sfm

commit b9d026726544ac0e95e942f61b5aa10b16deb0a7
parent aadc7c4c101dad3faf029a3afe9c27a37a590576
Author: afify <hassan@afify.dev>
Date:   Sat, 10 Apr 2021 02:24:47 +0300

[ref] mvbk() return if cwd is /

- replace strlen with strnlen
- early return if cwd is /

Diffstat:
M
sfm.c
 | 
9
++++++---

1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/sfm.c b/sfm.c
@@ -392,15 +392,14 @@ sort_name(const void *const A, const void *const B)
 	}
 }
 
-
 static void
 get_dirp(char *cdir)
 {
 	int counter, len, i;
 
 	counter = 0;
-	len = strlen(cdir);
-	if (len ==1)
+	len = strnlen(cdir, MAX_P);
+	if (len == 1)
 		return;
 
 	for (i = len - 1; i > 1; i--) {
@@ -780,6 +779,10 @@ delfd(void)
 static void
 mvbk(void)
 {
+	if (cpane->dirn[0] == '/' && cpane->dirn[1] == '\0') { /* cwd = / */
+		return;
+	}
+
 	get_dirp(cpane->dirn);
 	if (check_dir(cpane->dirn) < 0) {
 		print_error(strerror(errno));