smb: apple fixes for strlcpy

Author: cscd98

libretro-common/vfs/vfs_implementation_smb.c

@@ -280,7 +280,7 @@ static bool smb_build_path(char *dest, size_t dest_size, const char *relative_pa
    if (!string_is_empty(settings->arrays.smb_client_subdir))
    {
       strlcpy(temp_path, settings->arrays.smb_client_subdir, sizeof(temp_path));
-      if (temp_path[strlen(temp_path) - 1] != '/')
+      if (temp_path[0] != '\0' && temp_path[strlen(temp_path) - 1] != '/')
          strlcat(temp_path, "/", sizeof(temp_path));
    }
 
@@ -331,7 +331,7 @@ bool retro_vfs_file_open_smb(libretro_vfs_implementation_file *stream,
 
    /* Strip leading slash ONLY for non-empty subpaths */
    if (full_path[0] == '/' && full_path[1] != '\0')
-      strlcpy(full_path, full_path + 1, sizeof(full_path));
+      memmove(full_path, full_path + 1, strlen(full_path));
 
    /* Do not treat empty string as a file path */
    if (full_path[0] == '\0')
@@ -527,7 +527,7 @@ smb_dir_handle* retro_vfs_opendir_smb(const char *path, bool include_hidden)
    /* If we have a leading slash AND a non-empty remainder, strip it.
     * Do NOT convert empty string to "." — root listing worked with "" */
    if (full_path[0] == '/' && full_path[1] != '\0')
-      strlcpy(full_path, full_path + 1, sizeof(full_path));
+      memmove(full_path, full_path + 1, strlen(full_path));
 
    smb_context = get_smb_context();
    if (!smb_context)
@@ -617,7 +617,7 @@ int retro_vfs_stat_smb(const char *path, int32_t *size)
 
    /* Strip leading slash safely (preserve NULL terminator) */
    if (rel_path[0] == '/' && rel_path[1] != '\0')
-      strlcpy(rel_path, rel_path + 1, sizeof(rel_path));
+      memmove(rel_path, rel_path + 1, strlen(rel_path));
 
    smb_context = get_smb_context();
    if (!smb_context)