Files
sudo/include/error.h
Todd C. Miller f8660f9988 Add variants of warn/error and sudo_debug_printf that take a va_list
instead of a variable number of args.
2012-11-08 15:37:42 -05:00

124 lines
5.3 KiB
C

/*
* Copyright (c) 2004, 2010-2012 Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SUDO_ERROR_H_
#define _SUDO_ERROR_H_
#include <stdarg.h>
/*
* We wrap error/errorx and warn/warnx so that the same output can
* go to the debug file, if there is one.
*/
#if defined(SUDO_ERROR_WRAP) && SUDO_ERROR_WRAP == 0
# if defined(__GNUC__) && __GNUC__ == 2
# define error(rval, fmt...) error2((rval), fmt)
# define errorx(rval, fmt...) errorx2((rval), fmt)
# define warning(fmt...) warning2(fmt)
# define warningx(fmt...) warningx2(fmt)
# else
# define error(rval, ...) error2((rval), __VA_ARGS__)
# define errorx(rval, ...) errorx2((rval), __VA_ARGS__)
# define warning(...) warning2(__VA_ARGS__)
# define warningx(...) warningx2(__VA_ARGS__)
# endif /* __GNUC__ == 2 */
# define verror(rval, fmt, ap) error2((rval), (fmt), (ap))
# define verrorx(rval, fmt, ap) errorx2((rval), (fmt), (ap))
# define vwarning(fmt, ap) warning2((fmt), (ap))
# define vwarningx(fmt, ap) warningx2((fmt), (ap))
#else /* SUDO_ERROR_WRAP */
# if defined(__GNUC__) && __GNUC__ == 2
# define error(rval, fmt...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
fmt); \
error2((rval), fmt); \
} while (0)
# define errorx(rval, fmt...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, fmt); \
errorx2((rval), fmt); \
} while (0)
# define warning(fmt...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
fmt); \
warning2(fmt); \
} while (0)
# define warningx(fmt...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, fmt); \
warningx2(fmt); \
} while (0)
# else
# define error(rval, ...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
__VA_ARGS__); \
error2((rval), __VA_ARGS__); \
} while (0)
# define errorx(rval, ...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, __VA_ARGS__); \
errorx2((rval), __VA_ARGS__); \
} while (0)
# define warning(...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
__VA_ARGS__); \
warning2(__VA_ARGS__); \
} while (0)
# define warningx(...) do { \
sudo_debug_printf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|sudo_debug_subsys, __VA_ARGS__); \
warningx2(__VA_ARGS__); \
} while (0)
# endif /* __GNUC__ == 2 */
# define verror(rval, fmt, ap) do { \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
(fmt), (ap)); \
verror2((rval), (fmt), (ap)); \
} while (0)
# define verrorx(rval, fmt, ap) do { \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), (ap)); \
verrorx2((rval), (fmt), (ap)); \
} while (0)
# define vwarning(fmt, ap) do { \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
(fmt), (ap)); \
vwarning2((fmt), (ap)); \
} while (0)
# define vwarningx(fmt, ap) do { \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), (ap)); \
vwarningx2((fmt), (ap)); \
} while (0)
#endif /* SUDO_ERROR_WRAP */
void error2(int, const char *, ...) __printflike(2, 3) __attribute__((__noreturn__));
void errorx2(int, const char *, ...) __printflike(2, 3) __attribute__((__noreturn__));
void verror2(int, const char *, va_list ap) __attribute__((__noreturn__));
void verrorx2(int, const char *, va_list ap) __attribute__((__noreturn__));
void warning2(const char *, ...) __printflike(1, 2);
void warningx2(const char *, ...) __printflike(1, 2);
void vwarning2(const char *, va_list ap);
void vwarningx2(const char *, va_list ap);
#endif /* _SUDO_ERROR_H_ */