57 lines
867 B
C
57 lines
867 B
C
/* $NetBSD: cvt.c,v 1.3 2002/07/10 18:53:57 wiz Exp $ */
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/*
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* Quick hack to convert old binary sup when.collection files into
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* the new ascii format.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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int
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main(int argc, char **argv)
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{
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long b;
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FILE *fp;
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int fd;
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if (argc != 2) {
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(void) fprintf(stderr, "Usage: %s <filename>\n", argv[0]);
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return 1;
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}
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if ((fd = open(argv[1], O_RDWR)) == -1) {
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perror("open");
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return 1;
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}
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if (read(fd, &b, sizeof(b)) != sizeof(b)) {
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perror("read");
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return 1;
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}
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if (lseek(fd, 0, SEEK_SET) == -1) {
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perror("lseek");
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return 1;
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}
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(void) close(fd);
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if ((fp = fopen(argv[1], "w")) == NULL) {
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perror("fopen");
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return 1;
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}
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if (fprintf(fp, "%ld\n", b) < 0) {
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perror("fprintf");
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return 1;
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}
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if (fclose(fp) != 0) {
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perror("fclose");
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return 1;
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}
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return 0;
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}
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