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- use FileWriter for writing zip files (i.e. savegames.)

This commit is contained in:
Christoph Oelckers 2017-12-02 12:46:25 +01:00
parent 14af7818b8
commit e15b23f132
1 changed files with 16 additions and 16 deletions
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32
src/resourcefiles/file_zip.cpp
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@ -542,7 +542,7 @@ static void time_to_dos(struct tm *time, unsigned short *dosdate, unsigned short
//
//==========================================================================
int AppendToZip(FILE *zip_file, const char *filename, FCompressedBuffer &content, uint16_t date, uint16_t time)
int AppendToZip(FileWriter *zip_file, const char *filename, FCompressedBuffer &content, uint16_t date, uint16_t time)
{
FZipLocalFileHeader local;
int position;
@ -562,12 +562,12 @@ int AppendToZip(FILE *zip_file, const char *filename, FCompressedBuffer &content
// Fill in local directory header.
position = (int)ftell(zip_file);
position = (int)zip_file->Tell();
// Write out the header, file name, and file data.
if (fwrite(&local, sizeof(local), 1, zip_file) != 1 ||
fwrite(filename, strlen(filename), 1, zip_file) != 1 ||
fwrite(content.mBuffer, 1, content.mCompressedSize, zip_file) != content.mCompressedSize)
if (zip_file->Write(&local, sizeof(local)) != sizeof(local) ||
zip_file->Write(filename, strlen(filename)) != strlen(filename) ||
zip_file->Write(content.mBuffer, content.mCompressedSize) != content.mCompressedSize)
{
return -1;
}
@ -583,7 +583,7 @@ int AppendToZip(FILE *zip_file, const char *filename, FCompressedBuffer &content
//
//==========================================================================
int AppendCentralDirectory(FILE *zip_file, const char *filename, FCompressedBuffer &content, uint16_t date, uint16_t time, int position)
int AppendCentralDirectory(FileWriter *zip_file, const char *filename, FCompressedBuffer &content, uint16_t date, uint16_t time, int position)
{
FZipCentralDirectoryInfo dir;
@ -607,8 +607,8 @@ int AppendCentralDirectory(FILE *zip_file, const char *filename, FCompressedBuff
dir.ExternalAttributes = 0;
dir.LocalHeaderOffset = LittleLong(position);
if (fwrite(&dir, sizeof(dir), 1, zip_file) != 1 ||
fwrite(filename, strlen(filename), 1, zip_file) != 1)
if (zip_file->Write(&dir, sizeof(dir)) != sizeof(dir) ||
zip_file->Write(filename, strlen(filename)) != strlen(filename))
{
return -1;
}
@ -629,7 +629,7 @@ bool WriteZip(const char *filename, TArray<FString> &filenames, TArray<FCompress
if (filenames.Size() != content.Size()) return false;
FILE *f = fopen(filename, "wb");
auto f = FileWriter::Open(filename);
if (f != nullptr)
{
for (unsigned i = 0; i < filenames.Size(); i++)
@ -637,19 +637,19 @@ bool WriteZip(const char *filename, TArray<FString> &filenames, TArray<FCompress
int pos = AppendToZip(f, filenames[i], content[i], mydate, mytime);
if (pos == -1)
{
fclose(f);
delete f;
remove(filename);
return false;
}
positions.Push(pos);
}
int dirofs = (int)ftell(f);
int dirofs = (int)f->Tell();
for (unsigned i = 0; i < filenames.Size(); i++)
{
if (AppendCentralDirectory(f, filenames[i], content[i], mydate, mytime, positions[i]) < 0)
{
fclose(f);
delete f;
remove(filename);
return false;
}
@ -662,15 +662,15 @@ bool WriteZip(const char *filename, TArray<FString> &filenames, TArray<FCompress
dirend.FirstDisk = 0;
dirend.NumEntriesOnAllDisks = dirend.NumEntries = LittleShort(filenames.Size());
dirend.DirectoryOffset = LittleLong(dirofs);
dirend.DirectorySize = LittleLong(ftell(f) - dirofs);
dirend.DirectorySize = LittleLong(f->Tell() - dirofs);
dirend.ZipCommentLength = 0;
if (fwrite(&dirend, sizeof(dirend), 1, f) != 1)
if (f->Write(&dirend, sizeof(dirend)) != sizeof(dirend))
{
fclose(f);
delete f;
remove(filename);
return false;
}
fclose(f);
delete f;
return true;
}
return false;