+++ /dev/null
-/* Define _XOPEN_SOURCE to get tempnam prototype with glibc et al --
- more general than _INCLUDE_XOPEN_SOURCE used elsewhere `for HP-UX'. */
-#define _XOPEN_SOURCE 1
-#include "config.h"
-#include "f2c.h"
-#include "fio.h"
-#include <string.h>
-#ifndef NON_POSIX_STDIO
-#ifdef MSDOS
-#include "io.h"
-#else
-#include "unistd.h" /* for access */
-#endif
-#endif
-
-#ifdef KR_headers
-extern char *malloc();
-#ifdef NON_ANSI_STDIO
-extern char *mktemp();
-#endif
-extern integer f_clos();
-#else
-#undef abs
-#undef min
-#undef max
-#include <stdlib.h>
-extern int f__canseek(FILE*);
-extern integer f_clos(cllist*);
-#endif
-
-#ifdef NON_ANSI_RW_MODES
-char *f__r_mode[2] = {"r", "r"};
-char *f__w_mode[4] = {"w", "w", "r+w", "r+w"};
-#else
-char *f__r_mode[2] = {"rb", "r"};
-char *f__w_mode[4] = {"wb", "w", "r+b", "r+"};
-#endif
-
- static char f__buf0[400], *f__buf = f__buf0;
- int f__buflen = (int)sizeof(f__buf0);
-
- static void
-#ifdef KR_headers
-f__bufadj(n, c) int n, c;
-#else
-f__bufadj(int n, int c)
-#endif
-{
- unsigned int len;
- char *nbuf, *s, *t, *te;
-
- if (f__buf == f__buf0)
- f__buflen = 1024;
- while(f__buflen <= n)
- f__buflen <<= 1;
- len = (unsigned int)f__buflen;
- if (len != f__buflen || !(nbuf = (char*)malloc(len)))
- f__fatal(113, "malloc failure");
- s = nbuf;
- t = f__buf;
- te = t + c;
- while(t < te)
- *s++ = *t++;
- if (f__buf != f__buf0)
- free(f__buf);
- f__buf = nbuf;
- }
-
- int
-#ifdef KR_headers
-f__putbuf(c) int c;
-#else
-f__putbuf(int c)
-#endif
-{
- char *s, *se;
- int n;
-
- if (f__hiwater > f__recpos)
- f__recpos = f__hiwater;
- n = f__recpos + 1;
- if (n >= f__buflen)
- f__bufadj(n, f__recpos);
- s = f__buf;
- se = s + f__recpos;
- if (c)
- *se++ = c;
- *se = 0;
- for(;;) {
- fputs(s, f__cf);
- s += strlen(s);
- if (s >= se)
- break; /* normally happens the first time */
- putc(*s++, f__cf);
- }
- return 0;
- }
-
- void
-#ifdef KR_headers
-x_putc(c)
-#else
-x_putc(int c)
-#endif
-{
- if (f__recpos >= f__buflen)
- f__bufadj(f__recpos, f__buflen);
- f__buf[f__recpos++] = c;
- }
-
-#define opnerr(f,m,s) \
- do {if(f) {f__init &= ~2; errno= m;} else opn_err(m,s,a); return(m);} while(0)
-
- static void
-#ifdef KR_headers
-opn_err(m, s, a) int m; char *s; olist *a;
-#else
-opn_err(int m, char *s, olist *a)
-#endif
-{
- if (a->ofnm) {
- /* supply file name to error message */
- if (a->ofnmlen >= f__buflen)
- f__bufadj((int)a->ofnmlen, 0);
- g_char(a->ofnm, a->ofnmlen, f__curunit->ufnm = f__buf);
- }
- f__fatal(m, s);
- }
-
-#ifdef KR_headers
-integer f_open(a) olist *a;
-#else
-integer f_open(olist *a)
-#endif
-{ unit *b;
- integer rv;
- char buf[256], *s, *env;
- cllist x;
- int ufmt;
- FILE *tf;
- int fd, len;
-#ifndef NON_UNIX_STDIO
- int n;
-#endif
- if(f__init != 1) f_init();
- f__external = 1;
- if(a->ounit>=MXUNIT || a->ounit<0)
- err(a->oerr,101,"open");
- f__curunit = b = &f__units[a->ounit];
- if(b->ufd) {
- if(a->ofnm==0)
- {
- same: if (a->oblnk)
- b->ublnk = *a->oblnk == 'z' || *a->oblnk == 'Z';
- return(0);
- }
-#ifdef NON_UNIX_STDIO
- if (b->ufnm
- && strlen(b->ufnm) == a->ofnmlen
- && !strncmp(b->ufnm, a->ofnm, (unsigned)a->ofnmlen))
- goto same;
-#else
- g_char(a->ofnm,a->ofnmlen,buf);
- if (f__inode(buf,&n) == b->uinode && n == b->udev)
- goto same;
-#endif
- x.cunit=a->ounit;
- x.csta=0;
- x.cerr=a->oerr;
- if ((rv = f_clos(&x)) != 0)
- return rv;
- }
- b->url = (int)a->orl;
- b->ublnk = a->oblnk && (*a->oblnk == 'z' || *a->oblnk == 'Z');
- if(a->ofm==0)
- { if(b->url>0) b->ufmt=0;
- else b->ufmt=1;
- }
- else if(*a->ofm=='f' || *a->ofm == 'F') b->ufmt=1;
- else b->ufmt=0;
- ufmt = b->ufmt;
-#ifdef url_Adjust
- if (b->url && !ufmt)
- url_Adjust(b->url);
-#endif
- if (a->ofnm) {
- g_char(a->ofnm,a->ofnmlen,buf);
- if (!buf[0])
- opnerr(a->oerr,107,"open");
- }
- else
- sprintf(buf, "fort.%ld", (long)a->ounit);
- b->uscrtch = 0;
- b->uend=0;
- b->uwrt = 0;
- b->ufd = 0;
- b->urw = 3;
- switch(a->osta ? *a->osta : 'u')
- {
- case 'o':
- case 'O':
-#ifdef NON_POSIX_STDIO
- if (!(tf = fopen(buf,"r")))
- opnerr(a->oerr,errno,"open");
- fclose(tf);
-#else
- if (access(buf,0))
- opnerr(a->oerr,errno,"open");
-#endif
- break;
- case 's':
- case 'S':
- b->uscrtch=1;
-#ifdef HAVE_MKSTEMP /* Allow use of TMPDIR preferentially. */
- env = getenv("TMPDIR");
- if (!env) env = getenv("TEMP");
- if (!env) env = "/tmp";
- len = strlen(env);
- if (len > 256 - sizeof "/tmp.FXXXXXX")
- err (a->oerr, 132, "open");
- strcpy(buf, env);
- strcat(buf, "/tmp.FXXXXXX");
- fd = mkstemp(buf);
- if (fd == -1 || close(fd))
- err (a->oerr, 132, "open");
-#else /* ! defined (HAVE_MKSTEMP) */
-#ifdef HAVE_TEMPNAM /* Allow use of TMPDIR preferentially. */
- s = tempnam (0, buf);
- if (strlen (s) >= sizeof (buf))
- err (a->oerr, 132, "open");
- (void) strcpy (buf, s);
- free (s);
-#else /* ! defined (HAVE_TEMPNAM) */
-#ifdef HAVE_TMPNAM
- tmpnam(buf);
-#else
- (void) strcpy(buf,"tmp.FXXXXXX");
- (void) mktemp(buf);
-#endif
-#endif /* ! defined (HAVE_TEMPNAM) */
-#endif /* ! defined (HAVE_MKSTEMP) */
- goto replace;
- case 'n':
- case 'N':
-#ifdef NON_POSIX_STDIO
- if ((tf = fopen(buf,"r")) || (tf = fopen(buf,"a"))) {
- fclose(tf);
- opnerr(a->oerr,128,"open");
- }
-#else
- if (!access(buf,0))
- opnerr(a->oerr,128,"open");
-#endif
- /* no break */
- case 'r': /* Fortran 90 replace option */
- case 'R':
- replace:
- if (tf = fopen(buf,f__w_mode[0]))
- fclose(tf);
- }
-
- b->ufnm=(char *) malloc((unsigned int)(strlen(buf)+1));
- if(b->ufnm==NULL) opnerr(a->oerr,113,"no space");
- (void) strcpy(b->ufnm,buf);
- if ((s = a->oacc) && b->url)
- ufmt = 0;
- if(!(tf = fopen(buf, f__w_mode[ufmt|2]))) {
- if (tf = fopen(buf, f__r_mode[ufmt]))
- b->urw = 1;
- else if (tf = fopen(buf, f__w_mode[ufmt])) {
- b->uwrt = 1;
- b->urw = 2;
- }
- else
- err(a->oerr, errno, "open");
- }
- b->useek = f__canseek(b->ufd = tf);
-#ifndef NON_UNIX_STDIO
- if((b->uinode = f__inode(buf,&b->udev)) == -1)
- opnerr(a->oerr,108,"open");
-#endif
- if(b->useek)
- if (a->orl)
- FSEEK(b->ufd, 0, SEEK_SET);
- else if ((s = a->oacc) && (*s == 'a' || *s == 'A')
- && FSEEK(b->ufd, 0, SEEK_END))
- opnerr(a->oerr,129,"open");
- return(0);
-}
-#ifdef KR_headers
-fk_open(seq,fmt,n) ftnint n;
-#else
-fk_open(int seq, int fmt, ftnint n)
-#endif
-{ char nbuf[10];
- olist a;
- int rtn;
- int save_init;
-
- (void) sprintf(nbuf,"fort.%ld",(long)n);
- a.oerr=1;
- a.ounit=n;
- a.ofnm=nbuf;
- a.ofnmlen=strlen(nbuf);
- a.osta=NULL;
- a.oacc= seq==SEQ?"s":"d";
- a.ofm = fmt==FMT?"f":"u";
- a.orl = seq==DIR?1:0;
- a.oblnk=NULL;
- save_init = f__init;
- f__init &= ~2;
- rtn = f_open(&a);
- f__init = save_init | 1;
- return rtn;
-}
projects / msp430-gcc.git / blobdiff