* 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 *
#ifndef ERROR_H
#define ERROR_H
-#include "replacements.h"
#include "command.h"
-#include <stdarg.h>
-
-/* logging priorities
- * LOG_LVL_SILENT - turn off all output. In lieu of try+catch this can be used as a
+/* 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.
- * LOG_LVL_USER - user messages. Could be anything from information
+ * LOG_LVL_USER - user messages. Could be anything from information
* to progress messags. These messages do not represent
- * incorrect or unexpected behaviour, just normal execution.
+ * incorrect or unexpected behaviour, just normal execution.
* LOG_LVL_ERROR - fatal errors, that are likely to cause program abort
* LOG_LVL_WARNING - non-fatal errors, that may be resolved later
* LOG_LVL_INFO - state information, etc.
LOG_LVL_DEBUG = 3
};
-extern void log_printf(enum log_levels level, const char *file, int line,
- const char *function, const char *format, ...)
-__attribute__ ((format (printf, 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)));
-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);
-extern void keep_alive(void);
-extern void kept_alive(void);
-extern void alive_sleep(int ms);
-extern void busy_sleep(int ms);
-
-typedef void (*log_callback_fn)(void *priv, const char *file, int line,
+void log_printf(enum log_levels level, const char *file, int line,
+ const char *function, const char *format, ...)
+__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 5, 6)));
+void log_printf_lf(enum log_levels level, const char *file, int line,
+ const char *function, const char *format, ...)
+__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 5, 6)));
+
+int log_init(struct command_context_s *cmd_ctx);
+int set_log_output(struct command_context_s *cmd_ctx, FILE *output);
+
+int log_register_commands(struct command_context_s *cmd_ctx);
+
+void keep_alive(void);
+void kept_alive(void);
+
+void alive_sleep(int ms);
+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, unsigned line,
const char *function, const char *string);
typedef struct log_callback_s
struct log_callback_s *next;
} log_callback_t;
-extern int log_add_callback(log_callback_fn fn, void *priv);
-extern int log_remove_callback(log_callback_fn fn, void *priv);
+int log_add_callback(log_callback_fn fn, void *priv);
+int log_remove_callback(log_callback_fn fn, void *priv);
char *alloc_vprintf(const char *fmt, va_list ap);
char *alloc_printf(const char *fmt, ...);
/* Avoid fn call and building parameter list if we're not outputting the information.
* Matters on feeble CPUs for DEBUG/INFO statements that are involved frequently */
+#define LOG_LEVEL_IS(FOO) ((debug_level) >= (FOO))
#define LOG_DEBUG(expr ...) \
((debug_level >= LOG_LVL_DEBUG) ? log_printf_lf (LOG_LVL_DEBUG, __FILE__, __LINE__, __FUNCTION__, expr) , 0 : 0)
#define ERROR_INVALID_ARGUMENTS ERROR_COMMAND_SYNTAX_ERROR
#define ERROR_NO_CONFIG_FILE (-2)
#define ERROR_BUF_TOO_SMALL (-3)
-/* see "Error:" log entry for meaningful message to the user. The caller should
+/* see "Error:" log entry for meaningful message to the user. The caller should
* make no assumptions about what went wrong and try to handle the problem.
*/
-#define ERROR_FAIL (-4)
+#define ERROR_FAIL (-4)
#endif /* LOG_H */