C++ (Cpp) stravis示例

示例#1

文件： log.c 项目： ajinkya93/netbsd-src

/* Write a log message. */
void
log_vwrite(const char *msg, va_list ap)
{
	char		*fmt, *out;
	struct timeval	 tv;

	if (log_file == NULL)
		return;

	if (vasprintf(&fmt, msg, ap) == -1)
		exit(1);
#ifdef notyet
	if (stravis(&out, fmt, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL) == -1)
		exit(1);
#else
	size_t len = strlen(fmt) * 4 + 1;
	out = xmalloc(len);
	if (strnvis(out, len, fmt, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL) == -1)
		exit(1);
#endif

	gettimeofday(&tv, NULL);
	if (fprintf(log_file, "%lld.%06d %s\n", (long long)tv.tv_sec,
	    (int)tv.tv_usec, out) == -1)
		exit(1);
	fflush(log_file);
	free(out);
	free(fmt);
}

示例#2

文件： log.c 项目： Brijen/tmux

/* Write a log message. */
void
log_vwrite(const char *msg, va_list ap)
{
	char		*fmt, *out;
	struct timeval	 tv;

	if (log_file == NULL)
		return;

	if (vasprintf(&fmt, msg, ap) == -1)
		exit(1);
	if (stravis(&out, fmt, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL) == -1)
		exit(1);

	gettimeofday(&tv, NULL);
	if (fprintf(log_file, "%lld.%06d %s\n", (long long)tv.tv_sec,
	    (int)tv.tv_usec, out) == -1)
		exit(1);
	fflush(log_file);

	free(out);
	free(fmt);
}