share/usterr.c

   1 #include <stdarg.h>
   2 #include <unistd.h>
   3
   4 int safe_printf(const char *fmt, ...)
   5 {
   6         static char buf[500];
   7         va_list ap;
   8         int n;
   9
  10         va_start(ap, fmt);
  11
  12         n = vsnprintf(buf, sizeof(buf), fmt, ap);
  13
  14         write(STDOUT_FILENO, buf, n);
  15
  16         va_end(ap);
  17 }
  18