fix panic for directory tracking,donot known why ,it would panic on my mac when I change directory.

1 files changed, 4 insertions, 5 deletions

diff --git a/vterm-module.c b/vterm-module.c
index 21ace5f..7565721 100644
--- a/vterm-module.c
+++ b/vterm-module.c
@@ -652,12 +652,11 @@ static int osc_callback(const char *command, size_t cmdlen, void *user)
   buffer[cmdlen] = '\0';
   memcpy(buffer, command, cmdlen);
 
-  if (term->directory != NULL) {
-    free(term->directory);
-    term->directory = NULL;
-  }
-
   if (cmdlen > 3 && buffer[0] == '5' && buffer[1] == '1' && buffer[2] == ';') {
+    if (term->directory != NULL) {
+      free(term->directory);
+      term->directory = NULL;
+    }
     term->directory = malloc(cmdlen - 3 + 1);
     strcpy(term->directory, &buffer[3]);
     term->directory_changed = true;