diff options
| author | Sunil Nimmagadda <sunil@cvs.openbsd.org> | 2016-01-19 14:51:01 +0000 |
|---|---|---|
| committer | Sunil Nimmagadda <sunil@cvs.openbsd.org> | 2016-01-19 14:51:01 +0000 |
| commit | bd64d79564a467bde98ea6b968edea6d56ae95b7 (patch) | |
| tree | 32f46d2f339e0d819bcec3a11581742aaeb2232e | |
| parent | 5a7ff55cd1b3672c5fde9ca5cdfe45ebb93675fd (diff) | |
Bounds check while stripping trailing slashes. From max at
max-fillinger.net.
Ok lum@
| -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); |