diff options
author | Tobias Stoeckmann <tobias@cvs.openbsd.org> | 2014-11-25 10:22:09 +0000 |
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committer | Tobias Stoeckmann <tobias@cvs.openbsd.org> | 2014-11-25 10:22:09 +0000 |
commit | 9a6bf60fe3df67f9d584f6355cb46e8a966d2898 (patch) | |
tree | ec12b94fff5a6564c759b7b91951a4163671701e /usr.bin/patch/inp.c | |
parent | e3f36286d957c6c2a14bc2f9bb07bf3581d1b4d3 (diff) |
Prevent null pointer dereference on empty input files when diff requires
a specific version.
ok millert
Diffstat (limited to 'usr.bin/patch/inp.c')
-rw-r--r-- | usr.bin/patch/inp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.bin/patch/inp.c b/usr.bin/patch/inp.c index eddf723474d..760a9b307df 100644 --- a/usr.bin/patch/inp.c +++ b/usr.bin/patch/inp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: inp.c,v 1.40 2014/11/22 15:49:28 tobias Exp $ */ +/* $OpenBSD: inp.c,v 1.41 2014/11/25 10:22:08 tobias Exp $ */ /* * patch - a program to apply diffs to original files @@ -303,7 +303,7 @@ plan_a(const char *filename) /* now check for revision, if any */ if (revision != NULL) { - if (!rev_in_string(i_womp)) { + if (i_womp == NULL || !rev_in_string(i_womp)) { if (force) { if (verbose) say("Warning: this file doesn't appear " |