summaryrefslogtreecommitdiff
path: root/libsparse/append2simg.cpp
diff options
context:
space:
mode:
authorJerry Zhang <zhangjerry@google.com>2018-06-12 16:42:09 -0700
committerJerry Zhang <zhangjerry@google.com>2018-06-13 20:32:24 +0000
commit7b444f08c17ed1b82ea1a1560e109c0a173e700f (patch)
treeb73fa22396eefbd3e71d151c581ae957383aaf7c /libsparse/append2simg.cpp
parent5a755077958dd4f7fb668a125b57dea8d85cd9a8 (diff)
libsparse: Add .clang-format and reformat to google3 style
Bug: 78793464 Test: compiles Change-Id: I8e44ba77195a12fc2bac7d4276bbc4aa95149b31
Diffstat (limited to 'libsparse/append2simg.cpp')
-rw-r--r--libsparse/append2simg.cpp188
1 files changed, 93 insertions, 95 deletions
diff --git a/libsparse/append2simg.cpp b/libsparse/append2simg.cpp
index 83450a0d9..99f433981 100644
--- a/libsparse/append2simg.cpp
+++ b/libsparse/append2simg.cpp
@@ -25,8 +25,8 @@
#include <unistd.h>
#include <sparse/sparse.h>
-#include "sparse_file.h"
#include "backed_block.h"
+#include "sparse_file.h"
#ifndef O_BINARY
#define O_BINARY 0
@@ -40,100 +40,98 @@
#define off64_t off_t
#endif
-void usage()
-{
- fprintf(stderr, "Usage: append2simg <output> <input>\n");
+void usage() {
+ fprintf(stderr, "Usage: append2simg <output> <input>\n");
}
-int main(int argc, char *argv[])
-{
- int output;
- int output_block;
- char *output_path;
- struct sparse_file *sparse_output;
-
- int input;
- char *input_path;
- off64_t input_len;
-
- int tmp_fd;
- char *tmp_path;
-
- int ret;
-
- if (argc == 3) {
- output_path = argv[1];
- input_path = argv[2];
- } else {
- usage();
- exit(-1);
- }
-
- ret = asprintf(&tmp_path, "%s.append2simg", output_path);
- if (ret < 0) {
- fprintf(stderr, "Couldn't allocate filename\n");
- exit(-1);
- }
-
- output = open(output_path, O_RDWR | O_BINARY);
- if (output < 0) {
- fprintf(stderr, "Couldn't open output file (%s)\n", strerror(errno));
- exit(-1);
- }
-
- sparse_output = sparse_file_import_auto(output, false, true);
- if (!sparse_output) {
- fprintf(stderr, "Couldn't import output file\n");
- exit(-1);
- }
-
- input = open(input_path, O_RDONLY | O_BINARY);
- if (input < 0) {
- fprintf(stderr, "Couldn't open input file (%s)\n", strerror(errno));
- exit(-1);
- }
-
- input_len = lseek64(input, 0, SEEK_END);
- if (input_len < 0) {
- fprintf(stderr, "Couldn't get input file length (%s)\n", strerror(errno));
- exit(-1);
- } else if (input_len % sparse_output->block_size) {
- fprintf(stderr, "Input file is not a multiple of the output file's block size");
- exit(-1);
- }
- lseek64(input, 0, SEEK_SET);
-
- output_block = sparse_output->len / sparse_output->block_size;
- if (sparse_file_add_fd(sparse_output, input, 0, input_len, output_block) < 0) {
- fprintf(stderr, "Couldn't add input file\n");
- exit(-1);
- }
- sparse_output->len += input_len;
-
- tmp_fd = open(tmp_path, O_WRONLY | O_CREAT | O_BINARY, 0664);
- if (tmp_fd < 0) {
- fprintf(stderr, "Couldn't open temporary file (%s)\n", strerror(errno));
- exit(-1);
- }
-
- lseek64(output, 0, SEEK_SET);
- if (sparse_file_write(sparse_output, tmp_fd, false, true, false) < 0) {
- fprintf(stderr, "Failed to write sparse file\n");
- exit(-1);
- }
-
- sparse_file_destroy(sparse_output);
- close(tmp_fd);
- close(output);
- close(input);
-
- ret = rename(tmp_path, output_path);
- if (ret < 0) {
- fprintf(stderr, "Failed to rename temporary file (%s)\n", strerror(errno));
- exit(-1);
- }
-
- free(tmp_path);
-
- exit(0);
+int main(int argc, char* argv[]) {
+ int output;
+ int output_block;
+ char* output_path;
+ struct sparse_file* sparse_output;
+
+ int input;
+ char* input_path;
+ off64_t input_len;
+
+ int tmp_fd;
+ char* tmp_path;
+
+ int ret;
+
+ if (argc == 3) {
+ output_path = argv[1];
+ input_path = argv[2];
+ } else {
+ usage();
+ exit(-1);
+ }
+
+ ret = asprintf(&tmp_path, "%s.append2simg", output_path);
+ if (ret < 0) {
+ fprintf(stderr, "Couldn't allocate filename\n");
+ exit(-1);
+ }
+
+ output = open(output_path, O_RDWR | O_BINARY);
+ if (output < 0) {
+ fprintf(stderr, "Couldn't open output file (%s)\n", strerror(errno));
+ exit(-1);
+ }
+
+ sparse_output = sparse_file_import_auto(output, false, true);
+ if (!sparse_output) {
+ fprintf(stderr, "Couldn't import output file\n");
+ exit(-1);
+ }
+
+ input = open(input_path, O_RDONLY | O_BINARY);
+ if (input < 0) {
+ fprintf(stderr, "Couldn't open input file (%s)\n", strerror(errno));
+ exit(-1);
+ }
+
+ input_len = lseek64(input, 0, SEEK_END);
+ if (input_len < 0) {
+ fprintf(stderr, "Couldn't get input file length (%s)\n", strerror(errno));
+ exit(-1);
+ } else if (input_len % sparse_output->block_size) {
+ fprintf(stderr, "Input file is not a multiple of the output file's block size");
+ exit(-1);
+ }
+ lseek64(input, 0, SEEK_SET);
+
+ output_block = sparse_output->len / sparse_output->block_size;
+ if (sparse_file_add_fd(sparse_output, input, 0, input_len, output_block) < 0) {
+ fprintf(stderr, "Couldn't add input file\n");
+ exit(-1);
+ }
+ sparse_output->len += input_len;
+
+ tmp_fd = open(tmp_path, O_WRONLY | O_CREAT | O_BINARY, 0664);
+ if (tmp_fd < 0) {
+ fprintf(stderr, "Couldn't open temporary file (%s)\n", strerror(errno));
+ exit(-1);
+ }
+
+ lseek64(output, 0, SEEK_SET);
+ if (sparse_file_write(sparse_output, tmp_fd, false, true, false) < 0) {
+ fprintf(stderr, "Failed to write sparse file\n");
+ exit(-1);
+ }
+
+ sparse_file_destroy(sparse_output);
+ close(tmp_fd);
+ close(output);
+ close(input);
+
+ ret = rename(tmp_path, output_path);
+ if (ret < 0) {
+ fprintf(stderr, "Failed to rename temporary file (%s)\n", strerror(errno));
+ exit(-1);
+ }
+
+ free(tmp_path);
+
+ exit(0);
}