2aef98cb23
Placed here for reference as to what remains to be done. The orig/ subdir is the unmodified tools from anaconda. The scratch/ subdir is a merge of orig in to a working area. I delete blocks of code from there as I rewrite them.
63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
|
|
* geninitrdsz.c
|
|
* Generate initrd.size file for zSeries platforms.
|
|
* Takes an integer argument and writes out the binary representation of
|
|
* that value to the initrd.size file.
|
|
* https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=197773
|
|
*
|
|
* Copyright (C) 2007 Red Hat, Inc. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <netinet/in.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
int main(int argc,char **argv) {
|
|
unsigned int zero = 0;
|
|
int fd;
|
|
unsigned int size;
|
|
mode_t mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH;
|
|
|
|
if (argc != 3) {
|
|
printf("Usage: %s [integer size] [output file]\n", basename(argv[0]));
|
|
printf("Example: %s 12288475 initrd.size\n", basename(argv[0]));
|
|
return 0;
|
|
}
|
|
|
|
size = htonl(atoi(argv[1]));
|
|
fd = open(argv[2], O_CREAT | O_RDWR, mode);
|
|
|
|
if (write(fd, &zero, sizeof(int)) == -1) {
|
|
perror("writing initrd.size (zero)");
|
|
return errno;
|
|
}
|
|
|
|
if (write(fd, &size, sizeof(int)) == -1) {
|
|
perror("writing initrd.size (size)");
|
|
return errno;
|
|
}
|
|
|
|
close(fd);
|
|
return 0;
|
|
}
|