35 lines
797 B
C
35 lines
797 B
C
/* $Header$ */
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/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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#define MININT (1 << (sizeof(int) * 8 - 1))
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#define MAXCHUNK (~MININT) /* Highest count we read(2). */
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/* Unfortunately, MAXCHUNK is too large with some compilers. Put it in
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an int!
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*/
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#include <sys/types.h>
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#include <unistd.h>
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#include "archiver.h"
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#include "rd_bytes.h"
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static int maxchunk = MAXCHUNK;
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/*
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* We don't have to worry about byte order here.
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* Just read "cnt" bytes from file-descriptor "fd".
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*/
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void rd_bytes(int fd, char *string, long cnt)
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{
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while (cnt) {
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register int n = cnt >= maxchunk ? maxchunk : cnt;
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if (read(fd, string, n) != n)
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rd_fatal();
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string += n;
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cnt -= n;
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}
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}
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