fix doc tpyos, rename some enums, fix printf format len for non-zero terminated strings (hg status), pass args to memcache_cmd_format_header via memcache_req_*, handle zero-length STORE requests, memcache_req is_buf_ours + free, other function name typos (keymemcache_req_key), fix req state behaviour re *_DATA_* for STORE requests and FETCH/END, better memcache_server connpool events/management, modular memcache_test with a working benchmark. This is a long commit message.
/*
* error handling
*/
void _generic_err ( /*int level, */ int use_stderr, const char *func, int perr, const char *fmt, ...)
__attribute__ ((format (printf, 4, 5)));
// needs to be defined as its own function for the noreturn attribute
void _generic_err_exit ( /* int level, */ int used_stderr, const char *func, int perr, const char *fmt, ...)
__attribute__ ((format (printf, 4, 5)))
__attribute__ ((noreturn));
enum _debug_level {
DEBUG_FATAL,
DEBUG_ERROR,
DEBUG_WARNING,
DEBUG_INFO,
DEBUG_DEBUG,
};
// not currently used
extern enum _debug_level _cur_debug_level;
// various kinds of ways to handle an error, 2**3 of them, *g*
#define info(...) _generic_err( 0, NULL, 0, __VA_ARGS__ )
#define error(...) _generic_err( 1, NULL, 0, __VA_ARGS__ )
#define err_exit(...) _generic_err_exit( 1, NULL, 0, __VA_ARGS__ )
#define perr(...) _generic_err( 1, NULL, 1, __VA_ARGS__ )
#define perr_exit(...) _generic_err_exit( 1, NULL, 1, __VA_ARGS__ )
#define err_func(func, ...) _generic_err( 1, func, 0, __VA_ARGS__ )
#define err_func_exit(func, ...) _generic_err_exit( 1, func, 0, __VA_ARGS__ )
#define perr_func(func, ...) _generic_err( 1, func, 1, __VA_ARGS__ )
#define perr_func_exit(func, ...) _generic_err_exit( 1, func, 1, __VA_ARGS__ )
// error(func + colon + msg, ...) + goto error
#define ERROR(...) do { err_func(__func__, __VA_ARGS__); goto error; } while (0)
#define PERROR(...) do { perr_func(__func__, __VA_ARGS__); goto error; } while (0)
#define FATAL(...) err_func_exit(__func__, __VA_ARGS__)
#define PFATAL(...) perr_func_exit(__func__, __VA_ARGS__)
#define WARNING(...) err_func(__func__, __VA_ARGS__)
#define PWARNING(...) perr_func(__func__, __VA_ARGS__)
#ifdef DEBUG_ENABLED
#define DEBUG(...) err_func(__func__, __VA_ARGS__)
#else
#define DEBUG(...) (void) (0)
#endif
// default is to enable INFO
#ifdef INFO_DISABLED
#define INFO_ENABLED 0
#else
#ifndef INFO_ENABLED
#define INFO_ENABLED 1
#endif
#endif
#if INFO_ENABLED
#define INFO(...) info(__VA_ARGS__)
#else
#define INFO(...) (void) (0)
#endif