?? ddbg_assert.c
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/* libddbg (version 1.0) * Authors: John Bucy, Greg Ganger * Contributors: John Griffin, Jiri Schindler, Steve Schlosser * * Copyright (c) of Carnegie Mellon University, 2001-2008. * * This software is being provided by the copyright holders under the * following license. By obtaining, using and/or copying this * software, you agree that you have read, understood, and will comply * with the following terms and conditions: * * Permission to reproduce, use, and prepare derivative works of this * software is granted provided the copyright and "No Warranty" * statements are included with all reproductions and derivative works * and associated documentation. This software may also be * redistributed without charge provided that the copyright and "No * Warranty" statements are included in all redistributions. * * NO WARRANTY. THIS SOFTWARE IS FURNISHED ON AN "AS IS" BASIS. * CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY KIND, EITHER * EXPRESSED OR IMPLIED AS TO THE MATTER INCLUDING, BUT NOT LIMITED * TO: WARRANTY OF FITNESS FOR PURPOSE OR MERCHANTABILITY, EXCLUSIVITY * OF RESULTS OR RESULTS OBTAINED FROM USE OF THIS SOFTWARE. CARNEGIE * MELLON UNIVERSITY DOES NOT MAKE ANY WARRANTY OF ANY KIND WITH * RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT * INFRINGEMENT. COPYRIGHT HOLDERS WILL BEAR NO LIABILITY FOR ANY USE * OF THIS SOFTWARE OR DOCUMENTATION. */#include <stdarg.h>#include "libddbg.h"#ifndef _LIBDDBG_FREEBSD#include <signal.h>#include <stdio.h>static void fail(void) { raise(SIGABRT);}static FILE *ddbg_file = 0;static ddbg_assert_handler ddbg_handler = (ddbg_assert_handler)fail;void ddbg_assert_setfile(FILE *f) { ddbg_file = f;}void ddbg_assert_printmsg(const char *fmt, ...) { va_list ap; if(ddbg_file) { va_start(ap, fmt); vfprintf(ddbg_file, fmt, ap); }}#else #include <syslog.h>void ddbg_kern_log(char *file, int line, const char *cond, const char *func, const char *fmt, ...){ char buff[1024]; va_list ap; va_start(ap, fmt); vsnprintf(buff, 1024, fmt, ap); va_end(ap); log(LOG_ALERT, buff);}void ddbg_assert_printmsg(const char *fmt, ...){ char buff[1024]; va_list ap; va_start(ap, fmt); vsnprintf(buff, 1024, fmt, ap); va_end(ap); log(LOG_ALERT, buff);}static ddbg_assert_handler ddbg_handler = (ddbg_assert_handler)ddbg_kern_log;#endif // _LIBDDBG_FREEBSDvoid ddbg_assert_sethandler(ddbg_assert_handler h) { ddbg_handler = h;}void ddbg_assert_msg(char *file, int line, const char *cond, const char *func, const char *fmt, ...){ va_list ap; #ifndef _LIBDDBG_FREEBSD if(ddbg_file) { fprintf(ddbg_file, "*** assertion failed: in %s() (%s:%d): %s: ", func, file, line, cond); // va_start(ap, fmt); // vfprintf(ddbg_file, fmt, ap); // fprintf(ddbg_file, "\n"); ddbg_assert_printmsg(fmt, ap); }#endif // _LIBDDBG_FREEBSD }void ddbg_assert_fail(char *file, int line, const char *cond, const char *func, const char *fmt, ...) { va_list ap;#ifndef _LIBDDBG_FREEBSD if(ddbg_file) { fprintf(ddbg_file, "\n"); fflush(ddbg_file); }#endif // _LIBDDBG_FREEBSD if(ddbg_handler) { va_start(ap, fmt); ddbg_handler(file,line,cond,func,fmt,ap); }}
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