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mktemp: make it more compatible with GNU coreutils 8.4

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-02-13 17:38:34 +01:00
parent 07cda2268a
commit 4ed3c52ce9
2 changed files with 36 additions and 24 deletions
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40
debianutils/mktemp.c
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@@ -31,6 +31,25 @@
* -p; else /tmp [deprecated]
*/
//usage:#define mktemp_trivial_usage
//usage: "[-dt] [-p DIR] [TEMPLATE]"
//usage:#define mktemp_full_usage "\n\n"
//usage: "Create a temporary file with name based on TEMPLATE and print its name.\n"
//usage: "TEMPLATE must end with XXXXXX (e.g. [/dir/]nameXXXXXX).\n"
//usage: "Without TEMPLATE, -t tmp.XXXXXX is assumed.\n"
//usage: "\nOptions:"
//usage: "\n -d Make directory, not file"
////usage: "\n -q Fail silently on errors" - we ignore this opt
//usage: "\n -t Prepend base directory name to TEMPLATE"
//usage: "\n -p DIR Use DIR as a base directory (implies -t)"
//usage: "\n"
//usage: "\nBase directory is: -p DIR, else $TMPDIR, else /tmp"
//usage:
//usage:#define mktemp_example_usage
//usage: "$ mktemp /tmp/temp.XXXXXX\n"
//usage: "/tmp/temp.mWiLjM\n"
//usage: "$ ls -la /tmp/temp.mWiLjM\n"
//usage: "-rw------- 1 andersen andersen 0 Apr 25 17:10 /tmp/temp.mWiLjM\n"
#include "libbb.h"
@@ -40,20 +59,33 @@ int mktemp_main(int argc UNUSED_PARAM, char **argv)
const char *path;
char *chp;
unsigned opts;
enum {
OPT_d = 1 << 0,
OPT_q = 1 << 1,
OPT_t = 1 << 2,
OPT_p = 1 << 3,
};
path = getenv("TMPDIR");
if (!path || path[0] == '\0')
path = "/tmp";
/* -q and -t are ignored */
/* -q is ignored */
opt_complementary = "?1"; /* 1 argument max */
opts = getopt32(argv, "dqtp:", &path);
chp = argv[optind] ? argv[optind] : xstrdup("tmp.XXXXXX");
if (!strchr(chp, '/') || (opts & 8))
chp = argv[optind];
if (!chp) {
/* GNU coreutils 8.4:
* bare "mktemp" -> "mktemp -t tmp.XXXXXX"
*/
chp = xstrdup("tmp.XXXXXX");
opts |= OPT_t;
}
if (opts & (OPT_t|OPT_p))
chp = concat_path_file(path, chp);
if (opts & 1) { /* -d */
if (opts & OPT_d) {
if (mkdtemp(chp) == NULL)
return EXIT_FAILURE;
} else {