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- /* Copyright (C) 1988, 1989 Free Software Foundation, Inc.
- This file is part of GNU Make.
-
- GNU Make is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- GNU Make is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU Make; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /*
- * MS-DOS port (c) 1990 by Thorsten Ohl <ohl@gnu.ai.mit.edu>
- *
- * To this port, the same copying conditions apply as to the
- * original release.
- *
- * IMPORTANT:
- * This file is not identical to the original GNU release!
- * You should have received this code as patch to the official
- * GNU release.
- *
- * MORE IMPORTANT:
- * This port comes with ABSOLUTELY NO WARRANTY.
- *
- * $Header: e:/gnu/make/RCS/ar.c'v 3.58.0.2 90/07/18 10:17:58 tho Exp $
- */
-
- #include "make.h"
- #include "file.h"
-
-
-
- #ifdef MSDOS
- /* Defined in zipscan.c. */
- extern long ar_scan (char *archive, long (*f) (int, char *, long, long, long,
- long, int, int, int, long), long arg);
- extern long ar_name_equal (char *name, char *mem);
- extern long ar_member_touch (char *arname, char *memname);
- #else /* not MSDOS */
- /* Defined in arscan.c. */
- extern long int ar_scan ();
- extern int ar_member_touch ();
- #endif /* not MSDOS */
-
-
- /* Return nonzero if NAME is an archive-member reference, zero if not.
- An archive-member reference is a name like `lib(member)'.
- If a name like `lib((entry))' is used, a fatal error is signaled at
- the attempt to use this unsupported feature. */
-
- int
- ar_name (name)
- char *name;
- {
- char *p = index (name, '('), *end = name + strlen (name) - 1;
-
- if (p == 0 || p == name || *end != ')')
- return 0;
-
- if (p[1] == '(' && end[-1] == ')')
- fatal ("attempt to use unsupported feature: `%s'", name);
-
- return 1;
- }
-
- static long int ar_member_date_1 ();
-
- /* Return the modtime of NAME. */
-
- time_t
- ar_member_date (name)
- char *name;
- {
- char *arname;
- char *memname;
- char *p;
- long int val;
-
- /* This "file" is an archive member. */
- p = index (name, '(');
- arname = savestring (name, p - name);
- val = strlen (p) - 2;
- if (val > 15)
- val = 15;
- memname = savestring (p + 1, val);
- p = rindex (memname, ')');
- if (p != 0)
- *p = '\0';
-
- /* Make sure we know the modtime of the archive itself because
- we are likely to be called just before commands to remake a
- member are run, and they will change the archive itself. */
- (void) f_mtime (enter_file (arname), 0);
-
- val = ar_scan (arname, ar_member_date_1, (long int) memname);
-
- free (arname);
- free (memname);
- return (val <= 0 ? (time_t) -1 : (time_t) val);
- }
-
- /* This function is called by `ar_scan' to find which member to look at. */
-
- /* ARGSUSED */
- static long int
- ar_member_date_1 (desc, name, hdrpos, datapos, size, date, uid, gid, mode, mem)
- int desc;
- char *name;
- long int hdrpos, datapos, size, date;
- int uid, gid, mode;
- char *mem;
- {
- return ar_name_equal (name, mem) ? date : 0;
- }
-
- /* Set the archive-member NAME's modtime to now. */
-
- int
- ar_touch (name)
- char *name;
- {
- register char *p, *arname, *memname;
- register int val;
-
- p = index (name, '(');
- arname = savestring (name, p - name);
- val = strlen (p) - 2;
- if (val > 15)
- val = 15;
- memname = savestring (p + 1, val);
- p = rindex (memname, ')');
- if (p != 0)
- *p = '\0';
-
- /* Make sure we know the modtime of the archive itself before we
- touch the member, since this will change the archive itself. */
- (void) f_mtime (enter_file (arname), 0);
-
- val = 1;
- switch (ar_member_touch (arname, memname))
- {
- case -1:
- error ("touch: Archive `%s' does not exist", arname);
- break;
- case -2:
- error ("touch: `%s' is not a valid archive", arname);
- case -3:
- perror_with_name ("touch: ", arname);
- break;
- case 1:
- error ("touch: Member `%s' does not exist in `%s'", memname, arname);
- break;
- case 0:
- val = 0;
- break;
- default:
- error ("touch: Bad return code from ar_member_touch on `%s'", name);
- }
-
- free (arname);
- free (memname);
-
- return val;
- }
-