diff options
Diffstat (limited to 'lib/libc/stdio/tmpfile.c')
| -rw-r--r-- | lib/libc/stdio/tmpfile.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/lib/libc/stdio/tmpfile.c b/lib/libc/stdio/tmpfile.c index e3e296b..5aabe03 100644 --- a/lib/libc/stdio/tmpfile.c +++ b/lib/libc/stdio/tmpfile.c @@ -46,6 +46,7 @@ static char sccsid[] = "@(#)tmpfile.c 8.1 (Berkeley) 6/4/93"; #include <unistd.h> #include <errno.h> #include <stdio.h> +#include <stdlib.h> #include <string.h> #include <paths.h> #include "un-namespace.h" @@ -57,10 +58,17 @@ tmpfile() FILE *fp; int fd, sverrno; #define TRAILER "tmp.XXXXXX" - char buf[sizeof(_PATH_TMP) + sizeof(TRAILER)]; + char *buf; + const char *tmpdir; - (void)memcpy(buf, _PATH_TMP, sizeof(_PATH_TMP) - 1); - (void)memcpy(buf + sizeof(_PATH_TMP) - 1, TRAILER, sizeof(TRAILER)); + tmpdir = getenv("TMPDIR"); + if (tmpdir == NULL) + tmpdir = _PATH_TMP; + + (void)asprintf(&buf, "%s%s%s", tmpdir, + (tmpdir[strlen(tmpdir) - 1] == '/') ? "" : "/", TRAILER); + if (buf == NULL) + return (NULL); sigfillset(&set); (void)_sigprocmask(SIG_BLOCK, &set, &oset); @@ -69,6 +77,8 @@ tmpfile() if (fd != -1) (void)unlink(buf); + free(buf); + (void)_sigprocmask(SIG_SETMASK, &oset, NULL); if (fd == -1) |
