diff options
| author |   sunil <sunil@openbsd.org> | 2016-01-19 14:51:00 +0000 |
|---|---|---|
| committer | sunil <sunil@openbsd.org> | 2016-01-19 14:51:00 +0000 |
| commit | c21829f47dd1f1372238b64dc193a39cacbe8267 (patch) | |
| tree | e9e56f088383fe5da279eaafbe6220d1a98b7d1e /usr.bin/mg/cscope.c | |
| parent | Bring code into line with man page and usage() by only allowing one (diff) | |
| download | wireguard-openbsd-c21829f47dd1f1372238b64dc193a39cacbe8267.tar.xz wireguard-openbsd-c21829f47dd1f1372238b64dc193a39cacbe8267.zip | |
Bounds check while stripping trailing slashes. From max at
max-fillinger.net.
Ok lum@
Diffstat (limited to 'usr.bin/mg/cscope.c')
| -rw-r--r-- | usr.bin/mg/cscope.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.bin/mg/cscope.c b/usr.bin/mg/cscope.c index 02fca962aa1..d84ec7faa1f 100644 --- a/usr.bin/mg/cscope.c +++ b/usr.bin/mg/cscope.c @@ -1,4 +1,4 @@ -/* $OpenBSD: cscope.c,v 1.15 2016/01/19 11:39:06 sunil Exp $ */ +/* $OpenBSD: cscope.c,v 1.16 2016/01/19 14:51:00 sunil Exp $ */ /* * This file is in the public domain. @@ -614,7 +614,7 @@ csexists(const char *cmd) continue; dlen = strlen(dir); - while (dir[dlen-1] == '/') + while (dlen > 0 && dir[dlen-1] == '/') dir[--dlen] = '\0'; /* strip trailing '/' */ len = snprintf(fname, sizeof(fname), "%s/%s", dir, cmd); |