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-rw-r--r--qemu-mkcow.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/qemu-mkcow.c b/qemu-mkcow.c
deleted file mode 100644
index ee41ec8a14..0000000000
--- a/qemu-mkcow.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * create a COW disk image
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <string.h>
-#include <getopt.h>
-#include <inttypes.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <time.h>
-#include <sys/time.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <netinet/in.h>
-
-#include "cow.h"
-
-#include "bswap.h"
-
-int cow_create(int cow_fd, const char *image_filename,
- int64_t image_sectors)
-{
- struct cow_header_v2 cow_header;
- int fd;
- struct stat st;
-
- memset(&cow_header, 0, sizeof(cow_header));
- cow_header.magic = htonl(COW_MAGIC);
- cow_header.version = htonl(COW_VERSION);
- if (image_filename) {
- fd = open(image_filename, O_RDONLY);
- if (fd < 0) {
- perror(image_filename);
- exit(1);
- }
- image_sectors = lseek64(fd, 0, SEEK_END);
- if (fstat(fd, &st) != 0) {
- close(fd);
- return -1;
- }
- close(fd);
- image_sectors /= 512;
- cow_header.mtime = htonl(st.st_mtime);
- realpath(image_filename, cow_header.backing_file);
- }
- cow_header.sectorsize = htonl(512);
- cow_header.size = image_sectors * 512;
-#ifndef WORDS_BIGENDIAN
- cow_header.size = bswap64(cow_header.size);
-#endif
- write(cow_fd, &cow_header, sizeof(cow_header));
- /* resize to include at least all the bitmap */
- ftruncate(cow_fd, sizeof(cow_header) + ((image_sectors + 7) >> 3));
- lseek(cow_fd, 0, SEEK_SET);
- return 0;
-}
-
-void help(void)
-{
- printf("qemu-mkcow version " QEMU_VERSION ", Copyright (c) 2003 Fabrice Bellard\n"
- "usage: qemu-mkcow [-h] [-f disk_image] cow_image [cow_size]\n"
- "Create a Copy On Write disk image from an optional raw disk image\n"
- "\n"
- "-f disk_image set the raw disk image name\n"
- "cow_image the created cow_image\n"
- "cow_size the create cow_image size in MB if no raw disk image is used\n"
- "\n"
- "Once the cow_image is created from a raw disk image, you must not modify the original raw disk image\n"
- );
- exit(1);
-}
-
-int main(int argc, char **argv)
-{
- const char *image_filename, *cow_filename;
- int cow_fd, c, nb_args, simple_image;
- int64_t image_size;
-
- image_filename = NULL;
- image_size = 0;
- simple_image = 0;
- for(;;) {
- c = getopt(argc, argv, "hf:s");
- if (c == -1)
- break;
- switch(c) {
- case 'h':
- help();
- break;
- case 'f':
- image_filename = optarg;
- break;
- case 's':
- simple_image = 1;
- break;
- }
- }
- if (!image_filename)
- nb_args = 2;
- else
- nb_args = 1;
- if (optind + nb_args != argc)
- help();
-
- cow_filename = argv[optind];
- if (nb_args == 2) {
- image_size = (int64_t)atoi(argv[optind + 1]) * 2 * 1024;
- }
-
- cow_fd = open(cow_filename, O_RDWR | O_CREAT | O_TRUNC | O_LARGEFILE, 0644);
- if (!cow_fd < 0)
- return -1;
- if (simple_image) {
- ftruncate64(cow_fd, image_size * 512);
- } else {
- if (cow_create(cow_fd, image_filename, image_size) < 0) {
- fprintf(stderr, "%s: error while formating\n", cow_filename);
- exit(1);
- }
- }
- close(cow_fd);
- return 0;
-}