From: Ben Pfaff <blp@cs.stanford.edu>
Date: Fri, 29 Oct 2004 04:29:29 +0000 (+0000)
Subject: Fix bug in strlcpy() that could cause reading too much data from the
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4d6e7520acd99ae0e231d3cfce5e72402e1cdf72;p=pintos-anon

Fix bug in strlcpy() that could cause reading too much data from the
source string.  Thanks to Jim Chow for reporting the bug and providing
the fix.
---

diff --git a/src/lib/string.c b/src/lib/string.c
index 8971fae..89fa1f0 100644
--- a/src/lib/string.c
+++ b/src/lib/string.c
@@ -339,7 +339,7 @@ strlcpy (char *dst, const char *src, size_t size)
     {
       size_t dst_len = size - 1;
       if (src_len < dst_len)
-        src_len = dst_len;
+        dst_len = src_len;
       memcpy (dst, src, dst_len);
       dst[dst_len] = '\0';
     }