- minor shrinkage

diff --git a/coreutils/diff.c b/coreutils/diff.c
index 7a9f8c7dddb46776fd2e49dd23b610352daa803f..2ed26babe83c7592985bd190d2d52e4b330d803d 100644 (file)
--- a/coreutils/diff.c
+++ b/coreutils/diff.c
@@ -1105,10 +1105,12 @@ static void diffdir(char *p1, char *p2)
 
        /* Check for trailing slashes. */
 
-       if (p1[strlen(p1) - 1] == '/')
-               p1[strlen(p1) - 1] = '\0';
-       if (p2[strlen(p2) - 1] == '/')
-               p2[strlen(p2) - 1] = '\0';
+       dp1 = last_char_is(p1, '/');
+       if (dp1 != NULL)
+               *dp1 = '\0';
+       dp2 = last_char_is(p2, '/');
+       if (dp2 != NULL)
+               *dp2 = '\0';
 
        /* Get directory listings for p1 and p2. */