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// 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 *
***************************************************************************/
#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;
static size_t num_script_dirs;
static char **script_search_dirs;
void add_script_search_dir(const char *dir)
{
num_script_dirs++;
script_search_dirs = realloc(script_search_dirs, (num_script_dirs + 1) * sizeof(char *));
script_search_dirs[num_script_dirs-1] = strdup(dir);
script_search_dirs[num_script_dirs] = NULL;
LOG_DEBUG("adding %s", dir);
}
void add_config_command(const char *cfg)
{
num_config_files++;
config_file_names = realloc(config_file_names, (num_config_files + 1) * sizeof(char *));
config_file_names[num_config_files-1] = strdup(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)
{
FILE *fp = NULL;
char **search_dirs = script_search_dirs;
char *dir;
char const *mode = "r";
char *full_path;
/* Check absolute and relative to current working dir first.
* This keeps full_path reporting belowing working. */
full_path = alloc_printf("%s", file);
fp = fopen(full_path, mode);
while (!fp) {
free(full_path);
full_path = NULL;
dir = *search_dirs++;
if (!dir)
break;
full_path = alloc_printf("%s/%s", dir, file);
fp = fopen(full_path, mode);
}
if (fp) {
fclose(fp);
LOG_DEBUG("found %s", full_path);
return full_path;
}
free(full_path);
return NULL;
}
FILE *open_file_from_path(const char *file, const char *mode)
{
if (mode[0] != 'r')
return fopen(file, mode);
else {
char *full_path = find_file(file);
if (!full_path)
return NULL;
FILE *fp = NULL;
fp = fopen(full_path, mode);
free(full_path);
return fp;
}
}
int parse_config_file(struct command_context *cmd_ctx)
{
int retval;
char **cfg;
if (!config_file_names) {
command_run_line(cmd_ctx, "script openocd.cfg");
return ERROR_OK;
}
cfg = config_file_names;
while (*cfg) {
retval = command_run_line(cmd_ctx, *cfg);
if (retval != ERROR_OK)
return retval;
cfg++;
}
return ERROR_OK;
}
#ifndef _WIN32
#include <pwd.h>
#endif
char *get_home_dir(const char *append_path)
{
#ifdef _WIN32
char homepath[MAX_PATH];
#endif
char *home = getenv("HOME");
if (!home) {
#ifdef _WIN32
home = getenv("USERPROFILE");
if (!home) {
char *drive = getenv("HOMEDRIVE");
char *path = getenv("HOMEPATH");
if (drive && path) {
snprintf(homepath, MAX_PATH, "%s/%s", drive, path);
home = homepath;
}
}
#else
struct passwd *pwd = getpwuid(getuid());
if (pwd)
home = pwd->pw_dir;
#endif
}
if (!home)
return home;
char *home_path;
if (append_path)
home_path = alloc_printf("%s/%s", home, append_path);
else
home_path = alloc_printf("%s", home);
return home_path;
}