corrective fix for MinGW GNU C99 printf compliance

[openocd.git] / src / helper / log.h

diff --git a/src/helper/log.h b/src/helper/log.h
index 9172a7ae14ce9fa2fcbb67b4e186813c919d3c24..f43e1e6cb0ba8c8bf3df1fc65c0a549b524a0d42 100644 (file)
--- a/src/helper/log.h
+++ b/src/helper/log.h
@@ -2,7 +2,7 @@
  *   Copyright (C) 2005 by Dominic Rath                                    *
  *   Dominic.Rath@gmx.de                                                   *
  *                                                                         *
- *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
+ *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
  *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   Copyright (C) 2008 by Spencer Oliver                                  *
@@ -28,6 +28,15 @@
 
 #include "command.h"
 
+/* To achieve C99 printf compatibility in MinGW, gnu_printf should be
+ * used for __attribute__((format( ... ))), with GCC v4.4 or later
+ */
+#if (defined(IS_MINGW) && (((__GNUC__ << 16) + __GNUC_MINOR__) >= 0x00040004))
+#define PRINTF_ATTRIBUTE_FORMAT gnu_printf
+#else
+#define PRINTF_ATTRIBUTE_FORMAT printf
+#endif
+
 /* logging priorities
  * LOG_LVL_SILENT - turn off all output. In lieu of try + catch this can be used as a
  *                  feeble ersatz.
@@ -52,10 +61,10 @@ enum log_levels
 
 extern void log_printf(enum log_levels level, const char *file, int line,
        const char *function, const char *format, ...)
-__attribute__ ((format (printf, 5, 6)));
+__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 5, 6)));
 extern void log_printf_lf(enum log_levels level, const char *file, int line,
        const char *function, const char *format, ...)
-__attribute__ ((format (printf, 5, 6)));
+__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 5, 6)));
 extern int log_register_commands(struct command_context_s *cmd_ctx);
 extern int log_init(struct command_context_s *cmd_ctx);
 extern int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
@@ -64,6 +73,15 @@ extern void kept_alive(void);
 extern void alive_sleep(int ms);
 extern void busy_sleep(int ms);
 
+
+/* log entries can be paused and replayed roughly according to the try/catch/rethrow
+ * concepts in C++
+ */
+void log_try(void);
+void log_catch(void);
+void log_rethrow(void);
+
+
 typedef void (*log_callback_fn)(void *priv, const char *file, int line,
                const char *function, const char *string);