X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fhelper%2Flog.c;h=f9807747b5f4f780743e2d871f9ace0022b2cb18;hp=e7af803c92c7c8ab1fcf035bfbccf560dda1abb7;hb=8f47a09cc55a1d2030b7d0df11668b6cb4f2a905;hpb=3c8832fe6eb32489ed8208229a831abb73cf4b1e

diff --git a/src/helper/log.c b/src/helper/log.c
index e7af803c92..f9807747b5 100644
--- a/src/helper/log.c
+++ b/src/helper/log.c
@@ -50,60 +50,31 @@ static int64_t current_time;
 
 static int64_t start;
 
-static const char * const log_strings[5] = {
+static const char * const log_strings[6] = {
 	"User : ",
 	"Error: ",
 	"Warn : ",	/* want a space after each colon, all same width, colons aligned */
 	"Info : ",
+	"Debug: ",
 	"Debug: "
 };
 
 static int count;
 
-static struct store_log_forward *log_head;
-static int log_forward_count;
-
-struct store_log_forward {
-	struct store_log_forward *next;
-	const char *file;
-	int line;
-	const char *function;
-	const char *string;
-};
-
-/* either forward the log to the listeners or store it for possible forwarding later */
+/* forward the log to the listeners */
 static void log_forward(const char *file, unsigned line, const char *function, const char *string)
 {
-	if (log_forward_count == 0) {
-		struct log_callback *cb, *next;
-		cb = log_callbacks;
-		/* DANGER!!!! the log callback can remove itself!!!! */
-		while (cb) {
-			next = cb->next;
-			cb->fn(cb->priv, file, line, function, string);
-			cb = next;
-		}
-	} else {
-		struct store_log_forward *log = malloc(sizeof(struct store_log_forward));
-		log->file = strdup(file);
-		log->line = line;
-		log->function = strdup(function);
-		log->string = strdup(string);
-		log->next = NULL;
-		if (log_head == NULL)
-			log_head = log;
-		else {
-			/* append to tail */
-			struct store_log_forward *t;
-			t = log_head;
-			while (t->next != NULL)
-				t = t->next;
-			t->next = log;
-		}
+	struct log_callback *cb, *next;
+	cb = log_callbacks;
+	/* DANGER!!!! the log callback can remove itself!!!! */
+	while (cb) {
+		next = cb->next;
+		cb->fn(cb->priv, file, line, function, string);
+		cb = next;
 	}
 }
 
-/* The log_puts() serves to somewhat different goals:
+/* The log_puts() serves two somewhat different goals:
  *
  * - logging
  * - feeding low-level info to the user in GDB or Telnet
@@ -234,8 +205,8 @@ COMMAND_HANDLER(handle_debug_level_command)
 	if (CMD_ARGC == 1) {
 		int new_level;
 		COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], new_level);
-		if ((new_level > LOG_LVL_DEBUG) || (new_level < LOG_LVL_SILENT)) {
-			LOG_ERROR("level must be between %d and %d", LOG_LVL_SILENT, LOG_LVL_DEBUG);
+		if ((new_level > LOG_LVL_DEBUG_IO) || (new_level < LOG_LVL_SILENT)) {
+			LOG_ERROR("level must be between %d and %d", LOG_LVL_SILENT, LOG_LVL_DEBUG_IO);
 			return ERROR_COMMAND_SYNTAX_ERROR;
 		}
 		debug_level = new_level;
@@ -251,9 +222,15 @@ COMMAND_HANDLER(handle_log_output_command)
 {
 	if (CMD_ARGC == 1) {
 		FILE *file = fopen(CMD_ARGV[0], "w");
-
-		if (file)
-			log_output = file;
+		if (file == NULL) {
+			LOG_ERROR("failed to open output log '%s'", CMD_ARGV[0]);
+			return ERROR_FAIL;
+		}
+		if (log_output != stderr && log_output != NULL) {
+			/* Close previous log file, if it was open and wasn't stderr. */
+			fclose(log_output);
+		}
+		log_output = file;
 	}
 
 	return ERROR_OK;
@@ -273,7 +250,8 @@ static struct command_registration log_command_handlers[] = {
 		.mode = COMMAND_ANY,
 		.help = "Sets the verbosity level of debugging output. "
 			"0 shows errors only; 1 adds warnings; "
-			"2 (default) adds other info; 3 adds debugging.",
+			"2 (default) adds other info; 3 adds debugging; "
+			"4 adds extra verbose debugging.",
 		.usage = "number",
 	},
 	COMMAND_REGISTRATION_DONE
@@ -297,7 +275,7 @@ void log_init(void)
 		int retval = parse_int(debug_env, &value);
 		if (ERROR_OK == retval &&
 				debug_level >= LOG_LVL_SILENT &&
-				debug_level <= LOG_LVL_DEBUG)
+				debug_level <= LOG_LVL_DEBUG_IO)
 				debug_level = value;
 	}