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-rw-r--r--path.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/path.c b/path.c
index 7b385e5..853e716 100644
--- a/path.c
+++ b/path.c
@@ -1218,11 +1218,15 @@ int longest_ancestor_length(const char *path, struct string_list *prefixes)
const char *ceil = prefixes->items[i].string;
int len = strlen(ceil);
- if (len == 1 && ceil[0] == '/')
- len = 0; /* root matches anything, with length 0 */
- else if (!strncmp(path, ceil, len) && path[len] == '/')
- ; /* match of length len */
- else
+ /*
+ * For root directories (`/`, `C:/`, `//server/share/`)
+ * adjust the length to exclude the trailing slash.
+ */
+ if (len > 0 && ceil[len - 1] == '/')
+ len--;
+
+ if (strncmp(path, ceil, len) ||
+ path[len] != '/' || !path[len + 1])
continue; /* no match */
if (len > max_len)