mdw@git.distorted.org.uk Git - ezmlm/blob - log.c

   1 #include "substdio.h"
   2 #include "readwrite.h"
   3 #include "stralloc.h"
   4 #include "log.h"
   5 #include "now.h"
   6 #include "fmt.h"
   7 #include "open.h"
   8
   9 static substdio ss;
  10 static char buf[1];
  11 static char num[FMT_ULONG];
  12 static stralloc line = {0};
  13
  14 void log(event,addr)
  15 char *event;
  16 char *addr;
  17 {
  18   char ch;
  19   int fd;
  20
  21   if (!stralloc_copyb(&line,num,fmt_ulong(num,(unsigned long) now()))) return;
  22   if (!stralloc_cats(&line," ")) return;
  23   if (!stralloc_cats(&line,event)) return;
  24   if (!stralloc_cats(&line," ")) return;
  25   while (ch = *addr++) {
  26     if ((ch < 33) || (ch > 126)) ch = '?';
  27     if (!stralloc_append(&line,&ch)) return;
  28   }
  29   if (!stralloc_cats(&line,"\n")) return;
  30
  31   fd = open_append("Log");
  32   if (fd == -1) return;
  33   substdio_fdbuf(&ss,write,fd,buf,sizeof(buf));
  34   substdio_putflush(&ss,line.s,line.len);
  35   close(fd);
  36   return;
  37 }