refactor and add su

1 files changed, 19 insertions, 2 deletions

diff --git a/lib/buffer.c b/lib/buffer.c
index 2bee94b..cad286a 100644
--- a/lib/buffer.c
+++ b/lib/buffer.c
@@ -1,5 +1,4 @@
-#include "buffer.h"
-#include "convert.h"
+#include "lslib.h"
 
 #include <limits.h>
 #include <string.h>
@@ -58,3 +57,21 @@ void pop_path_buffer_2(int i) {
 bool is_dot_dir(const char* path) {
     return streql(path, ".") || streql(path, "..");
 }
+
+const char* get_last_component(const char* path) {
+    const char* last;
+    char c;
+
+    last = NULL;
+
+    while (c = *path, true) {
+        if (c == '\\') {
+            last = path;
+        } else if (c == '\0') {
+            break;
+        }
+        path++;
+    }
+
+    return last;
+}