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Annotation of embedaddon/lrzsz/src/lsyslog.c, revision 1.1

1.1     ! misho       1: /*
        !             2:   lsyslog.c - wrapper for the syslog function
        !             3:   Copyright (C) 1997 Uwe Ohse
        !             4: 
        !             5:   This program is free software; you can redistribute it and/or modify
        !             6:   it under the terms of the GNU General Public License as published by
        !             7:   the Free Software Foundation; either version 2, or (at your option)
        !             8:   any later version.
        !             9: 
        !            10:   This program is distributed in the hope that it will be useful,
        !            11:   but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            12:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            13:   GNU General Public License for more details.
        !            14: 
        !            15:   You should have received a copy of the GNU General Public License
        !            16:   along with this program; if not, write to the Free Software
        !            17:   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
        !            18:   02111-1307, USA.
        !            19: 
        !            20: */
        !            21: #include "config.h"
        !            22: #ifdef ENABLE_SYSLOG
        !            23: #include "zglobal.h"
        !            24: #include <pwd.h>
        !            25: #include <stdlib.h>
        !            26: #include <string.h>
        !            27: #endif
        !            28: 
        !            29: #if __STDC__
        !            30: #  include <stdarg.h>
        !            31: #  define VA_START(args, lastarg) va_start(args, lastarg)
        !            32: #  define WAYTOGO
        !            33: #else
        !            34: #  include <varargs.h>
        !            35: #  define VA_START(args, lastarg) va_start(args)
        !            36: #endif
        !            37: 
        !            38: void
        !            39: #ifdef WAYTOGO
        !            40: lsyslog(int prio, const char *format, ...)
        !            41: #else
        !            42: lsyslog(prio,format,va_alist) 
        !            43:        int prio; 
        !            44:        const char *format; 
        !            45:        va_dcl
        !            46: #endif
        !            47: {
        !            48: #ifdef ENABLE_SYSLOG
        !            49:        static char *username=NULL;
        !            50:        static char uid_string[20]=""; /* i'd really hate this function to fail! */
        !            51:        char *s=NULL;
        !            52:        static int init_done=0;
        !            53:     va_list ap;
        !            54:        if (!enable_syslog)
        !            55:                return;
        !            56:        if (!init_done) {
        !            57:                uid_t uid;
        !            58:                struct passwd *pwd;
        !            59:                init_done=1;
        !            60:                uid=getuid();
        !            61:                pwd=getpwuid(uid);
        !            62:                if (pwd && pwd->pw_name && *pwd->pw_name) {
        !            63:                        username=strdup(pwd->pw_name);
        !            64:                }
        !            65:                if (!username) {
        !            66:                        username=uid_string;
        !            67:                        sprintf(uid_string,"#%lu",(unsigned long) uid);
        !            68:                }
        !            69:        }
        !            70: 
        !            71:     VA_START(ap, format);
        !            72:     vasprintf(&s,format, ap);
        !            73:     va_end(ap);
        !            74:     syslog(prio,"[%s] %s",username,s);
        !            75:        free(s);
        !            76: #else
        !            77:        (void) prio; /* get rid of warning */
        !            78:        (void) format; /* get rid of warning */
        !            79: #endif
        !            80: }
        !            81: