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.
23 #include "got_opentemp.h"
24 #include "got_error.h"
32 if (strlcpy(name, GOT_TMPDIR_STR "/got.XXXXXXXXXX", sizeof(name))
38 if (unlink(name) == -1) {
52 fd = got_opentempfd();
65 const struct got_error *
66 got_opentemp_named(char **path, FILE **outfile, const char *basepath,
69 const struct got_error *err = NULL;
74 if (asprintf(path, "%s-XXXXXXXXXX%s", basepath, suffix) == -1) {
76 return got_error_from_errno("asprintf");
79 fd = mkstemps(*path, strlen(suffix));
81 err = got_error_from_errno2("mkstemps", *path);
87 *outfile = fdopen(fd, "w+");
88 if (*outfile == NULL) {
89 err = got_error_from_errno2("fdopen", *path);
98 const struct got_error *
99 got_opentemp_named_fd(char **path, int *outfd, const char *basepath,
102 const struct got_error *err = NULL;
107 if (asprintf(path, "%s-XXXXXXXXXX%s", basepath, suffix) == -1) {
109 return got_error_from_errno("asprintf");
112 fd = mkstemps(*path, strlen(suffix));
114 err = got_error_from_errno("mkstemp");
124 const struct got_error *
125 got_opentemp_truncate(FILE *f)
127 if (fpurge(f) == EOF)
128 return got_error_from_errno("fpurge");
129 if (ftruncate(fileno(f), 0L) == -1)
130 return got_error_from_errno("ftruncate");
131 if (fseeko(f, 0L, SEEK_SET) == -1)
132 return got_error_from_errno("fseeko");
136 const struct got_error *
137 got_opentemp_truncatefd(int fd)
139 if (ftruncate(fd, 0L) == -1)
140 return got_error_from_errno("ftruncate");
141 if (lseek(fd, 0L, SEEK_SET) == -1)
142 return got_error_from_errno("lseek");