static const char *add_slash(const char *path)
{
- int len = strlen(path);
+ size_t len = strlen(path);
if (path[len - 1] != '/') {
- char *with_slash = xmalloc(len + 2);
+ char *with_slash = xmalloc(st_add(len, 2));
memcpy(with_slash, path, len);
with_slash[len++] = '/';
with_slash[len] = 0;