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#include <sys/time.h>
#include <sys/types.h>
#include <syslog.h>
#include <unistd.h>

#include "buffer.h"
#include "error.h"
#include "exit.h"
#include "fmt.h"
#include "scan.h"
#include "str.h"

char buf[800];  /* syslog truncates long lines (or crashes); GPACIC */
int bufpos = 0; /* 0 <= bufpos < sizeof(buf) */
int flagcont = 0;
int priority;                          /* defined if flagcont */
char stamp[FMT_ULONG + FMT_ULONG + 3]; /* defined if flagcont */

void stamp_make()
{
  struct timeval tv;
  char *s;
  gettimeofday(&tv, (struct timezone *)0);
  s = stamp;
  s += fmt_ulong(s, (unsigned long)tv.tv_sec);
  *s++ = '.';
  s += fmt_uint0(s, (unsigned int)tv.tv_usec, 6);
  *s = 0;
}

void flush()
{
  if (bufpos) {
    buf[bufpos] = 0;
    if (flagcont)
      syslog(priority, "%s+%s", stamp, buf); /* logger folds invisibly; GPACIC */
    else {
      stamp_make();
      priority = LOG_INFO;
      if (str_start(buf, "warning:")) priority = LOG_WARNING;
      if (str_start(buf, "alert:")) priority = LOG_ALERT;
      syslog(priority, "%s %s", stamp, buf);
      flagcont = 1;
    }
  }
  bufpos = 0;
}

int main(int argc, char **argv)
{
  char ch;

  if (argv[1])
    if (argv[2]) {
      unsigned long facility;
      scan_ulong(argv[2], &facility);
      openlog(argv[1], 0, facility << 3);
    } else
      openlog(argv[1], 0, LOG_MAIL);
  else
    openlog("splogger", 0, LOG_MAIL);

  for (;;) {
    if (buffer_get(buffer_0, &ch, 1) < 1) _exit(0);
    if (ch == '\n') {
      flush();
      flagcont = 0;
      continue;
    }
    if (bufpos == sizeof(buf) - 1) flush();
    if ((ch < 32) || (ch > 126)) ch = '?'; /* logger truncates at 0; GPACIC */
    buf[bufpos++] = ch;
  }
}