X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Flog.c;fp=src%2Fhelper%2Flog.c;h=ae26df5a1cf7c3913141c9de16ec92aa23e1eee1;hp=8f48b928b5640791b1fd757be7d1150bdb24a742;hb=86d8c05eb68866297cbc1ec5f90d3d1634c69a1e;hpb=beb610555ad826dda874eee0428deeb1c00ac39d;ds=sidebyside

diff --git a/src/helper/log.c b/src/helper/log.c
index 8f48b928b5..ae26df5a1c 100644
--- a/src/helper/log.c
+++ b/src/helper/log.c
@@ -220,6 +220,15 @@ COMMAND_HANDLER(handle_debug_level_command)
 
 COMMAND_HANDLER(handle_log_output_command)
 {
+	if (CMD_ARGC == 0 || (CMD_ARGC == 1 && strcmp(CMD_ARGV[0], "default") == 0)) {
+		if (log_output != stderr && log_output != NULL) {
+			/* Close previous log file, if it was open and wasn't stderr. */
+			fclose(log_output);
+		}
+		log_output = stderr;
+		LOG_DEBUG("set log_output to default");
+		return ERROR_OK;
+	}
 	if (CMD_ARGC == 1) {
 		FILE *file = fopen(CMD_ARGV[0], "w");
 		if (file == NULL) {
@@ -231,9 +240,11 @@ COMMAND_HANDLER(handle_log_output_command)
 			fclose(log_output);
 		}
 		log_output = file;
+		LOG_DEBUG("set log_output to \"%s\"", CMD_ARGV[0]);
+		return ERROR_OK;
 	}
 
-	return ERROR_OK;
+	return ERROR_COMMAND_SYNTAX_ERROR;
 }
 
 static const struct command_registration log_command_handlers[] = {
@@ -242,7 +253,7 @@ static const struct command_registration log_command_handlers[] = {
 		.handler = handle_log_output_command,
 		.mode = COMMAND_ANY,
 		.help = "redirect logging to a file (default: stderr)",
-		.usage = "file_name",
+		.usage = "[file_name | \"default\"]",
 	},
 	{
 		.name = "debug_level",