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Diffstat (limited to 'base/bin/slackwareutils/mktemp.c')
| -rw-r--r-- | base/bin/slackwareutils/mktemp.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/base/bin/slackwareutils/mktemp.c b/base/bin/slackwareutils/mktemp.c new file mode 100644 index 0000000..25c1563 --- /dev/null +++ b/base/bin/slackwareutils/mktemp.c @@ -0,0 +1,201 @@ +/* $OpenBSD: mktemp.c,v 1.6 2001/10/01 17:08:30 millert Exp $ */ + +/* + * Copyright (c) 1996, 2000, 2001 Todd C. Miller <Todd.Miller@courtesan.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL + * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* #include "config.h" */ + +#define HAVE_STDLIB_H 1 +#define HAVE_STRING_H 1 + +#include <stdio.h> +#include <unistd.h> +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif /* HAVE_STDLIB_H */ +#ifdef HAVE_STRING_H +# if !defined(STDC_HEADERS) && defined(HAVE_MEMORY_H) +# include <memory.h> +# endif +# include <string.h> +#else +# ifdef HAVE_STRINGS_H +# include <strings.h> +# endif /* HAVE_STRINGS_H */ +#endif /* HAVE_STRING_H */ +#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS) +#include <malloc.h> +#endif /* HAVE_MALLOC_H && !STDC_HEADERS */ +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif /* HAVE_UNISTD_H */ +#ifdef HAVE_PATHS_H +#include <paths.h> +#endif /* HAVE_PATHS_H */ +#include <errno.h> + +#ifndef _PATH_TMP +#define _PATH_TMP "/tmp" +#endif + +#ifdef HAVE_PROGNAME +extern char *__progname; +#else +char *__progname; +#endif + +void usage __P((void)) __attribute__((__noreturn__)); + +int +main(argc, argv) + int argc; + char **argv; +{ + int ch, fd, uflag = 0, quiet = 0, tflag = 0, makedir = 0; + char *cp, *template, *tempfile, *prefix = _PATH_TMP; + size_t plen; + extern char *optarg; + extern int optind; + +#ifndef HAVE_PROGNAME + __progname = argv[0]; +#endif + + while ((ch = getopt(argc, argv, "dp:qtuV")) != -1) + switch(ch) { + case 'd': + makedir = 1; + break; + case 'p': + prefix = optarg; + tflag = 1; + break; + case 'q': + quiet = 1; + break; + case 't': + tflag = 1; + break; + case 'u': + uflag = 1; + break; + case 'V': + printf("%s version debianutils-%s\n", __progname, "2.7"); + exit(0); + default: + usage(); + } + + /* If no template specified use a default one (implies -t mode) */ + switch (argc - optind) { + case 1: + template = argv[optind]; + break; + case 0: + template = "tmp.XXXXXX"; + tflag = 1; + break; + default: + usage(); + } + + if (tflag) { + if (strchr(template, '/')) { + if (!quiet) + (void)fprintf(stderr, + "%s: template must not contain directory separators in -t mode\n", __progname); + exit(1); + } + + cp = getenv("TMPDIR"); + if (cp != NULL && *cp != '\0') + prefix = cp; + plen = strlen(prefix); + while (plen != 0 && prefix[plen - 1] == '/') + plen--; + + tempfile = (char *)malloc(plen + 1 + strlen(template) + 1); + if (tempfile == NULL) { + if (!quiet) + (void)fprintf(stderr, + "%s: cannot allocate memory\n", __progname); + exit(1); + } + (void)memcpy(tempfile, prefix, plen); + tempfile[plen] = '/'; + (void)strcpy(tempfile + plen + 1, template); /* SAFE */ + } else { + if ((tempfile = strdup(template)) == NULL) { + if (!quiet) + (void)fprintf(stderr, + "%s: cannot allocate memory\n", __progname); + exit(1); + } + } + + if (makedir) { + if (mkdtemp(tempfile) == NULL) { + if (!quiet) { + (void)fprintf(stderr, + "%s: cannot make temp dir %s: %s\n", + __progname, tempfile, strerror(errno)); + } + exit(1); + } + + if (uflag) + (void)rmdir(tempfile); + } else { + if ((fd = mkstemp(tempfile)) < 0) { + if (!quiet) { + (void)fprintf(stderr, + "%s: cannot create temp file %s: %s\n", + __progname, tempfile, strerror(errno)); + } + exit(1); + } + (void)close(fd); + + if (uflag) + (void)unlink(tempfile); + } + + (void)puts(tempfile); + free(tempfile); + + exit(0); +} + +void +usage() +{ + + (void)fprintf(stderr, + "Usage: %s [-V] | [-dqtu] [-p prefix] [template]\n", + __progname); + exit(1); +} |