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-rw-r--r--toys/lsb/mktemp.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/toys/lsb/mktemp.c b/toys/lsb/mktemp.c
index ae97e494..112f84c4 100644
--- a/toys/lsb/mktemp.c
+++ b/toys/lsb/mktemp.c
@@ -17,7 +17,7 @@ config MKTEMP
-d Create directory instead of file (--directory)
-p Put new file in DIR (--tmpdir)
-q Quiet, no error messages
- -t Prepend $TMPDIR or /tmp if unset
+ -t Prefer $TMPDIR > DIR > /tmp (default DIR > $TMPDIR > /tmp)
-u Don't create anything, just print what would be created
Each X in TEMPLATE is replaced with a random printable character. The
@@ -34,18 +34,28 @@ GLOBALS(
void mktemp_main(void)
{
char *template = *toys.optargs;
+ int use_dir = (toys.optflags & (FLAG_p|FLAG_t));
if (!template) {
- toys.optflags |= FLAG_t;
template = "tmp.XXXXXXXXXX";
+ use_dir = 1;
}
- if (!TT.p || (toys.optflags & FLAG_t)) TT.p = getenv("TMPDIR");
- if (!TT.p || !*TT.p) TT.p = "/tmp";
+ // Normally, the precedence is DIR (if set), $TMPDIR (if set), /tmp.
+ // With -t it's $TMPDIR, DIR, /tmp.
+ if (use_dir) {
+ char *tmpdir = getenv("TMPDIR");
+
+ if (toys.optflags & FLAG_t) {
+ if (tmpdir && *tmpdir) TT.p = tmpdir;
+ } else {
+ if (!TT.p || !*TT.p) TT.p = tmpdir;
+ }
+ if (!TT.p || !*TT.p) TT.p = "/tmp";
+ }
// TODO: coreutils cleans paths, so -p /t/// would result in /t/xxx...
- template = (strchr(template, '/') || !(toys.optflags & (FLAG_p|FLAG_t)))
- ? xstrdup(template) : xmprintf("%s/%s", TT.p, template);
+ template = use_dir ? xmprintf("%s/%s", TT.p, template) : xstrdup(template);
if (toys.optflags & FLAG_u) {
xputs(mktemp(template));