:04:51 1991, creator 'MPS ', type ASCII, 44899 bytes "regex.c" , at 0xafe3 328 bytes resource	default (weak)
`99%`	file	data	default
`74%`	TrID	Macintosh plain text (MacBinary)	default
`25%`	TrID	MacBinary 2	default (weak)
`100%`	siegfried	fmt/1762 MacBinary (II)	default
`100%`	lsar	MacBinary	default
id metadata
key	value
macFileType	`[TEXT]`
macFileCreator	`[MPS ]`
hex view
+--------+-------------------------+-------------------------+--------+--------+
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|00000d20| 20 70 61 74 74 65 72 6e | 20 73 74 72 69 6e 67 0d | pattern| string.|
|00000d30| 20 20 53 49 5a 45 20 20 | 20 20 20 20 69 73 20 74 |  SIZE  |    is t|
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|00000d80| 69 63 68 20 70 6f 69 6e | 74 73 20 74 6f 20 74 68 |ich poin|ts to th|
|00000d90| 65 20 69 6e 66 6f 0d 09 | 20 20 20 20 6f 6e 20 77 |e info..|    on w|
|00000da0| 68 65 72 65 20 74 6f 20 | 73 74 6f 72 65 20 74 68 |here to |store th|
|00000db0| 65 20 62 79 74 65 20 63 | 6f 6d 6d 61 6e 64 73 2e |e byte c|ommands.|
|00000dc0| 0d 09 20 20 20 20 54 68 | 69 73 20 73 74 72 75 63 |..    Th|is struc|
|00000dd0| 74 75 72 65 20 63 6f 6e | 74 61 69 6e 73 20 61 20 |ture con|tains a |
|00000de0| 20 63 68 61 72 20 2a 20 | 20 77 68 69 63 68 20 70 | char * | which p|
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|00000e00| 20 20 61 63 74 75 61 6c | 20 73 70 61 63 65 2c 20 |  actual| space, |
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|00000e30| 77 69 74 68 20 6d 61 6c | 6c 6f 63 2e 0d 09 20 20 |with mal|loc...  |
|00000e40| 20 20 72 65 5f 63 6f 6d | 70 69 6c 65 5f 70 61 74 |  re_com|pile_pat|
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|00000e70| 68 65 20 62 75 66 66 65 | 72 20 73 70 61 63 65 2e |he buffe|r space.|
|00000e80| 0d 0d 20 20 54 68 65 20 | 6e 75 6d 62 65 72 20 6f |..  The |number o|
|00000e90| 66 20 62 79 74 65 73 20 | 6f 66 20 63 6f 6d 6d 61 |f bytes |of comma|
|00000ea0| 6e 64 73 20 63 61 6e 20 | 62 65 20 66 6f 75 6e 64 |nds can |be found|
|00000eb0| 20 6f 75 74 20 62 79 20 | 6c 6f 6f 6b 69 6e 67 20 | out by |looking |
|00000ec0| 69 6e 0d 20 20 74 68 65 | 20 20 73 74 72 75 63 74 |in.  the|  struct|
|00000ed0| 20 72 65 5f 70 61 74 74 | 65 72 6e 5f 62 75 66 66 | re_patt|ern_buff|
|00000ee0| 65 72 20 20 74 68 61 74 | 20 62 75 66 70 20 70 6f |er  that| bufp po|
|00000ef0| 69 6e 74 65 64 20 74 6f | 2c 0d 20 20 61 66 74 65 |inted to|,.  afte|
|00000f00| 72 20 72 65 5f 63 6f 6d | 70 69 6c 65 5f 70 61 74 |r re_com|pile_pat|
|00000f10| 74 65 72 6e 20 72 65 74 | 75 72 6e 73 2e 0d 2a 2f |tern ret|urns..*/|
|00000f20| 0d 0d 23 64 65 66 69 6e | 65 20 50 41 54 50 55 53 |..#defin|e PATPUS|
|00000f30| 48 28 63 68 29 20 28 2a | 62 2b 2b 20 3d 20 28 63 |H(ch) (*|b++ = (c|
|00000f40| 68 61 72 29 20 28 63 68 | 29 29 0d 0d 23 64 65 66 |har) (ch|))..#def|
|00000f50| 69 6e 65 20 50 41 54 46 | 45 54 43 48 28 63 29 20 |ine PATF|ETCH(c) |
|00000f60| 5c 0d 20 7b 69 66 20 28 | 70 20 3d 3d 20 70 65 6e |\. {if (|p == pen|
|00000f70| 64 29 20 67 6f 74 6f 20 | 65 6e 64 5f 6f 66 5f 70 |d) goto |end_of_p|
|00000f80| 61 74 74 65 72 6e 3b 20 | 5c 0d 20 20 63 20 3d 20 |attern; |\.  c = |
|00000f90| 2a 20 28 75 6e 73 69 67 | 6e 65 64 20 63 68 61 72 |* (unsig|ned char|
|00000fa0| 20 2a 29 20 70 2b 2b 3b | 20 5c 0d 20 20 69 66 20 | *) p++;| \.  if |
|00000fb0| 28 74 72 61 6e 73 6c 61 | 74 65 29 20 63 20 3d 20 |(transla|te) c = |
|00000fc0| 74 72 61 6e 73 6c 61 74 | 65 5b 63 5d 3b 20 7d 0d |translat|e[c]; }.|
|00000fd0| 0d 23 64 65 66 69 6e 65 | 20 50 41 54 46 45 54 43 |.#define| PATFETC|
|00000fe0| 48 5f 52 41 57 28 63 29 | 20 5c 0d 20 7b 69 66 20 |H_RAW(c)| \. {if |
|00000ff0| 28 70 20 3d 3d 20 70 65 | 6e 64 29 20 67 6f 74 6f |(p == pe|nd) goto|
|00001000| 20 65 6e 64 5f 6f 66 5f | 70 61 74 74 65 72 6e 3b | end_of_|pattern;|
|00001010| 20 5c 0d 20 20 63 20 3d | 20 2a 20 28 75 6e 73 69 | \.  c =| * (unsi|
|00001020| 67 6e 65 64 20 63 68 61 | 72 20 2a 29 20 70 2b 2b |gned cha|r *) p++|
|00001030| 3b 20 7d 0d 0d 23 64 65 | 66 69 6e 65 20 50 41 54 |; }..#de|fine PAT|
|00001040| 55 4e 46 45 54 43 48 20 | 70 2d 2d 0d 0d 23 64 65 |UNFETCH |p--..#de|
|00001050| 66 69 6e 65 20 45 58 54 | 45 4e 44 5f 42 55 46 46 |fine EXT|END_BUFF|
|00001060| 45 52 20 5c 0d 20 20 7b | 20 63 68 61 72 20 2a 6f |ER \.  {| char *o|
|00001070| 6c 64 5f 62 75 66 66 65 | 72 20 3d 20 62 75 66 70 |ld_buffe|r = bufp|
|00001080| 2d 3e 62 75 66 66 65 72 | 3b 20 5c 0d 20 20 20 20 |->buffer|; \.    |
|00001090| 69 66 20 28 62 75 66 70 | 2d 3e 61 6c 6c 6f 63 61 |if (bufp|->alloca|
|000010a0| 74 65 64 20 3d 3d 20 28 | 31 3c 3c 31 36 29 29 20 |ted == (|1<<16)) |
|000010b0| 67 6f 74 6f 20 74 6f 6f | 5f 62 69 67 3b 20 5c 0d |goto too|_big; \.|
|000010c0| 20 20 20 20 62 75 66 70 | 2d 3e 61 6c 6c 6f 63 61 |    bufp|->alloca|
|000010d0| 74 65 64 20 2a 3d 20 32 | 3b 20 5c 0d 20 20 20 20 |ted *= 2|; \.    |
|000010e0| 69 66 20 28 62 75 66 70 | 2d 3e 61 6c 6c 6f 63 61 |if (bufp|->alloca|
|000010f0| 74 65 64 20 3e 20 28 31 | 3c 3c 31 36 29 29 20 62 |ted > (1|<<16)) b|
|00001100| 75 66 70 2d 3e 61 6c 6c | 6f 63 61 74 65 64 20 3d |ufp->all|ocated =|
|00001110| 20 28 31 3c 3c 31 36 29 | 3b 20 5c 0d 20 20 20 20 | (1<<16)|; \.    |
|00001120| 69 66 20 28 21 28 62 75 | 66 70 2d 3e 62 75 66 66 |if (!(bu|fp->buff|
|00001130| 65 72 20 3d 20 28 63 68 | 61 72 20 2a 29 20 72 65 |er = (ch|ar *) re|
|00001140| 61 6c 6c 6f 63 20 28 62 | 75 66 70 2d 3e 62 75 66 |alloc (b|ufp->buf|
|00001150| 66 65 72 2c 20 62 75 66 | 70 2d 3e 61 6c 6c 6f 63 |fer, buf|p->alloc|
|00001160| 61 74 65 64 29 29 29 20 | 5c 0d 20 20 20 20 20 20 |ated))) |\.      |
|00001170| 67 6f 74 6f 20 6d 65 6d | 6f 72 79 5f 65 78 68 61 |goto mem|ory_exha|
|00001180| 75 73 74 65 64 3b 20 5c | 0d 20 20 20 20 63 20 3d |usted; \|.    c =|
|00001190| 20 62 75 66 70 2d 3e 62 | 75 66 66 65 72 20 2d 20 | bufp->b|uffer - |
|000011a0| 6f 6c 64 5f 62 75 66 66 | 65 72 3b 20 5c 0d 20 20 |old_buff|er; \.  |
|000011b0| 20 20 62 20 2b 3d 20 63 | 3b 20 5c 0d 20 20 20 20 |  b += c|; \.    |
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|000011d0| 5c 0d 20 20 20 20 20 20 | 66 69 78 75 70 5f 6a 75 |\.      |fixup_ju|
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|000011f0| 66 20 28 6c 61 73 74 73 | 74 61 72 74 29 20 5c 0d |f (lasts|tart) \.|
|00001200| 20 20 20 20 20 20 6c 61 | 73 74 73 74 61 72 74 20 |      la|ststart |
|00001210| 2b 3d 20 63 3b 20 5c 0d | 20 20 20 20 62 65 67 61 |+= c; \.|    bega|
|00001220| 6c 74 20 2b 3d 20 63 3b | 20 5c 0d 20 20 20 20 69 |lt += c;| \.    i|
|00001230| 66 20 28 70 65 6e 64 69 | 6e 67 5f 65 78 61 63 74 |f (pendi|ng_exact|
|00001240| 29 20 5c 0d 20 20 20 20 | 20 20 70 65 6e 64 69 6e |) \.    |  pendin|
|00001250| 67 5f 65 78 61 63 74 20 | 2b 3d 20 63 3b 20 5c 0d |g_exact |+= c; \.|
|00001260| 20 20 7d 0d 0d 73 74 61 | 74 69 63 20 69 6e 74 20 |  }..sta|tic int |
|00001270| 73 74 6f 72 65 5f 6a 75 | 6d 70 20 28 29 2c 20 69 |store_ju|mp (), i|
|00001280| 6e 73 65 72 74 5f 6a 75 | 6d 70 20 28 29 3b 0d 0d |nsert_ju|mp ();..|
|00001290| 63 68 61 72 20 2a 0d 72 | 65 5f 63 6f 6d 70 69 6c |char *.r|e_compil|
|000012a0| 65 5f 70 61 74 74 65 72 | 6e 20 28 70 61 74 74 65 |e_patter|n (patte|
|000012b0| 72 6e 2c 20 73 69 7a 65 | 2c 20 62 75 66 70 29 0d |rn, size|, bufp).|
|000012c0| 20 20 20 20 20 63 68 61 | 72 20 2a 70 61 74 74 65 |     cha|r *patte|
|000012d0| 72 6e 3b 0d 20 20 20 20 | 20 69 6e 74 20 73 69 7a |rn;.    | int siz|
|000012e0| 65 3b 0d 20 20 20 20 20 | 73 74 72 75 63 74 20 72 |e;.     |struct r|
|000012f0| 65 5f 70 61 74 74 65 72 | 6e 5f 62 75 66 66 65 72 |e_patter|n_buffer|
|00001300| 20 2a 62 75 66 70 3b 0d | 7b 0d 20 20 72 65 67 69 | *bufp;.|{.  regi|
|00001310| 73 74 65 72 20 63 68 61 | 72 20 2a 62 20 3d 20 62 |ster cha|r *b = b|
|00001320| 75 66 70 2d 3e 62 75 66 | 66 65 72 3b 0d 20 20 72 |ufp->buf|fer;.  r|
|00001330| 65 67 69 73 74 65 72 20 | 63 68 61 72 20 2a 70 20 |egister |char *p |
|00001340| 3d 20 70 61 74 74 65 72 | 6e 3b 0d 20 20 63 68 61 |= patter|n;.  cha|
|00001350| 72 20 2a 70 65 6e 64 20 | 3d 20 70 61 74 74 65 72 |r *pend |= patter|
|00001360| 6e 20 2b 20 73 69 7a 65 | 3b 0d 20 20 72 65 67 69 |n + size|;.  regi|
|00001370| 73 74 65 72 20 75 6e 73 | 69 67 6e 65 64 20 63 2c |ster uns|igned c,|
|00001380| 20 63 31 3b 0d 20 20 63 | 68 61 72 20 2a 70 31 3b | c1;.  c|har *p1;|
|00001390| 0d 20 20 75 6e 73 69 67 | 6e 65 64 20 63 68 61 72 |.  unsig|ned char|
|000013a0| 20 2a 74 72 61 6e 73 6c | 61 74 65 20 3d 20 28 75 | *transl|ate = (u|
|000013b0| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 29 20 |nsigned |char *) |
|000013c0| 62 75 66 70 2d 3e 74 72 | 61 6e 73 6c 61 74 65 3b |bufp->tr|anslate;|
|000013d0| 0d 0d 20 20 2f 2a 20 61 | 64 64 72 65 73 73 20 6f |..  /* a|ddress o|
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|00001410| 65 78 61 63 74 6e 22 20 | 63 6f 6d 6d 61 6e 64 2e |exactn" |command.|
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|000014b0| 20 20 20 20 20 0d 20 20 | 63 68 61 72 20 2a 70 65 |     .  |char *pe|
|000014c0| 6e 64 69 6e 67 5f 65 78 | 61 63 74 20 3d 20 30 3b |nding_ex|act = 0;|
|000014d0| 0d 0d 20 20 2f 2a 20 61 | 64 64 72 65 73 73 20 6f |..  /* a|ddress o|
|000014e0| 66 20 74 68 65 20 70 6c | 61 63 65 20 77 68 65 72 |f the pl|ace wher|
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|00001520| 20 63 6f 6e 74 61 69 6e | 69 6e 67 20 65 78 70 72 | contain|ing expr|
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|000015a0| 2a 66 69 78 75 70 5f 6a | 75 6d 70 20 3d 20 30 3b |*fixup_j|ump = 0;|
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|00001630| 64 2e 20 2a 2f 0d 0d 20 | 20 63 68 61 72 20 2a 6c |d. */.. | char *l|
|00001640| 61 73 74 73 74 61 72 74 | 20 3d 20 30 3b 0d 0d 20 |aststart| = 0;.. |
|00001650| 20 2f 2a 20 49 6e 20 70 | 72 6f 63 65 73 73 69 6e | /* In p|rocessin|
|00001660| 67 20 61 20 72 65 70 65 | 61 74 2c 20 31 20 6d 65 |g a repe|at, 1 me|
|00001670| 61 6e 73 20 7a 65 72 6f | 20 6d 61 74 63 68 65 73 |ans zero| matches|
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|00001690| 20 20 63 68 61 72 20 7a | 65 72 6f 5f 74 69 6d 65 |  char z|ero_time|
|000016a0| 73 5f 6f 6b 3b 0d 0d 20 | 20 2f 2a 20 49 6e 20 70 |s_ok;.. | /* In p|
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|000016d0| 20 6d 61 74 63 68 65 73 | 20 69 73 20 61 6c 6c 6f | matches| is allo|
|000016e0| 77 65 64 20 2a 2f 0d 0d | 20 20 63 68 61 72 20 6d |wed */..|  char m|
|000016f0| 61 6e 79 5f 74 69 6d 65 | 73 5f 6f 6b 3b 0d 0d 20 |any_time|s_ok;.. |
|00001700| 20 2f 2a 20 61 64 64 72 | 65 73 73 20 6f 66 20 62 | /* addr|ess of b|
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|00001740| 68 61 72 20 2a 62 65 67 | 61 6c 74 20 3d 20 62 3b |har *beg|alt = b;|
|00001750| 0d 0d 20 20 2f 2a 20 53 | 74 61 63 6b 20 6f 66 20 |..  /* S|tack of |
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|00001790| 20 46 6f 75 72 20 73 74 | 61 63 6b 20 65 6c 65 6d | Four st|ack elem|
|000017a0| 65 6e 74 73 20 61 72 65 | 20 70 75 73 68 65 64 20 |ents are| pushed |
|000017b0| 62 79 20 65 61 63 68 20 | 5c 28 3a 0d 20 20 20 20 |by each |\(:.    |
|000017c0| 20 20 20 46 69 72 73 74 | 2c 20 74 68 65 20 76 61 |   First|, the va|
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|000017e0| 20 53 65 63 6f 6e 64 2c | 20 74 68 65 20 76 61 6c | Second,| the val|
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|00001800| 2e 0d 20 20 20 20 20 20 | 20 54 68 69 72 64 2c 20 |..      | Third, |
|00001810| 74 68 65 20 76 61 6c 75 | 65 20 6f 66 20 72 65 67 |the valu|e of reg|
|00001820| 6e 75 6d 2e 0d 20 20 20 | 20 20 20 20 46 6f 75 72 |num..   |    Four|
|00001830| 74 68 2c 20 74 68 65 20 | 76 61 6c 75 65 20 6f 66 |th, the |value of|
|00001840| 20 62 65 67 61 6c 74 2e | 20 20 2a 2f 0d 0d 20 20 | begalt.|  */..  |
|00001850| 69 6e 74 20 73 74 61 63 | 6b 62 5b 34 30 5d 3b 0d |int stac|kb[40];.|
|00001860| 20 20 69 6e 74 20 2a 73 | 74 61 63 6b 70 20 3d 20 |  int *s|tackp = |
|00001870| 73 74 61 63 6b 62 3b 0d | 20 20 69 6e 74 20 2a 73 |stackb;.|  int *s|
|00001880| 74 61 63 6b 65 20 3d 20 | 73 74 61 63 6b 62 20 2b |tacke = |stackb +|
|00001890| 20 34 30 3b 0d 20 20 69 | 6e 74 20 2a 73 74 61 63 | 40;.  i|nt *stac|
|000018a0| 6b 74 3b 0d 0d 20 20 2f | 2a 20 43 6f 75 6e 74 73 |kt;..  /|* Counts|
|000018b0| 20 5c 28 27 73 20 61 73 | 20 74 68 65 79 20 61 72 | \('s as| they ar|
|000018c0| 65 20 65 6e 63 6f 75 6e | 74 65 72 65 64 2e 20 20 |e encoun|tered.  |
|000018d0| 52 65 6d 65 6d 62 65 72 | 65 64 20 66 6f 72 20 74 |Remember|ed for t|
|000018e0| 68 65 20 6d 61 74 63 68 | 69 6e 67 20 5c 29 2c 0d |he match|ing \),.|
|000018f0| 20 20 20 20 20 77 68 65 | 72 65 20 69 74 20 62 65 |     whe|re it be|
|00001900| 63 6f 6d 65 73 20 74 68 | 65 20 22 72 65 67 69 73 |comes th|e "regis|
|00001910| 74 65 72 20 6e 75 6d 62 | 65 72 22 20 74 6f 20 70 |ter numb|er" to p|
|00001920| 75 74 20 69 6e 20 74 68 | 65 20 73 74 6f 70 5f 6d |ut in th|e stop_m|
|00001930| 65 6d 6f 72 79 20 63 6f | 6d 6d 61 6e 64 20 2a 2f |emory co|mmand */|
|00001940| 0d 0d 20 20 69 6e 74 20 | 72 65 67 6e 75 6d 20 3d |..  int |regnum =|
|00001950| 20 31 3b 0d 0d 20 20 62 | 75 66 70 2d 3e 66 61 73 | 1;..  b|ufp->fas|
|00001960| 74 6d 61 70 5f 61 63 63 | 75 72 61 74 65 20 3d 20 |tmap_acc|urate = |
|00001970| 30 3b 0d 0d 23 69 66 6e | 64 65 66 20 65 6d 61 63 |0;..#ifn|def emac|
|00001980| 73 0d 23 69 66 6e 64 65 | 66 20 53 59 4e 54 41 58 |s.#ifnde|f SYNTAX|
|00001990| 5f 54 41 42 4c 45 0d 20 | 20 2f 2a 0d 20 20 20 2a |_TABLE. | /*.   *|
|000019a0| 20 49 6e 69 74 69 61 6c | 69 7a 65 20 74 68 65 20 | Initial|ize the |
|000019b0| 73 79 6e 74 61 78 20 74 | 61 62 6c 65 2e 0d 20 20 |syntax t|able..  |
|000019c0| 20 2a 2f 0d 20 20 20 69 | 6e 69 74 5f 73 79 6e 74 | */.   i|nit_synt|
|000019d0| 61 78 5f 6f 6e 63 65 28 | 29 3b 0d 23 65 6e 64 69 |ax_once(|);.#endi|
|000019e0| 66 0d 23 65 6e 64 69 66 | 0d 0d 20 20 69 66 20 28 |f.#endif|..  if (|
|000019f0| 62 75 66 70 2d 3e 61 6c | 6c 6f 63 61 74 65 64 20 |bufp->al|located |
|00001a00| 3d 3d 20 30 29 0d 20 20 | 20 20 7b 0d 20 20 20 20 |== 0).  |  {.    |
|00001a10| 20 20 62 75 66 70 2d 3e | 61 6c 6c 6f 63 61 74 65 |  bufp->|allocate|
|00001a20| 64 20 3d 20 32 38 3b 0d | 20 20 20 20 20 20 69 66 |d = 28;.|      if|
|00001a30| 20 28 62 75 66 70 2d 3e | 62 75 66 66 65 72 29 0d | (bufp->|buffer).|
|00001a40| 09 2f 2a 20 45 58 54 45 | 4e 44 5f 42 55 46 46 45 |./* EXTE|ND_BUFFE|
|00001a50| 52 20 6c 6f 73 65 73 20 | 77 68 65 6e 20 62 75 66 |R loses |when buf|
|00001a60| 70 2d 3e 61 6c 6c 6f 63 | 61 74 65 64 20 69 73 20 |p->alloc|ated is |
|00001a70| 30 20 2a 2f 0d 09 62 75 | 66 70 2d 3e 62 75 66 66 |0 */..bu|fp->buff|
|00001a80| 65 72 20 3d 20 28 63 68 | 61 72 20 2a 29 20 72 65 |er = (ch|ar *) re|
|00001a90| 61 6c 6c 6f 63 20 28 62 | 75 66 70 2d 3e 62 75 66 |alloc (b|ufp->buf|
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|00001ef0| 20 2a 70 20 3d 3d 20 27 | 7c 27 0d 09 09 20 20 3a | *p == '||'...  :|
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|000024a0| 09 20 20 63 20 3d 20 63 | 31 3b 0d 09 09 7d 0d 09 |.  c = c|1;...}..|
|000024b0| 20 20 20 20 20 20 65 6c | 73 65 0d 09 09 7b 0d 09 |      el|se...{..|
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|00002560| 09 20 20 2f 2a 20 4e 6f | 77 20 77 65 20 6b 6e 6f |.  /* No|w we kno|
|00002570| 77 20 77 68 65 74 68 65 | 72 20 30 20 6d 61 74 63 |w whethe|r 0 matc|
|00002580| 68 65 73 20 69 73 20 61 | 6c 6c 6f 77 65 64 2c 0d |hes is a|llowed,.|
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|00002630| 74 68 65 20 65 6e 64 2e | 20 20 2a 2f 0d 09 20 20 |the end.|  */..  |
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|00002650| 62 2c 20 6d 61 79 62 65 | 5f 66 69 6e 61 6c 69 7a |b, maybe|_finaliz|
|00002660| 65 5f 6a 75 6d 70 2c 20 | 6c 61 73 74 73 74 61 72 |e_jump, |laststar|
|00002670| 74 20 2d 20 33 29 3b 0d | 09 20 20 20 20 20 20 62 |t - 3);.|.      b|
|00002680| 20 2b 3d 20 33 3b 0d 09 | 20 20 20 20 7d 0d 09 20 | += 3;..|    }.. |
|00002690| 20 69 6e 73 65 72 74 5f | 6a 75 6d 70 20 28 6f 6e | insert_|jump (on|
|000026a0| 5f 66 61 69 6c 75 72 65 | 5f 6a 75 6d 70 2c 20 6c |_failure|_jump, l|
|000026b0| 61 73 74 73 74 61 72 74 | 2c 20 62 20 2b 20 33 2c |aststart|, b + 3,|
|000026c0| 20 62 29 3b 0d 09 20 20 | 70 65 6e 64 69 6e 67 5f | b);..  |pending_|
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|000026e0| 2b 3d 20 33 3b 0d 09 20 | 20 69 66 20 28 21 7a 65 |+= 3;.. | if (!ze|
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|00002730| 69 6e 73 65 72 74 20 62 | 65 66 6f 72 65 20 74 68 |insert b|efore th|
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|00002760| 6c 20 6f 6e 2d 66 61 69 | 6c 75 72 65 2d 6a 75 6d |l on-fai|lure-jum|
|00002770| 70 20 69 6e 73 74 72 75 | 63 74 69 6f 6e 20 2a 2f |p instru|ction */|
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|00002790| 75 6d 70 20 28 64 75 6d | 6d 79 5f 66 61 69 6c 75 |ump (dum|my_failu|
|000027a0| 72 65 5f 6a 75 6d 70 2c | 20 6c 61 73 74 73 74 61 |re_jump,| laststa|
|000027b0| 72 74 2c 20 6c 61 73 74 | 73 74 61 72 74 20 2b 20 |rt, last|start + |
|000027c0| 36 2c 20 62 29 3b 0d 09 | 20 20 20 20 20 20 62 20 |6, b);..|      b |
|000027d0| 2b 3d 20 33 3b 0d 09 20 | 20 20 20 7d 0d 09 20 20 |+= 3;.. |   }..  |
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|000027f0| 27 3a 0d 09 20 20 6c 61 | 73 74 73 74 61 72 74 20 |':..  la|ststart |
|00002800| 3d 20 62 3b 0d 09 20 20 | 50 41 54 50 55 53 48 20 |= b;..  |PATPUSH |
|00002810| 28 61 6e 79 63 68 61 72 | 29 3b 0d 09 20 20 62 72 |(anychar|);..  br|
|00002820| 65 61 6b 3b 0d 0d 09 63 | 61 73 65 20 27 5b 27 3a |eak;...c|ase '[':|
|00002830| 0d 09 20 20 77 68 69 6c | 65 20 28 62 20 2d 20 62 |..  whil|e (b - b|
|00002840| 75 66 70 2d 3e 62 75 66 | 66 65 72 0d 09 09 20 3e |ufp->buf|fer... >|
|00002850| 20 62 75 66 70 2d 3e 61 | 6c 6c 6f 63 61 74 65 64 | bufp->a|llocated|
|00002860| 20 2d 20 33 20 2d 20 28 | 31 20 3c 3c 20 42 59 54 | - 3 - (|1 << BYT|
|00002870| 45 57 49 44 54 48 29 20 | 2f 20 42 59 54 45 57 49 |EWIDTH) |/ BYTEWI|
|00002880| 44 54 48 29 0d 09 20 20 | 20 20 2f 2a 20 4e 6f 74 |DTH)..  |  /* Not|
|00002890| 65 20 74 68 61 74 20 45 | 58 54 45 4e 44 5f 42 55 |e that E|XTEND_BU|
|000028a0| 46 46 45 52 20 63 6c 6f | 62 62 65 72 73 20 63 20 |FFER clo|bbers c |
|000028b0| 2a 2f 0d 09 20 20 20 20 | 45 58 54 45 4e 44 5f 42 |*/..    |EXTEND_B|
|000028c0| 55 46 46 45 52 3b 0d 0d | 09 20 20 6c 61 73 74 73 |UFFER;..|.  lasts|
|000028d0| 74 61 72 74 20 3d 20 62 | 3b 0d 09 20 20 69 66 20 |tart = b|;..  if |
|000028e0| 28 2a 70 20 3d 3d 20 27 | 5e 27 29 0d 09 20 20 20 |(*p == '|^')..   |
|000028f0| 20 50 41 54 50 55 53 48 | 20 28 63 68 61 72 73 65 | PATPUSH| (charse|
|00002900| 74 5f 6e 6f 74 29 2c 20 | 70 2b 2b 3b 0d 09 20 20 |t_not), |p++;..  |
|00002910| 65 6c 73 65 0d 09 20 20 | 20 20 50 41 54 50 55 53 |else..  |  PATPUS|
|00002920| 48 20 28 63 68 61 72 73 | 65 74 29 3b 0d 09 20 20 |H (chars|et);..  |
|00002930| 70 31 20 3d 20 70 3b 0d | 0d 09 20 20 50 41 54 50 |p1 = p;.|..  PATP|
|00002940| 55 53 48 20 28 28 31 20 | 3c 3c 20 42 59 54 45 57 |USH ((1 |<< BYTEW|
|00002950| 49 44 54 48 29 20 2f 20 | 42 59 54 45 57 49 44 54 |IDTH) / |BYTEWIDT|
|00002960| 48 29 3b 0d 09 20 20 2f | 2a 20 43 6c 65 61 72 20 |H);..  /|* Clear |
|00002970| 74 68 65 20 77 68 6f 6c | 65 20 6d 61 70 20 2a 2f |the whol|e map */|
|00002980| 0d 09 20 20 62 7a 65 72 | 6f 20 28 62 2c 20 28 31 |..  bzer|o (b, (1|
|00002990| 20 3c 3c 20 42 59 54 45 | 57 49 44 54 48 29 20 2f | << BYTE|WIDTH) /|
|000029a0| 20 42 59 54 45 57 49 44 | 54 48 29 3b 0d 09 20 20 | BYTEWID|TH);..  |
|000029b0| 2f 2a 20 52 65 61 64 20 | 69 6e 20 63 68 61 72 61 |/* Read |in chara|
|000029c0| 63 74 65 72 73 20 61 6e | 64 20 72 61 6e 67 65 73 |cters an|d ranges|
|000029d0| 2c 20 73 65 74 74 69 6e | 67 20 6d 61 70 20 62 69 |, settin|g map bi|
|000029e0| 74 73 20 2a 2f 0d 09 20 | 20 77 68 69 6c 65 20 28 |ts */.. | while (|
|000029f0| 31 29 0d 09 20 20 20 20 | 7b 0d 09 20 20 20 20 20 |1)..    |{..     |
|00002a00| 20 50 41 54 46 45 54 43 | 48 20 28 63 29 3b 0d 09 | PATFETC|H (c);..|
|00002a10| 20 20 20 20 20 20 69 66 | 20 28 63 20 3d 3d 20 27 |      if| (c == '|
|00002a20| 5d 27 20 26 26 20 70 20 | 21 3d 20 70 31 20 2b 20 |]' && p |!= p1 + |
|00002a30| 31 29 20 62 72 65 61 6b | 3b 0d 09 20 20 20 20 20 |1) break|;..     |
|00002a40| 20 69 66 20 28 2a 70 20 | 3d 3d 20 27 2d 27 20 26 | if (*p |== '-' &|
|00002a50| 26 20 70 5b 31 5d 20 21 | 3d 20 27 5d 27 29 0d 09 |& p[1] !|= ']')..|
|00002a60| 09 7b 0d 09 09 20 20 50 | 41 54 46 45 54 43 48 20 |.{...  P|ATFETCH |
|00002a70| 28 63 31 29 3b 0d 09 09 | 20 20 50 41 54 46 45 54 |(c1);...|  PATFET|
|00002a80| 43 48 20 28 63 31 29 3b | 0d 09 09 20 20 77 68 69 |CH (c1);|...  whi|
|00002a90| 6c 65 20 28 63 20 3c 3d | 20 63 31 29 0d 09 09 20 |le (c <=| c1)... |
|00002aa0| 20 20 20 62 5b 63 20 2f | 20 42 59 54 45 57 49 44 |   b[c /| BYTEWID|
|00002ab0| 54 48 5d 20 7c 3d 20 31 | 20 3c 3c 20 28 63 20 25 |TH] |= 1| << (c %|
|00002ac0| 20 42 59 54 45 57 49 44 | 54 48 29 2c 20 63 2b 2b | BYTEWID|TH), c++|
|00002ad0| 3b 0d 09 09 7d 0d 09 20 | 20 20 20 20 20 65 6c 73 |;...}.. |     els|
|00002ae0| 65 0d 09 09 7b 0d 09 09 | 20 20 62 5b 63 20 2f 20 |e...{...|  b[c / |
|00002af0| 42 59 54 45 57 49 44 54 | 48 5d 20 7c 3d 20 31 20 |BYTEWIDT|H] |= 1 |
|00002b00| 3c 3c 20 28 63 20 25 20 | 42 59 54 45 57 49 44 54 |<< (c % |BYTEWIDT|
|00002b10| 48 29 3b 0d 09 09 7d 0d | 09 20 20 20 20 7d 0d 09 |H);...}.|.    }..|
|00002b20| 20 20 2f 2a 20 44 69 73 | 63 61 72 64 20 61 6e 79 |  /* Dis|card any|
|00002b30| 20 62 69 74 6d 61 70 20 | 62 79 74 65 73 20 74 68 | bitmap |bytes th|
|00002b40| 61 74 20 61 72 65 20 61 | 6c 6c 20 30 20 61 74 20 |at are a|ll 0 at |
|00002b50| 74 68 65 20 65 6e 64 20 | 6f 66 20 74 68 65 20 6d |the end |of the m|
|00002b60| 61 70 2e 0d 09 20 20 20 | 20 20 44 65 63 72 65 6d |ap...   |  Decrem|
|00002b70| 65 6e 74 20 74 68 65 20 | 6d 61 70 2d 6c 65 6e 67 |ent the |map-leng|
|00002b80| 74 68 20 62 79 74 65 20 | 74 6f 6f 2e 20 2a 2f 0d |th byte |too. */.|
|00002b90| 09 20 20 77 68 69 6c 65 | 20 28 28 69 6e 74 29 20 |.  while| ((int) |
|00002ba0| 62 5b 2d 31 5d 20 3e 20 | 30 20 26 26 20 62 5b 62 |b[-1] > |0 && b[b|
|00002bb0| 5b 2d 31 5d 20 2d 20 31 | 5d 20 3d 3d 20 30 29 0d |[-1] - 1|] == 0).|
|00002bc0| 09 20 20 20 20 62 5b 2d | 31 5d 2d 2d 3b 0d 09 20 |.    b[-|1]--;.. |
|00002bd0| 20 62 20 2b 3d 20 62 5b | 2d 31 5d 3b 0d 09 20 20 | b += b[|-1];..  |
|00002be0| 62 72 65 61 6b 3b 0d 0d | 09 63 61 73 65 20 27 28 |break;..|.case '(|
|00002bf0| 27 3a 0d 09 20 20 69 66 | 20 28 21 20 28 6f 62 73 |':..  if| (! (obs|
|00002c00| 63 75 72 65 5f 73 79 6e | 74 61 78 20 26 20 52 45 |cure_syn|tax & RE|
|00002c10| 5f 4e 4f 5f 42 4b 5f 50 | 41 52 45 4e 53 29 29 0d |_NO_BK_P|ARENS)).|
|00002c20| 09 20 20 20 20 67 6f 74 | 6f 20 6e 6f 72 6d 61 6c |.    got|o normal|
|00002c30| 5f 63 68 61 72 3b 0d 09 | 20 20 65 6c 73 65 0d 09 |_char;..|  else..|
|00002c40| 20 20 20 20 67 6f 74 6f | 20 68 61 6e 64 6c 65 5f |    goto| handle_|
|00002c50| 6f 70 65 6e 3b 0d 0d 09 | 63 61 73 65 20 27 29 27 |open;...|case ')'|
|00002c60| 3a 0d 09 20 20 69 66 20 | 28 21 20 28 6f 62 73 63 |:..  if |(! (obsc|
|00002c70| 75 72 65 5f 73 79 6e 74 | 61 78 20 26 20 52 45 5f |ure_synt|ax & RE_|
|00002c80| 4e 4f 5f 42 4b 5f 50 41 | 52 45 4e 53 29 29 0d 09 |NO_BK_PA|RENS))..|
|00002c90| 20 20 20 20 67 6f 74 6f | 20 6e 6f 72 6d 61 6c 5f |    goto| normal_|
|00002ca0| 63 68 61 72 3b 0d 09 20 | 20 65 6c 73 65 0d 09 20 |char;.. | else.. |
|00002cb0| 20 20 20 67 6f 74 6f 20 | 68 61 6e 64 6c 65 5f 63 |   goto |handle_c|
|00002cc0| 6c 6f 73 65 3b 0d 0d 09 | 63 61 73 65 20 27 5c 72 |lose;...|case '\r|
|00002cd0| 27 3a 20 20 2f 2a 20 6e | 65 77 6c 69 6e 65 20 63 |':  /* n|ewline c|
|00002ce0| 68 61 6e 67 65 64 20 2a | 2f 0d 09 20 20 69 66 20 |hanged *|/..  if |
|00002cf0| 28 21 20 28 6f 62 73 63 | 75 72 65 5f 73 79 6e 74 |(! (obsc|ure_synt|
|00002d00| 61 78 20 26 20 52 45 5f | 4e 45 57 4c 49 4e 45 5f |ax & RE_|NEWLINE_|
|00002d10| 4f 52 29 29 0d 09 20 20 | 20 20 67 6f 74 6f 20 6e |OR))..  |  goto n|
|00002d20| 6f 72 6d 61 6c 5f 63 68 | 61 72 3b 0d 09 20 20 65 |ormal_ch|ar;..  e|
|00002d30| 6c 73 65 0d 09 20 20 20 | 20 67 6f 74 6f 20 68 61 |lse..   | goto ha|
|00002d40| 6e 64 6c 65 5f 62 61 72 | 3b 0d 0d 09 63 61 73 65 |ndle_bar|;...case|
|00002d50| 20 27 7c 27 3a 0d 09 20 | 20 69 66 20 28 21 20 28 | '|':.. | if (! (|
|00002d60| 6f 62 73 63 75 72 65 5f | 73 79 6e 74 61 78 20 26 |obscure_|syntax &|
|00002d70| 20 52 45 5f 4e 4f 5f 42 | 4b 5f 56 42 41 52 29 29 | RE_NO_B|K_VBAR))|
|00002d80| 0d 09 20 20 20 20 67 6f | 74 6f 20 6e 6f 72 6d 61 |..    go|to norma|
|00002d90| 6c 5f 63 68 61 72 3b 0d | 09 20 20 65 6c 73 65 0d |l_char;.|.  else.|
|00002da0| 09 20 20 20 20 67 6f 74 | 6f 20 68 61 6e 64 6c 65 |.    got|o handle|
|00002db0| 5f 62 61 72 3b 0d 0d 20 | 20 20 20 20 20 20 20 63 |_bar;.. |       c|
|00002dc0| 61 73 65 20 27 5c 5c 27 | 3a 0d 09 20 20 69 66 20 |ase '\\'|:..  if |
|00002dd0| 28 70 20 3d 3d 20 70 65 | 6e 64 29 20 67 6f 74 6f |(p == pe|nd) goto|
|00002de0| 20 69 6e 76 61 6c 69 64 | 5f 70 61 74 74 65 72 6e | invalid|_pattern|
|00002df0| 3b 0d 09 20 20 50 41 54 | 46 45 54 43 48 5f 52 41 |;..  PAT|FETCH_RA|
|00002e00| 57 20 28 63 29 3b 0d 09 | 20 20 73 77 69 74 63 68 |W (c);..|  switch|
|00002e10| 20 28 63 29 0d 09 20 20 | 20 20 7b 0d 09 20 20 20 | (c)..  |  {..   |
|00002e20| 20 63 61 73 65 20 27 28 | 27 3a 0d 09 20 20 20 20 | case '(|':..    |
|00002e30| 20 20 69 66 20 28 6f 62 | 73 63 75 72 65 5f 73 79 |  if (ob|scure_sy|
|00002e40| 6e 74 61 78 20 26 20 52 | 45 5f 4e 4f 5f 42 4b 5f |ntax & R|E_NO_BK_|
|00002e50| 50 41 52 45 4e 53 29 0d | 09 09 67 6f 74 6f 20 6e |PARENS).|..goto n|
|00002e60| 6f 72 6d 61 6c 5f 62 61 | 63 6b 73 6c 3b 0d 09 20 |ormal_ba|cksl;.. |
|00002e70| 20 20 20 68 61 6e 64 6c | 65 5f 6f 70 65 6e 3a 0d |   handl|e_open:.|
|00002e80| 09 20 20 20 20 20 20 69 | 66 20 28 73 74 61 63 6b |.      i|f (stack|
|00002e90| 70 20 3d 3d 20 73 74 61 | 63 6b 65 29 20 67 6f 74 |p == sta|cke) got|
|00002ea0| 6f 20 6e 65 73 74 69 6e | 67 5f 74 6f 6f 5f 64 65 |o nestin|g_too_de|
|00002eb0| 65 70 3b 0d 09 20 20 20 | 20 20 20 69 66 20 28 72 |ep;..   |   if (r|
|00002ec0| 65 67 6e 75 6d 20 3c 20 | 52 45 5f 4e 52 45 47 53 |egnum < |RE_NREGS|
|00002ed0| 29 0d 09 20 20 20 20 20 | 20 20 20 7b 0d 09 09 20 |)..     |   {... |
|00002ee0| 20 50 41 54 50 55 53 48 | 20 28 73 74 61 72 74 5f | PATPUSH| (start_|
|00002ef0| 6d 65 6d 6f 72 79 29 3b | 0d 09 09 20 20 50 41 54 |memory);|...  PAT|
|00002f00| 50 55 53 48 20 28 72 65 | 67 6e 75 6d 29 3b 0d 09 |PUSH (re|gnum);..|
|00002f10| 20 20 20 20 20 20 20 20 | 7d 0d 09 20 20 20 20 20 |        |}..     |
|00002f20| 20 2a 73 74 61 63 6b 70 | 2b 2b 20 3d 20 62 20 2d | *stackp|++ = b -|
|00002f30| 20 62 75 66 70 2d 3e 62 | 75 66 66 65 72 3b 0d 09 | bufp->b|uffer;..|
|00002f40| 20 20 20 20 20 20 2a 73 | 74 61 63 6b 70 2b 2b 20 |      *s|tackp++ |
|00002f50| 3d 20 66 69 78 75 70 5f | 6a 75 6d 70 20 3f 20 66 |= fixup_|jump ? f|
|00002f60| 69 78 75 70 5f 6a 75 6d | 70 20 2d 20 62 75 66 70 |ixup_jum|p - bufp|
|00002f70| 2d 3e 62 75 66 66 65 72 | 20 2b 20 31 20 3a 20 30 |->buffer| + 1 : 0|
|00002f80| 3b 0d 09 20 20 20 20 20 | 20 2a 73 74 61 63 6b 70 |;..     | *stackp|
|00002f90| 2b 2b 20 3d 20 72 65 67 | 6e 75 6d 2b 2b 3b 0d 09 |++ = reg|num++;..|
|00002fa0| 20 20 20 20 20 20 2a 73 | 74 61 63 6b 70 2b 2b 20 |      *s|tackp++ |
|00002fb0| 3d 20 62 65 67 61 6c 74 | 20 2d 20 62 75 66 70 2d |= begalt| - bufp-|
|00002fc0| 3e 62 75 66 66 65 72 3b | 0d 09 20 20 20 20 20 20 |>buffer;|..      |
|00002fd0| 66 69 78 75 70 5f 6a 75 | 6d 70 20 3d 20 30 3b 0d |fixup_ju|mp = 0;.|
|00002fe0| 09 20 20 20 20 20 20 6c | 61 73 74 73 74 61 72 74 |.      l|aststart|
|00002ff0| 20 3d 20 30 3b 0d 09 20 | 20 20 20 20 20 62 65 67 | = 0;.. |     beg|
|00003000| 61 6c 74 20 3d 20 62 3b | 0d 09 20 20 20 20 20 20 |alt = b;|..      |
|00003010| 62 72 65 61 6b 3b 0d 0d | 09 20 20 20 20 63 61 73 |break;..|.    cas|
|00003020| 65 20 27 29 27 3a 0d 09 | 20 20 20 20 20 20 69 66 |e ')':..|      if|
|00003030| 20 28 6f 62 73 63 75 72 | 65 5f 73 79 6e 74 61 78 | (obscur|e_syntax|
|00003040| 20 26 20 52 45 5f 4e 4f | 5f 42 4b 5f 50 41 52 45 | & RE_NO|_BK_PARE|
|00003050| 4e 53 29 0d 09 09 67 6f | 74 6f 20 6e 6f 72 6d 61 |NS)...go|to norma|
|00003060| 6c 5f 62 61 63 6b 73 6c | 3b 0d 09 20 20 20 20 68 |l_backsl|;..    h|
|00003070| 61 6e 64 6c 65 5f 63 6c | 6f 73 65 3a 0d 09 20 20 |andle_cl|ose:..  |
|00003080| 20 20 20 20 69 66 20 28 | 73 74 61 63 6b 70 20 3d |    if (|stackp =|
|00003090| 3d 20 73 74 61 63 6b 62 | 29 20 67 6f 74 6f 20 75 |= stackb|) goto u|
|000030a0| 6e 6d 61 74 63 68 65 64 | 5f 63 6c 6f 73 65 3b 0d |nmatched|_close;.|
|000030b0| 09 20 20 20 20 20 20 62 | 65 67 61 6c 74 20 3d 20 |.      b|egalt = |
|000030c0| 2a 2d 2d 73 74 61 63 6b | 70 20 2b 20 62 75 66 70 |*--stack|p + bufp|
|000030d0| 2d 3e 62 75 66 66 65 72 | 3b 0d 09 20 20 20 20 20 |->buffer|;..     |
|000030e0| 20 69 66 20 28 66 69 78 | 75 70 5f 6a 75 6d 70 29 | if (fix|up_jump)|
|000030f0| 0d 09 09 73 74 6f 72 65 | 5f 6a 75 6d 70 20 28 66 |...store|_jump (f|
|00003100| 69 78 75 70 5f 6a 75 6d | 70 2c 20 6a 75 6d 70 2c |ixup_jum|p, jump,|
|00003110| 20 62 29 3b 0d 09 20 20 | 20 20 20 20 69 66 20 28 | b);..  |    if (|
|00003120| 73 74 61 63 6b 70 5b 2d | 31 5d 20 3c 20 52 45 5f |stackp[-|1] < RE_|
|00003130| 4e 52 45 47 53 29 0d 09 | 09 7b 0d 09 09 20 20 50 |NREGS)..|.{...  P|
|00003140| 41 54 50 55 53 48 20 28 | 73 74 6f 70 5f 6d 65 6d |ATPUSH (|stop_mem|
|00003150| 6f 72 79 29 3b 0d 09 09 | 20 20 50 41 54 50 55 53 |ory);...|  PATPUS|
|00003160| 48 20 28 73 74 61 63 6b | 70 5b 2d 31 5d 29 3b 0d |H (stack|p[-1]);.|
|00003170| 09 09 7d 0d 09 20 20 20 | 20 20 20 73 74 61 63 6b |..}..   |   stack|
|00003180| 70 20 2d 3d 20 32 3b 0d | 09 20 20 20 20 20 20 66 |p -= 2;.|.      f|
|00003190| 69 78 75 70 5f 6a 75 6d | 70 20 3d 20 30 3b 0d 09 |ixup_jum|p = 0;..|
|000031a0| 20 20 20 20 20 20 69 66 | 20 28 2a 73 74 61 63 6b |      if| (*stack|
|000031b0| 70 29 0d 09 09 66 69 78 | 75 70 5f 6a 75 6d 70 20 |p)...fix|up_jump |
|000031c0| 3d 20 2a 73 74 61 63 6b | 70 20 2b 20 62 75 66 70 |= *stack|p + bufp|
|000031d0| 2d 3e 62 75 66 66 65 72 | 20 2d 20 31 3b 0d 09 20 |->buffer| - 1;.. |
|000031e0| 20 20 20 20 20 6c 61 73 | 74 73 74 61 72 74 20 3d |     las|tstart =|
|000031f0| 20 2a 2d 2d 73 74 61 63 | 6b 70 20 2b 20 62 75 66 | *--stac|kp + buf|
|00003200| 70 2d 3e 62 75 66 66 65 | 72 3b 0d 09 20 20 20 20 |p->buffe|r;..    |
|00003210| 20 20 62 72 65 61 6b 3b | 0d 0d 09 20 20 20 20 63 |  break;|...    c|
|00003220| 61 73 65 20 27 7c 27 3a | 0d 09 20 20 20 20 20 20 |ase '|':|..      |
|00003230| 69 66 20 28 6f 62 73 63 | 75 72 65 5f 73 79 6e 74 |if (obsc|ure_synt|
|00003240| 61 78 20 26 20 52 45 5f | 4e 4f 5f 42 4b 5f 56 42 |ax & RE_|NO_BK_VB|
|00003250| 41 52 29 0d 09 09 67 6f | 74 6f 20 6e 6f 72 6d 61 |AR)...go|to norma|
|00003260| 6c 5f 62 61 63 6b 73 6c | 3b 0d 09 20 20 20 20 68 |l_backsl|;..    h|
|00003270| 61 6e 64 6c 65 5f 62 61 | 72 3a 0d 09 20 20 20 20 |andle_ba|r:..    |
|00003280| 20 20 69 6e 73 65 72 74 | 5f 6a 75 6d 70 20 28 6f |  insert|_jump (o|
|00003290| 6e 5f 66 61 69 6c 75 72 | 65 5f 6a 75 6d 70 2c 20 |n_failur|e_jump, |
|000032a0| 62 65 67 61 6c 74 2c 20 | 62 20 2b 20 36 2c 20 62 |begalt, |b + 6, b|
|000032b0| 29 3b 0d 09 20 20 20 20 | 20 20 70 65 6e 64 69 6e |);..    |  pendin|
|000032c0| 67 5f 65 78 61 63 74 20 | 3d 20 30 3b 0d 09 20 20 |g_exact |= 0;..  |
|000032d0| 20 20 20 20 62 20 2b 3d | 20 33 3b 0d 09 20 20 20 |    b +=| 3;..   |
|000032e0| 20 20 20 69 66 20 28 66 | 69 78 75 70 5f 6a 75 6d |   if (f|ixup_jum|
|000032f0| 70 29 0d 09 09 73 74 6f | 72 65 5f 6a 75 6d 70 20 |p)...sto|re_jump |
|00003300| 28 66 69 78 75 70 5f 6a | 75 6d 70 2c 20 6a 75 6d |(fixup_j|ump, jum|
|00003310| 70 2c 20 62 29 3b 0d 09 | 20 20 20 20 20 20 66 69 |p, b);..|      fi|
|00003320| 78 75 70 5f 6a 75 6d 70 | 20 3d 20 62 3b 0d 09 20 |xup_jump| = b;.. |
|00003330| 20 20 20 20 20 62 20 2b | 3d 20 33 3b 0d 09 20 20 |     b +|= 3;..  |
|00003340| 20 20 20 20 6c 61 73 74 | 73 74 61 72 74 20 3d 20 |    last|start = |
|00003350| 30 3b 0d 09 20 20 20 20 | 20 20 62 65 67 61 6c 74 |0;..    |  begalt|
|00003360| 20 3d 20 62 3b 0d 09 20 | 20 20 20 20 20 62 72 65 | = b;.. |     bre|
|00003370| 61 6b 3b 0d 0d 23 69 66 | 64 65 66 20 65 6d 61 63 |ak;..#if|def emac|
|00003380| 73 0d 09 20 20 20 20 63 | 61 73 65 20 27 3d 27 3a |s..    c|ase '=':|
|00003390| 0d 09 20 20 20 20 20 20 | 50 41 54 50 55 53 48 20 |..      |PATPUSH |
|000033a0| 28 61 74 5f 64 6f 74 29 | 3b 0d 09 20 20 20 20 20 |(at_dot)|;..     |
|000033b0| 20 62 72 65 61 6b 3b 0d | 0d 09 20 20 20 20 63 61 | break;.|..    ca|
|000033c0| 73 65 20 27 73 27 3a 09 | 0d 09 20 20 20 20 20 20 |se 's':.|..      |
|000033d0| 6c 61 73 74 73 74 61 72 | 74 20 3d 20 62 3b 0d 09 |laststar|t = b;..|
|000033e0| 20 20 20 20 20 20 50 41 | 54 50 55 53 48 20 28 73 |      PA|TPUSH (s|
|000033f0| 79 6e 74 61 78 73 70 65 | 63 29 3b 0d 09 20 20 20 |yntaxspe|c);..   |
|00003400| 20 20 20 50 41 54 46 45 | 54 43 48 20 28 63 29 3b |   PATFE|TCH (c);|
|00003410| 0d 09 20 20 20 20 20 20 | 50 41 54 50 55 53 48 20 |..      |PATPUSH |
|00003420| 28 73 79 6e 74 61 78 5f | 73 70 65 63 5f 63 6f 64 |(syntax_|spec_cod|
|00003430| 65 5b 63 5d 29 3b 0d 09 | 20 20 20 20 20 20 62 72 |e[c]);..|      br|
|00003440| 65 61 6b 3b 0d 0d 09 20 | 20 20 20 63 61 73 65 20 |eak;... |   case |
|00003450| 27 53 27 3a 0d 09 20 20 | 20 20 20 20 6c 61 73 74 |'S':..  |    last|
|00003460| 73 74 61 72 74 20 3d 20 | 62 3b 0d 09 20 20 20 20 |start = |b;..    |
|00003470| 20 20 50 41 54 50 55 53 | 48 20 28 6e 6f 74 73 79 |  PATPUS|H (notsy|
|00003480| 6e 74 61 78 73 70 65 63 | 29 3b 0d 09 20 20 20 20 |ntaxspec|);..    |
|00003490| 20 20 50 41 54 46 45 54 | 43 48 20 28 63 29 3b 0d |  PATFET|CH (c);.|
|000034a0| 09 20 20 20 20 20 20 50 | 41 54 50 55 53 48 20 28 |.      P|ATPUSH (|
|000034b0| 73 79 6e 74 61 78 5f 73 | 70 65 63 5f 63 6f 64 65 |syntax_s|pec_code|
|000034c0| 5b 63 5d 29 3b 0d 09 20 | 20 20 20 20 20 62 72 65 |[c]);.. |     bre|
|000034d0| 61 6b 3b 0d 23 65 6e 64 | 69 66 20 2f 2a 20 65 6d |ak;.#end|if /* em|
|000034e0| 61 63 73 20 2a 2f 0d 0d | 09 20 20 20 20 63 61 73 |acs */..|.    cas|
|000034f0| 65 20 27 77 27 3a 0d 09 | 20 20 20 20 20 20 6c 61 |e 'w':..|      la|
|00003500| 73 74 73 74 61 72 74 20 | 3d 20 62 3b 0d 09 20 20 |ststart |= b;..  |
|00003510| 20 20 20 20 50 41 54 50 | 55 53 48 20 28 77 6f 72 |    PATP|USH (wor|
|00003520| 64 63 68 61 72 29 3b 0d | 09 20 20 20 20 20 20 62 |dchar);.|.      b|
|00003530| 72 65 61 6b 3b 0d 0d 09 | 20 20 20 20 63 61 73 65 |reak;...|    case|
|00003540| 20 27 57 27 3a 0d 09 20 | 20 20 20 20 20 6c 61 73 | 'W':.. |     las|
|00003550| 74 73 74 61 72 74 20 3d | 20 62 3b 0d 09 20 20 20 |tstart =| b;..   |
|00003560| 20 20 20 50 41 54 50 55 | 53 48 20 28 6e 6f 74 77 |   PATPU|SH (notw|
|00003570| 6f 72 64 63 68 61 72 29 | 3b 0d 09 20 20 20 20 20 |ordchar)|;..     |
|00003580| 20 62 72 65 61 6b 3b 0d | 0d 09 20 20 20 20 63 61 | break;.|..    ca|
|00003590| 73 65 20 27 3c 27 3a 0d | 09 20 20 20 20 20 20 50 |se '<':.|.      P|
|000035a0| 41 54 50 55 53 48 20 28 | 77 6f 72 64 62 65 67 29 |ATPUSH (|wordbeg)|
|000035b0| 3b 0d 09 20 20 20 20 20 | 20 62 72 65 61 6b 3b 0d |;..     | break;.|
|000035c0| 0d 09 20 20 20 20 63 61 | 73 65 20 27 3e 27 3a 0d |..    ca|se '>':.|
|000035d0| 09 20 20 20 20 20 20 50 | 41 54 50 55 53 48 20 28 |.      P|ATPUSH (|
|000035e0| 77 6f 72 64 65 6e 64 29 | 3b 0d 09 20 20 20 20 20 |wordend)|;..     |
|000035f0| 20 62 72 65 61 6b 3b 0d | 0d 09 20 20 20 20 63 61 | break;.|..    ca|
|00003600| 73 65 20 27 62 27 3a 0d | 09 20 20 20 20 20 20 50 |se 'b':.|.      P|
|00003610| 41 54 50 55 53 48 20 28 | 77 6f 72 64 62 6f 75 6e |ATPUSH (|wordboun|
|00003620| 64 29 3b 0d 09 20 20 20 | 20 20 20 62 72 65 61 6b |d);..   |   break|
|00003630| 3b 0d 0d 09 20 20 20 20 | 63 61 73 65 20 27 42 27 |;...    |case 'B'|
|00003640| 3a 0d 09 20 20 20 20 20 | 20 50 41 54 50 55 53 48 |:..     | PATPUSH|
|00003650| 20 28 6e 6f 74 77 6f 72 | 64 62 6f 75 6e 64 29 3b | (notwor|dbound);|
|00003660| 0d 09 20 20 20 20 20 20 | 62 72 65 61 6b 3b 0d 0d |..      |break;..|
|00003670| 09 20 20 20 20 63 61 73 | 65 20 27 60 27 3a 0d 09 |.    cas|e '`':..|
|00003680| 20 20 20 20 20 20 50 41 | 54 50 55 53 48 20 28 62 |      PA|TPUSH (b|
|00003690| 65 67 62 75 66 29 3b 0d | 09 20 20 20 20 20 20 62 |egbuf);.|.      b|
|000036a0| 72 65 61 6b 3b 0d 0d 09 | 20 20 20 20 63 61 73 65 |reak;...|    case|
|000036b0| 20 27 5c 27 27 3a 0d 09 | 20 20 20 20 20 20 50 41 | '\'':..|      PA|
|000036c0| 54 50 55 53 48 20 28 65 | 6e 64 62 75 66 29 3b 0d |TPUSH (e|ndbuf);.|
|000036d0| 09 20 20 20 20 20 20 62 | 72 65 61 6b 3b 0d 0d 09 |.      b|reak;...|
|000036e0| 20 20 20 20 63 61 73 65 | 20 27 31 27 3a 0d 09 20 |    case| '1':.. |
|000036f0| 20 20 20 63 61 73 65 20 | 27 32 27 3a 0d 09 20 20 |   case |'2':..  |
|00003700| 20 20 63 61 73 65 20 27 | 33 27 3a 0d 09 20 20 20 |  case '|3':..   |
|00003710| 20 63 61 73 65 20 27 34 | 27 3a 0d 09 20 20 20 20 | case '4|':..    |
|00003720| 63 61 73 65 20 27 35 27 | 3a 0d 09 20 20 20 20 63 |case '5'|:..    c|
|00003730| 61 73 65 20 27 36 27 3a | 0d 09 20 20 20 20 63 61 |ase '6':|..    ca|
|00003740| 73 65 20 27 37 27 3a 0d | 09 20 20 20 20 63 61 73 |se '7':.|.    cas|
|00003750| 65 20 27 38 27 3a 0d 09 | 20 20 20 20 63 61 73 65 |e '8':..|    case|
|00003760| 20 27 39 27 3a 0d 09 20 | 20 20 20 20 20 63 31 20 | '9':.. |     c1 |
|00003770| 3d 20 63 20 2d 20 27 30 | 27 3b 0d 09 20 20 20 20 |= c - '0|';..    |
|00003780| 20 20 69 66 20 28 63 31 | 20 3e 3d 20 72 65 67 6e |  if (c1| >= regn|
|00003790| 75 6d 29 0d 09 09 67 6f | 74 6f 20 6e 6f 72 6d 61 |um)...go|to norma|
|000037a0| 6c 5f 63 68 61 72 3b 0d | 09 20 20 20 20 20 20 66 |l_char;.|.      f|
|000037b0| 6f 72 20 28 73 74 61 63 | 6b 74 20 3d 20 73 74 61 |or (stac|kt = sta|
|000037c0| 63 6b 70 20 2d 20 32 3b | 20 20 73 74 61 63 6b 74 |ckp - 2;|  stackt|
|000037d0| 20 3e 20 73 74 61 63 6b | 62 3b 20 20 73 74 61 63 | > stack|b;  stac|
|000037e0| 6b 74 20 2d 3d 20 34 29 | 0d 20 09 09 69 66 20 28 |kt -= 4)|. ..if (|
|000037f0| 2a 73 74 61 63 6b 74 20 | 3d 3d 20 63 31 29 0d 09 |*stackt |== c1)..|
|00003800| 09 20 20 67 6f 74 6f 20 | 6e 6f 72 6d 61 6c 5f 63 |.  goto |normal_c|
|00003810| 68 61 72 3b 0d 09 20 20 | 20 20 20 20 6c 61 73 74 |har;..  |    last|
|00003820| 73 74 61 72 74 20 3d 20 | 62 3b 0d 09 20 20 20 20 |start = |b;..    |
|00003830| 20 20 50 41 54 50 55 53 | 48 20 28 64 75 70 6c 69 |  PATPUS|H (dupli|
|00003840| 63 61 74 65 29 3b 0d 09 | 20 20 20 20 20 20 50 41 |cate);..|      PA|
|00003850| 54 50 55 53 48 20 28 63 | 31 29 3b 0d 09 20 20 20 |TPUSH (c|1);..   |
|00003860| 20 20 20 62 72 65 61 6b | 3b 0d 0d 09 20 20 20 20 |   break|;...    |
|00003870| 63 61 73 65 20 27 2b 27 | 3a 0d 09 20 20 20 20 63 |case '+'|:..    c|
|00003880| 61 73 65 20 27 3f 27 3a | 0d 09 20 20 20 20 20 20 |ase '?':|..      |
|00003890| 69 66 20 28 6f 62 73 63 | 75 72 65 5f 73 79 6e 74 |if (obsc|ure_synt|
|000038a0| 61 78 20 26 20 52 45 5f | 42 4b 5f 50 4c 55 53 5f |ax & RE_|BK_PLUS_|
|000038b0| 51 4d 29 0d 09 09 67 6f | 74 6f 20 68 61 6e 64 6c |QM)...go|to handl|
|000038c0| 65 5f 70 6c 75 73 3b 0d | 0d 09 20 20 20 20 64 65 |e_plus;.|..    de|
|000038d0| 66 61 75 6c 74 3a 0d 09 | 20 20 20 20 6e 6f 72 6d |fault:..|    norm|
|000038e0| 61 6c 5f 62 61 63 6b 73 | 6c 3a 0d 09 20 20 20 20 |al_backs|l:..    |
|000038f0| 20 20 2f 2a 20 59 6f 75 | 20 6d 69 67 68 74 20 74 |  /* You| might t|
|00003900| 68 69 6e 6b 20 69 74 20 | 77 6f 75 6c 64 20 62 65 |hink it |would be|
|00003910| 20 75 73 65 66 75 6c 20 | 66 6f 72 20 5c 20 74 6f | useful |for \ to|
|00003920| 20 6d 65 61 6e 0d 09 09 | 20 6e 6f 74 20 74 6f 20 | mean...| not to |
|00003930| 74 72 61 6e 73 6c 61 74 | 65 3b 20 62 75 74 20 69 |translat|e; but i|
|00003940| 66 20 77 65 20 64 6f 6e | 27 74 20 74 72 61 6e 73 |f we don|'t trans|
|00003950| 6c 61 74 65 20 69 74 0d | 09 09 20 69 74 20 77 69 |late it.|.. it wi|
|00003960| 6c 6c 20 6e 65 76 65 72 | 20 6d 61 74 63 68 20 61 |ll never| match a|
|00003970| 6e 79 74 68 69 6e 67 2e | 20 20 2a 2f 0d 09 20 20 |nything.|  */..  |
|00003980| 20 20 20 20 69 66 20 28 | 74 72 61 6e 73 6c 61 74 |    if (|translat|
|00003990| 65 29 20 63 20 3d 20 74 | 72 61 6e 73 6c 61 74 65 |e) c = t|ranslate|
|000039a0| 5b 63 5d 3b 0d 09 20 20 | 20 20 20 20 67 6f 74 6f |[c];..  |    goto|
|000039b0| 20 6e 6f 72 6d 61 6c 5f | 63 68 61 72 3b 0d 09 20 | normal_|char;.. |
|000039c0| 20 20 20 7d 0d 09 20 20 | 62 72 65 61 6b 3b 0d 0d |   }..  |break;..|
|000039d0| 09 64 65 66 61 75 6c 74 | 3a 0d 09 6e 6f 72 6d 61 |.default|:..norma|
|000039e0| 6c 5f 63 68 61 72 3a 0d | 09 20 20 69 66 20 28 21 |l_char:.|.  if (!|
|000039f0| 70 65 6e 64 69 6e 67 5f | 65 78 61 63 74 20 7c 7c |pending_|exact |||
|00003a00| 20 70 65 6e 64 69 6e 67 | 5f 65 78 61 63 74 20 2b | pending|_exact +|
|00003a10| 20 2a 70 65 6e 64 69 6e | 67 5f 65 78 61 63 74 20 | *pendin|g_exact |
|00003a20| 2b 20 31 20 21 3d 20 62 | 0d 09 20 20 20 20 20 20 |+ 1 != b|..      |
|00003a30| 7c 7c 20 2a 70 65 6e 64 | 69 6e 67 5f 65 78 61 63 ||| *pend|ing_exac|
|00003a40| 74 20 3d 3d 20 30 31 37 | 37 20 7c 7c 20 2a 70 20 |t == 017|7 || *p |
|00003a50| 3d 3d 20 27 2a 27 20 7c | 7c 20 2a 70 20 3d 3d 20 |== '*' ||| *p == |
|00003a60| 27 5e 27 0d 09 20 20 20 | 20 20 20 7c 7c 20 28 28 |'^'..   |   || ((|
|00003a70| 6f 62 73 63 75 72 65 5f | 73 79 6e 74 61 78 20 26 |obscure_|syntax &|
|00003a80| 20 52 45 5f 42 4b 5f 50 | 4c 55 53 5f 51 4d 29 0d | RE_BK_P|LUS_QM).|
|00003a90| 09 09 20 20 3f 20 2a 70 | 20 3d 3d 20 27 5c 5c 27 |..  ? *p| == '\\'|
|00003aa0| 20 26 26 20 28 70 5b 31 | 5d 20 3d 3d 20 27 2b 27 | && (p[1|] == '+'|
|00003ab0| 20 7c 7c 20 70 5b 31 5d | 20 3d 3d 20 27 3f 27 29 | || p[1]| == '?')|
|00003ac0| 0d 09 09 20 20 3a 20 28 | 2a 70 20 3d 3d 20 27 2b |...  : (|*p == '+|
|00003ad0| 27 20 7c 7c 20 2a 70 20 | 3d 3d 20 27 3f 27 29 29 |' || *p |== '?'))|
|00003ae0| 29 0d 09 20 20 20 20 7b | 0d 09 20 20 20 20 20 20 |)..    {|..      |
|00003af0| 6c 61 73 74 73 74 61 72 | 74 20 3d 20 62 3b 0d 09 |laststar|t = b;..|
|00003b00| 20 20 20 20 20 20 50 41 | 54 50 55 53 48 20 28 65 |      PA|TPUSH (e|
|00003b10| 78 61 63 74 6e 29 3b 0d | 09 20 20 20 20 20 20 70 |xactn);.|.      p|
|00003b20| 65 6e 64 69 6e 67 5f 65 | 78 61 63 74 20 3d 20 62 |ending_e|xact = b|
|00003b30| 3b 0d 09 20 20 20 20 20 | 20 50 41 54 50 55 53 48 |;..     | PATPUSH|
|00003b40| 20 28 30 29 3b 0d 09 20 | 20 20 20 7d 0d 09 20 20 | (0);.. |   }..  |
|00003b50| 50 41 54 50 55 53 48 20 | 28 63 29 3b 0d 09 20 20 |PATPUSH |(c);..  |
|00003b60| 28 2a 70 65 6e 64 69 6e | 67 5f 65 78 61 63 74 29 |(*pendin|g_exact)|
|00003b70| 2b 2b 3b 0d 09 7d 0d 20 | 20 20 20 7d 0d 0d 20 20 |++;..}. |   }..  |
|00003b80| 69 66 20 28 66 69 78 75 | 70 5f 6a 75 6d 70 29 0d |if (fixu|p_jump).|
|00003b90| 20 20 20 20 73 74 6f 72 | 65 5f 6a 75 6d 70 20 28 |    stor|e_jump (|
|00003ba0| 66 69 78 75 70 5f 6a 75 | 6d 70 2c 20 6a 75 6d 70 |fixup_ju|mp, jump|
|00003bb0| 2c 20 62 29 3b 0d 0d 20 | 20 69 66 20 28 73 74 61 |, b);.. | if (sta|
|00003bc0| 63 6b 70 20 21 3d 20 73 | 74 61 63 6b 62 29 20 67 |ckp != s|tackb) g|
|00003bd0| 6f 74 6f 20 75 6e 6d 61 | 74 63 68 65 64 5f 6f 70 |oto unma|tched_op|
|00003be0| 65 6e 3b 0d 0d 20 20 62 | 75 66 70 2d 3e 75 73 65 |en;..  b|ufp->use|
|00003bf0| 64 20 3d 20 62 20 2d 20 | 62 75 66 70 2d 3e 62 75 |d = b - |bufp->bu|
|00003c00| 66 66 65 72 3b 0d 20 20 | 72 65 74 75 72 6e 20 30 |ffer;.  |return 0|
|00003c10| 3b 0d 0d 20 69 6e 76 61 | 6c 69 64 5f 70 61 74 74 |;.. inva|lid_patt|
|00003c20| 65 72 6e 3a 0d 20 20 72 | 65 74 75 72 6e 20 22 49 |ern:.  r|eturn "I|
|00003c30| 6e 76 61 6c 69 64 20 72 | 65 67 75 6c 61 72 20 65 |nvalid r|egular e|
|00003c40| 78 70 72 65 73 73 69 6f | 6e 22 3b 0d 0d 20 75 6e |xpressio|n";.. un|
|00003c50| 6d 61 74 63 68 65 64 5f | 6f 70 65 6e 3a 0d 20 20 |matched_|open:.  |
|00003c60| 72 65 74 75 72 6e 20 22 | 55 6e 6d 61 74 63 68 65 |return "|Unmatche|
|00003c70| 64 20 5c 5c 28 22 3b 0d | 0d 20 75 6e 6d 61 74 63 |d \\(";.|. unmatc|
|00003c80| 68 65 64 5f 63 6c 6f 73 | 65 3a 0d 20 20 72 65 74 |hed_clos|e:.  ret|
|00003c90| 75 72 6e 20 22 55 6e 6d | 61 74 63 68 65 64 20 5c |urn "Unm|atched \|
|00003ca0| 5c 29 22 3b 0d 0d 20 65 | 6e 64 5f 6f 66 5f 70 61 |\)";.. e|nd_of_pa|
|00003cb0| 74 74 65 72 6e 3a 0d 20 | 20 72 65 74 75 72 6e 20 |ttern:. | return |
|00003cc0| 22 50 72 65 6d 61 74 75 | 72 65 20 65 6e 64 20 6f |"Prematu|re end o|
|00003cd0| 66 20 72 65 67 75 6c 61 | 72 20 65 78 70 72 65 73 |f regula|r expres|
|00003ce0| 73 69 6f 6e 22 3b 0d 0d | 20 6e 65 73 74 69 6e 67 |sion";..| nesting|
|00003cf0| 5f 74 6f 6f 5f 64 65 65 | 70 3a 0d 20 20 72 65 74 |_too_dee|p:.  ret|
|00003d00| 75 72 6e 20 22 4e 65 73 | 74 69 6e 67 20 74 6f 6f |urn "Nes|ting too|
|00003d10| 20 64 65 65 70 22 3b 0d | 0d 20 74 6f 6f 5f 62 69 | deep";.|. too_bi|
|00003d20| 67 3a 0d 20 20 72 65 74 | 75 72 6e 20 22 52 65 67 |g:.  ret|urn "Reg|
|00003d30| 75 6c 61 72 20 65 78 70 | 72 65 73 73 69 6f 6e 20 |ular exp|ression |
|00003d40| 74 6f 6f 20 62 69 67 22 | 3b 0d 0d 20 6d 65 6d 6f |too big"|;.. memo|
|00003d50| 72 79 5f 65 78 68 61 75 | 73 74 65 64 3a 0d 20 20 |ry_exhau|sted:.  |
|00003d60| 72 65 74 75 72 6e 20 22 | 4d 65 6d 6f 72 79 20 65 |return "|Memory e|
|00003d70| 78 68 61 75 73 74 65 64 | 22 3b 0d 7d 0d 0d 2f 2a |xhausted|";.}../*|
|00003d80| 20 53 74 6f 72 65 20 77 | 68 65 72 65 20 60 66 72 | Store w|here `fr|
|00003d90| 6f 6d 27 20 70 6f 69 6e | 74 73 20 61 20 6a 75 6d |om' poin|ts a jum|
|00003da0| 70 20 6f 70 65 72 61 74 | 69 6f 6e 20 74 6f 20 6a |p operat|ion to j|
|00003db0| 75 6d 70 20 74 6f 20 77 | 68 65 72 65 20 60 74 6f |ump to w|here `to|
|00003dc0| 27 20 70 6f 69 6e 74 73 | 2e 0d 20 20 60 6f 70 63 |' points|..  `opc|
|00003dd0| 6f 64 65 27 20 69 73 20 | 74 68 65 20 6f 70 63 6f |ode' is |the opco|
|00003de0| 64 65 20 74 6f 20 73 74 | 6f 72 65 2e 20 2a 2f 0d |de to st|ore. */.|
|00003df0| 0d 73 74 61 74 69 63 20 | 69 6e 74 0d 73 74 6f 72 |.static |int.stor|
|00003e00| 65 5f 6a 75 6d 70 20 28 | 66 72 6f 6d 2c 20 6f 70 |e_jump (|from, op|
|00003e10| 63 6f 64 65 2c 20 74 6f | 29 0d 20 20 20 20 20 63 |code, to|).     c|
|00003e20| 68 61 72 20 2a 66 72 6f | 6d 2c 20 2a 74 6f 3b 0d |har *fro|m, *to;.|
|00003e30| 20 20 20 20 20 63 68 61 | 72 20 6f 70 63 6f 64 65 |     cha|r opcode|
|00003e40| 3b 0d 7b 0d 20 20 66 72 | 6f 6d 5b 30 5d 20 3d 20 |;.{.  fr|om[0] = |
|00003e50| 6f 70 63 6f 64 65 3b 0d | 20 20 66 72 6f 6d 5b 31 |opcode;.|  from[1|
|00003e60| 5d 20 3d 20 28 74 6f 20 | 2d 20 28 66 72 6f 6d 20 |] = (to |- (from |
|00003e70| 2b 20 33 29 29 20 26 20 | 30 33 37 37 3b 0d 20 20 |+ 3)) & |0377;.  |
|00003e80| 66 72 6f 6d 5b 32 5d 20 | 3d 20 28 74 6f 20 2d 20 |from[2] |= (to - |
|00003e90| 28 66 72 6f 6d 20 2b 20 | 33 29 29 20 3e 3e 20 38 |(from + |3)) >> 8|
|00003ea0| 3b 0d 7d 0d 0d 2f 2a 20 | 4f 70 65 6e 20 75 70 20 |;.}../* |Open up |
|00003eb0| 73 70 61 63 65 20 61 74 | 20 63 68 61 72 20 46 52 |space at| char FR|
|00003ec0| 4f 4d 2c 20 61 6e 64 20 | 69 6e 73 65 72 74 20 74 |OM, and |insert t|
|00003ed0| 68 65 72 65 20 61 20 6a | 75 6d 70 20 74 6f 20 54 |here a j|ump to T|
|00003ee0| 4f 2e 0d 20 20 20 43 55 | 52 52 45 4e 54 5f 45 4e |O..   CU|RRENT_EN|
|00003ef0| 44 20 67 69 76 65 73 20 | 74 65 20 65 6e 64 20 6f |D gives |te end o|
|00003f00| 66 20 74 68 65 20 73 74 | 6f 72 61 67 65 20 6e 6f |f the st|orage no|
|00003f10| 20 69 6e 20 75 73 65 2c | 0d 20 20 20 73 6f 20 77 | in use,|.   so w|
|00003f20| 65 20 6b 6e 6f 77 20 68 | 6f 77 20 6d 75 63 68 20 |e know h|ow much |
|00003f30| 64 61 74 61 20 74 6f 20 | 63 6f 70 79 20 75 70 2e |data to |copy up.|
|00003f40| 0d 20 20 20 4f 50 20 69 | 73 20 74 68 65 20 6f 70 |.   OP i|s the op|
|00003f50| 63 6f 64 65 20 6f 66 20 | 74 68 65 20 6a 75 6d 70 |code of |the jump|
|00003f60| 20 74 6f 20 69 6e 73 65 | 72 74 2e 0d 0d 20 20 20 | to inse|rt...   |
|00003f70| 49 66 20 79 6f 75 20 63 | 61 6c 6c 20 74 68 69 73 |If you c|all this|
|00003f80| 20 66 75 6e 63 74 69 6f | 6e 2c 20 79 6f 75 20 6d | functio|n, you m|
|00003f90| 75 73 74 20 7a 65 72 6f | 20 6f 75 74 20 70 65 6e |ust zero| out pen|
|00003fa0| 64 69 6e 67 5f 65 78 61 | 63 74 2e 20 20 2a 2f 0d |ding_exa|ct.  */.|
|00003fb0| 0d 73 74 61 74 69 63 20 | 69 6e 74 0d 69 6e 73 65 |.static |int.inse|
|00003fc0| 72 74 5f 6a 75 6d 70 20 | 28 6f 70 2c 20 66 72 6f |rt_jump |(op, fro|
|00003fd0| 6d 2c 20 74 6f 2c 20 63 | 75 72 72 65 6e 74 5f 65 |m, to, c|urrent_e|
|00003fe0| 6e 64 29 0d 20 20 20 20 | 20 63 68 61 72 20 6f 70 |nd).    | char op|
|00003ff0| 3b 0d 20 20 20 20 20 63 | 68 61 72 20 2a 66 72 6f |;.     c|har *fro|
|00004000| 6d 2c 20 2a 74 6f 2c 20 | 2a 63 75 72 72 65 6e 74 |m, *to, |*current|
|00004010| 5f 65 6e 64 3b 0d 7b 0d | 20 20 72 65 67 69 73 74 |_end;.{.|  regist|
|00004020| 65 72 20 63 68 61 72 20 | 2a 70 74 6f 20 3d 20 63 |er char |*pto = c|
|00004030| 75 72 72 65 6e 74 5f 65 | 6e 64 20 2b 20 33 3b 0d |urrent_e|nd + 3;.|
|00004040| 20 20 72 65 67 69 73 74 | 65 72 20 63 68 61 72 20 |  regist|er char |
|00004050| 2a 70 66 72 6f 6d 20 3d | 20 63 75 72 72 65 6e 74 |*pfrom =| current|
|00004060| 5f 65 6e 64 3b 0d 20 20 | 77 68 69 6c 65 20 28 70 |_end;.  |while (p|
|00004070| 66 72 6f 6d 20 21 3d 20 | 66 72 6f 6d 29 0d 20 20 |from != |from).  |
|00004080| 20 20 2a 2d 2d 70 74 6f | 20 3d 20 2a 2d 2d 70 66 |  *--pto| = *--pf|
|00004090| 72 6f 6d 3b 0d 20 20 73 | 74 6f 72 65 5f 6a 75 6d |rom;.  s|tore_jum|
|000040a0| 70 20 28 66 72 6f 6d 2c | 20 6f 70 2c 20 74 6f 29 |p (from,| op, to)|
|000040b0| 3b 0d 7d 0d 0c 0d 2f 2a | 20 47 69 76 65 6e 20 61 |;.}.../*| Given a|
|000040c0| 20 70 61 74 74 65 72 6e | 2c 20 63 6f 6d 70 75 74 | pattern|, comput|
|000040d0| 65 20 61 20 66 61 73 74 | 6d 61 70 20 66 72 6f 6d |e a fast|map from|
|000040e0| 20 69 74 2e 0d 20 54 68 | 65 20 66 61 73 74 6d 61 | it.. Th|e fastma|
|000040f0| 70 20 72 65 63 6f 72 64 | 73 20 77 68 69 63 68 20 |p record|s which |
|00004100| 6f 66 20 74 68 65 20 28 | 31 20 3c 3c 20 42 59 54 |of the (|1 << BYT|
|00004110| 45 57 49 44 54 48 29 20 | 70 6f 73 73 69 62 6c 65 |EWIDTH) |possible|
|00004120| 20 63 68 61 72 61 63 74 | 65 72 73 0d 20 63 61 6e | charact|ers. can|
|00004130| 20 73 74 61 72 74 20 61 | 20 73 74 72 69 6e 67 20 | start a| string |
|00004140| 74 68 61 74 20 6d 61 74 | 63 68 65 73 20 74 68 65 |that mat|ches the|
|00004150| 20 70 61 74 74 65 72 6e | 2e 0d 20 54 68 69 73 20 | pattern|.. This |
|00004160| 66 61 73 74 6d 61 70 20 | 69 73 20 75 73 65 64 20 |fastmap |is used |
|00004170| 62 79 20 72 65 5f 73 65 | 61 72 63 68 20 74 6f 20 |by re_se|arch to |
|00004180| 73 6b 69 70 20 71 75 69 | 63 6b 6c 79 20 6f 76 65 |skip qui|ckly ove|
|00004190| 72 20 74 6f 74 61 6c 6c | 79 20 69 6d 70 6c 61 75 |r totall|y implau|
|000041a0| 73 69 62 6c 65 20 74 65 | 78 74 2e 0d 0d 20 54 68 |sible te|xt... Th|
|000041b0| 65 20 63 61 6c 6c 65 72 | 20 6d 75 73 74 20 73 75 |e caller| must su|
|000041c0| 70 70 6c 79 20 74 68 65 | 20 61 64 64 72 65 73 73 |pply the| address|
|000041d0| 20 6f 66 20 61 20 28 31 | 20 3c 3c 20 42 59 54 45 | of a (1| << BYTE|
|000041e0| 57 49 44 54 48 29 2d 62 | 79 74 65 20 64 61 74 61 |WIDTH)-b|yte data|
|000041f0| 20 61 72 65 61 0d 20 61 | 73 20 62 75 66 70 2d 3e | area. a|s bufp->|
|00004200| 66 61 73 74 6d 61 70 2e | 0d 20 54 68 65 20 6f 74 |fastmap.|. The ot|
|00004210| 68 65 72 20 63 6f 6d 70 | 6f 6e 65 6e 74 73 20 6f |her comp|onents o|
|00004220| 66 20 62 75 66 70 20 64 | 65 73 63 72 69 62 65 20 |f bufp d|escribe |
|00004230| 74 68 65 20 70 61 74 74 | 65 72 6e 20 74 6f 20 62 |the patt|ern to b|
|00004240| 65 20 75 73 65 64 2e 20 | 20 2a 2f 0d 0d 76 6f 69 |e used. | */..voi|
|00004250| 64 0d 72 65 5f 63 6f 6d | 70 69 6c 65 5f 66 61 73 |d.re_com|pile_fas|
|00004260| 74 6d 61 70 20 28 62 75 | 66 70 29 0d 20 20 20 20 |tmap (bu|fp).    |
|00004270| 20 73 74 72 75 63 74 20 | 72 65 5f 70 61 74 74 65 | struct |re_patte|
|00004280| 72 6e 5f 62 75 66 66 65 | 72 20 2a 62 75 66 70 3b |rn_buffe|r *bufp;|
|00004290| 0d 7b 0d 20 20 75 6e 73 | 69 67 6e 65 64 20 63 68 |.{.  uns|igned ch|
|000042a0| 61 72 20 2a 70 61 74 74 | 65 72 6e 20 3d 20 28 75 |ar *patt|ern = (u|
|000042b0| 6e 73 69 67 6e 65 64 20 | 63 68 61 72 20 2a 29 20 |nsigned |char *) |
|000042c0| 62 75 66 70 2d 3e 62 75 | 66 66 65 72 3b 0d 20 20 |bufp->bu|ffer;.  |
|000042d0| 69 6e 74 20 73 69 7a 65 | 20 3d 20 62 75 66 70 2d |int size| = bufp-|
|000042e0| 3e 75 73 65 64 3b 0d 20 | 20 72 65 67 69 73 74 65 |>used;. | registe|
|000042f0| 72 20 63 68 61 72 20 2a | 66 61 73 74 6d 61 70 20 |r char *|fastmap |
|00004300| 3d 20 62 75 66 70 2d 3e | 66 61 73 74 6d 61 70 3b |= bufp->|fastmap;|
|00004310| 0d 20 20 72 65 67 69 73 | 74 65 72 20 75 6e 73 69 |.  regis|ter unsi|
|00004320| 67 6e 65 64 20 63 68 61 | 72 20 2a 70 20 3d 20 70 |gned cha|r *p = p|
|00004330| 61 74 74 65 72 6e 3b 0d | 20 20 72 65 67 69 73 74 |attern;.|  regist|
|00004340| 65 72 20 75 6e 73 69 67 | 6e 65 64 20 63 68 61 72 |er unsig|ned char|
|00004350| 20 2a 70 65 6e 64 20 3d | 20 70 61 74 74 65 72 6e | *pend =| pattern|
|00004360| 20 2b 20 73 69 7a 65 3b | 0d 20 20 72 65 67 69 73 | + size;|.  regis|
|00004370| 74 65 72 20 69 6e 74 20 | 6a 2c 20 6b 3b 0d 20 20 |ter int |j, k;.  |
|00004380| 75 6e 73 69 67 6e 65 64 | 20 63 68 61 72 20 2a 74 |unsigned| char *t|
|00004390| 72 61 6e 73 6c 61 74 65 | 20 3d 20 28 75 6e 73 69 |ranslate| = (unsi|
|000043a0| 67 6e 65 64 20 63 68 61 | 72 20 2a 29 20 62 75 66 |gned cha|r *) buf|
|000043b0| 70 2d 3e 74 72 61 6e 73 | 6c 61 74 65 3b 0d 0d 20 |p->trans|late;.. |
|000043c0| 20 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 20 2a | unsigne|d char *|
|000043d0| 73 74 61 63 6b 62 5b 4e | 46 41 49 4c 55 52 45 53 |stackb[N|FAILURES|
|000043e0| 5d 3b 0d 20 20 75 6e 73 | 69 67 6e 65 64 20 63 68 |];.  uns|igned ch|
|000043f0| 61 72 20 2a 2a 73 74 61 | 63 6b 70 20 3d 20 73 74 |ar **sta|ckp = st|
|00004400| 61 63 6b 62 3b 0d 0d 20 | 20 62 7a 65 72 6f 20 28 |ackb;.. | bzero (|
|00004410| 66 61 73 74 6d 61 70 2c | 20 28 31 20 3c 3c 20 42 |fastmap,| (1 << B|
|00004420| 59 54 45 57 49 44 54 48 | 29 29 3b 0d 20 20 62 75 |YTEWIDTH|));.  bu|
|00004430| 66 70 2d 3e 66 61 73 74 | 6d 61 70 5f 61 63 63 75 |fp->fast|map_accu|
|00004440| 72 61 74 65 20 3d 20 31 | 3b 0d 20 20 62 75 66 70 |rate = 1|;.  bufp|
|00004450| 2d 3e 63 61 6e 5f 62 65 | 5f 6e 75 6c 6c 20 3d 20 |->can_be|_null = |
|00004460| 30 3b 0d 20 20 20 20 20 | 20 0d 20 20 77 68 69 6c |0;.     | .  whil|
|00004470| 65 20 28 70 29 0d 20 20 | 20 20 7b 0d 20 20 20 20 |e (p).  |  {.    |
|00004480| 20 20 69 66 20 28 70 20 | 3d 3d 20 70 65 6e 64 29 |  if (p |== pend)|
|00004490| 0d 09 7b 0d 09 20 20 62 | 75 66 70 2d 3e 63 61 6e |..{..  b|ufp->can|
|000044a0| 5f 62 65 5f 6e 75 6c 6c | 20 3d 20 31 3b 0d 09 20 |_be_null| = 1;.. |
|000044b0| 20 62 72 65 61 6b 3b 0d | 09 7d 0d 23 69 66 64 65 | break;.|.}.#ifde|
|000044c0| 66 20 53 57 49 54 43 48 | 5f 45 4e 55 4d 5f 42 55 |f SWITCH|_ENUM_BU|
|000044d0| 47 0d 20 20 20 20 20 20 | 73 77 69 74 63 68 20 28 |G.      |switch (|
|000044e0| 28 69 6e 74 29 20 28 28 | 65 6e 75 6d 20 72 65 67 |(int) ((|enum reg|
|000044f0| 65 78 70 63 6f 64 65 29 | 20 2a 70 2b 2b 29 29 0d |expcode)| *p++)).|
|00004500| 23 65 6c 73 65 0d 20 20 | 20 20 20 20 73 77 69 74 |#else.  |    swit|
|00004510| 63 68 20 28 28 65 6e 75 | 6d 20 72 65 67 65 78 70 |ch ((enu|m regexp|
|00004520| 63 6f 64 65 29 20 2a 70 | 2b 2b 29 0d 23 65 6e 64 |code) *p|++).#end|
|00004530| 69 66 0d 09 7b 0d 09 63 | 61 73 65 20 65 78 61 63 |if..{..c|ase exac|
|00004540| 74 6e 3a 0d 09 20 20 69 | 66 20 28 74 72 61 6e 73 |tn:..  i|f (trans|
|00004550| 6c 61 74 65 29 0d 09 20 | 20 20 20 66 61 73 74 6d |late).. |   fastm|
|00004560| 61 70 5b 74 72 61 6e 73 | 6c 61 74 65 5b 70 5b 31 |ap[trans|late[p[1|
|00004570| 5d 5d 5d 20 3d 20 31 3b | 0d 09 20 20 65 6c 73 65 |]]] = 1;|..  else|
|00004580| 0d 09 20 20 20 20 66 61 | 73 74 6d 61 70 5b 70 5b |..    fa|stmap[p[|
|00004590| 31 5d 5d 20 3d 20 31 3b | 0d 09 20 20 62 72 65 61 |1]] = 1;|..  brea|
|000045a0| 6b 3b 0d 0d 20 20 20 20 | 20 20 20 20 63 61 73 65 |k;..    |    case|
|000045b0| 20 62 65 67 6c 69 6e 65 | 3a 0d 20 20 20 20 20 20 | begline|:.      |
|000045c0| 20 20 63 61 73 65 20 62 | 65 66 6f 72 65 5f 64 6f |  case b|efore_do|
|000045d0| 74 3a 0d 09 63 61 73 65 | 20 61 74 5f 64 6f 74 3a |t:..case| at_dot:|
|000045e0| 0d 09 63 61 73 65 20 61 | 66 74 65 72 5f 64 6f 74 |..case a|fter_dot|
|000045f0| 3a 0d 09 63 61 73 65 20 | 62 65 67 62 75 66 3a 0d |:..case |begbuf:.|
|00004600| 09 63 61 73 65 20 65 6e | 64 62 75 66 3a 0d 09 63 |.case en|dbuf:..c|
|00004610| 61 73 65 20 77 6f 72 64 | 62 6f 75 6e 64 3a 0d 09 |ase word|bound:..|
|00004620| 63 61 73 65 20 6e 6f 74 | 77 6f 72 64 62 6f 75 6e |case not|wordboun|
|00004630| 64 3a 0d 09 63 61 73 65 | 20 77 6f 72 64 62 65 67 |d:..case| wordbeg|
|00004640| 3a 0d 09 63 61 73 65 20 | 77 6f 72 64 65 6e 64 3a |:..case |wordend:|
|00004650| 0d 09 20 20 63 6f 6e 74 | 69 6e 75 65 3b 0d 0d 09 |..  cont|inue;...|
|00004660| 63 61 73 65 20 65 6e 64 | 6c 69 6e 65 3a 0d 09 20 |case end|line:.. |
|00004670| 20 69 66 20 28 74 72 61 | 6e 73 6c 61 74 65 29 0d | if (tra|nslate).|
|00004680| 09 20 20 20 20 66 61 73 | 74 6d 61 70 5b 74 72 61 |.    fas|tmap[tra|
|00004690| 6e 73 6c 61 74 65 5b 27 | 5c 72 27 5d 5d 20 3d 20 |nslate['|\r']] = |
|000046a0| 31 3b 20 20 2f 2a 20 6e | 65 77 6c 69 6e 65 20 63 |1;  /* n|ewline c|
|000046b0| 68 61 6e 67 65 64 20 2a | 2f 0d 09 20 20 65 6c 73 |hanged *|/..  els|
|000046c0| 65 0d 09 20 20 20 20 66 | 61 73 74 6d 61 70 5b 27 |e..    f|astmap['|
|000046d0| 5c 72 27 5d 20 3d 20 31 | 3b 20 20 2f 2a 20 6e 65 |\r'] = 1|;  /* ne|
|000046e0| 77 6c 69 6e 65 20 63 68 | 61 6e 67 65 64 20 2a 2f |wline ch|anged */|
|000046f0| 0d 09 20 20 69 66 20 28 | 62 75 66 70 2d 3e 63 61 |..  if (|bufp->ca|
|00004700| 6e 5f 62 65 5f 6e 75 6c | 6c 20 21 3d 20 31 29 0d |n_be_nul|l != 1).|
|00004710| 09 20 20 20 20 62 75 66 | 70 2d 3e 63 61 6e 5f 62 |.    buf|p->can_b|
|00004720| 65 5f 6e 75 6c 6c 20 3d | 20 32 3b 0d 09 20 20 62 |e_null =| 2;..  b|
|00004730| 72 65 61 6b 3b 0d 0d 09 | 63 61 73 65 20 66 69 6e |reak;...|case fin|
|00004740| 61 6c 69 7a 65 5f 6a 75 | 6d 70 3a 0d 09 63 61 73 |alize_ju|mp:..cas|
|00004750| 65 20 6d 61 79 62 65 5f | 66 69 6e 61 6c 69 7a 65 |e maybe_|finalize|
|00004760| 5f 6a 75 6d 70 3a 0d 09 | 63 61 73 65 20 6a 75 6d |_jump:..|case jum|
|00004770| 70 3a 0d 09 63 61 73 65 | 20 64 75 6d 6d 79 5f 66 |p:..case| dummy_f|
|00004780| 61 69 6c 75 72 65 5f 6a | 75 6d 70 3a 0d 09 20 20 |ailure_j|ump:..  |
|00004790| 62 75 66 70 2d 3e 63 61 | 6e 5f 62 65 5f 6e 75 6c |bufp->ca|n_be_nul|
|000047a0| 6c 20 3d 20 31 3b 0d 09 | 20 20 6a 20 3d 20 2a 70 |l = 1;..|  j = *p|
|000047b0| 2b 2b 20 26 20 30 33 37 | 37 3b 0d 09 20 20 6a 20 |++ & 037|7;..  j |
|000047c0| 2b 3d 20 53 49 47 4e 5f | 45 58 54 45 4e 44 5f 43 |+= SIGN_|EXTEND_C|
|000047d0| 48 41 52 20 28 2a 28 63 | 68 61 72 20 2a 29 70 29 |HAR (*(c|har *)p)|
|000047e0| 20 3c 3c 20 38 3b 0d 09 | 20 20 70 20 2b 3d 20 6a | << 8;..|  p += j|
|000047f0| 20 2b 20 31 3b 09 09 2f | 2a 20 54 68 65 20 31 20 | + 1;../|* The 1 |
|00004800| 63 6f 6d 70 65 6e 73 61 | 74 65 73 20 66 6f 72 20 |compensa|tes for |
|00004810| 6d 69 73 73 69 6e 67 20 | 2b 2b 20 61 62 6f 76 65 |missing |++ above|
|00004820| 20 2a 2f 0d 09 20 20 69 | 66 20 28 6a 20 3e 20 30 | */..  i|f (j > 0|
|00004830| 29 0d 09 20 20 20 20 63 | 6f 6e 74 69 6e 75 65 3b |)..    c|ontinue;|
|00004840| 0d 09 20 20 2f 2a 20 4a | 75 6d 70 20 62 61 63 6b |..  /* J|ump back|
|00004850| 77 61 72 64 20 72 65 61 | 63 68 65 64 20 69 6d 70 |ward rea|ched imp|
|00004860| 6c 69 65 73 20 77 65 20 | 6a 75 73 74 20 77 65 6e |lies we |just wen|
|00004870| 74 20 74 68 72 6f 75 67 | 68 0d 09 20 20 20 20 20 |t throug|h..     |
|00004880| 74 68 65 20 62 6f 64 79 | 20 6f 66 20 61 20 6c 6f |the body| of a lo|
|00004890| 6f 70 20 61 6e 64 20 6d | 61 74 63 68 65 64 20 6e |op and m|atched n|
|000048a0| 6f 74 68 69 6e 67 2e 0d | 09 20 20 20 20 20 4f 70 |othing..|.     Op|
|000048b0| 63 6f 64 65 20 6a 75 6d | 70 65 64 20 74 6f 20 73 |code jum|ped to s|
|000048c0| 68 6f 75 6c 64 20 62 65 | 20 61 6e 20 6f 6e 5f 66 |hould be| an on_f|
|000048d0| 61 69 6c 75 72 65 5f 6a | 75 6d 70 2e 0d 09 20 20 |ailure_j|ump...  |
|000048e0| 20 20 20 4a 75 73 74 20 | 74 72 65 61 74 20 69 74 |   Just |treat it|
|000048f0| 20 6c 69 6b 65 20 61 6e | 20 6f 72 64 69 6e 61 72 | like an| ordinar|
|00004900| 79 20 6a 75 6d 70 2e 0d | 09 20 20 20 20 20 46 6f |y jump..|.     Fo|
|00004910| 72 20 61 20 2a 20 6c 6f | 6f 70 2c 20 69 74 20 68 |r a * lo|op, it h|
|00004920| 61 73 20 70 75 73 68 65 | 64 20 69 74 73 20 66 61 |as pushe|d its fa|
|00004930| 69 6c 75 72 65 20 70 6f | 69 6e 74 20 61 6c 72 65 |ilure po|int alre|
|00004940| 61 64 79 3b 0d 09 20 20 | 20 20 20 69 66 20 73 6f |ady;..  |   if so|
|00004950| 2c 20 64 69 73 63 61 72 | 64 20 74 68 61 74 20 61 |, discar|d that a|
|00004960| 73 20 72 65 64 75 6e 64 | 61 6e 74 2e 20 20 2a 2f |s redund|ant.  */|
|00004970| 0d 09 20 20 69 66 20 28 | 28 65 6e 75 6d 20 72 65 |..  if (|(enum re|
|00004980| 67 65 78 70 63 6f 64 65 | 29 20 2a 70 20 21 3d 20 |gexpcode|) *p != |
|00004990| 6f 6e 5f 66 61 69 6c 75 | 72 65 5f 6a 75 6d 70 29 |on_failu|re_jump)|
|000049a0| 0d 09 20 20 20 20 63 6f | 6e 74 69 6e 75 65 3b 0d |..    co|ntinue;.|
|000049b0| 09 20 20 70 2b 2b 3b 0d | 09 20 20 6a 20 3d 20 2a |.  p++;.|.  j = *|
|000049c0| 70 2b 2b 20 26 20 30 33 | 37 37 3b 0d 09 20 20 6a |p++ & 03|77;..  j|
|000049d0| 20 2b 3d 20 53 49 47 4e | 5f 45 58 54 45 4e 44 5f | += SIGN|_EXTEND_|
|000049e0| 43 48 41 52 20 28 2a 28 | 63 68 61 72 20 2a 29 70 |CHAR (*(|char *)p|
|000049f0| 29 20 3c 3c 20 38 3b 0d | 09 20 20 70 20 2b 3d 20 |) << 8;.|.  p += |
|00004a00| 6a 20 2b 20 31 3b 09 09 | 2f 2a 20 54 68 65 20 31 |j + 1;..|/* The 1|
|00004a10| 20 63 6f 6d 70 65 6e 73 | 61 74 65 73 20 66 6f 72 | compens|ates for|
|00004a20| 20 6d 69 73 73 69 6e 67 | 20 2b 2b 20 61 62 6f 76 | missing| ++ abov|
|00004a30| 65 20 2a 2f 0d 09 20 20 | 69 66 20 28 73 74 61 63 |e */..  |if (stac|
|00004a40| 6b 70 20 21 3d 20 73 74 | 61 63 6b 62 20 26 26 20 |kp != st|ackb && |
|00004a50| 2a 73 74 61 63 6b 70 20 | 3d 3d 20 70 29 0d 09 20 |*stackp |== p).. |
|00004a60| 20 20 20 73 74 61 63 6b | 70 2d 2d 3b 0d 09 20 20 |   stack|p--;..  |
|00004a70| 63 6f 6e 74 69 6e 75 65 | 3b 0d 09 20 20 0d 09 63 |continue|;..  ..c|
|00004a80| 61 73 65 20 6f 6e 5f 66 | 61 69 6c 75 72 65 5f 6a |ase on_f|ailure_j|
|00004a90| 75 6d 70 3a 0d 09 20 20 | 6a 20 3d 20 2a 70 2b 2b |ump:..  |j = *p++|
|00004aa0| 20 26 20 30 33 37 37 3b | 0d 09 20 20 6a 20 2b 3d | & 0377;|..  j +=|
|00004ab0| 20 53 49 47 4e 5f 45 58 | 54 45 4e 44 5f 43 48 41 | SIGN_EX|TEND_CHA|
|00004ac0| 52 20 28 2a 28 63 68 61 | 72 20 2a 29 70 29 20 3c |R (*(cha|r *)p) <|
|00004ad0| 3c 20 38 3b 0d 09 20 20 | 70 2b 2b 3b 0d 09 20 20 |< 8;..  |p++;..  |
|00004ae0| 2a 2b 2b 73 74 61 63 6b | 70 20 3d 20 70 20 2b 20 |*++stack|p = p + |
|00004af0| 6a 3b 0d 09 20 20 63 6f | 6e 74 69 6e 75 65 3b 0d |j;..  co|ntinue;.|
|00004b00| 0d 09 63 61 73 65 20 73 | 74 61 72 74 5f 6d 65 6d |..case s|tart_mem|
|00004b10| 6f 72 79 3a 0d 09 63 61 | 73 65 20 73 74 6f 70 5f |ory:..ca|se stop_|
|00004b20| 6d 65 6d 6f 72 79 3a 0d | 09 20 20 70 2b 2b 3b 0d |memory:.|.  p++;.|
|00004b30| 09 20 20 63 6f 6e 74 69 | 6e 75 65 3b 0d 0d 09 63 |.  conti|nue;...c|
|00004b40| 61 73 65 20 64 75 70 6c | 69 63 61 74 65 3a 0d 09 |ase dupl|icate:..|
|00004b50| 20 20 62 75 66 70 2d 3e | 63 61 6e 5f 62 65 5f 6e |  bufp->|can_be_n|
|00004b60| 75 6c 6c 20 3d 20 31 3b | 0d 09 20 20 66 61 73 74 |ull = 1;|..  fast|
|00004b70| 6d 61 70 5b 27 5c 72 27 | 5d 20 3d 20 31 3b 20 20 |map['\r'|] = 1;  |
|00004b80| 2f 2a 20 6e 65 77 6c 69 | 6e 65 20 63 68 61 6e 67 |/* newli|ne chang|
|00004b90| 65 64 20 2a 2f 0d 09 63 | 61 73 65 20 61 6e 79 63 |ed */..c|ase anyc|
|00004ba0| 68 61 72 3a 0d 09 20 20 | 66 6f 72 20 28 6a 20 3d |har:..  |for (j =|
|00004bb0| 20 30 3b 20 6a 20 3c 20 | 28 31 20 3c 3c 20 42 59 | 0; j < |(1 << BY|
|00004bc0| 54 45 57 49 44 54 48 29 | 3b 20 6a 2b 2b 29 0d 09 |TEWIDTH)|; j++)..|
|00004bd0| 20 20 20 20 69 66 20 28 | 6a 20 21 3d 20 27 5c 72 |    if (|j != '\r|
|00004be0| 27 29 20 20 2f 2a 20 6e | 65 77 6c 69 6e 65 20 63 |')  /* n|ewline c|
|00004bf0| 68 61 6e 67 65 64 20 2a | 2f 0d 09 20 20 20 20 20 |hanged *|/..     |
|00004c00| 20 66 61 73 74 6d 61 70 | 5b 6a 5d 20 3d 20 31 3b | fastmap|[j] = 1;|
|00004c10| 0d 09 20 20 69 66 20 28 | 62 75 66 70 2d 3e 63 61 |..  if (|bufp->ca|
|00004c20| 6e 5f 62 65 5f 6e 75 6c | 6c 29 0d 09 20 20 20 20 |n_be_nul|l)..    |
|00004c30| 72 65 74 75 72 6e 3b 0d | 09 20 20 2f 2a 20 44 6f |return;.|.  /* Do|
|00004c40| 6e 27 74 20 72 65 74 75 | 72 6e 3b 20 63 68 65 63 |n't retu|rn; chec|
|00004c50| 6b 20 74 68 65 20 61 6c | 74 65 72 6e 61 74 69 76 |k the al|ternativ|
|00004c60| 65 20 70 61 74 68 73 0d | 09 20 20 20 20 20 73 6f |e paths.|.     so|
|00004c70| 20 77 65 20 63 61 6e 20 | 73 65 74 20 63 61 6e 5f | we can |set can_|
|00004c80| 62 65 5f 6e 75 6c 6c 20 | 69 66 20 61 70 70 72 6f |be_null |if appro|
|00004c90| 70 72 69 61 74 65 2e 20 | 20 2a 2f 0d 09 20 20 62 |priate. | */..  b|
|00004ca0| 72 65 61 6b 3b 0d 0d 09 | 63 61 73 65 20 77 6f 72 |reak;...|case wor|
|00004cb0| 64 63 68 61 72 3a 0d 09 | 20 20 66 6f 72 20 28 6a |dchar:..|  for (j|
|00004cc0| 20 3d 20 30 3b 20 6a 20 | 3c 20 28 31 20 3c 3c 20 | = 0; j |< (1 << |
|00004cd0| 42 59 54 45 57 49 44 54 | 48 29 3b 20 6a 2b 2b 29 |BYTEWIDT|H); j++)|
|00004ce0| 0d 09 20 20 20 20 69 66 | 20 28 53 59 4e 54 41 58 |..    if| (SYNTAX|
|00004cf0| 20 28 6a 29 20 3d 3d 20 | 53 77 6f 72 64 29 0d 09 | (j) == |Sword)..|
|00004d00| 20 20 20 20 20 20 66 61 | 73 74 6d 61 70 5b 6a 5d |      fa|stmap[j]|
|00004d10| 20 3d 20 31 3b 0d 09 20 | 20 62 72 65 61 6b 3b 0d | = 1;.. | break;.|
|00004d20| 0d 09 63 61 73 65 20 6e | 6f 74 77 6f 72 64 63 68 |..case n|otwordch|
|00004d30| 61 72 3a 0d 09 20 20 66 | 6f 72 20 28 6a 20 3d 20 |ar:..  f|or (j = |
|00004d40| 30 3b 20 6a 20 3c 20 28 | 31 20 3c 3c 20 42 59 54 |0; j < (|1 << BYT|
|00004d50| 45 57 49 44 54 48 29 3b | 20 6a 2b 2b 29 0d 09 20 |EWIDTH);| j++).. |
|00004d60| 20 20 20 69 66 20 28 53 | 59 4e 54 41 58 20 28 6a |   if (S|YNTAX (j|
|00004d70| 29 20 21 3d 20 53 77 6f | 72 64 29 0d 09 20 20 20 |) != Swo|rd)..   |
|00004d80| 20 20 20 66 61 73 74 6d | 61 70 5b 6a 5d 20 3d 20 |   fastm|ap[j] = |
|00004d90| 31 3b 0d 09 20 20 62 72 | 65 61 6b 3b 0d 0d 23 69 |1;..  br|eak;..#i|
|00004da0| 66 64 65 66 20 65 6d 61 | 63 73 0d 09 63 61 73 65 |fdef ema|cs..case|
|00004db0| 20 73 79 6e 74 61 78 73 | 70 65 63 3a 0d 09 20 20 | syntaxs|pec:..  |
|00004dc0| 6b 20 3d 20 2a 70 2b 2b | 3b 0d 09 20 20 66 6f 72 |k = *p++|;..  for|
|00004dd0| 20 28 6a 20 3d 20 30 3b | 20 6a 20 3c 20 28 31 20 | (j = 0;| j < (1 |
|00004de0| 3c 3c 20 42 59 54 45 57 | 49 44 54 48 29 3b 20 6a |<< BYTEW|IDTH); j|
|00004df0| 2b 2b 29 0d 09 20 20 20 | 20 69 66 20 28 53 59 4e |++)..   | if (SYN|
|00004e00| 54 41 58 20 28 6a 29 20 | 3d 3d 20 28 65 6e 75 6d |TAX (j) |== (enum|
|00004e10| 20 73 79 6e 74 61 78 63 | 6f 64 65 29 20 6b 29 0d | syntaxc|ode) k).|
|00004e20| 09 20 20 20 20 20 20 66 | 61 73 74 6d 61 70 5b 6a |.      f|astmap[j|
|00004e30| 5d 20 3d 20 31 3b 0d 09 | 20 20 62 72 65 61 6b 3b |] = 1;..|  break;|
|00004e40| 0d 0d 09 63 61 73 65 20 | 6e 6f 74 73 79 6e 74 61 |...case |notsynta|
|00004e50| 78 73 70 65 63 3a 0d 09 | 20 20 6b 20 3d 20 2a 70 |xspec:..|  k = *p|
|00004e60| 2b 2b 3b 0d 09 20 20 66 | 6f 72 20 28 6a 20 3d 20 |++;..  f|or (j = |
|00004e70| 30 3b 20 6a 20 3c 20 28 | 31 20 3c 3c 20 42 59 54 |0; j < (|1 << BYT|
|00004e80| 45 57 49 44 54 48 29 3b | 20 6a 2b 2b 29 0d 09 20 |EWIDTH);| j++).. |
|00004e90| 20 20 20 69 66 20 28 53 | 59 4e 54 41 58 20 28 6a |   if (S|YNTAX (j|
|00004ea0| 29 20 21 3d 20 28 65 6e | 75 6d 20 73 79 6e 74 61 |) != (en|um synta|
|00004eb0| 78 63 6f 64 65 29 20 6b | 29 0d 09 20 20 20 20 20 |xcode) k|)..     |
|00004ec0| 20 66 61 73 74 6d 61 70 | 5b 6a 5d 20 3d 20 31 3b | fastmap|[j] = 1;|
|00004ed0| 0d 09 20 20 62 72 65 61 | 6b 3b 0d 23 65 6e 64 69 |..  brea|k;.#endi|
|00004ee0| 66 20 2f 2a 20 65 6d 61 | 63 73 20 2a 2f 0d 0d 09 |f /* ema|cs */...|
|00004ef0| 63 61 73 65 20 63 68 61 | 72 73 65 74 3a 0d 09 20 |case cha|rset:.. |
|00004f00| 20 66 6f 72 20 28 6a 20 | 3d 20 2a 70 2b 2b 20 2a | for (j |= *p++ *|
|00004f10| 20 42 59 54 45 57 49 44 | 54 48 20 2d 20 31 3b 20 | BYTEWID|TH - 1; |
|00004f20| 6a 20 3e 3d 20 30 3b 20 | 6a 2d 2d 29 0d 09 20 20 |j >= 0; |j--)..  |
|00004f30| 20 20 69 66 20 28 70 5b | 6a 20 2f 20 42 59 54 45 |  if (p[|j / BYTE|
|00004f40| 57 49 44 54 48 5d 20 26 | 20 28 31 20 3c 3c 20 28 |WIDTH] &| (1 << (|
|00004f50| 6a 20 25 20 42 59 54 45 | 57 49 44 54 48 29 29 29 |j % BYTE|WIDTH)))|
|00004f60| 0d 09 20 20 20 20 20 20 | 7b 0d 09 09 69 66 20 28 |..      |{...if (|
|00004f70| 74 72 61 6e 73 6c 61 74 | 65 29 0d 09 09 20 20 66 |translat|e)...  f|
|00004f80| 61 73 74 6d 61 70 5b 74 | 72 61 6e 73 6c 61 74 65 |astmap[t|ranslate|
|00004f90| 5b 6a 5d 5d 20 3d 20 31 | 3b 0d 09 09 65 6c 73 65 |[j]] = 1|;...else|
|00004fa0| 0d 09 09 20 20 66 61 73 | 74 6d 61 70 5b 6a 5d 20 |...  fas|tmap[j] |
|00004fb0| 3d 20 31 3b 0d 09 20 20 | 20 20 20 20 7d 0d 09 20 |= 1;..  |    }.. |
|00004fc0| 20 62 72 65 61 6b 3b 0d | 0d 09 63 61 73 65 20 63 | break;.|..case c|
|00004fd0| 68 61 72 73 65 74 5f 6e | 6f 74 3a 0d 09 20 20 2f |harset_n|ot:..  /|
|00004fe0| 2a 20 43 68 61 72 73 20 | 62 65 79 6f 6e 64 20 65 |* Chars |beyond e|
|00004ff0| 6e 64 20 6f 66 20 6d 61 | 70 20 6d 75 73 74 20 62 |nd of ma|p must b|
|00005000| 65 20 61 6c 6c 6f 77 65 | 64 20 2a 2f 0d 09 20 20 |e allowe|d */..  |
|00005010| 66 6f 72 20 28 6a 20 3d | 20 2a 70 20 2a 20 42 59 |for (j =| *p * BY|
|00005020| 54 45 57 49 44 54 48 3b | 20 6a 20 3c 20 28 31 20 |TEWIDTH;| j < (1 |
|00005030| 3c 3c 20 42 59 54 45 57 | 49 44 54 48 29 3b 20 6a |<< BYTEW|IDTH); j|
|00005040| 2b 2b 29 0d 09 20 20 20 | 20 69 66 20 28 74 72 61 |++)..   | if (tra|
|00005050| 6e 73 6c 61 74 65 29 0d | 09 20 20 20 20 20 20 66 |nslate).|.      f|
|00005060| 61 73 74 6d 61 70 5b 74 | 72 61 6e 73 6c 61 74 65 |astmap[t|ranslate|
|00005070| 5b 6a 5d 5d 20 3d 20 31 | 3b 0d 09 20 20 20 20 65 |[j]] = 1|;..    e|
|00005080| 6c 73 65 0d 09 20 20 20 | 20 20 20 66 61 73 74 6d |lse..   |   fastm|
|00005090| 61 70 5b 6a 5d 20 3d 20 | 31 3b 0d 0d 09 20 20 66 |ap[j] = |1;...  f|
|000050a0| 6f 72 20 28 6a 20 3d 20 | 2a 70 2b 2b 20 2a 20 42 |or (j = |*p++ * B|
|000050b0| 59 54 45 57 49 44 54 48 | 20 2d 20 31 3b 20 6a 20 |YTEWIDTH| - 1; j |
|000050c0| 3e 3d 20 30 3b 20 6a 2d | 2d 29 0d 09 20 20 20 20 |>= 0; j-|-)..    |
|000050d0| 69 66 20 28 21 28 70 5b | 6a 20 2f 20 42 59 54 45 |if (!(p[|j / BYTE|
|000050e0| 57 49 44 54 48 5d 20 26 | 20 28 31 20 3c 3c 20 28 |WIDTH] &| (1 << (|
|000050f0| 6a 20 25 20 42 59 54 45 | 57 49 44 54 48 29 29 29 |j % BYTE|WIDTH)))|
|00005100| 29 0d 09 20 20 20 20 20 | 20 7b 0d 09 09 69 66 20 |)..     | {...if |
|00005110| 28 74 72 61 6e 73 6c 61 | 74 65 29 0d 09 09 20 20 |(transla|te)...  |
|00005120| 66 61 73 74 6d 61 70 5b | 74 72 61 6e 73 6c 61 74 |fastmap[|translat|
|00005130| 65 5b 6a 5d 5d 20 3d 20 | 31 3b 0d 09 09 65 6c 73 |e[j]] = |1;...els|
|00005140| 65 0d 09 09 20 20 66 61 | 73 74 6d 61 70 5b 6a 5d |e...  fa|stmap[j]|
|00005150| 20 3d 20 31 3b 0d 09 20 | 20 20 20 20 20 7d 0d 09 | = 1;.. |     }..|
|00005160| 20 20 62 72 65 61 6b 3b | 0d 09 7d 0d 0d 20 20 20 |  break;|..}..   |
|00005170| 20 20 20 2f 2a 20 47 65 | 74 20 68 65 72 65 20 6d |   /* Ge|t here m|
|00005180| 65 61 6e 73 20 77 65 20 | 68 61 76 65 20 73 75 63 |eans we |have suc|
|00005190| 63 65 73 73 66 75 6c 6c | 79 20 66 6f 75 6e 64 20 |cessfull|y found |
|000051a0| 74 68 65 20 70 6f 73 73 | 69 62 6c 65 20 73 74 61 |the poss|ible sta|
|000051b0| 72 74 69 6e 67 20 63 68 | 61 72 61 63 74 65 72 73 |rting ch|aracters|
|000051c0| 0d 09 20 6f 66 20 6f 6e | 65 20 70 61 74 68 20 6f |.. of on|e path o|
|000051d0| 66 20 74 68 65 20 70 61 | 74 74 65 72 6e 2e 20 20 |f the pa|ttern.  |
|000051e0| 57 65 20 6e 65 65 64 20 | 6e 6f 74 20 66 6f 6c 6c |We need |not foll|
|000051f0| 6f 77 20 74 68 69 73 20 | 70 61 74 68 20 61 6e 79 |ow this |path any|
|00005200| 20 66 61 72 74 68 65 72 | 2e 0d 09 20 49 6e 73 74 | farther|... Inst|
|00005210| 65 61 64 2c 20 6c 6f 6f | 6b 20 61 74 20 74 68 65 |ead, loo|k at the|
|00005220| 20 6e 65 78 74 20 61 6c | 74 65 72 6e 61 74 69 76 | next al|ternativ|
|00005230| 65 20 72 65 6d 65 6d 62 | 65 72 65 64 20 69 6e 20 |e rememb|ered in |
|00005240| 74 68 65 20 73 74 61 63 | 6b 2e 20 2a 2f 0d 20 20 |the stac|k. */.  |
|00005250| 20 20 20 20 69 66 20 28 | 73 74 61 63 6b 70 20 21 |    if (|stackp !|
|00005260| 3d 20 73 74 61 63 6b 62 | 29 0d 09 70 20 3d 20 2a |= stackb|)..p = *|
|00005270| 73 74 61 63 6b 70 2d 2d | 3b 0d 20 20 20 20 20 20 |stackp--|;.      |
|00005280| 65 6c 73 65 0d 09 62 72 | 65 61 6b 3b 0d 20 20 20 |else..br|eak;.   |
|00005290| 20 7d 0d 7d 0d 0c 0d 2f | 2a 20 4c 69 6b 65 20 72 | }.}.../|* Like r|
|000052a0| 65 5f 73 65 61 72 63 68 | 5f 32 2c 20 62 65 6c 6f |e_search|_2, belo|
|000052b0| 77 2c 20 62 75 74 20 6f | 6e 6c 79 20 6f 6e 65 20 |w, but o|nly one |
|000052c0| 73 74 72 69 6e 67 20 69 | 73 20 73 70 65 63 69 66 |string i|s specif|
|000052d0| 69 65 64 2e 20 2a 2f 0d | 0d 69 6e 74 0d 72 65 5f |ied. */.|.int.re_|
|000052e0| 73 65 61 72 63 68 20 28 | 70 62 75 66 70 2c 20 73 |search (|pbufp, s|
|000052f0| 74 72 69 6e 67 2c 20 73 | 69 7a 65 2c 20 73 74 61 |tring, s|ize, sta|
|00005300| 72 74 70 6f 73 2c 20 72 | 61 6e 67 65 2c 20 72 65 |rtpos, r|ange, re|
|00005310| 67 73 29 0d 20 20 20 20 | 20 73 74 72 75 63 74 20 |gs).    | struct |
|00005320| 72 65 5f 70 61 74 74 65 | 72 6e 5f 62 75 66 66 65 |re_patte|rn_buffe|
|00005330| 72 20 2a 70 62 75 66 70 | 3b 0d 20 20 20 20 20 63 |r *pbufp|;.     c|
|00005340| 68 61 72 20 2a 73 74 72 | 69 6e 67 3b 0d 20 20 20 |har *str|ing;.   |
|00005350| 20 20 69 6e 74 20 73 69 | 7a 65 2c 20 73 74 61 72 |  int si|ze, star|
|00005360| 74 70 6f 73 2c 20 72 61 | 6e 67 65 3b 0d 20 20 20 |tpos, ra|nge;.   |
|00005370| 20 20 73 74 72 75 63 74 | 20 72 65 5f 72 65 67 69 |  struct| re_regi|
|00005380| 73 74 65 72 73 20 2a 72 | 65 67 73 3b 0d 7b 0d 20 |sters *r|egs;.{. |
|00005390| 20 72 65 74 75 72 6e 20 | 72 65 5f 73 65 61 72 63 | return |re_searc|
|000053a0| 68 5f 32 20 28 70 62 75 | 66 70 2c 20 30 2c 20 30 |h_2 (pbu|fp, 0, 0|
|000053b0| 2c 20 73 74 72 69 6e 67 | 2c 20 73 69 7a 65 2c 20 |, string|, size, |
|000053c0| 73 74 61 72 74 70 6f 73 | 2c 20 72 61 6e 67 65 2c |startpos|, range,|
|000053d0| 20 72 65 67 73 2c 20 73 | 69 7a 65 29 3b 0d 7d 0d | regs, s|ize);.}.|
|000053e0| 0d 2f 2a 20 4c 69 6b 65 | 20 72 65 5f 6d 61 74 63 |./* Like| re_matc|
|000053f0| 68 5f 32 20 62 75 74 20 | 74 72 69 65 73 20 66 69 |h_2 but |tries fi|
|00005400| 72 73 74 20 61 20 6d 61 | 74 63 68 20 73 74 61 72 |rst a ma|tch star|
|00005410| 74 69 6e 67 20 61 74 20 | 69 6e 64 65 78 20 53 54 |ting at |index ST|
|00005420| 41 52 54 50 4f 53 2c 0d | 20 20 20 74 68 65 6e 20 |ARTPOS,.|   then |
|00005430| 61 74 20 53 54 41 52 54 | 50 4f 53 20 2b 20 31 2c |at START|POS + 1,|
|00005440| 20 61 6e 64 20 73 6f 20 | 6f 6e 2e 0d 20 20 20 52 | and so |on..   R|
|00005450| 41 4e 47 45 20 69 73 20 | 74 68 65 20 6e 75 6d 62 |ANGE is |the numb|
|00005460| 65 72 20 6f 66 20 70 6c | 61 63 65 73 20 74 6f 20 |er of pl|aces to |
|00005470| 74 72 79 20 62 65 66 6f | 72 65 20 67 69 76 69 6e |try befo|re givin|
|00005480| 67 20 75 70 2e 0d 20 20 | 20 49 66 20 52 41 4e 47 |g up..  | If RANG|
|00005490| 45 20 69 73 20 6e 65 67 | 61 74 69 76 65 2c 20 74 |E is neg|ative, t|
|000054a0| 68 65 20 73 74 61 72 74 | 69 6e 67 20 70 6f 73 69 |he start|ing posi|
|000054b0| 74 69 6f 6e 73 20 74 72 | 69 65 64 20 61 72 65 0d |tions tr|ied are.|
|000054c0| 20 20 20 20 53 54 41 52 | 54 50 4f 53 2c 20 53 54 |    STAR|TPOS, ST|
|000054d0| 41 52 54 50 4f 53 20 2d | 20 31 2c 20 65 74 63 2e |ARTPOS -| 1, etc.|
|000054e0| 0d 20 20 20 49 74 20 69 | 73 20 75 70 20 74 6f 20 |.   It i|s up to |
|000054f0| 74 68 65 20 63 61 6c 6c | 65 72 20 74 6f 20 6d 61 |the call|er to ma|
|00005500| 6b 65 20 73 75 72 65 20 | 74 68 61 74 20 72 61 6e |ke sure |that ran|
|00005510| 67 65 20 69 73 20 6e 6f | 74 20 73 6f 20 6c 61 72 |ge is no|t so lar|
|00005520| 67 65 0d 20 20 20 61 73 | 20 74 6f 20 74 61 6b 65 |ge.   as| to take|
|00005530| 20 74 68 65 20 73 74 61 | 72 74 69 6e 67 20 70 6f | the sta|rting po|
|00005540| 73 69 74 69 6f 6e 20 6f | 75 74 73 69 64 65 20 6f |sition o|utside o|
|00005550| 66 20 74 68 65 20 69 6e | 70 75 74 20 73 74 72 69 |f the in|put stri|
|00005560| 6e 67 73 2e 0d 0d 54 68 | 65 20 76 61 6c 75 65 20 |ngs...Th|e value |
|00005570| 72 65 74 75 72 6e 65 64 | 20 69 73 20 74 68 65 20 |returned| is the |
|00005580| 70 6f 73 69 74 69 6f 6e | 20 61 74 20 77 68 69 63 |position| at whic|
|00005590| 68 20 74 68 65 20 6d 61 | 74 63 68 20 77 61 73 20 |h the ma|tch was |
|000055a0| 66 6f 75 6e 64 2c 0d 20 | 6f 72 20 2d 31 20 69 66 |found,. |or -1 if|
|000055b0| 20 6e 6f 20 6d 61 74 63 | 68 20 77 61 73 20 66 6f | no matc|h was fo|
|000055c0| 75 6e 64 2c 0d 20 6f 72 | 20 2d 32 20 69 66 20 65 |und,. or| -2 if e|
|000055d0| 72 72 6f 72 20 28 73 75 | 63 68 20 61 73 20 66 61 |rror (su|ch as fa|
|000055e0| 69 6c 75 72 65 20 73 74 | 61 63 6b 20 6f 76 65 72 |ilure st|ack over|
|000055f0| 66 6c 6f 77 29 2e 20 20 | 2a 2f 0d 0d 69 6e 74 0d |flow).  |*/..int.|
|00005600| 72 65 5f 73 65 61 72 63 | 68 5f 32 20 28 70 62 75 |re_searc|h_2 (pbu|
|00005610| 66 70 2c 20 73 74 72 69 | 6e 67 31 2c 20 73 69 7a |fp, stri|ng1, siz|
|00005620| 65 31 2c 20 73 74 72 69 | 6e 67 32 2c 20 73 69 7a |e1, stri|ng2, siz|
|00005630| 65 32 2c 20 73 74 61 72 | 74 70 6f 73 2c 20 72 61 |e2, star|tpos, ra|
|00005640| 6e 67 65 2c 20 72 65 67 | 73 2c 20 6d 73 74 6f 70 |nge, reg|s, mstop|
|00005650| 29 0d 20 20 20 20 20 73 | 74 72 75 63 74 20 72 65 |).     s|truct re|
|00005660| 5f 70 61 74 74 65 72 6e | 5f 62 75 66 66 65 72 20 |_pattern|_buffer |
|00005670| 2a 70 62 75 66 70 3b 0d | 20 20 20 20 20 63 68 61 |*pbufp;.|     cha|
|00005680| 72 20 2a 73 74 72 69 6e | 67 31 2c 20 2a 73 74 72 |r *strin|g1, *str|
|00005690| 69 6e 67 32 3b 0d 20 20 | 20 20 20 69 6e 74 20 73 |ing2;.  |   int s|
|000056a0| 69 7a 65 31 2c 20 73 69 | 7a 65 32 3b 0d 20 20 20 |ize1, si|ze2;.   |
|000056b0| 20 20 69 6e 74 20 73 74 | 61 72 74 70 6f 73 3b 0d |  int st|artpos;.|
|000056c0| 20 20 20 20 20 72 65 67 | 69 73 74 65 72 20 69 6e |     reg|ister in|
|000056d0| 74 20 72 61 6e 67 65 3b | 0d 20 20 20 20 20 73 74 |t range;|.     st|
|000056e0| 72 75 63 74 20 72 65 5f | 72 65 67 69 73 74 65 72 |ruct re_|register|
|000056f0| 73 20 2a 72 65 67 73 3b | 0d 20 20 20 20 20 69 6e |s *regs;|.     in|
|00005700| 74 20 6d 73 74 6f 70 3b | 0d 7b 0d 20 20 72 65 67 |t mstop;|.{.  reg|
|00005710| 69 73 74 65 72 20 63 68 | 61 72 20 2a 66 61 73 74 |ister ch|ar *fast|
|00005720| 6d 61 70 20 3d 20 70 62 | 75 66 70 2d 3e 66 61 73 |map = pb|ufp->fas|
|00005730| 74 6d 61 70 3b 0d 20 20 | 72 65 67 69 73 74 65 72 |tmap;.  |register|
|00005740| 20 75 6e 73 69 67 6e 65 | 64 20 63 68 61 72 20 2a | unsigne|d char *|
|00005750| 74 72 61 6e 73 6c 61 74 | 65 20 3d 20 28 75 6e 73 |translat|e = (uns|
|00005760| 69 67 6e 65 64 20 63 68 | 61 72 20 2a 29 20 70 62 |igned ch|ar *) pb|
|00005770| 75 66 70 2d 3e 74 72 61 | 6e 73 6c 61 74 65 3b 0d |ufp->tra|nslate;.|
|00005780| 20 20 69 6e 74 20 74 6f | 74 61 6c 20 3d 20 73 69 |  int to|tal = si|
|00005790| 7a 65 31 20 2b 20 73 69 | 7a 65 32 3b 0d 20 20 69 |ze1 + si|ze2;.  i|
|000057a0| 6e 74 20 76 61 6c 3b 0d | 0d 20 20 2f 2a 20 55 70 |nt val;.|.  /* Up|
|000057b0| 64 61 74 65 20 74 68 65 | 20 66 61 73 74 6d 61 70 |date the| fastmap|
|000057c0| 20 6e 6f 77 20 69 66 20 | 6e 6f 74 20 63 6f 72 72 | now if |not corr|
|000057d0| 65 63 74 20 61 6c 72 65 | 61 64 79 20 2a 2f 0d 20 |ect alre|ady */. |
|000057e0| 20 69 66 20 28 66 61 73 | 74 6d 61 70 20 26 26 20 | if (fas|tmap && |
|000057f0| 21 70 62 75 66 70 2d 3e | 66 61 73 74 6d 61 70 5f |!pbufp->|fastmap_|
|00005800| 61 63 63 75 72 61 74 65 | 29 0d 20 20 20 20 72 65 |accurate|).    re|
|00005810| 5f 63 6f 6d 70 69 6c 65 | 5f 66 61 73 74 6d 61 70 |_compile|_fastmap|
|00005820| 20 28 70 62 75 66 70 29 | 3b 0d 20 20 0d 20 20 2f | (pbufp)|;.  .  /|
|00005830| 2a 20 44 6f 6e 27 74 20 | 77 61 73 74 65 20 74 69 |* Don't |waste ti|
|00005840| 6d 65 20 69 6e 20 61 20 | 6c 6f 6e 67 20 73 65 61 |me in a |long sea|
|00005850| 72 63 68 20 66 6f 72 20 | 61 20 70 61 74 74 65 72 |rch for |a patter|
|00005860| 6e 0d 20 20 20 20 20 74 | 68 61 74 20 73 61 79 73 |n.     t|hat says|
|00005870| 20 69 74 20 69 73 20 61 | 6e 63 68 6f 72 65 64 2e | it is a|nchored.|
|00005880| 20 20 2a 2f 0d 20 20 69 | 66 20 28 70 62 75 66 70 |  */.  i|f (pbufp|
|00005890| 2d 3e 75 73 65 64 20 3e | 20 30 20 26 26 20 28 65 |->used >| 0 && (e|
|000058a0| 6e 75 6d 20 72 65 67 65 | 78 70 63 6f 64 65 29 20 |num rege|xpcode) |
|000058b0| 70 62 75 66 70 2d 3e 62 | 75 66 66 65 72 5b 30 5d |pbufp->b|uffer[0]|
|000058c0| 20 3d 3d 20 62 65 67 62 | 75 66 0d 20 20 20 20 20 | == begb|uf.     |
|000058d0| 20 26 26 20 72 61 6e 67 | 65 20 3e 20 30 29 0d 20 | && rang|e > 0). |
|000058e0| 20 20 20 7b 0d 20 20 20 | 20 20 20 69 66 20 28 73 |   {.   |   if (s|
|000058f0| 74 61 72 74 70 6f 73 20 | 3e 20 30 29 0d 09 72 65 |tartpos |> 0)..re|
|00005900| 74 75 72 6e 20 2d 31 3b | 0d 20 20 20 20 20 20 65 |turn -1;|.      e|
|00005910| 6c 73 65 0d 09 72 61 6e | 67 65 20 3d 20 31 3b 0d |lse..ran|ge = 1;.|
|00005920| 20 20 20 20 7d 0d 0d 20 | 20 77 68 69 6c 65 20 28 |    }.. | while (|
|00005930| 31 29 0d 20 20 20 20 7b | 0d 20 20 20 20 20 20 2f |1).    {|.      /|
|00005940| 2a 20 49 66 20 61 20 66 | 61 73 74 6d 61 70 20 69 |* If a f|astmap i|
|00005950| 73 20 73 75 70 70 6c 69 | 65 64 2c 20 73 6b 69 70 |s suppli|ed, skip|
|00005960| 20 71 75 69 63 6b 6c 79 | 20 6f 76 65 72 20 63 68 | quickly| over ch|
|00005970| 61 72 61 63 74 65 72 73 | 0d 09 20 74 68 61 74 20 |aracters|.. that |
|00005980| 63 61 6e 6e 6f 74 20 70 | 6f 73 73 69 62 6c 79 20 |cannot p|ossibly |
|00005990| 62 65 20 74 68 65 20 73 | 74 61 72 74 20 6f 66 20 |be the s|tart of |
|000059a0| 61 20 6d 61 74 63 68 2e | 0d 09 20 4e 6f 74 65 2c |a match.|.. Note,|
|000059b0| 20 68 6f 77 65 76 65 72 | 2c 20 74 68 61 74 20 69 | however|, that i|
|000059c0| 66 20 74 68 65 20 70 61 | 74 74 65 72 6e 20 63 61 |f the pa|ttern ca|
|000059d0| 6e 20 70 6f 73 73 69 62 | 6c 79 20 6d 61 74 63 68 |n possib|ly match|
|000059e0| 0d 09 20 74 68 65 20 6e | 75 6c 6c 20 73 74 72 69 |.. the n|ull stri|
|000059f0| 6e 67 2c 20 77 65 20 6d | 75 73 74 20 74 65 73 74 |ng, we m|ust test|
|00005a00| 20 69 74 20 61 74 20 65 | 61 63 68 20 73 74 61 72 | it at e|ach star|
|00005a10| 74 69 6e 67 20 70 6f 69 | 6e 74 0d 09 20 73 6f 20 |ting poi|nt.. so |
|00005a20| 74 68 61 74 20 77 65 20 | 74 61 6b 65 20 74 68 65 |that we |take the|
|00005a30| 20 66 69 72 73 74 20 6e | 75 6c 6c 20 73 74 72 69 | first n|ull stri|
|00005a40| 6e 67 20 77 65 20 67 65 | 74 2e 20 20 2a 2f 0d 0d |ng we ge|t.  */..|
|00005a50| 20 20 20 20 20 20 69 66 | 20 28 66 61 73 74 6d 61 |      if| (fastma|
|00005a60| 70 20 26 26 20 73 74 61 | 72 74 70 6f 73 20 3c 20 |p && sta|rtpos < |
|00005a70| 74 6f 74 61 6c 20 26 26 | 20 70 62 75 66 70 2d 3e |total &&| pbufp->|
|00005a80| 63 61 6e 5f 62 65 5f 6e | 75 6c 6c 20 21 3d 20 31 |can_be_n|ull != 1|
|00005a90| 29 0d 09 7b 0d 09 20 20 | 69 66 20 28 72 61 6e 67 |)..{..  |if (rang|
|00005aa0| 65 20 3e 20 30 29 0d 09 | 20 20 20 20 7b 0d 09 20 |e > 0)..|    {.. |
|00005ab0| 20 20 20 20 20 72 65 67 | 69 73 74 65 72 20 69 6e |     reg|ister in|
|00005ac0| 74 20 6c 69 6d 20 3d 20 | 30 3b 0d 09 20 20 20 20 |t lim = |0;..    |
|00005ad0| 20 20 72 65 67 69 73 74 | 65 72 20 75 6e 73 69 67 |  regist|er unsig|
|00005ae0| 6e 65 64 20 63 68 61 72 | 20 2a 70 3b 0d 09 20 20 |ned char| *p;..  |
|00005af0| 20 20 20 20 69 6e 74 20 | 69 72 61 6e 67 65 20 3d |    int |irange =|
|00005b00| 20 72 61 6e 67 65 3b 0d | 09 20 20 20 20 20 20 69 | range;.|.      i|
|00005b10| 66 20 28 73 74 61 72 74 | 70 6f 73 20 3c 20 73 69 |f (start|pos < si|
|00005b20| 7a 65 31 20 26 26 20 73 | 74 61 72 74 70 6f 73 20 |ze1 && s|tartpos |
|00005b30| 2b 20 72 61 6e 67 65 20 | 3e 3d 20 73 69 7a 65 31 |+ range |>= size1|
|00005b40| 29 0d 09 09 6c 69 6d 20 | 3d 20 72 61 6e 67 65 20 |)...lim |= range |
|00005b50| 2d 20 28 73 69 7a 65 31 | 20 2d 20 73 74 61 72 74 |- (size1| - start|
|00005b60| 70 6f 73 29 3b 0d 0d 09 | 20 20 20 20 20 20 70 20 |pos);...|      p |
|00005b70| 3d 20 28 28 75 6e 73 69 | 67 6e 65 64 20 63 68 61 |= ((unsi|gned cha|
|00005b80| 72 20 2a 29 0d 09 09 20 | 20 20 26 28 73 74 61 72 |r *)... |  &(star|
|00005b90| 74 70 6f 73 20 3e 3d 20 | 73 69 7a 65 31 20 3f 20 |tpos >= |size1 ? |
|00005ba0| 73 74 72 69 6e 67 32 20 | 2d 20 73 69 7a 65 31 20 |string2 |- size1 |
|00005bb0| 3a 20 73 74 72 69 6e 67 | 31 29 5b 73 74 61 72 74 |: string|1)[start|
|00005bc0| 70 6f 73 5d 29 3b 0d 0d | 09 20 20 20 20 20 20 69 |pos]);..|.      i|
|00005bd0| 66 20 28 74 72 61 6e 73 | 6c 61 74 65 29 0d 09 09 |f (trans|late)...|
|00005be0| 7b 0d 09 09 20 20 77 68 | 69 6c 65 20 28 72 61 6e |{...  wh|ile (ran|
|00005bf0| 67 65 20 3e 20 6c 69 6d | 20 26 26 20 21 66 61 73 |ge > lim| && !fas|
|00005c00| 74 6d 61 70 5b 74 72 61 | 6e 73 6c 61 74 65 5b 2a |tmap[tra|nslate[*|
|00005c10| 70 2b 2b 5d 5d 29 0d 09 | 09 20 20 20 20 72 61 6e |p++]])..|.    ran|
|00005c20| 67 65 2d 2d 3b 0d 09 09 | 7d 0d 09 20 20 20 20 20 |ge--;...|}..     |
|00005c30| 20 65 6c 73 65 0d 09 09 | 7b 0d 09 09 20 20 77 68 | else...|{...  wh|
|00005c40| 69 6c 65 20 28 72 61 6e | 67 65 20 3e 20 6c 69 6d |ile (ran|ge > lim|
|00005c50| 20 26 26 20 21 66 61 73 | 74 6d 61 70 5b 2a 70 2b | && !fas|tmap[*p+|
|00005c60| 2b 5d 29 0d 09 09 20 20 | 20 20 72 61 6e 67 65 2d |+])...  |  range-|
|00005c70| 2d 3b 0d 09 09 7d 0d 09 | 20 20 20 20 20 20 73 74 |-;...}..|      st|
|00005c80| 61 72 74 70 6f 73 20 2b | 3d 20 69 72 61 6e 67 65 |artpos +|= irange|
|00005c90| 20 2d 20 72 61 6e 67 65 | 3b 0d 09 20 20 20 20 7d | - range|;..    }|
|00005ca0| 0d 09 20 20 65 6c 73 65 | 0d 09 20 20 20 20 7b 0d |..  else|..    {.|
|00005cb0| 09 20 20 20 20 20 20 72 | 65 67 69 73 74 65 72 20 |.      r|egister |
|00005cc0| 75 6e 73 69 67 6e 65 64 | 20 63 68 61 72 20 63 3b |unsigned| char c;|
|00005cd0| 0d 09 20 20 20 20 20 20 | 69 66 20 28 73 74 61 72 |..      |if (star|
|00005ce0| 74 70 6f 73 20 3e 3d 20 | 73 69 7a 65 31 29 0d 09 |tpos >= |size1)..|
|00005cf0| 09 63 20 3d 20 73 74 72 | 69 6e 67 32 5b 73 74 61 |.c = str|ing2[sta|
|00005d00| 72 74 70 6f 73 20 2d 20 | 73 69 7a 65 31 5d 3b 0d |rtpos - |size1];.|
|00005d10| 09 20 20 20 20 20 20 65 | 6c 73 65 0d 09 09 63 20 |.      e|lse...c |
|00005d20| 3d 20 73 74 72 69 6e 67 | 31 5b 73 74 61 72 74 70 |= string|1[startp|
|00005d30| 6f 73 5d 3b 0d 09 20 20 | 20 20 20 20 63 20 26 3d |os];..  |    c &=|
|00005d40| 20 30 78 66 66 3b 0d 09 | 20 20 20 20 20 20 69 66 | 0xff;..|      if|
|00005d50| 20 28 74 72 61 6e 73 6c | 61 74 65 20 3f 20 21 66 | (transl|ate ? !f|
|00005d60| 61 73 74 6d 61 70 5b 74 | 72 61 6e 73 6c 61 74 65 |astmap[t|ranslate|
|00005d70| 5b 63 5d 5d 20 3a 20 21 | 66 61 73 74 6d 61 70 5b |[c]] : !|fastmap[|
|00005d80| 63 5d 29 0d 09 09 67 6f | 74 6f 20 61 64 76 61 6e |c])...go|to advan|
|00005d90| 63 65 3b 0d 09 20 20 20 | 20 7d 0d 09 7d 0d 0d 20 |ce;..   | }..}.. |
|00005da0| 20 20 20 20 20 69 66 20 | 28 72 61 6e 67 65 20 3e |     if |(range >|
|00005db0| 3d 20 30 20 26 26 20 73 | 74 61 72 74 70 6f 73 20 |= 0 && s|tartpos |
|00005dc0| 3d 3d 20 74 6f 74 61 6c | 0d 09 20 20 26 26 20 66 |== total|..  && f|
|00005dd0| 61 73 74 6d 61 70 20 26 | 26 20 70 62 75 66 70 2d |astmap &|& pbufp-|
|00005de0| 3e 63 61 6e 5f 62 65 5f | 6e 75 6c 6c 20 3d 3d 20 |>can_be_|null == |
|00005df0| 30 29 0d 09 72 65 74 75 | 72 6e 20 2d 31 3b 0d 0d |0)..retu|rn -1;..|
|00005e00| 20 20 20 20 20 20 76 61 | 6c 20 3d 20 72 65 5f 6d |      va|l = re_m|
|00005e10| 61 74 63 68 5f 32 20 28 | 70 62 75 66 70 2c 20 73 |atch_2 (|pbufp, s|
|00005e20| 74 72 69 6e 67 31 2c 20 | 73 69 7a 65 31 2c 20 73 |tring1, |size1, s|
|00005e30| 74 72 69 6e 67 32 2c 20 | 73 69 7a 65 32 2c 20 73 |tring2, |size2, s|
|00005e40| 74 61 72 74 70 6f 73 2c | 20 72 65 67 73 2c 20 6d |tartpos,| regs, m|
|00005e50| 73 74 6f 70 29 3b 0d 20 | 20 20 20 20 20 69 66 20 |stop);. |     if |
|00005e60| 28 30 20 3c 3d 20 76 61 | 6c 29 0d 09 7b 0d 09 20 |(0 <= va|l)..{.. |
|00005e70| 20 69 66 20 28 76 61 6c | 20 3d 3d 20 2d 32 29 0d | if (val| == -2).|
|00005e80| 09 20 20 20 20 72 65 74 | 75 72 6e 20 2d 32 3b 0d |.    ret|urn -2;.|
|00005e90| 09 20 20 72 65 74 75 72 | 6e 20 73 74 61 72 74 70 |.  retur|n startp|
|00005ea0| 6f 73 3b 0d 09 7d 0d 0d | 23 69 66 64 65 66 20 43 |os;..}..|#ifdef C|
|00005eb0| 5f 41 4c 4c 4f 43 41 0d | 20 20 20 20 20 20 61 6c |_ALLOCA.|      al|
|00005ec0| 6c 6f 63 61 20 28 30 29 | 3b 0d 23 65 6e 64 69 66 |loca (0)|;.#endif|
|00005ed0| 20 2f 2a 20 43 5f 41 4c | 4c 4f 43 41 20 2a 2f 0d | /* C_AL|LOCA */.|
|00005ee0| 0d 20 20 20 20 61 64 76 | 61 6e 63 65 3a 0d 20 20 |.    adv|ance:.  |
|00005ef0| 20 20 20 20 69 66 20 28 | 21 72 61 6e 67 65 29 20 |    if (|!range) |
|00005f00| 62 72 65 61 6b 3b 0d 20 | 20 20 20 20 20 69 66 20 |break;. |     if |
|00005f10| 28 72 61 6e 67 65 20 3e | 20 30 29 20 72 61 6e 67 |(range >| 0) rang|
|00005f20| 65 2d 2d 2c 20 73 74 61 | 72 74 70 6f 73 2b 2b 3b |e--, sta|rtpos++;|
|00005f30| 20 65 6c 73 65 20 72 61 | 6e 67 65 2b 2b 2c 20 73 | else ra|nge++, s|
|00005f40| 74 61 72 74 70 6f 73 2d | 2d 3b 0d 20 20 20 20 7d |tartpos-|-;.    }|
|00005f50| 0d 20 20 72 65 74 75 72 | 6e 20 2d 31 3b 0d 7d 0d |.  retur|n -1;.}.|
|00005f60| 0c 0d 23 69 66 6e 64 65 | 66 20 65 6d 61 63 73 20 |..#ifnde|f emacs |
|00005f70| 20 20 2f 2a 20 65 6d 61 | 63 73 20 6e 65 76 65 72 |  /* ema|cs never|
|00005f80| 20 75 73 65 73 20 74 68 | 69 73 20 2a 2f 0d 69 6e | uses th|is */.in|
|00005f90| 74 0d 72 65 5f 6d 61 74 | 63 68 20 28 70 62 75 66 |t.re_mat|ch (pbuf|
|00005fa0| 70 2c 20 73 74 72 69 6e | 67 2c 20 73 69 7a 65 2c |p, strin|g, size,|
|00005fb0| 20 70 6f 73 2c 20 72 65 | 67 73 29 0d 20 20 20 20 | pos, re|gs).    |
|00005fc0| 20 73 74 72 75 63 74 20 | 72 65 5f 70 61 74 74 65 | struct |re_patte|
|00005fd0| 72 6e 5f 62 75 66 66 65 | 72 20 2a 70 62 75 66 70 |rn_buffe|r *pbufp|
|00005fe0| 3b 0d 20 20 20 20 20 63 | 68 61 72 20 2a 73 74 72 |;.     c|har *str|
|00005ff0| 69 6e 67 3b 0d 20 20 20 | 20 20 69 6e 74 20 73 69 |ing;.   |  int si|
|00006000| 7a 65 2c 20 70 6f 73 3b | 0d 20 20 20 20 20 73 74 |ze, pos;|.     st|
|00006010| 72 75 63 74 20 72 65 5f | 72 65 67 69 73 74 65 72 |ruct re_|register|
|00006020| 73 20 2a 72 65 67 73 3b | 0d 7b 0d 20 20 72 65 74 |s *regs;|.{.  ret|
|00006030| 75 72 6e 20 72 65 5f 6d | 61 74 63 68 5f 32 20 28 |urn re_m|atch_2 (|
|00006040| 70 62 75 66 70 2c 20 30 | 2c 20 30 2c 20 73 74 72 |pbufp, 0|, 0, str|
|00006050| 69 6e 67 2c 20 73 69 7a | 65 2c 20 70 6f 73 2c 20 |ing, siz|e, pos, |
|00006060| 72 65 67 73 2c 20 73 69 | 7a 65 29 3b 0d 7d 0d 23 |regs, si|ze);.}.#|
|00006070| 65 6e 64 69 66 20 2f 2a | 20 65 6d 61 63 73 20 2a |endif /*| emacs *|
|00006080| 2f 0d 0d 2f 2a 20 4d 61 | 78 69 6d 75 6d 20 73 69 |/../* Ma|ximum si|
|00006090| 7a 65 20 6f 66 20 66 61 | 69 6c 75 72 65 20 73 74 |ze of fa|ilure st|
|000060a0| 61 63 6b 2e 20 20 42 65 | 79 6f 6e 64 20 74 68 69 |ack.  Be|yond thi|
|000060b0| 73 2c 20 6f 76 65 72 66 | 6c 6f 77 20 69 73 20 61 |s, overf|low is a|
|000060c0| 6e 20 65 72 72 6f 72 2e | 20 20 2a 2f 0d 0d 69 6e |n error.|  */..in|
|000060d0| 74 20 72 65 5f 6d 61 78 | 5f 66 61 69 6c 75 72 65 |t re_max|_failure|
|000060e0| 73 20 3d 20 32 30 30 30 | 3b 0d 0d 73 74 61 74 69 |s = 2000|;..stati|
|000060f0| 63 20 69 6e 74 20 62 63 | 6d 70 5f 74 72 61 6e 73 |c int bc|mp_trans|
|00006100| 6c 61 74 65 28 29 3b 0d | 2f 2a 20 4d 61 74 63 68 |late();.|/* Match|
|00006110| 20 74 68 65 20 70 61 74 | 74 65 72 6e 20 64 65 73 | the pat|tern des|
|00006120| 63 72 69 62 65 64 20 62 | 79 20 50 42 55 46 50 0d |cribed b|y PBUFP.|
|00006130| 20 20 20 61 67 61 69 6e | 73 74 20 64 61 74 61 20 |   again|st data |
|00006140| 77 68 69 63 68 20 69 73 | 20 74 68 65 20 76 69 72 |which is| the vir|
|00006150| 74 75 61 6c 20 63 6f 6e | 63 61 74 65 6e 61 74 69 |tual con|catenati|
|00006160| 6f 6e 20 6f 66 20 53 54 | 52 49 4e 47 31 20 61 6e |on of ST|RING1 an|
|00006170| 64 20 53 54 52 49 4e 47 | 32 2e 0d 20 20 20 53 49 |d STRING|2..   SI|
|00006180| 5a 45 31 20 61 6e 64 20 | 53 49 5a 45 32 20 61 72 |ZE1 and |SIZE2 ar|
|00006190| 65 20 74 68 65 20 73 69 | 7a 65 73 20 6f 66 20 74 |e the si|zes of t|
|000061a0| 68 65 20 74 77 6f 20 64 | 61 74 61 20 73 74 72 69 |he two d|ata stri|
|000061b0| 6e 67 73 2e 0d 20 20 20 | 53 74 61 72 74 20 74 68 |ngs..   |Start th|
|000061c0| 65 20 6d 61 74 63 68 20 | 61 74 20 70 6f 73 69 74 |e match |at posit|
|000061d0| 69 6f 6e 20 50 4f 53 2e | 0d 20 20 20 44 6f 20 6e |ion POS.|.   Do n|
|000061e0| 6f 74 20 63 6f 6e 73 69 | 64 65 72 20 6d 61 74 63 |ot consi|der matc|
|000061f0| 68 69 6e 67 20 70 61 73 | 74 20 74 68 65 20 70 6f |hing pas|t the po|
|00006200| 73 69 74 69 6f 6e 20 4d | 53 54 4f 50 2e 0d 0d 20 |sition M|STOP... |
|00006210| 20 20 49 66 20 70 62 75 | 66 70 2d 3e 66 61 73 74 |  If pbu|fp->fast|
|00006220| 6d 61 70 20 69 73 20 6e | 6f 6e 7a 65 72 6f 2c 20 |map is n|onzero, |
|00006230| 74 68 65 6e 20 69 74 20 | 68 61 64 20 62 65 74 74 |then it |had bett|
|00006240| 65 72 20 62 65 20 75 70 | 20 74 6f 20 64 61 74 65 |er be up| to date|
|00006250| 2e 0d 0d 20 20 20 54 68 | 65 20 72 65 61 73 6f 6e |...   Th|e reason|
|00006260| 20 74 68 61 74 20 74 68 | 65 20 64 61 74 61 20 74 | that th|e data t|
|00006270| 6f 20 6d 61 74 63 68 20 | 61 72 65 20 73 70 65 63 |o match |are spec|
|00006280| 69 66 69 65 64 20 61 73 | 20 74 77 6f 20 63 6f 6d |ified as| two com|
|00006290| 70 6f 6e 65 6e 74 73 0d | 20 20 20 77 68 69 63 68 |ponents.|   which|
|000062a0| 20 61 72 65 20 74 6f 20 | 62 65 20 72 65 67 61 72 | are to |be regar|
|000062b0| 64 65 64 20 61 73 20 63 | 6f 6e 63 61 74 65 6e 61 |ded as c|oncatena|
|000062c0| 74 65 64 0d 20 20 20 69 | 73 20 73 6f 20 74 68 69 |ted.   i|s so thi|
|000062d0| 73 20 66 75 6e 63 74 69 | 6f 6e 20 63 61 6e 20 62 |s functi|on can b|
|000062e0| 65 20 75 73 65 64 20 64 | 69 72 65 63 74 6c 79 20 |e used d|irectly |
|000062f0| 6f 6e 20 74 68 65 20 63 | 6f 6e 74 65 6e 74 73 20 |on the c|ontents |
|00006300| 6f 66 20 61 6e 20 45 6d | 61 63 73 20 62 75 66 66 |of an Em|acs buff|
|00006310| 65 72 2e 0d 0d 20 20 20 | 2d 31 20 69 73 20 72 65 |er...   |-1 is re|
|00006320| 74 75 72 6e 65 64 20 69 | 66 20 74 68 65 72 65 20 |turned i|f there |
|00006330| 69 73 20 6e 6f 20 6d 61 | 74 63 68 2e 20 20 2d 32 |is no ma|tch.  -2|
|00006340| 20 69 73 20 72 65 74 75 | 72 6e 65 64 20 69 66 20 | is retu|rned if |
|00006350| 74 68 65 72 65 20 69 73 | 0d 20 20 20 61 6e 20 65 |there is|.   an e|
|00006360| 72 72 6f 72 20 28 73 75 | 63 68 20 61 73 20 6d 61 |rror (su|ch as ma|
|00006370| 74 63 68 20 73 74 61 63 | 6b 20 6f 76 65 72 66 6c |tch stac|k overfl|
|00006380| 6f 77 29 2e 20 20 4f 74 | 68 65 72 77 69 73 65 20 |ow).  Ot|herwise |
|00006390| 74 68 65 20 76 61 6c 75 | 65 20 69 73 20 74 68 65 |the valu|e is the|
|000063a0| 20 6c 65 6e 67 74 68 0d | 20 20 20 6f 66 20 74 68 | length.|   of th|
|000063b0| 65 20 73 75 62 73 74 72 | 69 6e 67 20 77 68 69 63 |e substr|ing whic|
|000063c0| 68 20 77 61 73 20 6d 61 | 74 63 68 65 64 2e 20 20 |h was ma|tched.  |
|000063d0| 2a 2f 0d 0d 69 6e 74 0d | 72 65 5f 6d 61 74 63 68 |*/..int.|re_match|
|000063e0| 5f 32 20 28 70 62 75 66 | 70 2c 20 73 74 72 69 6e |_2 (pbuf|p, strin|
|000063f0| 67 31 2c 20 73 69 7a 65 | 31 2c 20 73 74 72 69 6e |g1, size|1, strin|
+--------+-------------------------+-------------------------+--------+--------+
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