openocd: fix SPDX tag format for files .c

[fw/openocd] / src / helper / configuration.c

diff --git a/src/helper/configuration.c b/src/helper/configuration.c
index 2a278838dedb348baa987151c5df684df9889706..16732eb3dd9f187554d964957b30409f5abf597c 100644 (file)
--- a/src/helper/configuration.c
+++ b/src/helper/configuration.c
@@ -1,29 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
 /***************************************************************************
  *   Copyright (C) 2004, 2005 by Dominic Rath                              *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
  *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
 #include "configuration.h"
 #include "log.h"
+#include "replacements.h"
 
 static size_t num_config_files;
 static char **config_file_names;
@@ -51,6 +42,21 @@ void add_config_command(const char *cfg)
        config_file_names[num_config_files] = NULL;
 }
 
+void free_config(void)
+{
+       while (num_config_files)
+               free(config_file_names[--num_config_files]);
+
+       free(config_file_names);
+       config_file_names = NULL;
+
+       while (num_script_dirs)
+               free(script_search_dirs[--num_script_dirs]);
+
+       free(script_search_dirs);
+       script_search_dirs = NULL;
+}
+
 /* return full path or NULL according to search rules */
 char *find_file(const char *file)
 {
@@ -94,7 +100,7 @@ FILE *open_file_from_path(const char *file, const char *mode)
                return fopen(file, mode);
        else {
                char *full_path = find_file(file);
-               if (full_path == NULL)
+               if (!full_path)
                        return NULL;
                FILE *fp = NULL;
                fp = fopen(full_path, mode);
@@ -131,16 +137,18 @@ int parse_config_file(struct command_context *cmd_ctx)
 
 char *get_home_dir(const char *append_path)
 {
+#ifdef _WIN32
+       char homepath[MAX_PATH];
+#endif
+
        char *home = getenv("HOME");
 
-       if (home == NULL) {
+       if (!home) {
 
 #ifdef _WIN32
                home = getenv("USERPROFILE");
 
-               if (home == NULL) {
-
-                       char homepath[MAX_PATH];
+               if (!home) {
                        char *drive = getenv("HOMEDRIVE");
                        char *path = getenv("HOMEPATH");
                        if (drive && path) {
@@ -156,7 +164,7 @@ char *get_home_dir(const char *append_path)
 #endif
        }
 
-       if (home == NULL)
+       if (!home)
                return home;
 
        char *home_path;