diff options
Diffstat (limited to 'util/sbase/mktemp.c')
-rw-r--r-- | util/sbase/mktemp.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/util/sbase/mktemp.c b/util/sbase/mktemp.c new file mode 100644 index 00000000..a3076ba2 --- /dev/null +++ b/util/sbase/mktemp.c @@ -0,0 +1,92 @@ +/* See LICENSE file for copyright and license details. */ +#include <libgen.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "util.h" + +static void +usage(void) +{ + eprintf("usage: %s [-dqtu] [-p directory] [template]\n", argv0); +} + +int +main(int argc, char *argv[]) +{ + int dflag = 0, pflag = 0, qflag = 0, tflag = 0, uflag = 0, fd; + char *template = "tmp.XXXXXXXXXX", *tmpdir = "", *pdir, + *p, path[PATH_MAX], tmp[PATH_MAX]; + size_t len; + + ARGBEGIN { + case 'd': + dflag = 1; + break; + case 'p': + pflag = 1; + pdir = EARGF(usage()); + break; + case 'q': + qflag = 1; + break; + case 't': + tflag = 1; + break; + case 'u': + uflag = 1; + break; + default: + usage(); + } ARGEND + + if (argc > 1) + usage(); + else if (argc == 1) + template = argv[0]; + + if (!argc || pflag || tflag) { + if ((p = getenv("TMPDIR"))) + tmpdir = p; + else if (pflag) + tmpdir = pdir; + else + tmpdir = "/tmp"; + } + + len = estrlcpy(path, tmpdir, sizeof(path)); + if (path[0] && path[len - 1] != '/') + estrlcat(path, "/", sizeof(path)); + + estrlcpy(tmp, template, sizeof(tmp)); + p = dirname(tmp); + if (!(p[0] == '.' && p[1] == '\0')) { + if (tflag && !pflag) + eprintf("template must not contain directory separators in -t mode\n"); + } + estrlcat(path, template, sizeof(path)); + + if (dflag) { + if (!mkdtemp(path)) { + if (!qflag) + eprintf("mkdtemp %s:", path); + return 1; + } + } else { + if ((fd = mkstemp(path)) < 0) { + if (!qflag) + eprintf("mkstemp %s:", path); + return 1; + } + if (close(fd)) + eprintf("close %s:", path); + } + if (uflag) + unlink(path); + puts(path); + + efshut(stdout, "<stdout>"); + return 0; +} |