sbase/util/concat.c

/* See LICENSE file for copyright and license details. */
#include <stdio.h>

#include "../text.h"
#include "../util.h"

void
concat(FILE *fp1, const char *s1, FILE *fp2, const char *s2)
{
	char buf[BUFSIZ];
	size_t n;

	while((n = fread(buf, 1, sizeof buf, fp1)) > 0) {
		if(fwrite(buf, 1, n, fp2) != n)
			eprintf("%s: write error:", s2);
	}

	if(ferror(fp1))
		eprintf("%s: read error:", s1);
}