Import ezmlm 0.53

[ezmlm] / log.c

#include "substdio.h"
#include "readwrite.h"
#include "stralloc.h"
#include "log.h"
#include "now.h"
#include "fmt.h"
#include "open.h"

static substdio ss;
static char buf[1];
static char num[FMT_ULONG];
static stralloc line = {0};

void log(event,addr)
char *event;
char *addr;
{
  char ch;
  int fd;

  if (!stralloc_copyb(&line,num,fmt_ulong(num,(unsigned long) now()))) return;
  if (!stralloc_cats(&line," ")) return;
  if (!stralloc_cats(&line,event)) return;
  if (!stralloc_cats(&line," ")) return;
  while (ch = *addr++) {
    if ((ch < 33) || (ch > 126)) ch = '?';
    if (!stralloc_append(&line,&ch)) return;
  }
  if (!stralloc_cats(&line,"\n")) return;

  fd = open_append("Log");
  if (fd == -1) return;
  substdio_fdbuf(&ss,write,fd,buf,sizeof(buf));
  substdio_putflush(&ss,line.s,line.len);
  close(fd);
  return;
}