source: mypx/library/vasyslog.c

/*
 *  TOPPERS Software
 *      Toyohashi Open Platform for Embedded Real-Time Systems
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 *  Copyright (C) 2004-2011 by Embedded and Real-Time Systems Laboratory
 *              Graduate School of Information Science, Nagoya Univ., JAPAN
 * 
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/*
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 */

#include <t_stddef.h>
#include <t_syslog.h>
#include <stdarg.h>

#ifndef TOPPERS_OMIT_SYSLOG

void
syslog(uint_t prio, const char *format, ...)
{
        SYSLOG  logbuf;
        va_list ap;
        uint_t  i;
        char    c;
        bool_t  lflag;

        logbuf.logtype = LOG_TYPE_COMMENT;
        logbuf.loginfo[0] = (intptr_t) format;
        i = 1U;
        va_start(ap, format);

        while ((c = *format++) != '\0' && i < TMAX_LOGINFO) {
                if (c != '%') {
                        continue;
                }

                lflag = false;
                c = *format++;
                while ('0' <= c && c <= '9') {
                        c = *format++;
                }
                if (c == 'l') {
                        lflag = true;
                        c = *format++;
                }
                switch (c) {
                case 'd':
                        logbuf.loginfo[i++] = lflag ? (intptr_t) va_arg(ap, long_t)
                                                                                : (intptr_t) va_arg(ap, int_t);
                        break;
                case 'u':
                case 'x':
                case 'X':
                        logbuf.loginfo[i++] = lflag ? (intptr_t) va_arg(ap, ulong_t)
                                                                                : (intptr_t) va_arg(ap, uint_t);
                        break;
                case 'p':
                        logbuf.loginfo[i++] = (intptr_t) va_arg(ap, void *);
                        break;
                case 'c':
                        logbuf.loginfo[i++] = (intptr_t) va_arg(ap, int);
                        break;
                case 's':
                        logbuf.loginfo[i++] = (intptr_t) va_arg(ap, const char *);
                        break;
                case '\0':
                        format--;
                        break;
                default:
                        break;
                }
        }
        va_end(ap);
        (void) syslog_wri_log(prio, &logbuf);
}

#endif /* TOPPERS_OMIT_SYSLOG */