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#ifndef _LOG_H_
#define _LOG_H_
#include "valgrind/valgrind.h"
#include "buffer.h"
/* Close fd and _try_ to get a /dev/null for it instead.
* Returns 0 on success and -1 on failure (fd gets closed in all cases)
*/
LI_API int openDevNull(int fd);
LI_API void log_init(void);
LI_API void log_free(void);
LI_API int log_error_open(buffer* file, buffer* breakage_file, int use_syslog, int dont_daemonize);
LI_API int log_error_close();
LI_API int log_error_write(void *srv, const char *filename, unsigned int line, const char *fmt, ...);
LI_API int log_error_cycle();
#define REMOVE_PATH_FROM_FILE 1
#if REMOVE_PATH_FROM_FILE
LI_API const char *remove_path(const char *path);
#define REMOVE_PATH(file) remove_path(file)
#else
#define REMOVE_PATH(file) file
#endif
// TODO: perhaps make portable (detect if cc supports)
#define __ATTRIBUTE_PRINTF_FORMAT(fmt, arg) __attribute__ ((__format__ (__printf__, fmt, arg)))
#define ERROR(fmt, ...) \
log_trace("(error) (%s:%d) "fmt, REMOVE_PATH(__FILE__), __LINE__, __VA_ARGS__)
#define TRACE(fmt, ...) \
log_trace("(trace) (%s:%d) "fmt, REMOVE_PATH(__FILE__), __LINE__, __VA_ARGS__)
#define SEGFAULT(fmt, ...) \
do { \
log_trace("(crashing) (%s:%d) "fmt, REMOVE_PATH(__FILE__), __LINE__, __VA_ARGS__); \
VALGRIND_PRINTF_BACKTRACE(fmt, __VA_ARGS__);\
abort();\
} while(0)
LI_API int log_trace(const char *fmt, ...) __ATTRIBUTE_PRINTF_FORMAT(1, 2);
#endif
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