X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=libbb%2Fget_last_path_component.c;h=0f602157d970ea177d32f8843b995027da4c1532;hb=d21f596ddb294bdb65623ba1d0e49b17d0829229;hp=31190972668dda1ea004d3cf19cd68e579d844d6;hpb=421d9e59416850968707dfec7a665cb0211b8d1c;p=oweals%2Fbusybox.git

diff --git a/libbb/get_last_path_component.c b/libbb/get_last_path_component.c
index 311909726..0f602157d 100644
--- a/libbb/get_last_path_component.c
+++ b/libbb/get_last_path_component.c
@@ -8,25 +8,35 @@
  */
 
 #include "libbb.h"
-
-char *bb_get_last_path_component(char *path)
+/*
+ * "/"        -> "/"
+ * "abc"      -> "abc"
+ * "abc/def"  -> "def"
+ * "abc/def/" -> ""
+ */
+char *bb_get_last_path_component_nostrip(const char *path)
 {
-	char *first = path;
-	char *last;
+	char *slash = strrchr(path, '/');
+
+	if (!slash || (slash == path && !slash[1]))
+		return (char*)path;
 
-	last = path - 1;
+	return slash + 1;
+}
 
-	while (*path) {
-		if ((*path != '/') && (path > ++last)) {
-			last = first = path;
-		}
-		++path;
-	}
+/*
+ * "/"        -> "/"
+ * "abc"      -> "abc"
+ * "abc/def"  -> "def"
+ * "abc/def/" -> "def" !!
+ */
+char *bb_get_last_path_component_strip(char *path)
+{
+	char *slash = last_char_is(path, '/');
 
-	if (*first == '/') {
-		last = first;
-	}
-	last[1] = 0;
+	if (slash)
+		while (*slash == '/' && slash != path)
+			*slash-- = '\0';
 
-	return first;
+	return bb_get_last_path_component_nostrip(path);
 }