ACPR/android_system_core
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fastboot: call mke2fs to format ext4 filesystem on windows

Browse source 
Bug: 35219933
Change-Id: I0cc8c165176e8dc9cbe4b6a52679937bc872e2d0
(cherry picked from commit 29fc859a6d)
This commit is contained in:
Jin Qian 2017-07-10 16:04:41 -07:00
parent ffef31cef1
commit 92064ef073
1 changed files with 46 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
fastboot/fs.cpp
View file

@ -12,10 +12,14 @@
#include <sys/types.h>
#ifndef WIN32
#include <sys/wait.h>
#else
#include <tchar.h>
#include <windows.h>
#endif
#include <unistd.h>
#include <vector>
#include <android-base/errors.h>
#include <android-base/file.h>
#include <android-base/stringprintf.h>
#include <android-base/unique_fd.h>
@ -26,21 +30,49 @@ using android::base::StringPrintf;
using android::base::unique_fd;
#ifdef WIN32
static int generate_ext4_image(const char* fileName, long long partSize, const std::string& initial_dir,
unsigned eraseBlkSize, unsigned logicalBlkSize)
{
unique_fd fd(open(fileName, O_CREAT | O_RDWR | O_TRUNC, S_IRUSR | S_IWUSR));
if (fd == -1) {
fprintf(stderr, "Unable to open output file for EXT4 filesystem: %s\n", strerror(errno));
static int exec_e2fs_cmd(const char* path, char* const argv[]) {
std::string cmd;
int i = 0;
while (argv[i] != nullptr) {
cmd += argv[i++];
cmd += " ";
}
cmd = cmd.substr(0, cmd.size() - 1);
STARTUPINFO si;
PROCESS_INFORMATION pi;
DWORD exit_code = 0;
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
ZeroMemory(&pi, sizeof(pi));
SetEnvironmentVariableA("MKE2FS_CONFIG", "");
if (!CreateProcessA(nullptr, // No module name (use command line)
const_cast<char*>(cmd.c_str()), // Command line
nullptr, // Process handle not inheritable
nullptr, // Thread handle not inheritable
FALSE, // Set handle inheritance to FALSE
0, // No creation flags
nullptr, // Use parent's environment block
nullptr, // Use parent's starting directory
&si, // Pointer to STARTUPINFO structure
&pi) // Pointer to PROCESS_INFORMATION structure
) {
fprintf(stderr, "CreateProcess failed: %s\n",
android::base::SystemErrorCodeToString(GetLastError()).c_str());
return -1;
}
if (initial_dir.empty()) {
make_ext4fs_sparse_fd_align(fd, partSize, NULL, NULL, eraseBlkSize, logicalBlkSize);
} else {
make_ext4fs_sparse_fd_directory_align(fd, partSize, NULL, NULL, initial_dir.c_str(),
eraseBlkSize, logicalBlkSize);
}
return 0;
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess, &exit_code);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
return exit_code != 0;
}
#else
static int exec_e2fs_cmd(const char* path, char* const argv[]) {
@ -68,6 +100,7 @@ static int exec_e2fs_cmd(const char* path, char* const argv[]) {
}
return ret;
}
#endif
static int generate_ext4_image(const char* fileName, long long partSize,
const std::string& initial_dir, unsigned eraseBlkSize,
@ -119,7 +152,6 @@ static int generate_ext4_image(const char* fileName, long long partSize,
return 0;
}
#endif
#ifdef USE_F2FS
static int generate_f2fs_image(const char* fileName, long long partSize, const std::string& initial_dir,