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In v{warning,fatal}x?() make a new copy of ap for the debug functions.

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It is not legal to use ap twice without reinitializing it.
Noticed by Daniel Richard G.
This commit is contained in:
Todd C. Miller 2013-11-11 16:00:07 -07:00
parent 31e83c3e7a
commit 237ae0b773
1 changed files with 13 additions and 5 deletions
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18
include/fatal.h
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@ -88,26 +88,34 @@
warningx_nodebug(__VA_ARGS__); \
} while (0)
# endif /* __GNUC__ == 2 */
# define vfatal(fmt, ap) do { \
# define vfatal(fmt, ap) do { \
va_list ap2; \
va_copy(ap2, (ap)); \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
(fmt), (ap)); \
(fmt), ap2); \
vfatal_nodebug((fmt), (ap)); \
} while (0)
# define vfatalx(fmt, ap) do { \
va_list ap2; \
va_copy(ap2, (ap)); \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), (ap)); \
SUDO_DEBUG_ERROR|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), ap2); \
vfatalx_nodebug((fmt), (ap)); \
} while (0)
# define vwarning(fmt, ap) do { \
va_list ap2; \
va_copy(ap2, (ap)); \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|SUDO_DEBUG_ERRNO|sudo_debug_subsys, \
(fmt), (ap)); \
(fmt), ap2); \
vwarning_nodebug((fmt), (ap)); \
} while (0)
# define vwarningx(fmt, ap) do { \
va_list ap2; \
va_copy(ap2, (ap)); \
sudo_debug_vprintf2(__func__, __FILE__, __LINE__, \
SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), (ap)); \
SUDO_DEBUG_WARN|SUDO_DEBUG_LINENO|sudo_debug_subsys, (fmt), ap2); \
vwarningx_nodebug((fmt), (ap)); \
} while (0)
#endif /* SUDO_ERROR_WRAP */