diff options
| author |   deraadt <deraadt@openbsd.org> | 1996-12-28 02:33:10 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 1996-12-28 02:33:10 +0000 |
| commit | 5cf55735242c985ac2bb63bb45a916eddaf36316 (patch) | |
| tree | 33e5e3b89c91d92b980394bb3fd824fc517b426d /lib/libc/stdio/tmpnam.c | |
| parent | suggest alternative in ld warn message (diff) | |
| download | wireguard-openbsd-5cf55735242c985ac2bb63bb45a916eddaf36316.tar.xz wireguard-openbsd-5cf55735242c985ac2bb63bb45a916eddaf36316.zip | |
95% of common uses of these are incorrect and insecure. correct use is
incredibly rare. Time for some education!
Diffstat (limited to 'lib/libc/stdio/tmpnam.c')
| -rw-r--r-- | lib/libc/stdio/tmpnam.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/libc/stdio/tmpnam.c b/lib/libc/stdio/tmpnam.c index dba536067b3..15f68b02d9e 100644 --- a/lib/libc/stdio/tmpnam.c +++ b/lib/libc/stdio/tmpnam.c @@ -35,7 +35,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: tmpnam.c,v 1.2 1996/08/19 08:33:10 tholo Exp $"; +static char rcsid[] = "$OpenBSD: tmpnam.c,v 1.3 1996/12/28 02:33:15 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -43,6 +43,11 @@ static char rcsid[] = "$OpenBSD: tmpnam.c,v 1.2 1996/08/19 08:33:10 tholo Exp $" #include <stdio.h> #include <unistd.h> +__warn_references(tmpnam, + "warning: tmpnam() possibly used unsafely; consider using mkstemp()"); + +extern char *_mktemp __P((char *)); + char * tmpnam(s) char *s; @@ -54,5 +59,5 @@ tmpnam(s) s = buf; (void)snprintf(s, L_tmpnam, "%stmp.%lu.XXXXXX", P_tmpdir, tmpcount); ++tmpcount; - return (mktemp(s)); + return (_mktemp(s)); } |