b3e8b17235
Be more pedantic about the error-checking, fread can also return values > 0 even though there has been a read-error. We want to write the last incoming data and then bail.
23 lines
436 B
C
23 lines
436 B
C
/* See LICENSE file for copyright and license details. */
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#include <stdio.h>
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#include "../text.h"
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#include "../util.h"
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void
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concat(FILE *fp1, const char *s1, FILE *fp2, const char *s2)
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{
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char buf[BUFSIZ];
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size_t n;
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while ((n = fread(buf, 1, sizeof(buf), fp1))) {
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fwrite(buf, 1, n, fp2);
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if (ferror(fp2))
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eprintf("fwrite %s:", s2);
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if (feof(fp1) || ferror(fp1))
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break;
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}
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if (ferror(fp1))
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eprintf("fread %s", s1);
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}
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