--- /dev/null
+#include <stdio.h>
+#include <stdarg.h>
+
+int
+pcap_vsnprintf(char *str, size_t str_size, const char *format, va_list args)
+{
+ int ret;
+
+ ret = _vsnprintf(str, str_size, format, args);
+
+ /*
+ * XXX - _vsnprintf() and _snprintf() do *not* guarantee
+ * that str is null-terminated, but C99's vsnprintf()
+ * and snprintf() do, and we want to offer C99 behavior,
+ * so forcibly null-terminate the string.
+ */
+ str[str_size - 1] = '\0';
+ return (ret);
+}
+
+int
+pcap_snprintf(char *str, size_t str_size, const char *format, ...)
+{
+ va_list args;
+ int ret;
+
+ va_start(args, format);
+ ret = pcap_vsnprintf(str, str_size, format, args);
+ va_end(args);
+ return (ret);
+}