home *** CD-ROM | disk | FTP | other *** search
- #include "f2c.h"
- #include "fio.h"
- #include "fmt.h"
- #include "lio.h"
- #include "ctype.h"
- #include "fp.h"
-
- extern char *f__fmtbuf;
- #ifdef KR_headers
- extern double atof();
- extern char *malloc(), *realloc();
- int (*f__lioproc)(), (*l_getc)(), (*l_ungetc)();
- #else
- #undef abs
- #undef min
- #undef max
- #include "stdlib.h"
- int (*f__lioproc)(ftnint*, char*, ftnlen, ftnint), (*l_getc)(void),
- (*l_ungetc)(int,FILE*);
- #endif
- int l_eof;
-
- #define isblnk(x) (f__ltab[x+1]&B)
- #define issep(x) (f__ltab[x+1]&SX)
- #define isapos(x) (f__ltab[x+1]&AX)
- #define isexp(x) (f__ltab[x+1]&EX)
- #define issign(x) (f__ltab[x+1]&SG)
- #define iswhit(x) (f__ltab[x+1]&WH)
- #define SX 1
- #define B 2
- #define AX 4
- #define EX 8
- #define SG 16
- #define WH 32
- char f__ltab[128+1] = { /* offset one for EOF */
- 0,
- 0,0,AX,0,0,0,0,0,0,WH|B,SX|WH,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- SX|B|WH,0,AX,0,0,0,0,AX,0,0,0,SG,SX,SG,0,SX,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,EX,EX,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
- AX,0,0,0,EX,EX,0,0,0,0,0,0,0,0,0,0,
- 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- };
-
- #ifdef ungetc
- static int
- #ifdef KR_headers
- un_getc(x,f__cf) int x; FILE *f__cf;
- #else
- un_getc(int x, FILE *f__cf)
- #endif
- { return ungetc(x,f__cf); }
- #else
- #define un_getc ungetc
- #ifdef KR_headers
- extern int ungetc();
- #else
- extern int ungetc(int, FILE*); /* for systems with a buggy stdio.h */
- #endif
- #endif
-
- t_getc(Void)
- { int ch;
- if(f__curunit->uend) return(EOF);
- if((ch=getc(f__cf))!=EOF) return(ch);
- if(feof(f__cf))
- f__curunit->uend = l_eof = 1;
- return(EOF);
- }
- integer e_rsle(Void)
- {
- int ch;
- if(f__curunit->uend) return(0);
- while((ch=t_getc())!='\n' && ch!=EOF);
- return(0);
- }
-
- flag f__lquit;
- int f__lcount,f__ltype,nml_read;
- char *f__lchar;
- double f__lx,f__ly;
- #define ERR(x) if(n=(x)) return(n)
- #define GETC(x) (x=(*l_getc)())
- #define Ungetc(x,y) (*l_ungetc)(x,y)
-
- #ifdef KR_headers
- l_R(poststar) int poststar;
- #else
- l_R(int poststar)
- #endif
- {
- char s[FMAX+EXPMAXDIGS+4];
- register int ch;
- register char *sp, *spe, *sp1;
- long e, exp;
- int havenum, havestar, se;
-
- if (!poststar) {
- if (f__lcount > 0)
- return(0);
- f__lcount = 1;
- }
- f__ltype = 0;
- exp = 0;
- havestar = 0;
- retry:
- sp1 = sp = s;
- spe = sp + FMAX;
- havenum = 0;
-
- switch(GETC(ch)) {
- case '-': *sp++ = ch; sp1++; spe++;
- case '+':
- GETC(ch);
- }
- while(ch == '0') {
- ++havenum;
- GETC(ch);
- }
- while(isdigit(ch)) {
- if (sp < spe) *sp++ = ch;
- else ++exp;
- GETC(ch);
- }
- if (ch == '*' && !poststar) {
- if (sp == sp1 || exp || *s == '-') {
- errfl(f__elist->cierr,112,"bad repetition count");
- }
- poststar = havestar = 1;
- *sp = 0;
- f__lcount = atoi(s);
- goto retry;
- }
- if (ch == '.') {
- GETC(ch);
- if (sp == sp1)
- while(ch == '0') {
- ++havenum;
- --exp;
- GETC(ch);
- }
- while(isdigit(ch)) {
- if (sp < spe)
- { *sp++ = ch; --exp; }
- GETC(ch);
- }
- }
- havenum += sp - sp1;
- se = 0;
- if (issign(ch))
- goto signonly;
- if (havenum && isexp(ch)) {
- GETC(ch);
- if (issign(ch)) {
- signonly:
- if (ch == '-') se = 1;
- GETC(ch);
- }
- if (!isdigit(ch)) {
- bad:
- errfl(f__elist->cierr,112,"exponent field");
- }
-
- e = ch - '0';
- while(isdigit(GETC(ch))) {
- e = 10*e + ch - '0';
- if (e > EXPMAX)
- goto bad;
- }
- if (se)
- exp -= e;
- else
- exp += e;
- }
- (void) Ungetc(ch, f__cf);
- if (sp > sp1) {
- ++havenum;
- while(*--sp == '0')
- ++exp;
- if (exp)
- sprintf(sp+1, "e%ld", exp);
- else
- sp[1] = 0;
- f__lx = atof(s);
- }
- else
- f__lx = 0.;
- if (havenum)
- f__ltype = TYLONG;
- else
- switch(ch) {
- case ',':
- case '/':
- break;
- default:
- if (havestar && ( ch == ' '
- ||ch == '\t'
- ||ch == '\n'))
- break;
- if (nml_read > 1) {
- f__lquit = 2;
- return 0;
- }
- errfl(f__elist->cierr,112,"invalid number");
- }
- return 0;
- }
-
- static int
- #ifdef KR_headers
- rd_count(ch) register int ch;
- #else
- rd_count(register int ch)
- #endif
- {
- if (ch < '0' || ch > '9')
- return 1;
- f__lcount = ch - '0';
- while(GETC(ch) >= '0' && ch <= '9')
- f__lcount = 10*f__lcount + ch - '0';
- Ungetc(ch,f__cf);
- return f__lcount <= 0;
- }
-
- l_C(Void)
- { int ch, nml_save;
- double lz;
- if(f__lcount>0) return(0);
- f__ltype=0;
- GETC(ch);
- if(ch!='(')
- {
- if (nml_read > 1 && (ch < '0' || ch > '9')) {
- Ungetc(ch,f__cf);
- f__lquit = 2;
- return 0;
- }
- if (rd_count(ch))
- if(!f__cf || !feof(f__cf))
- errfl(f__elist->cierr,112,"complex format");
- else
- err(f__elist->cierr,(EOF),"lread");
- if(GETC(ch)!='*')
- {
- if(!f__cf || !feof(f__cf))
- errfl(f__elist->cierr,112,"no star");
- else
- err(f__elist->cierr,(EOF),"lread");
- }
- if(GETC(ch)!='(')
- { Ungetc(ch,f__cf);
- return(0);
- }
- }
- else
- f__lcount = 1;
- while(iswhit(GETC(ch)));
- Ungetc(ch,f__cf);
- nml_save = nml_read;
- nml_read = 0;
- if (ch = l_R(1))
- return ch;
- if (!f__ltype)
- errfl(f__elist->cierr,112,"no real part");
- lz = f__lx;
- while(iswhit(GETC(ch)));
- if(ch!=',')
- { (void) Ungetc(ch,f__cf);
- errfl(f__elist->cierr,112,"no comma");
- }
- while(iswhit(GETC(ch)));
- (void) Ungetc(ch,f__cf);
- if (ch = l_R(1))
- return ch;
- if (!f__ltype)
- errfl(f__elist->cierr,112,"no imaginary part");
- while(iswhit(GETC(ch)));
- if(ch!=')') errfl(f__elist->cierr,112,"no )");
- f__ly = f__lx;
- f__lx = lz;
- nml_read = nml_save;
- return(0);
- }
- l_L(Void)
- {
- int ch;
- if(f__lcount>0) return(0);
- f__lcount = 1;
- f__ltype=0;
- GETC(ch);
- if(isdigit(ch))
- {
- rd_count(ch);
- if(GETC(ch)!='*')
- if(!f__cf || !feof(f__cf))
- errfl(f__elist->cierr,112,"no star");
- else
- err(f__elist->cierr,(EOF),"lread");
- GETC(ch);
- }
- if(ch == '.') GETC(ch);
- switch(ch)
- {
- case 't':
- case 'T':
- f__lx=1;
- break;
- case 'f':
- case 'F':
- f__lx=0;
- break;
- default:
- if(isblnk(ch) || issep(ch) || ch==EOF)
- { (void) Ungetc(ch,f__cf);
- return(0);
- }
- if (nml_read > 1) {
- Ungetc(ch,f__cf);
- f__lquit = 2;
- return 0;
- }
- errfl(f__elist->cierr,112,"logical");
- }
- f__ltype=TYLONG;
- while(!issep(GETC(ch)) && ch!=EOF);
- (void) Ungetc(ch, f__cf);
- return(0);
- }
- #define BUFSIZE 128
- l_CHAR(Void)
- { int ch,size,i;
- static char rafail[] = "realloc failure";
- char quote,*p;
- if(f__lcount>0) return(0);
- f__ltype=0;
- if(f__lchar!=NULL) free(f__lchar);
- size=BUFSIZE;
- p=f__lchar = (char *)malloc((unsigned int)size);
- if(f__lchar == NULL)
- errfl(f__elist->cierr,113,"no space");
-
- GETC(ch);
- if(isdigit(ch)) {
- /* allow Fortran 8x-style unquoted string... */
- /* either find a repetition count or the string */
- f__lcount = ch - '0';
- *p++ = ch;
- for(i = 1;;) {
- switch(GETC(ch)) {
- case '*':
- if (f__lcount == 0) {
- f__lcount = 1;
- goto noquote;
- }
- p = f__lchar;
- goto have_lcount;
- case ',':
- case ' ':
- case '\t':
- case '\n':
- case '/':
- Ungetc(ch,f__cf);
- /* no break */
- case EOF:
- f__lcount = 1;
- f__ltype = TYCHAR;
- return *p = 0;
- }
- if (!isdigit(ch)) {
- f__lcount = 1;
- goto noquote;
- }
- *p++ = ch;
- f__lcount = 10*f__lcount + ch - '0';
- if (++i == size) {
- f__lchar = (char *)realloc(f__lchar,
- (unsigned int)(size += BUFSIZE));
- if(f__lchar == NULL)
- errfl(f__elist->cierr,113,rafail);
- p = f__lchar + i;
- }
- }
- }
- else (void) Ungetc(ch,f__cf);
- have_lcount:
- if(GETC(ch)=='\'' || ch=='"') quote=ch;
- else if(isblnk(ch) || (issep(ch) && ch != '\n') || ch==EOF)
- { (void) Ungetc(ch,f__cf);
- return(0);
- }
- else {
- /* Fortran 8x-style unquoted string */
- *p++ = ch;
- for(i = 1;;) {
- switch(GETC(ch)) {
- case ',':
- case ' ':
- case '\t':
- case '\n':
- case '/':
- Ungetc(ch,f__cf);
- /* no break */
- case EOF:
- f__ltype = TYCHAR;
- return *p = 0;
- }
- noquote:
- *p++ = ch;
- if (++i == size) {
- f__lchar = (char *)realloc(f__lchar,
- (unsigned int)(size += BUFSIZE));
- if(f__lchar == NULL)
- errfl(f__elist->cierr,113,rafail);
- p = f__lchar + i;
- }
- }
- }
- f__ltype=TYCHAR;
- for(i=0;;)
- { while(GETC(ch)!=quote && ch!='\n'
- && ch!=EOF && ++i<size) *p++ = ch;
- if(i==size)
- {
- newone:
- f__lchar= (char *)realloc(f__lchar,
- (unsigned int)(size += BUFSIZE));
- if(f__lchar == NULL)
- errfl(f__elist->cierr,113,rafail);
- p=f__lchar+i-1;
- *p++ = ch;
- }
- else if(ch==EOF) return(EOF);
- else if(ch=='\n')
- { if(*(p-1) != '\\') continue;
- i--;
- p--;
- if(++i<size) *p++ = ch;
- else goto newone;
- }
- else if(GETC(ch)==quote)
- { if(++i<size) *p++ = ch;
- else goto newone;
- }
- else
- { (void) Ungetc(ch,f__cf);
- *p = 0;
- return(0);
- }
- }
- }
- #ifdef KR_headers
- c_le(a) cilist *a;
- #else
- c_le(cilist *a)
- #endif
- {
- f__fmtbuf="list io";
- if(a->ciunit>=MXUNIT || a->ciunit<0)
- err(a->cierr,101,"stler");
- f__scale=f__recpos=0;
- f__elist=a;
- f__curunit = &f__units[a->ciunit];
- if(f__curunit->ufd==NULL && fk_open(SEQ,FMT,a->ciunit))
- err(a->cierr,102,"lio");
- f__cf=f__curunit->ufd;
- if(!f__curunit->ufmt) err(a->cierr,103,"lio")
- return(0);
- }
- #ifdef KR_headers
- l_read(number,ptr,len,type) ftnint *number,type; char *ptr; ftnlen len;
- #else
- l_read(ftnint *number, char *ptr, ftnlen len, ftnint type)
- #endif
- {
- #define Ptr ((flex *)ptr)
- int i,n,ch;
- doublereal *yy;
- real *xx;
- for(i=0;i<*number;i++)
- {
- if(f__lquit) return(0);
- if(l_eof)
- err(f__elist->ciend, EOF, "list in")
- if(f__lcount == 0) {
- f__ltype = 0;
- for(;;) {
- GETC(ch);
- switch(ch) {
- case EOF:
- goto loopend;
- case ' ':
- case '\t':
- case '\n':
- continue;
- case '/':
- f__lquit = 1;
- goto loopend;
- case ',':
- f__lcount = 1;
- goto loopend;
- default:
- (void) Ungetc(ch, f__cf);
- goto rddata;
- }
- }
- }
- rddata:
- switch((int)type)
- {
- case TYINT1:
- case TYSHORT:
- case TYLONG:
- #ifdef TYQUAD
- case TYQUAD:
- #endif
- case TYREAL:
- case TYDREAL:
- ERR(l_R(0));
- break;
- case TYCOMPLEX:
- case TYDCOMPLEX:
- ERR(l_C());
- break;
- case TYLOGICAL1:
- case TYLOGICAL2:
- case TYLOGICAL:
- ERR(l_L());
- break;
- case TYCHAR:
- ERR(l_CHAR());
- break;
- }
- while (GETC(ch) == ' ' || ch == '\t');
- if (ch != ',' || f__lcount > 1)
- Ungetc(ch,f__cf);
- loopend:
- if(f__lquit) return(0);
- if(f__cf) {
- if (feof(f__cf))
- err(f__elist->ciend,(EOF),"list in")
- else if(ferror(f__cf)) {
- clearerr(f__cf);
- errfl(f__elist->cierr,errno,"list in");
- }
- }
- if(f__ltype==0) goto bump;
- switch((int)type)
- {
- case TYINT1:
- case TYLOGICAL1:
- Ptr->flchar = (char)f__lx;
- break;
- case TYLOGICAL2:
- case TYSHORT:
- Ptr->flshort = (short)f__lx;
- break;
- case TYLOGICAL:
- case TYLONG:
- Ptr->flint=f__lx;
- break;
- #ifdef TYQUAD
- case TYQUAD:
- Ptr->fllongint = f__lx;
- break;
- #endif
- case TYREAL:
- Ptr->flreal=f__lx;
- break;
- case TYDREAL:
- Ptr->fldouble=f__lx;
- break;
- case TYCOMPLEX:
- xx=(real *)ptr;
- *xx++ = f__lx;
- *xx = f__ly;
- break;
- case TYDCOMPLEX:
- yy=(doublereal *)ptr;
- *yy++ = f__lx;
- *yy = f__ly;
- break;
- case TYCHAR:
- b_char(f__lchar,ptr,len);
- break;
- }
- bump:
- if(f__lcount>0) f__lcount--;
- ptr += len;
- if (nml_read)
- nml_read++;
- }
- return(0);
- #undef Ptr
- }
- #ifdef KR_headers
- integer s_rsle(a) cilist *a;
- #else
- integer s_rsle(cilist *a)
- #endif
- {
- int n;
-
- if(!f__init) f_init();
- if(n=c_le(a)) return(n);
- f__reading=1;
- f__external=1;
- f__formatted=1;
- f__lioproc = l_read;
- f__lquit = 0;
- f__lcount = 0;
- l_eof = 0;
- if(f__curunit->uwrt && f__nowreading(f__curunit))
- err(a->cierr,errno,"read start");
- l_getc = t_getc;
- l_ungetc = un_getc;
- f__doend = xrd_SL;
- return(0);
- }
-