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Nils O. Selåsdal ca2b2be2ee Fix UC_NOT_REACHED
2013-12-31 03:00:39 +01:00

58 lines
1.2 KiB
C

#ifndef UC_BACKTRACE_H_
#define UC_BACKTRACE_H_
#include <stddef.h>
#include <stdlib.h>
#include "utils.h"
#ifdef __cplusplus
extern "C" {
#endif
#define UC_BACKTRACE_STDERR uc_backtrace_fd(2)
/**
* Print a stacktrace to the given file descriptor.
*
* @param fd filedescriptor to write to.
*/
void uc_backtrace_fd(int fd);
/**
* Print a stactrace to the given buffer
* (Note that unlike uc_backtrace_fd(), this function
* does malloc() call and may fail in a signal handler or
* if memory is corrupted.
*
* @param buf buffer to place the stacktrace in.
* @param len length of buffer
*/
void uc_backtrace_buf(char *buf, size_t len);
/**
* assert() that is not affected by NDEBUG define
*/
#define UC_ASSERT(expr)\
do {\
if (!(expr) ) {\
fprintf(stderr,\
"UC_ASSERT failed '%s' %s\n", UC_STRINGIFY(expr), UC_SRC_LOCATION);\
UC_BACKTRACE_STDERR;\
abort();\
}\
} while (0)
/**
* Macro for asserting code that should not be reached,
* terminates the program if executed
*/
#define UC_NOT_REACED()\
do {\
fprintf(stderr, "UC_NOT_REACHED at %s\n", UC_SRC_LOCATION);\
UC_BACKTRACE_STDERR;\
abort();\
} while (0)
#ifdef __cplusplus
}
#endif
#endif