38 lines
589 B
C
38 lines
589 B
C
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/* See LICENSE file for copyright and license details. */
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#include <fcntl.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s file...\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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FILE *fp;
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ARGBEGIN {
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default:
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usage();
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} ARGEND;
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if (argc == 0)
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usage();
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for (; argc > 0; argc--, argv++) {
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if (!(fp = fopen(argv[0], "r"))) {
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weprintf("fopen %s:", argv[0]);
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continue;
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}
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if (readahead(fileno(fp), 0, -1) < 0)
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weprintf("readahead %s:", argv[0]);
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fclose(fp);
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}
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return EXIT_SUCCESS;
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}
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