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-rw-r--r--lib/dirname.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/dirname.c b/lib/dirname.c
index eddbe97a2..8651174ca 100644
--- a/lib/dirname.c
+++ b/lib/dirname.c
@@ -49,8 +49,10 @@ void *memrchr ();
#define BACKSLASH_IS_PATH_SEPARATOR ISSLASH ('\\')
-/* Return the length of the directory part of PATH.
- Set *RESULT to point to PATH or to `"."', as appropriate. */
+/* Return the length of `dirname (PATH)' and set *RESULT
+ to point to PATH or to `"."', as appropriate.
+ Works properly even if there are trailing slashes
+ (by effectively ignoring them). */
size_t
dir_name_r (const char *path, const char **result)
{