109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
/* msyslog.c,v 3.1 1993/07/06 01:08:36 jbj Exp
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* msyslog - either send a message to the terminal or print it on
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* the standard output.
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*
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* Converted to use varargs, much better ... jks
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*/
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#include <stdio.h>
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#include <errno.h>
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/* alternative, as Solaris 2.x defines __STDC__ as 0 in a largely standard
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conforming environment
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#if __STDC__ || (defined(SOLARIS) && defined(__STDC__))
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*/
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#ifdef __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include "ntp_types.h"
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#include "ntp_string.h"
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#include "ntp_syslog.h"
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#include "ntp_stdlib.h"
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#undef syslog
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int syslogit = 1;
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FILE *syslog_file = NULL;
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extern int errno;
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extern char *progname;
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#if defined(__STDC__)
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void msyslog(int level, char *fmt, ...)
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#else
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/*VARARGS*/
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void msyslog(va_alist)
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va_dcl
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#endif
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{
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#ifndef __STDC__
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int level;
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char *fmt;
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#endif
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va_list ap;
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char buf[1025], nfmt[256], xerr[50];
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const char *err;
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register int c, l;
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register char *n, *f, *prog;
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extern int sys_nerr;
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int olderrno;
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#ifdef __STDC__
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va_start(ap, fmt);
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#else
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va_start(ap);
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level = va_arg(ap, int);
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fmt = va_arg(ap, char *);
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#endif
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olderrno = errno;
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n = nfmt;
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f = fmt;
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while ((c = *f++) != '\0' && c != '\n' && n < &nfmt[252]) {
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if (c != '%') {
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*n++ = c;
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continue;
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}
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if ((c = *f++) != 'm') {
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*n++ = '%';
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*n++ = c;
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continue;
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}
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if ((unsigned)olderrno > sys_nerr)
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sprintf((char *)(err = xerr), "error %d", olderrno);
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else
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err = sys_errlist[olderrno];
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if (n + (l = strlen(err)) < &nfmt[254]) {
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strcpy(n, err);
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n += strlen(err);
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}
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}
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if (!syslogit)
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*n++ = '\n';
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*n = '\0';
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vsprintf(buf, nfmt, ap);
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if (syslogit)
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syslog(level, buf);
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else {
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extern char * humanlogtime P((void));
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FILE *out_file = syslog_file ? syslog_file
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: level <= LOG_ERR ? stderr : stdout;
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/* syslog() provides the timestamp, so if we're not using
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syslog, we must provide it. */
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prog = strrchr(progname, '/');
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if (prog == NULL)
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prog = progname;
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else
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prog++;
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(void) fprintf(out_file, "%s ", humanlogtime ());
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(void) fprintf(out_file, "%s: %s", prog, buf);
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fflush (out_file);
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}
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va_end(ap);
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}
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