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authorKarl Berry <karl@freefriends.org>2012-05-18 00:35:36 +0000
committerKarl Berry <karl@freefriends.org>2012-05-18 00:35:36 +0000
commitff3def13189580da6fe5254355c8f3b8091bb0fb (patch)
tree13092e119e26dd5354f66cf3746dd0a0cbdd8cb2 /Build/source/utils/pmx/pmx-2.6.18/libf2c/open.c
parent2721345a8954f1846ff48ba10e634bc65e7b954d (diff)
pmx 2.6.18 (16may12)
git-svn-id: svn://tug.org/texlive/trunk@26478 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/pmx/pmx-2.6.18/libf2c/open.c')
-rw-r--r--Build/source/utils/pmx/pmx-2.6.18/libf2c/open.c299
1 files changed, 299 insertions, 0 deletions
diff --git a/Build/source/utils/pmx/pmx-2.6.18/libf2c/open.c b/Build/source/utils/pmx/pmx-2.6.18/libf2c/open.c
new file mode 100644
index 00000000000..6e3def121df
--- /dev/null
+++ b/Build/source/utils/pmx/pmx-2.6.18/libf2c/open.c
@@ -0,0 +1,299 @@
+#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"
+#ifdef __cplusplus
+extern "C" {
+#endif
+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) {if(f) errno= m; else opn_err(m,s,a); return(m);}
+
+ 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;
+ cllist x;
+ int ufmt;
+ FILE *tf;
+#ifndef NON_UNIX_STDIO
+ int n;
+#endif
+ f__external = 1;
+ if(a->ounit>=MXUNIT || a->ounit<0)
+ err(a->oerr,101,"open")
+ if (!f__init)
+ f_init();
+ 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 NON_ANSI_STDIO
+ (void) strcpy(buf,"tmp.FXXXXXX");
+ (void) mktemp(buf);
+ goto replace;
+#else
+ if (!(b->ufd = tmpfile()))
+ opnerr(a->oerr,errno,"open")
+ b->ufnm = 0;
+#ifndef NON_UNIX_STDIO
+ b->uinode = b->udev = -1;
+#endif
+ b->useek = 1;
+ return 0;
+#endif
+
+ 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':
+#ifdef NON_ANSI_STDIO
+ replace:
+#endif
+ 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)
+ rewind(b->ufd);
+ else if ((s = a->oacc) && (*s == 'a' || *s == 'A')
+ && FSEEK(b->ufd, 0L, SEEK_END))
+ opnerr(a->oerr,129,"open");
+ return(0);
+}
+
+ int
+#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;
+ (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= (char*)(seq==SEQ?"s":"d");
+ a.ofm = (char*)(fmt==FMT?"f":"u");
+ a.orl = seq==DIR?1:0;
+ a.oblnk=NULL;
+ return(f_open(&a));
+}
+#ifdef __cplusplus
+}
+#endif