FreeBSD libfetch を使ってみる

% cc fetch.c -lfetch

#include <err.h>
#include <sys/param.h>
#include <stdio.h>
#include <fetch.h>

void
fetchPrint (char *URL)
{
	struct url *url;

	url = fetchParseURL (URL);
	if (NULL == url)
	{
		warnx ("%s: parse error", URL);
		return;
	}

	FILE *f;
	char flags[8] = { 0 };
	struct url_stat us;
	f = fetchXGet (url, & us, flags);
	if (NULL == f)
	{
		warnx ("%s: %s", URL, fetchLastErrString);
		free (url);
		return;
	}

	char buf[256];
	size_t  size;

	while (! feof (f) )
	{
		size = fread (buf, 1, sizeof (buf), f);
		if (size == 0)
		{
			break;
		}
		fwrite (buf, 1, size, stdout);
	}

	fclose (f);
	free (url);
}