2.11BSD#431 - /usr/src/lib/libc/compat-sys5/tmpnam.c

   1: /*
   2:  * Copyright (c) 1988 Regents of the University of California.
   3:  * All rights reserved.
   4:  *
   5:  * Redistribution and use in source and binary forms are permitted
   6:  * provided that the above copyright notice and this paragraph are
   7:  * duplicated in all such forms and that any documentation,
   8:  * advertising materials, and other materials related to such
   9:  * distribution and use acknowledge that the software was developed
  10:  * by the University of California, Berkeley.  The name of the
  11:  * University may not be used to endorse or promote products derived
  12:  * from this software without specific prior written permission.
  13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  16:  */
  17: 
  18: #if defined(LIBC_SCCS) && !defined(lint)
  19: static char sccsid[] = "@(#)tmpnam.c	4.6 (Berkeley) 7/23/88";
  20: #endif /* LIBC_SCCS and not lint */
  21: 
  22: #include <sys/param.h>
  23: #include <stdio.h>
  24: 
  25: #define P_tmpdir    "/usr/tmp"
  26: 
  27: FILE *
  28: tmpfile()
  29: {
  30:     FILE *fp;
  31:     char *f, *tmpnam();
  32: 
  33:     if (!(f = tmpnam((char *)NULL)) || !(fp = fopen(f, "w+"))) {
  34:         fprintf(stderr, "tmpfile: cannot open %s.\n", f);
  35:         return(NULL);
  36:     }
  37:     (void)unlink(f);
  38:     return(fp);
  39: }
  40: 
  41: char *
  42: tmpnam(s)
  43:     char *s;
  44: {
  45:     char *malloc(), *mktemp();
  46: 
  47:     if (!s && !(s = malloc((u_int)MAXPATHLEN)))
  48:         return(NULL);
  49:     (void)sprintf(s, "%s/XXXXXX", P_tmpdir);
  50:     return(mktemp(s));
  51: }
  52: 
  53: char *
  54: tempnam(dir, pfx)
  55:     char *dir, *pfx;
  56: {
  57:     char *f, *name, *getenv(), *malloc(), *mktemp();
  58: 
  59:     if (!(name = malloc((u_int)MAXPATHLEN)))
  60:         return(NULL);
  61: 
  62:     if (f = getenv("TMPDIR")) {
  63:         (void)sprintf(name, "%s/%sXXXXXX", f, pfx ? "" : pfx);
  64:         if (f = mktemp(name))
  65:             return(f);
  66:     }
  67:     if (dir) {
  68:         (void)sprintf(name, "%s/%sXXXXXX", dir, pfx ? "" : pfx);
  69:         if (f = mktemp(name))
  70:             return(f);
  71:     }
  72:     (void)sprintf(name, "%s/%sXXXXXX", P_tmpdir, pfx ? "" : pfx);
  73:     if (f = mktemp(name))
  74:         return(f);
  75:     (void)sprintf(name, "/tmp/%sXXXXXX", pfx ? "" : pfx);
  76:     return(mktemp(name));
  77: }

Defined functions

Defined variables

Defined macros