mirror of
https://github.com/HowardHinnant/date.git
synced 2025-01-14 01:37:57 +08:00
Updated on behalf of schmidt9
This commit is contained in:
Howard Hinnant
parent
543315b700
commit
15a63ec819
@ -28,7 +28,7 @@
|
||||
|
||||
#include <Foundation/Foundation.h>
|
||||
|
||||
#include <iostream>
|
||||
#include <fstream>
|
||||
#include <zlib.h>
|
||||
#include <sys/stat.h>
|
||||
|
||||
@ -49,401 +49,289 @@
|
||||
|
||||
namespace date
|
||||
{
|
||||
namespace iOSUtils
|
||||
{
|
||||
|
||||
struct TarInfo
|
||||
{
|
||||
char objType;
|
||||
std::string objName;
|
||||
int64_t realContentSize; // writable size without padding zeroes
|
||||
int64_t blocksContentSize; // adjusted size to 512 bytes blocks
|
||||
bool success;
|
||||
};
|
||||
|
||||
std::string convertCFStringRefPathToCStringPath(CFStringRef ref);
|
||||
bool extractTzdata(CFURLRef homeUrl, CFURLRef archiveUrl, std::string destPath);
|
||||
TarInfo getTarObjectInfo(CFReadStreamRef readStream, int64_t location);
|
||||
std::string getTarObject(CFReadStreamRef readStream, int64_t size);
|
||||
bool writeFile(CFURLRef tzdataUrl, std::string fileName, std::string data,
|
||||
int64_t realContentSize);
|
||||
|
||||
std::string
|
||||
get_current_timezone()
|
||||
{
|
||||
CFTimeZoneRef tzRef = CFTimeZoneCopySystem();
|
||||
CFStringRef tzNameRef = CFTimeZoneGetName(tzRef);
|
||||
CFIndex bufferSize = CFStringGetLength(tzNameRef) + 1;
|
||||
char buffer[bufferSize];
|
||||
|
||||
if (CFStringGetCString(tzNameRef, buffer, bufferSize, kCFStringEncodingUTF8))
|
||||
namespace iOSUtils
|
||||
{
|
||||
CFRelease(tzRef);
|
||||
return std::string(buffer);
|
||||
}
|
||||
|
||||
CFRelease(tzRef);
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
std::string
|
||||
get_tzdata_path()
|
||||
{
|
||||
CFURLRef homeUrlRef = CFCopyHomeDirectoryURL();
|
||||
CFStringRef homePath = CFURLCopyPath(homeUrlRef);
|
||||
std::string path(std::string(convertCFStringRefPathToCStringPath(homePath)) +
|
||||
INTERNAL_DIR + "/" + TZDATA_DIR);
|
||||
std::string result_path(std::string(convertCFStringRefPathToCStringPath(homePath)) +
|
||||
INTERNAL_DIR);
|
||||
|
||||
if (access(path.c_str(), F_OK) == 0)
|
||||
{
|
||||
#if TAR_DEBUG
|
||||
printf("tzdata dir exists\n");
|
||||
#endif
|
||||
CFRelease(homeUrlRef);
|
||||
CFRelease(homePath);
|
||||
|
||||
return result_path;
|
||||
}
|
||||
|
||||
CFBundleRef mainBundle = CFBundleGetMainBundle();
|
||||
CFArrayRef paths = CFBundleCopyResourceURLsOfType(mainBundle, CFSTR(TARGZ_EXTENSION),
|
||||
NULL);
|
||||
|
||||
if (CFArrayGetCount(paths) != 0)
|
||||
{
|
||||
// get archive path, assume there is no other tar.gz in bundle
|
||||
CFURLRef archiveUrl = static_cast<CFURLRef>(CFArrayGetValueAtIndex(paths, 0));
|
||||
CFStringRef archiveName = CFURLCopyPath(archiveUrl);
|
||||
archiveUrl = CFBundleCopyResourceURL(mainBundle, archiveName, NULL, NULL);
|
||||
|
||||
extractTzdata(homeUrlRef, archiveUrl, path);
|
||||
|
||||
CFRelease(archiveUrl);
|
||||
CFRelease(archiveName);
|
||||
}
|
||||
|
||||
CFRelease(homeUrlRef);
|
||||
CFRelease(homePath);
|
||||
CFRelease(paths);
|
||||
|
||||
return result_path;
|
||||
}
|
||||
|
||||
std::string
|
||||
convertCFStringRefPathToCStringPath(CFStringRef ref)
|
||||
{
|
||||
CFIndex bufferSize = CFStringGetMaximumSizeOfFileSystemRepresentation(ref);
|
||||
char *buffer = new char[bufferSize];
|
||||
CFStringGetFileSystemRepresentation(ref, buffer, bufferSize);
|
||||
auto result = std::string(buffer);
|
||||
delete[] buffer;
|
||||
return result;
|
||||
}
|
||||
|
||||
bool extractTzdata(CFURLRef homeUrl, CFURLRef archiveUrl, std::string destPath)
|
||||
{
|
||||
const char *TAR_TMP_PATH = "/tmp.tar";
|
||||
|
||||
// create Library path
|
||||
CFStringRef libraryStr = CFStringCreateWithCString(NULL, INTERNAL_DIR,
|
||||
CFStringGetSystemEncoding());
|
||||
CFURLRef libraryUrl = CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
|
||||
homeUrl, libraryStr,
|
||||
false);
|
||||
|
||||
// create tzdata path
|
||||
CFStringRef tzdataPathRef = CFStringCreateWithCString(NULL, std::string(std::string(INTERNAL_DIR) + "/" + TZDATA_DIR).c_str(),
|
||||
CFStringGetSystemEncoding());
|
||||
CFURLRef tzdataPathUrl = CFURLCreateCopyAppendingPathComponent(NULL, homeUrl,
|
||||
tzdataPathRef, false);
|
||||
|
||||
// create src archive path
|
||||
CFStringRef archivePath = CFURLCopyPath(archiveUrl);
|
||||
gzFile tarFile = gzopen(convertCFStringRefPathToCStringPath(archivePath).c_str(), "rb");
|
||||
|
||||
// create tar unpacking path
|
||||
CFStringRef tarName = CFStringCreateWithCString(NULL, TAR_TMP_PATH,
|
||||
CFStringGetSystemEncoding());
|
||||
CFURLRef tarUrl = CFURLCreateCopyAppendingPathComponent(NULL, libraryUrl, tarName,
|
||||
false);
|
||||
CFStringRef tarPathRef = CFURLCopyPath(tarUrl);
|
||||
auto tarPath = convertCFStringRefPathToCStringPath(tarPathRef);
|
||||
|
||||
// create tzdata directory
|
||||
mkdir(destPath.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
|
||||
|
||||
// create stream
|
||||
CFWriteStreamRef writeStream = CFWriteStreamCreateWithFile(NULL, tarUrl);
|
||||
bool success = true;
|
||||
|
||||
CFRelease(libraryStr);
|
||||
CFRelease(libraryUrl);
|
||||
CFRelease(tzdataPathRef);
|
||||
CFRelease(archivePath);
|
||||
CFRelease(tarName);
|
||||
CFRelease(tarPathRef);
|
||||
|
||||
if (!CFWriteStreamOpen(writeStream))
|
||||
{
|
||||
CFStreamError err = CFWriteStreamGetError(writeStream);
|
||||
|
||||
if (err.domain == kCFStreamErrorDomainPOSIX)
|
||||
struct TarInfo
|
||||
{
|
||||
printf("kCFStreamErrorDomainPOSIX %i\n", err.error);
|
||||
}
|
||||
else if(err.domain == kCFStreamErrorDomainMacOSStatus)
|
||||
{
|
||||
printf("kCFStreamErrorDomainMacOSStatus %i\n", err.error);
|
||||
}
|
||||
char objType;
|
||||
std::string objName;
|
||||
size_t realContentSize; // writable size without padding zeroes
|
||||
size_t blocksContentSize; // adjusted size to 512 bytes blocks
|
||||
bool success;
|
||||
};
|
||||
|
||||
success = false;
|
||||
}
|
||||
|
||||
if (!success)
|
||||
{
|
||||
CFRelease(tarUrl);
|
||||
CFRelease(tzdataPathUrl);
|
||||
CFRelease(writeStream);
|
||||
return false;
|
||||
}
|
||||
|
||||
// ======= extract tar ========
|
||||
|
||||
unsigned int bufferLength = 1024 * 256; // 256Kb
|
||||
void *buffer = malloc(bufferLength);
|
||||
|
||||
while (true)
|
||||
{
|
||||
int readBytes = gzread(tarFile, buffer, bufferLength);
|
||||
|
||||
if (readBytes > 0)
|
||||
std::string convertCFStringRefPathToCStringPath(CFStringRef ref);
|
||||
bool extractTzdata(CFURLRef homeUrl, CFURLRef archiveUrl, std::string destPath);
|
||||
TarInfo getTarObjectInfo(std::ifstream &readStream);
|
||||
std::string getTarObject(std::ifstream &readStream, int64_t size);
|
||||
bool writeFile(const std::string &tzdataPath, const std::string &fileName,
|
||||
const std::string &data, size_t realContentSize);
|
||||
|
||||
std::string
|
||||
get_current_timezone()
|
||||
{
|
||||
CFIndex writtenBytes = CFWriteStreamWrite(writeStream, (unsigned char*)buffer,
|
||||
readBytes);
|
||||
CFTimeZoneRef tzRef = CFTimeZoneCopySystem();
|
||||
CFStringRef tzNameRef = CFTimeZoneGetName(tzRef);
|
||||
CFIndex bufferSize = CFStringGetLength(tzNameRef) + 1;
|
||||
char buffer[bufferSize];
|
||||
|
||||
if (writtenBytes < 0)
|
||||
if (CFStringGetCString(tzNameRef, buffer, bufferSize, kCFStringEncodingUTF8))
|
||||
{
|
||||
CFStreamError err = CFWriteStreamGetError(writeStream);
|
||||
printf("write stream error %i\n", err.error);
|
||||
success = false;
|
||||
break;
|
||||
CFRelease(tzRef);
|
||||
return std::string(buffer);
|
||||
}
|
||||
}
|
||||
else if (readBytes == 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
else if (readBytes == -1)
|
||||
{
|
||||
printf("decompression failed\n");
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
printf("unexpected zlib state\n");
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
CFWriteStreamClose(writeStream);
|
||||
CFRelease(writeStream);
|
||||
free(buffer);
|
||||
gzclose(tarFile);
|
||||
|
||||
if (!success)
|
||||
{
|
||||
CFRelease(tarUrl);
|
||||
CFRelease(tzdataPathUrl);
|
||||
return false;
|
||||
}
|
||||
|
||||
// ======== extract files =========
|
||||
|
||||
uint64_t location = 0; // Position in the file
|
||||
|
||||
// get file size
|
||||
struct stat stat_buf;
|
||||
int res = stat(tarPath.c_str(), &stat_buf);
|
||||
if (res != 0)
|
||||
{
|
||||
printf("error file size\n");
|
||||
CFRelease(tarUrl);
|
||||
CFRelease(tzdataPathUrl);
|
||||
return false;
|
||||
}
|
||||
int64_t tarSize = stat_buf.st_size;
|
||||
|
||||
// create read stream
|
||||
CFReadStreamRef readStream = CFReadStreamCreateWithFile(kCFAllocatorDefault, tarUrl);
|
||||
CFRelease(tarUrl);
|
||||
|
||||
if (!CFReadStreamOpen(readStream))
|
||||
{
|
||||
CFStreamError err = CFReadStreamGetError(readStream);
|
||||
|
||||
if (err.domain == kCFStreamErrorDomainPOSIX)
|
||||
{
|
||||
printf("kCFStreamErrorDomainPOSIX %i", err.error);
|
||||
}
|
||||
else if(err.domain == kCFStreamErrorDomainMacOSStatus)
|
||||
{
|
||||
printf("kCFStreamErrorDomainMacOSStatus %i", err.error);
|
||||
|
||||
CFRelease(tzRef);
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
success = false;
|
||||
}
|
||||
|
||||
if (!success)
|
||||
{
|
||||
CFRelease(tzdataPathUrl);
|
||||
CFRelease(readStream);
|
||||
return false;
|
||||
}
|
||||
|
||||
// process files
|
||||
while (location < tarSize)
|
||||
{
|
||||
TarInfo info = getTarObjectInfo(readStream, location);
|
||||
|
||||
if (!info.success || info.realContentSize == 0)
|
||||
std::string
|
||||
get_tzdata_path()
|
||||
{
|
||||
break; // something wrong or all files are read
|
||||
}
|
||||
|
||||
switch (info.objType)
|
||||
{
|
||||
case '0': // file
|
||||
case '\0': //
|
||||
CFURLRef homeUrlRef = CFCopyHomeDirectoryURL();
|
||||
CFStringRef homePath = CFURLCopyPath(homeUrlRef);
|
||||
std::string path(std::string(convertCFStringRefPathToCStringPath(homePath)) +
|
||||
INTERNAL_DIR + "/" + TZDATA_DIR);
|
||||
std::string result_path(std::string(convertCFStringRefPathToCStringPath(homePath)) +
|
||||
INTERNAL_DIR);
|
||||
|
||||
if (access(path.c_str(), F_OK) == 0)
|
||||
{
|
||||
std::string obj = getTarObject(readStream, info.blocksContentSize);
|
||||
#if TAR_DEBUG
|
||||
size += info.realContentSize;
|
||||
printf("#%i %s file size %lld written total %ld from %lld\n", ++count,
|
||||
info.objName.c_str(), info.realContentSize, size, tarSize);
|
||||
printf("tzdata dir exists\n");
|
||||
#endif
|
||||
writeFile(tzdataPathUrl, info.objName, obj, info.realContentSize);
|
||||
location += info.blocksContentSize;
|
||||
|
||||
break;
|
||||
CFRelease(homeUrlRef);
|
||||
CFRelease(homePath);
|
||||
|
||||
return result_path;
|
||||
}
|
||||
|
||||
CFBundleRef mainBundle = CFBundleGetMainBundle();
|
||||
CFArrayRef paths = CFBundleCopyResourceURLsOfType(mainBundle, CFSTR(TARGZ_EXTENSION),
|
||||
NULL);
|
||||
|
||||
if (CFArrayGetCount(paths) != 0)
|
||||
{
|
||||
// get archive path, assume there is no other tar.gz in bundle
|
||||
CFURLRef archiveUrl = static_cast<CFURLRef>(CFArrayGetValueAtIndex(paths, 0));
|
||||
CFStringRef archiveName = CFURLCopyPath(archiveUrl);
|
||||
archiveUrl = CFBundleCopyResourceURL(mainBundle, archiveName, NULL, NULL);
|
||||
|
||||
extractTzdata(homeUrlRef, archiveUrl, path);
|
||||
|
||||
CFRelease(archiveUrl);
|
||||
CFRelease(archiveName);
|
||||
}
|
||||
|
||||
CFRelease(homeUrlRef);
|
||||
CFRelease(homePath);
|
||||
CFRelease(paths);
|
||||
|
||||
return result_path;
|
||||
}
|
||||
}
|
||||
|
||||
CFRelease(tzdataPathUrl);
|
||||
CFReadStreamClose(readStream);
|
||||
CFRelease(readStream);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
TarInfo
|
||||
getTarObjectInfo(CFReadStreamRef readStream, int64_t location)
|
||||
{
|
||||
int64_t length = TAR_BLOCK_SIZE;
|
||||
uint8_t buffer[length];
|
||||
|
||||
char type;
|
||||
char name[TAR_NAME_SIZE + 1];
|
||||
char sizeBuf[TAR_SIZE_SIZE + 1];
|
||||
CFIndex bytesRead;
|
||||
|
||||
bytesRead = CFReadStreamRead(readStream, buffer, length);
|
||||
|
||||
if (bytesRead < 0)
|
||||
{
|
||||
CFStreamError err = CFReadStreamGetError(readStream);
|
||||
printf("error reading tar object info %i", err.error);
|
||||
return {false};
|
||||
}
|
||||
|
||||
memcpy(&type, &buffer[TAR_TYPE_POSITION], 1);
|
||||
|
||||
memset(&name, '\0', TAR_NAME_SIZE + 1);
|
||||
memcpy(&name, &buffer[TAR_NAME_POSITION], TAR_NAME_SIZE);
|
||||
|
||||
memset(&sizeBuf, '\0', TAR_SIZE_SIZE + 1);
|
||||
memcpy(&sizeBuf, &buffer[TAR_SIZE_POSITION], TAR_SIZE_SIZE);
|
||||
int64_t realSize = strtol(sizeBuf, NULL, 8);
|
||||
int64_t blocksSize = realSize + (TAR_BLOCK_SIZE - (realSize % TAR_BLOCK_SIZE));
|
||||
|
||||
return {type, std::string(name), realSize, blocksSize, true};
|
||||
}
|
||||
|
||||
std::string
|
||||
getTarObject(CFReadStreamRef readStream, int64_t size)
|
||||
{
|
||||
uint8_t buffer[size];
|
||||
|
||||
CFIndex bytesRead = CFReadStreamRead(readStream, buffer, size);
|
||||
|
||||
if (bytesRead < 0)
|
||||
{
|
||||
CFStreamError err = CFReadStreamGetError(readStream);
|
||||
printf("error reading tar object info %i", err.error);
|
||||
}
|
||||
|
||||
return std::string((char *)buffer);
|
||||
}
|
||||
|
||||
bool
|
||||
writeFile(CFURLRef tzdataUrl, std::string fileName, std::string data,
|
||||
int64_t realContentSize)
|
||||
{
|
||||
// create stream
|
||||
CFStringRef fileNameRef = CFStringCreateWithCString(NULL, fileName.c_str(),
|
||||
CFStringGetSystemEncoding());
|
||||
CFURLRef url = CFURLCreateCopyAppendingPathComponent(NULL, tzdataUrl, fileNameRef,
|
||||
false);
|
||||
CFWriteStreamRef writeStream = CFWriteStreamCreateWithFile(NULL, url);
|
||||
|
||||
CFRelease(fileNameRef);
|
||||
CFRelease(url);
|
||||
|
||||
// open stream
|
||||
if (!CFWriteStreamOpen(writeStream))
|
||||
{
|
||||
CFStreamError err = CFWriteStreamGetError(writeStream);
|
||||
|
||||
if (err.domain == kCFStreamErrorDomainPOSIX)
|
||||
std::string
|
||||
convertCFStringRefPathToCStringPath(CFStringRef ref)
|
||||
{
|
||||
printf("kCFStreamErrorDomainPOSIX %i\n", err.error);
|
||||
CFIndex bufferSize = CFStringGetMaximumSizeOfFileSystemRepresentation(ref);
|
||||
char *buffer = new char[bufferSize];
|
||||
CFStringGetFileSystemRepresentation(ref, buffer, bufferSize);
|
||||
auto result = std::string(buffer);
|
||||
delete[] buffer;
|
||||
return result;
|
||||
}
|
||||
else if(err.domain == kCFStreamErrorDomainMacOSStatus)
|
||||
|
||||
bool
|
||||
extractTzdata(CFURLRef homeUrl, CFURLRef archiveUrl, std::string destPath)
|
||||
{
|
||||
printf("kCFStreamErrorDomainMacOSStatus %i\n", err.error);
|
||||
std::string TAR_TMP_PATH = "/tmp.tar";
|
||||
|
||||
CFStringRef homeStringRef = CFURLCopyPath(homeUrl);
|
||||
auto homePath = convertCFStringRefPathToCStringPath(homeStringRef);
|
||||
CFRelease(homeStringRef);
|
||||
|
||||
CFStringRef archiveStringRef = CFURLCopyPath(archiveUrl);
|
||||
auto archivePath = convertCFStringRefPathToCStringPath(archiveStringRef);
|
||||
CFRelease(archiveStringRef);
|
||||
|
||||
// create Library path
|
||||
auto libraryPath = homePath + INTERNAL_DIR;
|
||||
|
||||
// create tzdata path
|
||||
auto tzdataPath = libraryPath + "/" + TZDATA_DIR;
|
||||
|
||||
// -- replace %20 with " "
|
||||
const std::string search = "%20";
|
||||
const std::string replacement = " ";
|
||||
size_t pos = 0;
|
||||
|
||||
while ((pos = archivePath.find(search, pos)) != std::string::npos) {
|
||||
archivePath.replace(pos, search.length(), replacement);
|
||||
pos += replacement.length();
|
||||
}
|
||||
|
||||
gzFile tarFile = gzopen(archivePath.c_str(), "rb");
|
||||
|
||||
// create tar unpacking path
|
||||
auto tarPath = libraryPath + TAR_TMP_PATH;
|
||||
|
||||
// create tzdata directory
|
||||
mkdir(destPath.c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
|
||||
|
||||
// ======= extract tar ========
|
||||
|
||||
std::ofstream os(tarPath.c_str(), std::ofstream::out | std::ofstream::app);
|
||||
unsigned int bufferLength = 1024 * 256; // 256Kb
|
||||
unsigned char *buffer = (unsigned char *)malloc(bufferLength);
|
||||
bool success = true;
|
||||
|
||||
while (true)
|
||||
{
|
||||
int readBytes = gzread(tarFile, buffer, bufferLength);
|
||||
|
||||
if (readBytes > 0)
|
||||
{
|
||||
os.write((char *) &buffer[0], readBytes);
|
||||
}
|
||||
else
|
||||
if (readBytes == 0)
|
||||
{
|
||||
break;
|
||||
}
|
||||
else
|
||||
if (readBytes == -1)
|
||||
{
|
||||
printf("decompression failed\n");
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
else
|
||||
{
|
||||
printf("unexpected zlib state\n");
|
||||
success = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
os.close();
|
||||
free(buffer);
|
||||
gzclose(tarFile);
|
||||
|
||||
if (!success)
|
||||
{
|
||||
remove(tarPath.c_str());
|
||||
return false;
|
||||
}
|
||||
|
||||
// ======== extract files =========
|
||||
|
||||
uint64_t location = 0; // Position in the file
|
||||
|
||||
// get file size
|
||||
struct stat stat_buf;
|
||||
int res = stat(tarPath.c_str(), &stat_buf);
|
||||
if (res != 0)
|
||||
{
|
||||
printf("error file size\n");
|
||||
remove(tarPath.c_str());
|
||||
return false;
|
||||
}
|
||||
int64_t tarSize = stat_buf.st_size;
|
||||
|
||||
// create read stream
|
||||
std::ifstream is(tarPath.c_str(), std::ifstream::in | std::ifstream::binary);
|
||||
|
||||
// process files
|
||||
while (location < tarSize)
|
||||
{
|
||||
TarInfo info = getTarObjectInfo(is);
|
||||
|
||||
if (!info.success || info.realContentSize == 0)
|
||||
{
|
||||
break; // something wrong or all files are read
|
||||
}
|
||||
|
||||
switch (info.objType)
|
||||
{
|
||||
case '0': // file
|
||||
case '\0': //
|
||||
{
|
||||
std::string obj = getTarObject(is, info.blocksContentSize);
|
||||
#if TAR_DEBUG
|
||||
size += info.realContentSize;
|
||||
printf("#%i %s file size %lld written total %ld from %lld\n", ++count,
|
||||
info.objName.c_str(), info.realContentSize, size, tarSize);
|
||||
#endif
|
||||
writeFile(tzdataPath, info.objName, obj, info.realContentSize);
|
||||
location += info.blocksContentSize;
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
remove(tarPath.c_str());
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
CFRelease(writeStream);
|
||||
return false;
|
||||
}
|
||||
|
||||
// trim empty space
|
||||
uint8_t trimmedData[realContentSize + 1];
|
||||
memset(&trimmedData, '\0', realContentSize);
|
||||
memcpy(&trimmedData, data.c_str(), realContentSize);
|
||||
|
||||
// write
|
||||
CFIndex writtenBytes = CFWriteStreamWrite(writeStream, trimmedData, realContentSize);
|
||||
|
||||
if (writtenBytes < 0)
|
||||
{
|
||||
CFStreamError err = CFWriteStreamGetError(writeStream);
|
||||
printf("write stream error %i\n", err.error);
|
||||
}
|
||||
|
||||
CFWriteStreamClose(writeStream);
|
||||
CFRelease(writeStream);
|
||||
writeStream = NULL;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
} // namespace iOSUtils
|
||||
|
||||
TarInfo
|
||||
getTarObjectInfo(std::ifstream &readStream)
|
||||
{
|
||||
int64_t length = TAR_BLOCK_SIZE;
|
||||
char buffer[length];
|
||||
char type;
|
||||
char name[TAR_NAME_SIZE + 1];
|
||||
char sizeBuf[TAR_SIZE_SIZE + 1];
|
||||
|
||||
readStream.read(buffer, length);
|
||||
|
||||
memcpy(&type, &buffer[TAR_TYPE_POSITION], 1);
|
||||
|
||||
memset(&name, '\0', TAR_NAME_SIZE + 1);
|
||||
memcpy(&name, &buffer[TAR_NAME_POSITION], TAR_NAME_SIZE);
|
||||
|
||||
memset(&sizeBuf, '\0', TAR_SIZE_SIZE + 1);
|
||||
memcpy(&sizeBuf, &buffer[TAR_SIZE_POSITION], TAR_SIZE_SIZE);
|
||||
size_t realSize = strtol(sizeBuf, NULL, 8);
|
||||
size_t blocksSize = realSize + (TAR_BLOCK_SIZE - (realSize % TAR_BLOCK_SIZE));
|
||||
|
||||
return {type, std::string(name), realSize, blocksSize, true};
|
||||
}
|
||||
|
||||
std::string
|
||||
getTarObject(std::ifstream &readStream, int64_t size)
|
||||
{
|
||||
char buffer[size];
|
||||
readStream.read(buffer, size);
|
||||
return std::string(buffer);
|
||||
}
|
||||
|
||||
bool
|
||||
writeFile(const std::string &tzdataPath, const std::string &fileName, const std::string &data,
|
||||
size_t realContentSize)
|
||||
{
|
||||
std::ofstream os(tzdataPath + "/" + fileName, std::ofstream::out | std::ofstream::binary);
|
||||
|
||||
if (!os) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// trim empty space
|
||||
char trimmedData[realContentSize + 1];
|
||||
memset(&trimmedData, '\0', realContentSize);
|
||||
memcpy(&trimmedData, data.c_str(), realContentSize);
|
||||
|
||||
// write
|
||||
os.write(trimmedData, realContentSize);
|
||||
os.close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
} // namespace iOSUtils
|
||||
} // namespace date
|
||||
|
||||
#endif // TARGET_OS_IPHONE
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user