179 lines
3.6 KiB
C
179 lines
3.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/***************************************************************************
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* Copyright (C) 2004, 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* Copyright (C) 2007,2008 Øyvind Harboe *
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* oyvind.harboe@zylin.com *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "configuration.h"
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#include "log.h"
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#include "replacements.h"
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static size_t num_config_files;
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static char **config_file_names;
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static size_t num_script_dirs;
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static char **script_search_dirs;
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void add_script_search_dir(const char *dir)
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{
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num_script_dirs++;
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script_search_dirs = realloc(script_search_dirs, (num_script_dirs + 1) * sizeof(char *));
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script_search_dirs[num_script_dirs-1] = strdup(dir);
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script_search_dirs[num_script_dirs] = NULL;
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LOG_DEBUG("adding %s", dir);
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}
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void add_config_command(const char *cfg)
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{
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num_config_files++;
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config_file_names = realloc(config_file_names, (num_config_files + 1) * sizeof(char *));
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config_file_names[num_config_files-1] = strdup(cfg);
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config_file_names[num_config_files] = NULL;
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}
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void free_config(void)
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{
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while (num_config_files)
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free(config_file_names[--num_config_files]);
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free(config_file_names);
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config_file_names = NULL;
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while (num_script_dirs)
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free(script_search_dirs[--num_script_dirs]);
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free(script_search_dirs);
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script_search_dirs = NULL;
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}
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/* return full path or NULL according to search rules */
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char *find_file(const char *file)
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{
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FILE *fp = NULL;
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char **search_dirs = script_search_dirs;
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char *dir;
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char const *mode = "r";
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char *full_path;
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/* Check absolute and relative to current working dir first.
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* This keeps full_path reporting belowing working. */
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full_path = alloc_printf("%s", file);
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fp = fopen(full_path, mode);
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while (!fp) {
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free(full_path);
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full_path = NULL;
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dir = *search_dirs++;
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if (!dir)
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break;
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full_path = alloc_printf("%s/%s", dir, file);
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fp = fopen(full_path, mode);
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}
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if (fp) {
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fclose(fp);
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LOG_DEBUG("found %s", full_path);
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return full_path;
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}
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free(full_path);
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return NULL;
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}
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FILE *open_file_from_path(const char *file, const char *mode)
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{
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if (mode[0] != 'r')
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return fopen(file, mode);
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else {
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char *full_path = find_file(file);
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if (!full_path)
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return NULL;
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FILE *fp = NULL;
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fp = fopen(full_path, mode);
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free(full_path);
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return fp;
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}
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}
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int parse_config_file(struct command_context *cmd_ctx)
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{
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int retval;
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char **cfg;
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if (!config_file_names) {
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command_run_line(cmd_ctx, "script openocd.cfg");
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return ERROR_OK;
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}
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cfg = config_file_names;
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while (*cfg) {
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retval = command_run_line(cmd_ctx, *cfg);
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if (retval != ERROR_OK)
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return retval;
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cfg++;
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}
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return ERROR_OK;
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}
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#ifndef _WIN32
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#include <pwd.h>
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#endif
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char *get_home_dir(const char *append_path)
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{
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#ifdef _WIN32
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char homepath[MAX_PATH];
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#endif
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char *home = getenv("HOME");
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if (!home) {
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#ifdef _WIN32
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home = getenv("USERPROFILE");
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if (!home) {
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char *drive = getenv("HOMEDRIVE");
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char *path = getenv("HOMEPATH");
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if (drive && path) {
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snprintf(homepath, MAX_PATH, "%s/%s", drive, path);
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home = homepath;
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}
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}
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#else
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struct passwd *pwd = getpwuid(getuid());
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if (pwd)
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home = pwd->pw_dir;
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#endif
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}
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if (!home)
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return home;
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char *home_path;
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if (append_path)
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home_path = alloc_printf("%s/%s", home, append_path);
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else
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home_path = alloc_printf("%s", home);
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return home_path;
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}
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