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106 lines
2.6 KiB
106 lines
2.6 KiB
/* This is file TMPNAM.C */
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/* This file may have been modified by DJ Delorie (Jan 1991). If so,
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** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
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** Rochester NH, 03867-2954, USA.
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*/
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/*
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* Copyright (c) 1988 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted provided
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* that: (1) source distributions retain this entire copyright notice and
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* comment, and (2) distributions including binaries display the following
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* acknowledgement: ``This product includes software developed by the
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* University of California, Berkeley and its contributors'' in the
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* documentation or other materials provided with the distribution and in
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* all advertising materials mentioning features or use of this software.
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* Neither the name of the University nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)tmpnam.c 4.8 (Berkeley) 6/22/90";
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#endif /* LIBC_SCCS and not lint */
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#include <sys/param.h>
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#include <sys/types.h>
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#include <stdio.h>
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#ifdef linux
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#include <limits.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define MAXPATHLEN PATH_MAX
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extern char *mktemp(char * template);
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#endif
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#ifndef P_tmpdir
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#define P_tmpdir "/usr/tmp"
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#endif
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char *
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tmpnam(s)
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char *s;
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{
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#ifndef linux
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char *malloc(), *mktemp();
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#endif
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if (!s && !(s = (char *) malloc((unsigned int)MAXPATHLEN)))
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return(NULL);
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(void)sprintf(s, "%s/XXXXXX", P_tmpdir);
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return(mktemp(s));
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}
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char *
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tempnam(dir, pfx)
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char *dir, *pfx;
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{
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char *f, *name;
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#ifndef linux
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char *getenv(), *malloc(), *mktemp();
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#endif
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if (!(name = (char *) malloc((unsigned int)MAXPATHLEN)))
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return(NULL);
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if (f = getenv("TMPDIR")) {
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(void)sprintf(name, "%s/%sXXXXXX", f, pfx ? "" : pfx);
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if (f = mktemp(name))
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return(f);
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}
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if (dir) {
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(void)sprintf(name, "%s/%sXXXXXX", dir, pfx ? "" : pfx);
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if (f = mktemp(name))
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return(f);
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}
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(void)sprintf(name, "%s/%sXXXXXX", P_tmpdir, pfx ? "" : pfx);
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if (f = mktemp(name))
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return(f);
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(void)sprintf(name, "/tmp/%sXXXXXX", pfx ? "" : pfx);
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if (!(f = mktemp(name)))
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(void)free(name);
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return(f);
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}
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FILE *
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tmpfile()
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{
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FILE *fp;
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char *f;
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if (!(f = tmpnam((char *)NULL)) || !(fp = fopen(f, "w+"))) {
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fprintf(stderr, "tmpfile: cannot open %s.\n", f);
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return(NULL);
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}
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(void)unlink(f);
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return(fp);
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}
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