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/*
cipelib - library routines common to CIPE (user-mode part) and PKCIPE
Copyright 2000 Olaf Titz <olaf@bigred.inka.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version
2 of the License, or (at your option) any later version.
*/
/* $Id: cipe_syslog.c,v 1.4 2000/12/13 01:38:55 olaf Exp $ */
#define _USE_BSD
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cipelib.h"
int logstderr=0;
static char *buf=NULL;
static int bufl=0;
#define CHUNK 128 /* power of two! */
/* have to duplicate nonstandard "%m" format */
INLINE void vstderr(const char *fmt, va_list v)
{
char *p, *s;
register const char *q;
register char *r;
int l;
p=strstr(fmt, "%m");
if (!p) {
vfprintf(stderr, fmt, v);
fputc('\n', stderr);
return;
}
s=strerror(errno);
l=p-fmt+strlen(s)+strlen(p);
if (l>bufl) {
bufl=(l+CHUNK)&(~(CHUNK-1));
if (!(buf=realloc(buf, bufl))) {
bufl=0;
fprintf(stderr, "cipe_syslog: malloc failure\n");
return;
}
}
for (q=fmt, r=buf; q<p;)
*r++=*q++;
while (*s)
*r++=*s++;
for (q=p+2; *q;)
*r++=*q++;
*r++='\n';
*r='\0';
vfprintf(stderr, buf, v);
}
void cipe_vsyslog(int level, const char *fmt, va_list v)
{
if (logstderr || level==LOG_STDERR)
vstderr(fmt, v);
else
vsyslog(level, fmt, v);
}
void cipe_syslog(int level, const char *fmt, ...)
{
va_list v;
va_start(v, fmt);
cipe_vsyslog(level, fmt, v);
va_end(v);
}
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