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Fix building on MSVC #20

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Fix building on MSVC #20

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a6cb187
Fix building on MSVC.
FtZPetruska Jun 4, 2023
7925c74
Use unique_ptr to manage the stateBuf.
FtZPetruska Jun 4, 2023
f8d1f96
Prefer using `(void)` instead of `__attribute__`.
FtZPetruska Jun 4, 2023
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3 changes: 2 additions & 1 deletion libgambatte/src/file/unzip/crypt.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,9 @@
/***********************************************************************
* Return the next byte in the pseudo-random sequence
*/
static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab __attribute__((unused)))
static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab)
{
(void)pcrc_32_tab;
unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an
* unpredictable manner on 16-bit systems; not a problem
* with any known compiler so far, though */
Expand Down
47 changes: 15 additions & 32 deletions libgambatte/src/file/unzip/ioapi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -13,8 +13,6 @@
#include <zlib.h>
#include "ioapi.h"



/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */

#ifndef SEEK_CUR
Expand Down Expand Up @@ -65,11 +63,9 @@ int ZCALLBACK ferror_file_func OF((
voidpf stream));


voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
voidpf opaque __attribute__((unused));
const char* filename;
int mode;
voidpf ZCALLBACK fopen_file_func (voidpf opaque, const char* filename, int mode)
{
(void)opaque;
FILE* file = NULL;
const char* mode_fopen = NULL;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
Expand All @@ -87,44 +83,34 @@ voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
}


uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
voidpf opaque __attribute__((unused));
voidpf stream;
void* buf;
uLong size;
uLong ZCALLBACK fread_file_func (voidpf opaque, voidpf stream, void* buf, uLong size)
{
(void)opaque;
uLong ret;
ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}


uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
voidpf opaque __attribute__((unused));
voidpf stream;
const void* buf;
uLong size;
uLong ZCALLBACK fwrite_file_func (voidpf opaque, voidpf stream, const void* buf, uLong size)
{
(void)opaque;
uLong ret;
ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}

long ZCALLBACK ftell_file_func (opaque, stream)
voidpf opaque __attribute__((unused));
voidpf stream;
long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
{
(void)opaque;
long ret;
ret = ftell((FILE *)stream);
return ret;
}

long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
voidpf opaque __attribute__((unused));
voidpf stream;
uLong offset;
int origin;
long ZCALLBACK fseek_file_func (voidpf opaque, voidpf stream, uLong offset, int origin)
{
(void)opaque;
int fseek_origin=0;
long ret;
switch (origin)
Expand All @@ -145,26 +131,23 @@ long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
return ret;
}

int ZCALLBACK fclose_file_func (opaque, stream)
voidpf opaque __attribute__((unused));
voidpf stream;
int ZCALLBACK fclose_file_func (voidpf opaque, voidpf stream)
{
(void)opaque;
int ret;
ret = fclose((FILE *)stream);
return ret;
}

int ZCALLBACK ferror_file_func (opaque, stream)
voidpf opaque __attribute__((unused));
voidpf stream;
int ZCALLBACK ferror_file_func (voidpf opaque, voidpf stream)
{
(void)opaque;
int ret;
ret = ferror((FILE *)stream);
return ret;
}

void fill_fopen_filefunc (pzlib_filefunc_def)
zlib_filefunc_def* pzlib_filefunc_def;
void fill_fopen_filefunc (zlib_filefunc_def* pzlib_filefunc_def)
{
pzlib_filefunc_def->zopen_file = fopen_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
Expand Down
7 changes: 4 additions & 3 deletions libgambatte/src/statesaver.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
#include <algorithm>
#include <fstream>
#include <functional>
#include <memory>
#include <sstream>
#include <vector>
#include <cstring>
Expand Down Expand Up @@ -550,10 +551,10 @@ bool StateSaver::saveState(SaveState const &state,
return false;

std::size_t size = saveState(state, videoBuf, pitch, NULL, mode);
char stateBuf[size];
std::unique_ptr<char[]> stateBuf {new char[size]};

saveState(state, videoBuf, pitch, stateBuf, mode);
file.write(stateBuf, size);
saveState(state, videoBuf, pitch, stateBuf.get(), mode);
file.write(stateBuf.get(), size);

return !file.fail();
}
Expand Down