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