113 lines
2.7 KiB
C
113 lines
2.7 KiB
C
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/******************************************************************************
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* $Id$
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*
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* Copyright (c) 2007 Joshua Elsasser
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*****************************************************************************/
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#include <errno.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <syslog.h>
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#include "errors.h"
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static void verrmsg( int, const char *, va_list );
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static int gl_syslog = 0;
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void
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errsyslog( int useit )
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{
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gl_syslog = useit;
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if( useit )
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{
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openlog( getmyname(), 0, LOG_DAEMON );
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}
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}
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void
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errmsg( const char * fmt, ... )
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{
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va_list ap;
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va_start( ap, fmt );
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verrmsg( -1, fmt, ap );
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va_end( ap );
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}
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void
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errnomsg( const char * fmt, ... )
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{
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va_list ap;
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va_start( ap, fmt );
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verrmsg( errno, fmt, ap );
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va_end( ap );
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}
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void
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verrmsg( int errnum, const char * fmt, va_list ap )
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{
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char buf[1024];
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vsnprintf( buf, sizeof buf, fmt, ap );
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if( gl_syslog )
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{
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if( 0 > errnum )
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{
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syslog( LOG_ERR, "%s", buf );
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}
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else
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{
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syslog( LOG_ERR, "%s: %s", buf, strerror( errnum ) );
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}
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}
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else
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{
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if( 0 > errnum )
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{
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fprintf( stderr, "%s: %s\n", getmyname(), buf );
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}
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else
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{
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fprintf( stderr, "%s: %s: %s\n", getmyname(), buf,
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strerror( errnum ) );
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}
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}
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}
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void
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mallocmsg( size_t size )
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{
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if( 0 < size )
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{
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errmsg( "failed to allocate %i bytes of memory", ( int )size );
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}
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else
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{
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errmsg( "failed to allocate memory" );
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}
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}
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