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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-02-19 14:54:17 +0200
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2008-02-19 16:41:16 +0200
commit86dd9696d3a1acb036d65909d93d73455b8aed3a (patch)
tree9e8bb6797b3bebd0bf83ae1fab2151a6dfeafe6a /ubi-utils/src/ubiupdate.c
parentef644090223e5983ca2492850354c1390e3368d1 (diff)
Revert ubi-tools changes
Restore ubi tools to their "original" state, which means to the state they were before I stareted cleaning them up. Instead, create a "new-utils" subdirectory and move my work there. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'ubi-utils/src/ubiupdate.c')
-rw-r--r--ubi-utils/src/ubiupdate.c295
1 files changed, 0 insertions, 295 deletions
diff --git a/ubi-utils/src/ubiupdate.c b/ubi-utils/src/ubiupdate.c
deleted file mode 100644
index c17b3c5..0000000
--- a/ubi-utils/src/ubiupdate.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * Copyright (c) International Business Machines Corp., 2006
- *
- * 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/*
- * An utility to update UBI volumes.
- *
- * Authors: Frank Haverkamp
- * Joshua W. Boyer
- * Artem Bityutskiy
- */
-
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <getopt.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/stat.h>
-
-#include <libubi.h>
-#include "common.h"
-
-#define PROGRAM_VERSION "1.3"
-#define PROGRAM_NAME "ubiupdate"
-
-struct args {
- int truncate;
- const char *node;
- const char *img;
-};
-
-static struct args args = {
- .truncate = 0,
- .node = NULL,
- .img = NULL,
-};
-
-static const char *doc = PROGRAM_NAME " version " PROGRAM_VERSION
- " - a tool to write data to UBI volumes.";
-
-static const char *optionsstr =
-"-n, --vol_id=<volume id> ID of UBI volume to update\n"
-"-t, --truncate truncate volume (wipe it out)\n"
-"-h, --help print help message\n"
-"-V, --version print program version";
-
-static const char *usage =
-"Usage: " PROGRAM_NAME " <UBI volume node file name> [-t] [-h] [-V] [--truncate] [--help]\n"
-"\t\t[--version] <image file>\n\n"
-"Example 1: " PROGRAM_NAME " /dev/ubi0_1 fs.img - write file \"fs.img\" to UBI volume /dev/ubi0_1\n"
-"Example 2: " PROGRAM_NAME " /dev/ubi0_1 -t - wipe out UBI volume /dev/ubi0_1";
-
-struct option long_options[] = {
- { .name = "truncate", .has_arg = 0, .flag = NULL, .val = 't' },
- { .name = "help", .has_arg = 0, .flag = NULL, .val = 'h' },
- { .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
- { NULL, 0, NULL, 0}
-};
-
-static int parse_opt(int argc, char * const argv[])
-{
- while (1) {
- int key;
-
- key = getopt_long(argc, argv, "n:thV", long_options, NULL);
- if (key == -1)
- break;
-
- switch (key) {
- case 't':
- args.truncate = 1;
- break;
-
- case 'h':
- fprintf(stderr, "%s\n\n", doc);
- fprintf(stderr, "%s\n\n", usage);
- fprintf(stderr, "%s\n", optionsstr);
- exit(EXIT_SUCCESS);
-
- case 'V':
- fprintf(stderr, "%s\n", PROGRAM_VERSION);
- exit(EXIT_SUCCESS);
-
- case ':':
- return errmsg("parameter is missing");
-
- default:
- fprintf(stderr, "Use -h for help\n");
- return -1;
- }
- }
-
- if (optind == argc)
- return errmsg("UBI device name was not specified (use -h for help)");
- else if (optind != argc - 2)
- return errmsg("specify UBI device name and image file name as first 2 "
- "parameters (use -h for help)");
-
- args.node = argv[optind];
- args.img = argv[optind + 1];
-
- return 0;
-}
-
-static int truncate_volume(libubi_t libubi)
-{
- int err, fd;
-
- fd = open(args.node, O_RDWR);
- if (fd == -1)
- return sys_errmsg("cannot open \"%s\"", args.node);
-
- err = ubi_update_start(libubi, fd, 0);
- if (err) {
- sys_errmsg("cannot truncate volume \"%s\"", args.node);
- close(fd);
- return -1;
- }
-
- close(fd);
- return 0;
-}
-
-static int ubi_write(int fd, const void *buf, int len)
-{
- int ret;
-
- while (len) {
- ret = write(fd, buf, len);
- if (ret < 0) {
- if (errno == EINTR) {
- warnmsg("do not interrupt me!");
- continue;
- }
- return sys_errmsg("cannot write %d bytes to volume \"%s\"",
- len, args.node);
- }
-
- if (ret == 0)
- return errmsg("cannot write %d bytes to volume \"%s\"", len, args.node);
-
- len -= ret;
- buf += ret;
- }
-
- return 0;
-}
-
-static int update_volume(libubi_t libubi, struct ubi_vol_info *vol_info)
-{
- int err, fd, ifd;
- long long bytes;
- struct stat st;
- char *buf;
-
- buf = malloc(vol_info->leb_size);
- if (!buf)
- return errmsg("cannot allocate %d bytes of memory", vol_info->leb_size);
-
- err = stat(args.img, &st);
- if (err < 0) {
- errmsg("stat failed on \"%s\"", args.node);
- goto out_free;
- }
-
- bytes = st.st_size;
- if (bytes > vol_info->rsvd_bytes) {
- errmsg("\"%s\" (size %lld) will not fit volume \"%s\" (size %lld)",
- args.img, bytes, args.node, vol_info->rsvd_bytes);
- goto out_free;
- }
-
- fd = open(args.node, O_RDWR);
- if (fd == -1) {
- sys_errmsg("cannot open UBI volume \"%s\"", args.node);
- goto out_free;
- }
-
- ifd = open(args.img, O_RDONLY);
- if (ifd == -1) {
- sys_errmsg("cannot open \"%s\"", args.img);
- goto out_close1;
- }
-
- err = ubi_update_start(libubi, fd, bytes);
- if (err) {
- sys_errmsg("cannot start volume \"%s\" update", args.node);
- goto out_close;
- }
-
- while (bytes) {
- int tocopy = vol_info->leb_size;
-
- if (tocopy > bytes)
- tocopy = bytes;
-
- err = read(ifd, buf, tocopy);
- if (err != tocopy) {
- if (errno == EINTR) {
- warnmsg("do not interrupt me!");
- continue;
- } else {
- sys_errmsg("cannot read %d bytes from \"%s\"",
- tocopy, args.img);
- goto out_close;
- }
- }
-
- err = ubi_write(fd, buf, tocopy);
- if (err)
- goto out_close;
- bytes -= tocopy;
- }
-
- close(ifd);
- close(fd);
- free(buf);
- return 0;
-
-out_close:
- close(ifd);
-out_close1:
- close(fd);
-out_free:
- free(buf);
- return -1;
-}
-
-int main(int argc, char * const argv[])
-{
- int err;
- libubi_t libubi;
- struct ubi_vol_info vol_info;
-
- err = parse_opt(argc, argv);
- if (err)
- return -1;
-
- if (!args.img && !args.truncate)
- return errmsg("incorrect arguments, use -h for help");
-
- libubi = libubi_open();
- if (libubi == NULL) {
- sys_errmsg("cannot open libubi");
- goto out_libubi;
- }
-
- err = ubi_node_type(libubi, args.node);
- if (err == 1) {
- errmsg("\"%s\" is an UBI device node, not an UBI volume node",
- args.node);
- goto out_libubi;
- } else if (err < 0) {
- errmsg("\"%s\" is not an UBI volume node", args.node);
- goto out_libubi;
- }
-
- err = ubi_get_vol_info(libubi, args.node, &vol_info);
- if (err) {
- sys_errmsg("cannot get information about UBI volume \"%s\"",
- args.node);
- goto out_libubi;
- }
-
- if (args.truncate)
- err = truncate_volume(libubi);
- else
- err = update_volume(libubi, &vol_info);
- if (err)
- goto out_libubi;
-
- libubi_close(libubi);
- return 0;
-
-out_libubi:
- libubi_close(libubi);
- return -1;
-}