The Tcpdump Group git mirrors - libpcap/blob - missing/win_snprintf.c

   1 #include <stdio.h>
   2 #include <stdarg.h>
   3
   4 int
   5 pcap_vsnprintf(char *str, size_t str_size, const char *format, va_list args)
   6 {
   7         int ret;
   8
   9         ret = _vsnprintf_s(str, str_size, _TRUNCATE, format, args);
  10
  11         /*
  12          * XXX - _vsnprintf() and _snprintf() do *not* guarantee
  13          * that str is null-terminated, but C99's vsnprintf()
  14          * and snprintf() do, and we want to offer C99 behavior,
  15          * so forcibly null-terminate the string.
  16          */
  17         str[str_size - 1] = '\0';
  18         return (ret);
  19 }
  20
  21 int
  22 pcap_snprintf(char *str, size_t str_size, const char *format, ...)
  23 {
  24         va_list args;
  25         int ret;
  26
  27         va_start(args, format);
  28         ret = pcap_vsnprintf(str, str_size, format, args);
  29         va_end(args);
  30         return (ret);
  31 }