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 } 32
