sbase/libutil/concat.c

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/* See LICENSE file for copyright and license details. */
#include <stdio.h>
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#include "../text.h"
#include "../util.h"
void
concat(FILE *fp1, const char *s1, FILE *fp2, const char *s2)
{
char buf[BUFSIZ];
size_t n;
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while ((n = fread(buf, 1, sizeof(buf), fp1))) {
fwrite(buf, 1, n, fp2);
if (ferror(fp2))
eprintf("fwrite %s:", s2);
if (feof(fp1) || ferror(fp1))
break;
}
if (ferror(fp1))
eprintf("fread %s", s1);
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}