X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Fconfiguration.c;h=3c44d6d470077703ae93efe5224c49d4cef15d0d;hp=e59ca6d1fb4e27c0b676d17386812cd6154cef03;hb=8b994145b849c40b0a195c3fb332b9770b2f9097;hpb=8b4e882a1630d63bbc9840fa3f968e36b6ac3702

diff --git a/src/helper/configuration.c b/src/helper/configuration.c
index e59ca6d1fb..3c44d6d470 100644
--- a/src/helper/configuration.c
+++ b/src/helper/configuration.c
@@ -2,6 +2,9 @@
  *   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     *
@@ -18,114 +21,105 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#include "config.h"
 #endif
 
-#include "types.h"
-#include "command.h"
 #include "configuration.h"
 #include "log.h"
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
 
-char* config_file_name;
+static size_t num_config_files;
+static char** config_file_names;
 
-static int help_flag;
+static size_t num_script_dirs;
+static char** script_search_dirs;
 
-static struct option long_options[] =
+void add_script_search_dir (const char *dir)
 {
-	{"help",			no_argument,	&help_flag, 1},
+	num_script_dirs++;
+	script_search_dirs = (char **)realloc(script_search_dirs, (num_script_dirs + 1) * sizeof (char *));
 
-	{"debug",			optional_argument,	0, 'd'},
-	{"file", 			required_argument,	0, 'f'},
-	{"log_output",		required_argument,	0, 'l'},
-	
-	{0, 0, 0, 0}
-};
+	script_search_dirs[num_script_dirs-1] = strdup(dir);
+	script_search_dirs[num_script_dirs] = NULL;
+}
 
-int configuration_output_handler(struct command_context_s *context, char* line)
+void add_config_command (const char *cfg)
 {
-	INFO(line);
-	
-	return ERROR_OK;
+	num_config_files++;
+	config_file_names = (char **)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;
 }
 
-int parse_cmdline_args(struct command_context_s *cmd_ctx, int argc, char *argv[])
+/* return full path or NULL according to search rules */
+char *find_file(const char *file)
 {
-	int c;
-	char command_buffer[128];
-			
-	while (1)
-	{	
-		/* getopt_long stores the option index here. */
-		int option_index = 0;
-		
-		c = getopt_long(argc, argv, "hd::l:f:", long_options, &option_index);
-		
-		/* Detect the end of the options. */
-		if (c == -1)
+	FILE *fp = NULL;
+	char **search_dirs = script_search_dirs;
+	char *dir;
+	char const *mode="r";
+	char full_path[1024];
+
+	/* Check absolute and relative to current working dir first.
+	 * This keeps full_path reporting belowing working. */
+	snprintf(full_path, 1024, "%s", file);
+	fp = fopen(full_path, mode);
+
+	while (!fp)
+	{
+		dir = *search_dirs++;
+
+		if (!dir)
 			break;
-		
-		switch (c)
-		{
-			case 0:
-				break;
-			case 'h':	/* --help | -h */
-				help_flag = 1;
-				break;
-			case 'f':	/* --file | -f */
-				config_file_name = optarg;
-				break;
-			case 'd':	/* --debug | -d */
-				if (optarg)
-					snprintf(command_buffer, 128, "debug_level %s", optarg);
-				else
-					snprintf(command_buffer, 128, "debug_level 3");
-				command_run_line(cmd_ctx, command_buffer);
-				break;
-			case 'l':	/* --log_output | -l */
-				if (optarg)
-				{
-					snprintf(command_buffer, 128, "log_output %s", optarg);
-					command_run_line(cmd_ctx, command_buffer);
-				}	
-				break;
-		}
+
+		snprintf(full_path, 1024, "%s/%s", dir, file);
+		fp = fopen(full_path, mode);
 	}
 
-	if (help_flag)
+	if (fp)
 	{
-		printf("Open On-Chip Debugger\n(c) 2005 by Dominic Rath\n\n");
-		printf("--help       | -h\tdisplay this help\n");
-		printf("--file       | -f\tuse configuration file <name>\n");
-		printf("--debug      | -d\tset debug level <0-3>\n");
-		printf("--log_output | -l\tredirect log output to file <name>\n");
-		exit(-1);
-	}	
+		fclose(fp);
+		LOG_DEBUG("found %s", full_path);
+		return strdup(full_path);
+	}
+	return NULL;
+}
 
-	return ERROR_OK;
+FILE *open_file_from_path (char *file, char *mode)
+{
+	if (mode[0]!='r')
+	{
+		return fopen(file, mode);
+	} else
+	{
+		char *full_path = find_file(file);
+		if (full_path == NULL)
+			return NULL;
+		FILE *fp = NULL;
+		fp = fopen(full_path, mode);
+		free(full_path);
+		return fp;
+	}
 }
 
 int parse_config_file(struct command_context_s *cmd_ctx)
 {
-	FILE *config_file;
+	int retval;
+	char **cfg;
 
-	if (!config_file_name)
-		config_file_name = "openocd.cfg";
+	if (!config_file_names)
+		add_config_command ("script openocd.cfg");
 
-	config_file = fopen(config_file_name, "r");
-	if (!config_file)
+	cfg = config_file_names;
+
+	while (*cfg)
 	{
-		ERROR("couldn't open config file");
-		return ERROR_NO_CONFIG_FILE;
+		retval = command_run_line(cmd_ctx, *cfg);
+		if (retval != ERROR_OK)
+			return retval;
+		cfg++;
 	}
 
-	command_run_file(cmd_ctx, config_file, COMMAND_CONFIG);
-
-	fclose(config_file);
-
 	return ERROR_OK;
 }
-