/* * Copyright (c) 2001 Mark Fullmer and The Ohio State University * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * *      $Id: fterr.c,v 1.9 2003/02/13 02:38:41 maf Exp $ */#include "ftconfig.h"#include "ftlib.h"#include <errno.h>#include <stdio.h>#include <syslog.h>#include <stdarg.h>#include <stdlib.h>#if HAVE_STRINGS_H #include <strings.h>#endif#if HAVE_STRING_H  #include <string.h>#endif#define FTERR_FILE   1#define FTERR_SYSLOG 2static int fterr_flags = FTERR_FILE;static FILE *fterr_file;static char *fterr_id = "";static void (*fterr_exit)(int);void fterr_setexit(void (*f)(int)){        fterr_exit = f;} /* fterr_set_exit */void fterr_setid(char *id){  char *c;  /* skip to end */  for (c = id; *c; ++c);  /* skip back to first / or begining */  for (; (c != id) && (*c != '/'); --c);  if (c != id)    fterr_id = c+1;  else    fterr_id = c;}void fterr_setfile(int enable, void *fp){  if (enable) {    fterr_flags |= FTERR_FILE;    fterr_file = fp;  }  else    fterr_flags &= ~FTERR_FILE;}void fterr_setsyslog(int enable, int logopt, int facility){  if (enable) {    fterr_flags |= FTERR_SYSLOG;    openlog(fterr_id, logopt, facility);  } else {    if (fterr_flags & FTERR_SYSLOG)      closelog();    fterr_flags &= ~FTERR_SYSLOG;  }}void fterr_info(const char *fmt, ...){  va_list ap;  char buf[1025];  char buf2[1025];   va_start(ap, fmt);  vsnprintf(buf, (size_t)1024, fmt, ap);  va_end(ap);  snprintf(buf2, 1024, "%s: %s", fterr_id, buf);  if (fterr_flags & FTERR_FILE)    fprintf(((fterr_file) ? fterr_file : stderr), "%s\n", buf2);  if (fterr_flags & FTERR_SYSLOG)    syslog(LOG_INFO, buf);} /* fterr_info */void fterr_err(int code, const char *fmt, ...){  va_list ap;  char buf[1025];  char buf2[1025];   va_start(ap, fmt);  vsnprintf(buf, (size_t)1024, fmt, ap);  va_end(ap);  if (fterr_flags & FTERR_FILE) {    snprintf(buf2, 1024, "%s: %s: %s", fterr_id, buf, strerror(errno));    fprintf(((fterr_file) ? fterr_file : stderr), "%s\n", buf2);  }  if (fterr_flags & FTERR_SYSLOG) {    snprintf(buf2, 1024, "%s: %s", buf, strerror(errno));    syslog(LOG_INFO, buf2);  }  if (fterr_exit)    fterr_exit(code);  exit (code);} /* fterr_err */void fterr_errx(int code, const char *fmt, ...){  va_list ap;  char buf[1025];  char buf2[1025];   va_start(ap, fmt);  vsnprintf(buf, (size_t)1024, fmt, ap);  va_end(ap);  if (fterr_flags & FTERR_FILE) {    snprintf(buf2, 1024, "%s: %s", fterr_id, buf);    fprintf(((fterr_file) ? fterr_file : stderr), "%s\n", buf2);  }  if (fterr_flags & FTERR_SYSLOG)    syslog(LOG_INFO, buf);  if (fterr_exit)    fterr_exit(code);  exit (code);} /* fterr_errx */void fterr_warnx(const char *fmt, ...){  va_list ap;  char buf[1025];  char buf2[1025];   va_start(ap, fmt);  vsnprintf(buf, (size_t)1024, fmt, ap);  va_end(ap);  if (fterr_flags & FTERR_FILE) {    snprintf(buf2, 1024, "%s: %s", fterr_id, buf);    fprintf(((fterr_file) ? fterr_file : stderr), "%s\n", buf2);  }  if (fterr_flags & FTERR_SYSLOG)    syslog(LOG_INFO, buf);} /* fterr_warnx */void fterr_warn(const char *fmt, ...){  va_list ap;  char buf[1025];  char buf2[1025];   va_start(ap, fmt);  vsnprintf(buf, (size_t)1024, fmt, ap);  va_end(ap);  if (fterr_flags & FTERR_FILE) {    snprintf(buf2, 1024, "%s: %s: %s", fterr_id, buf, strerror(errno));    fprintf(((fterr_file) ? fterr_file : stderr), "%s\n", buf2);  }  if (fterr_flags & FTERR_SYSLOG) {    snprintf(buf2, 1024, "%s: %s", buf, strerror(errno));    syslog(LOG_INFO, buf2);  }} /* fterr_warn */