/*

  * $CC $CFLAGS -I../.. debugm.c -lclamav -lefence (or what ever memory debugger)
  * If you're going to use HAVE_BACKTRACE, ensure CFLAGS includes -g and doesn't
  * include -fomit-frame-pointer

  *
  * njh@bandsman.co.uk
  */
 #include <stdio.h>
 #include <errno.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>
 #include <malloc.h>
 #include <clamav.h>
 #include <sys/resource.h>

 #include <signal.h>
 #include <features.h>
 #include "clamav-config.h"
 
 #if __GLIBC__ == 2 && __GLIBC_MINOR__ >= 1
 /*#define HAVE_BACKTRACE	/* Only tested on Linux... */
 #endif
 
 #ifdef HAVE_BACKTRACE
 #include <execinfo.h>
 #endif
 
 static	void	print_trace(void);
 static	void	sigsegv(int sig);
 
 static void
 sigsegv(int sig)
 {
 	signal(SIGSEGV, SIG_DFL);
 	print_trace();
 	_exit(SIGSEGV);
 }
 
 static void
 print_trace(void)
 {
 #ifdef HAVE_BACKTRACE
 	void *array[10];
 	size_t size, i;
 	char **strings;
 
 	puts("Segfault caught, backtrace:");
 
 	size = backtrace(array, 10);
 	strings = backtrace_symbols(array, size);
 
 	for(i = 0; i < size; i++)
 		printf("\t%s\n", strings[i]);
 
 	free(strings);
 #endif
 }

 
 int
 main(int argc, char **argv)
 {
 	struct rlimit rlim;
 
 	if(argc == 1) {
 		fprintf(stderr, "Usage: %s files...\n", argv[0]);
 		return 1;
 	}
 	rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
 	if(setrlimit(RLIMIT_CORE, &rlim) < 0)
 		perror("setrlimit");
 
 	if(mkdir("/tmp/mboxtest", 0750) < 0) {
 		perror("/tmp/mboxtest");
 		return errno;
 	}

 	signal(SIGSEGV, sigsegv);

 	while(*++argv) {
 		int fd = open(*argv, 0);
 
 		if(fd < 0) {
 			perror(*argv);
 			return errno;
 		}
 		printf("cl_mbox(%s) returns %d\n",
 			*argv, cl_mbox("/tmp/mboxtest", fd));
 		close(fd);
 	}
 	puts("Finished - don't forget to rm -rf /tmp/mboxtest");
 

 	return 0;

 }