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Fix loading save game crash on Windows

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This commit is contained in:
Alexander Batalov 2022-07-27 10:11:33 +03:00
parent 42376b7172
commit 73b6a16551
2 changed files with 7 additions and 16 deletions
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22
src/file_utils.cc
View File

@ -10,6 +10,8 @@
#include <vector>
static void fileCopy(const char* existingFilePath, const char* newFilePath);
// 0x452740
int fileCopyDecompressed(const char* existingFilePath, const char* newFilePath)
{
@ -51,7 +53,7 @@ int fileCopyDecompressed(const char* existingFilePath, const char* newFilePath)
return -1;
}
} else {
fileCopy(existingFilePath, newFilePath, true);
fileCopy(existingFilePath, newFilePath);
}
return 0;
@ -74,7 +76,7 @@ int fileCopyCompressed(const char* existingFilePath, const char* newFilePath)
// Source file is already gzipped, there is no need to do anything
// besides copying.
fclose(inStream);
fileCopy(existingFilePath, newFilePath, true);
fileCopy(existingFilePath, newFilePath);
} else {
gzFile outStream = compat_gzopen(newFilePath, "wb");
if (outStream == NULL) {
@ -137,15 +139,13 @@ int _gzdecompress_file(const char* existingFilePath, const char* newFilePath)
gzclose(gzstream);
fclose(stream);
} else {
fileCopy(existingFilePath, newFilePath, true);
fileCopy(existingFilePath, newFilePath);
}
return 0;
}
// Modelled as replacement for `CopyFileA`, but `overwrite` is the opposite to
// `bFailIfExists` param. Update callers accordingly.
void fileCopy(const char* existingFilePath, const char* newFilePath, bool overwrite)
static void fileCopy(const char* existingFilePath, const char* newFilePath)
{
char nativeExistingFilePath[COMPAT_MAX_PATH];
strcpy(nativeExistingFilePath, existingFilePath);
@ -155,16 +155,8 @@ void fileCopy(const char* existingFilePath, const char* newFilePath, bool overwr
strcpy(nativeNewFilePath, newFilePath);
compat_windows_path_to_native(nativeNewFilePath);
char outMode[4];
outMode[0] = 'w';
outMode[1] = 'b';
if (!overwrite) {
outMode[2] = 'x';
}
FILE* in = fopen(nativeExistingFilePath, "rb");
FILE* out = fopen(nativeNewFilePath, outMode);
FILE* out = fopen(nativeNewFilePath, "wb");
if (in != NULL && out != NULL) {
std::vector<unsigned char> buffer(0xFFFF);

1
src/file_utils.h
View File

@ -4,6 +4,5 @@
int fileCopyDecompressed(const char* existingFilePath, const char* newFilePath);
int fileCopyCompressed(const char* existingFilePath, const char* newFilePath);
int _gzdecompress_file(const char* existingFilePath, const char* newFilePath);
void fileCopy(const char* existingFilePath, const char* newFilePath, bool overwrite);
#endif /* FILE_UTILS_H */