bb_basename: handle mixed slashes correctly

A path like C:/WINDOWS\system32 was handled incorrectly: it found the
forward slash, and then never bothered to look whether there was another
(back-)slash later on.

This fixes e.g. running BusyBox as C:/test\sh.exe

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Ron Yorston <rmy@pobox.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/libbb/get_last_path_component.c b/libbb/get_last_path_component.c
index 15eb85ca8..3a9b9237e 100644
--- a/libbb/get_last_path_component.c
+++ b/libbb/get_last_path_component.c
@@ -10,11 +10,13 @@
 
 const char* FAST_FUNC bb_basename(const char *name)
 {
-        const char *cp = strrchr(name, '/');
-        if (cp)
-                return cp + 1;
 #if ENABLE_PLATFORM_MINGW32
-        cp = strrchr(name, '\\');
+        const char *cp;
+        for (cp = name; *cp; cp++)
+                if (*cp == '/' || *cp == '\\')
+                        name = cp + 1;
+#else
+        const char *cp = strrchr(name, '/');
         if (cp)
                 return cp + 1;
 #endif