summaryrefslogtreecommitdiff
path: root/Build/source/utils/pmx/pmx-2.7.0/libf2c/err.c
diff options
context:
space:
mode:
authorPeter Breitenlohner <peb@mppmu.mpg.de>2013-04-11 07:05:45 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2013-04-11 07:05:45 +0000
commit6941e5180d2bf7f492ad2de183e040d4cc49fe9b (patch)
tree57d5ce94f2bbbd4a9ef1de672f99ad2b9cc02d4d /Build/source/utils/pmx/pmx-2.7.0/libf2c/err.c
parente79c88e6450275eafdfcbee36d1b3085b5903a84 (diff)
pmx 2.7.0
git-svn-id: svn://tug.org/texlive/trunk@29854 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/pmx/pmx-2.7.0/libf2c/err.c')
-rw-r--r--Build/source/utils/pmx/pmx-2.7.0/libf2c/err.c282
1 files changed, 282 insertions, 0 deletions
diff --git a/Build/source/utils/pmx/pmx-2.7.0/libf2c/err.c b/Build/source/utils/pmx/pmx-2.7.0/libf2c/err.c
new file mode 100644
index 00000000000..b81ffc111f0
--- /dev/null
+++ b/Build/source/utils/pmx/pmx-2.7.0/libf2c/err.c
@@ -0,0 +1,282 @@
+#include "sysdep1.h" /* here to get stat64 on some badly designed Linux systems */
+#include "f2c.h"
+#ifdef KR_headers
+extern char *malloc();
+#else
+#undef abs
+#undef min
+#undef max
+#include "stdlib.h"
+#endif
+#include "fio.h"
+#include "fmt.h" /* for struct syl */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*global definitions*/
+unit f__units[MXUNIT]; /*unit table*/
+flag f__init; /*0 on entry, 1 after initializations*/
+cilist *f__elist; /*active external io list*/
+icilist *f__svic; /*active internal io list*/
+flag f__reading; /*1 if reading, 0 if writing*/
+flag f__cplus,f__cblank;
+char *f__fmtbuf;
+flag f__external; /*1 if external io, 0 if internal */
+#ifdef KR_headers
+int (*f__doed)(),(*f__doned)();
+int (*f__doend)(),(*f__donewrec)(),(*f__dorevert)();
+int (*f__getn)(); /* for formatted input */
+void (*f__putn)(); /* for formatted output */
+#else
+int (*f__getn)(void); /* for formatted input */
+void (*f__putn)(int); /* for formatted output */
+int (*f__doed)(struct syl*, char*, ftnlen),(*f__doned)(struct syl*);
+int (*f__dorevert)(void),(*f__donewrec)(void),(*f__doend)(void);
+#endif
+flag f__sequential; /*1 if sequential io, 0 if direct*/
+flag f__formatted; /*1 if formatted io, 0 if unformatted*/
+FILE *f__cf; /*current file*/
+unit *f__curunit; /*current unit*/
+int f__recpos; /*place in current record*/
+OFF_T f__cursor, f__hiwater;
+int f__scale;
+char *f__icptr;
+
+/*error messages*/
+char *F_err[] =
+{
+ "error in format", /* 100 */
+ "illegal unit number", /* 101 */
+ "formatted io not allowed", /* 102 */
+ "unformatted io not allowed", /* 103 */
+ "direct io not allowed", /* 104 */
+ "sequential io not allowed", /* 105 */
+ "can't backspace file", /* 106 */
+ "null file name", /* 107 */
+ "can't stat file", /* 108 */
+ "unit not connected", /* 109 */
+ "off end of record", /* 110 */
+ "truncation failed in endfile", /* 111 */
+ "incomprehensible list input", /* 112 */
+ "out of free space", /* 113 */
+ "unit not connected", /* 114 */
+ "read unexpected character", /* 115 */
+ "bad logical input field", /* 116 */
+ "bad variable type", /* 117 */
+ "bad namelist name", /* 118 */
+ "variable not in namelist", /* 119 */
+ "no end record", /* 120 */
+ "variable count incorrect", /* 121 */
+ "subscript for scalar variable", /* 122 */
+ "invalid array section", /* 123 */
+ "substring out of bounds", /* 124 */
+ "subscript out of bounds", /* 125 */
+ "can't read file", /* 126 */
+ "can't write file", /* 127 */
+ "'new' file exists", /* 128 */
+ "can't append to file", /* 129 */
+ "non-positive record number", /* 130 */
+ "nmLbuf overflow" /* 131 */
+};
+#define MAXERR (sizeof(F_err)/sizeof(char *)+100)
+
+ int
+#ifdef KR_headers
+f__canseek(f) FILE *f; /*SYSDEP*/
+#else
+f__canseek(FILE *f) /*SYSDEP*/
+#endif
+{
+#ifdef NON_UNIX_STDIO
+ return !isatty(fileno(f));
+#else
+ struct STAT_ST x;
+
+ if (FSTAT(fileno(f),&x) < 0)
+ return(0);
+#ifdef S_IFMT
+ switch(x.st_mode & S_IFMT) {
+ case S_IFDIR:
+ case S_IFREG:
+ if(x.st_nlink > 0) /* !pipe */
+ return(1);
+ else
+ return(0);
+ case S_IFCHR:
+ if(isatty(fileno(f)))
+ return(0);
+ return(1);
+#ifdef S_IFBLK
+ case S_IFBLK:
+ return(1);
+#endif
+ }
+#else
+#ifdef S_ISDIR
+ /* POSIX version */
+ if (S_ISREG(x.st_mode) || S_ISDIR(x.st_mode)) {
+ if(x.st_nlink > 0) /* !pipe */
+ return(1);
+ else
+ return(0);
+ }
+ if (S_ISCHR(x.st_mode)) {
+ if(isatty(fileno(f)))
+ return(0);
+ return(1);
+ }
+ if (S_ISBLK(x.st_mode))
+ return(1);
+#else
+ Help! How does fstat work on this system?
+#endif
+#endif
+ return(0); /* who knows what it is? */
+#endif
+}
+
+ void
+#ifdef KR_headers
+f__fatal(n,s) char *s;
+#else
+f__fatal(int n, char *s)
+#endif
+{
+ if(n<100 && n>=0) perror(s); /*SYSDEP*/
+ else if(n >= (int)MAXERR || n < -1)
+ { fprintf(stderr,"%s: illegal error number %d\n",s,n);
+ }
+ else if(n == -1) fprintf(stderr,"%s: end of file\n",s);
+ else
+ fprintf(stderr,"%s: %s\n",s,F_err[n-100]);
+ if (f__curunit) {
+ fprintf(stderr,"apparent state: unit %d ",
+ (int)(f__curunit-f__units));
+ fprintf(stderr, f__curunit->ufnm ? "named %s\n" : "(unnamed)\n",
+ f__curunit->ufnm);
+ }
+ else
+ fprintf(stderr,"apparent state: internal I/O\n");
+ if (f__fmtbuf)
+ fprintf(stderr,"last format: %s\n",f__fmtbuf);
+ fprintf(stderr,"lately %s %s %s %s",f__reading?"reading":"writing",
+ f__sequential?"sequential":"direct",f__formatted?"formatted":"unformatted",
+ f__external?"external":"internal");
+ sig_die(" IO", 1);
+}
+/*initialization routine*/
+ VOID
+f_init(Void)
+{ unit *p;
+
+ f__init=1;
+ p= &f__units[0];
+ p->ufd=stderr;
+ p->useek=f__canseek(stderr);
+ p->ufmt=1;
+ p->uwrt=1;
+ p = &f__units[5];
+ p->ufd=stdin;
+ p->useek=f__canseek(stdin);
+ p->ufmt=1;
+ p->uwrt=0;
+ p= &f__units[6];
+ p->ufd=stdout;
+ p->useek=f__canseek(stdout);
+ p->ufmt=1;
+ p->uwrt=1;
+}
+
+ int
+#ifdef KR_headers
+f__nowreading(x) unit *x;
+#else
+f__nowreading(unit *x)
+#endif
+{
+ OFF_T loc;
+ int ufmt, urw;
+ extern char *f__r_mode[], *f__w_mode[];
+
+ if (x->urw & 1)
+ goto done;
+ if (!x->ufnm)
+ goto cantread;
+ ufmt = x->url ? 0 : x->ufmt;
+ loc = FTELL(x->ufd);
+ urw = 3;
+ if (!FREOPEN(x->ufnm, f__w_mode[ufmt|2], x->ufd)) {
+ urw = 1;
+ if(!FREOPEN(x->ufnm, f__r_mode[ufmt], x->ufd)) {
+ cantread:
+ errno = 126;
+ return 1;
+ }
+ }
+ FSEEK(x->ufd,loc,SEEK_SET);
+ x->urw = urw;
+ done:
+ x->uwrt = 0;
+ return 0;
+}
+
+ int
+#ifdef KR_headers
+f__nowwriting(x) unit *x;
+#else
+f__nowwriting(unit *x)
+#endif
+{
+ OFF_T loc;
+ int ufmt;
+ extern char *f__w_mode[];
+
+ if (x->urw & 2) {
+ if (x->urw & 1)
+ FSEEK(x->ufd, (OFF_T)0, SEEK_CUR);
+ goto done;
+ }
+ if (!x->ufnm)
+ goto cantwrite;
+ ufmt = x->url ? 0 : x->ufmt;
+ if (x->uwrt == 3) { /* just did write, rewind */
+ if (!(f__cf = x->ufd =
+ FREOPEN(x->ufnm,f__w_mode[ufmt],x->ufd)))
+ goto cantwrite;
+ x->urw = 2;
+ }
+ else {
+ loc=FTELL(x->ufd);
+ if (!(f__cf = x->ufd =
+ FREOPEN(x->ufnm, f__w_mode[ufmt | 2], x->ufd)))
+ {
+ x->ufd = NULL;
+ cantwrite:
+ errno = 127;
+ return(1);
+ }
+ x->urw = 3;
+ FSEEK(x->ufd,loc,SEEK_SET);
+ }
+ done:
+ x->uwrt = 1;
+ return 0;
+}
+
+ int
+#ifdef KR_headers
+err__fl(f, m, s) int f, m; char *s;
+#else
+err__fl(int f, int m, char *s)
+#endif
+{
+ if (!f)
+ f__fatal(m, s);
+ if (f__doend)
+ (*f__doend)();
+ return errno = m;
+ }
+#ifdef __cplusplus
+}
+#endif