2 * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 #include "got_compat.h"
24 #include "got_opentemp.h"
25 #include "got_error.h"
33 if (strlcpy(name, GOT_TMPDIR_STR "/got.XXXXXXXXXX", sizeof(name))
39 if (unlink(name) == -1) {
53 fd = got_opentempfd();
66 const struct got_error *
67 got_opentemp_named(char **path, FILE **outfile, const char *basepath,
70 const struct got_error *err = NULL;
75 if (asprintf(path, "%s-XXXXXXXXXX%s", basepath, suffix) == -1) {
77 return got_error_from_errno("asprintf");
80 fd = mkstemps(*path, strlen(suffix));
82 err = got_error_from_errno2("mkstemps", *path);
88 *outfile = fdopen(fd, "w+");
89 if (*outfile == NULL) {
90 err = got_error_from_errno2("fdopen", *path);
99 const struct got_error *
100 got_opentemp_named_fd(char **path, int *outfd, const char *basepath,
103 const struct got_error *err = NULL;
108 if (asprintf(path, "%s-XXXXXXXXXX%s", basepath, suffix) == -1) {
110 return got_error_from_errno("asprintf");
113 fd = mkstemps(*path, strlen(suffix));
115 err = got_error_from_errno("mkstemp");
125 const struct got_error *
126 got_opentemp_truncate(FILE *f)
128 if (fpurge(f) == EOF)
129 return got_error_from_errno("fpurge");
130 if (ftruncate(fileno(f), 0L) == -1)
131 return got_error_from_errno("ftruncate");
132 if (fseeko(f, 0L, SEEK_SET) == -1)
133 return got_error_from_errno("fseeko");
137 const struct got_error *
138 got_opentemp_truncatefd(int fd)
140 if (ftruncate(fd, 0L) == -1)
141 return got_error_from_errno("ftruncate");
142 if (lseek(fd, 0L, SEEK_SET) == -1)
143 return got_error_from_errno("lseek");