Guard a test against wc that pads its output with whitespace

diff --git a/diffcore-pathspec.c b/diffcore-pathspec.c
index 7f18a6ca3c3b096c2e2a9c38716df259866a5458..139fe882f9f85575af297a2131cfac2888ae3c73 100644 (file)
--- a/diffcore-pathspec.c
+++ b/diffcore-pathspec.c
@@ -21,9 +21,15 @@ static int matches_pathspec(const char *name, struct path_spec *s, int cnt)
        namelen = strlen(name);
        for (i = 0; i < cnt; i++) {
                int len = s[i].len;
-               if (! strncmp(s[i].spec, name, len) &&
-                   len <= namelen &&
-                   (name[len] == 0 || name[len] == '/'))
+               if (namelen < len)
+                       continue;
+               if (memcmp(s[i].spec, name, len))
+                       continue;
+               if (s[i].spec[len-1] == '/' ||
+                   name[len] == 0 ||
+                   name[len] == '/')
+                       return 1;
+               if (!len)
                        return 1;
        }
        return 0;
@@ -42,14 +48,13 @@ void diffcore_pathspec(const char **pathspec)
        for (i = 0; pathspec[i]; i++)
                ;
        speccnt = i;
+       if (!speccnt)
+               return;
+
        spec = xmalloc(sizeof(*spec) * speccnt);
        for (i = 0; pathspec[i]; i++) {
-               int l;
                spec[i].spec = pathspec[i];
-               l = strlen(pathspec[i]);
-               while (l > 0 && pathspec[i][l-1] == '/')
-                       l--;
-               spec[i].len = l;
+               spec[i].len = strlen(pathspec[i]);
        }
 
        for (i = 0; i < q->nr; i++) {