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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sparse/sparse.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#ifndef O_BINARY
#define O_BINARY 0
#endif
void usage() {
fprintf(stderr, "Usage: simg2img <sparse_image_files> <raw_image_file>\n");
}
int main(int argc, char* argv[]) {
int in;
int out;
int i;
struct sparse_file* s;
if (argc < 3) {
usage();
exit(EXIT_FAILURE);
}
out = open(argv[argc - 1], O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0664);
if (out < 0) {
fprintf(stderr, "Cannot open output file %s\n", argv[argc - 1]);
exit(EXIT_FAILURE);
}
for (i = 1; i < argc - 1; i++) {
if (strcmp(argv[i], "-") == 0) {
in = STDIN_FILENO;
} else {
in = open(argv[i], O_RDONLY | O_BINARY);
if (in < 0) {
fprintf(stderr, "Cannot open input file %s\n", argv[i]);
exit(EXIT_FAILURE);
}
}
s = sparse_file_import(in, true, false);
if (!s) {
fprintf(stderr, "Failed to read sparse file\n");
exit(EXIT_FAILURE);
}
if (lseek(out, 0, SEEK_SET) == -1) {
perror("lseek failed");
exit(EXIT_FAILURE);
}
if (sparse_file_write(s, out, false, false, false) < 0) {
fprintf(stderr, "Cannot write output file\n");
exit(EXIT_FAILURE);
}
sparse_file_destroy(s);
close(in);
}
close(out);
exit(EXIT_SUCCESS);
}
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