From a78762e786bd21d6fc855e23bf87036369582316 Mon Sep 17 00:00:00 2001
From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Fri, 27 Jun 2008 06:20:41 +0000
Subject: [PATCH] export find_file function

git-svn-id: svn://svn.berlios.de/openocd/trunk@732 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
 src/helper/configuration.c | 34 ++++++++++++++++++++++++----------
 src/helper/configuration.h |  1 +
 2 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/src/helper/configuration.c b/src/helper/configuration.c
index 2d84d9e60..68c863f32 100644
--- a/src/helper/configuration.c
+++ b/src/helper/configuration.c
@@ -54,17 +54,13 @@ void add_config_file_name (const char *cfg)
 	config_file_names[num_config_files] = NULL;
 }
 
-FILE *open_file_from_path (char *file, char *mode)
+/* return full path or NULL according to search rules */
+char *find_file(char *file)
 {
-	if (mode[0]!='r')
-	{
-		return fopen(file, mode);
-	} else
-	{
-		
 	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.
@@ -82,11 +78,29 @@ FILE *open_file_from_path (char *file, char *mode)
 		snprintf(full_path, 1024, "%s/%s", dir, file);
 		fp = fopen(full_path, mode);
 	}
-
+	
 	if (fp)
-		LOG_DEBUG("opened %s", full_path);
+	{
+		fclose(fp);
+		LOG_DEBUG("found %s", full_path);
+		return strdup(full_path);
+	}
+	return NULL;
+}
 
-	return fp;
+
+FILE *open_file_from_path (char *file, char *mode)
+{
+	if (mode[0]!='r')
+	{
+		return fopen(file, mode);
+	} else
+	{
+		char *full_path=find_file(file);
+		FILE *fp = NULL;
+		fp = fopen(full_path, mode);
+		free(full_path);
+		return fp;
 	}
 }
 
diff --git a/src/helper/configuration.h b/src/helper/configuration.h
index ff802758f..d2e30e77d 100644
--- a/src/helper/configuration.h
+++ b/src/helper/configuration.h
@@ -29,5 +29,6 @@ extern void add_config_file_name (const char *cfg);
 extern void add_script_search_dir (const char *dir);
 extern int configuration_output_handler(struct command_context_s *context, char* line);
 extern FILE *open_file_from_path (char *file, char *mode);
+extern char *find_file(char *name);
 
 #endif /* CONFIGURATION_H */