make non-zlib save compression possible

13 files changed, 87 insertions, 48 deletions

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index 60f03e7..6b3285c 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -2072,7 +2072,7 @@ void cdrReset() {
 	cdr.AttenuatorRight[1] = 0x00;
 }
 
-int cdrFreeze(gzFile f, int Mode) {
+int cdrFreeze(void *f, int Mode) {
 	u32 tmp;
 
 	if( Mode == 0 ) {
diff --git a/libpcsxcore/cdrom.h b/libpcsxcore/cdrom.h
index ab22ccd..5dbf471 100644
--- a/libpcsxcore/cdrom.h
+++ b/libpcsxcore/cdrom.h
@@ -118,7 +118,7 @@ void cdrWrite0(unsigned char rt);
 void cdrWrite1(unsigned char rt);
 void cdrWrite2(unsigned char rt);
 void cdrWrite3(unsigned char rt);
-int cdrFreeze(gzFile f, int Mode);
+int cdrFreeze(void *f, int Mode);
 
 #ifdef __cplusplus
 }
diff --git a/libpcsxcore/mdec.c b/libpcsxcore/mdec.c
index cd8d3bf..bed4e53 100644
--- a/libpcsxcore/mdec.c
+++ b/libpcsxcore/mdec.c
@@ -671,7 +671,7 @@ void mdec1Interrupt() {
 	}
 }
 
-int mdecFreeze(gzFile f, int Mode) {
+int mdecFreeze(void *f, int Mode) {
 	u8 *base = (u8 *)&psxM[0x100000];
 	u32 v;
 
diff --git a/libpcsxcore/mdec.h b/libpcsxcore/mdec.h
index e04f314..ba38b4b 100644
--- a/libpcsxcore/mdec.h
+++ b/libpcsxcore/mdec.h
@@ -38,7 +38,7 @@ void psxDma0(u32 madr, u32 bcr, u32 chcr);
 void psxDma1(u32 madr, u32 bcr, u32 chcr);
 void mdec0Interrupt();
 void mdec1Interrupt();
-int mdecFreeze(gzFile f, int Mode);
+int mdecFreeze(void *f, int Mode);
 
 #ifdef __cplusplus
 }
diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index bb55257..3ee794b 100644
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -26,6 +26,7 @@
 #include "mdec.h"
 #include "gpu.h"
 #include "ppf.h"
+#include <zlib.h>
 
 char CdromId[10] = "";
 char CdromLabel[33] = "";
@@ -523,6 +524,35 @@ int Load(const char *ExePath) {
 
 // STATES
 
+static void *zlib_open(const char *name, const char *mode)
+{
+	return gzopen(name, mode);
+}
+
+static int zlib_read(void *file, void *buf, u32 len)
+{
+	return gzread(file, buf, len);
+}
+
+static int zlib_write(void *file, const void *buf, u32 len)
+{
+	return gzwrite(file, buf, len);
+}
+
+static long zlib_seek(void *file, long offs, int whence)
+{
+	return gzseek(file, offs, whence);
+}
+
+static void zlib_close(void *file)
+{
+	gzclose(file);
+}
+
+struct PcsxSaveFuncs SaveFuncs = {
+	zlib_open, zlib_read, zlib_write, zlib_seek, zlib_close
+};
+
 static const char PcsxHeader[32] = "STv4 PCSX v" PACKAGE_VERSION;
 
 // Savestate Versioning!
@@ -530,50 +560,50 @@ static const char PcsxHeader[32] = "STv4 PCSX v" PACKAGE_VERSION;
 static const u32 SaveVersion = 0x8b410006;
 
 int SaveState(const char *file) {
-	gzFile f;
+	void *f;
 	GPUFreeze_t *gpufP;
 	SPUFreeze_t *spufP;
 	int Size;
 	unsigned char *pMem;
 
-	f = gzopen(file, "wb");
+	f = SaveFuncs.open(file, "wb");
 	if (f == NULL) return -1;
 
 	new_dyna_save();
 
-	gzwrite(f, (void *)PcsxHeader, 32);
-	gzwrite(f, (void *)&SaveVersion, sizeof(u32));
-	gzwrite(f, (void *)&Config.HLE, sizeof(boolean));
+	SaveFuncs.write(f, (void *)PcsxHeader, 32);
+	SaveFuncs.write(f, (void *)&SaveVersion, sizeof(u32));
+	SaveFuncs.write(f, (void *)&Config.HLE, sizeof(boolean));
 
 	pMem = (unsigned char *)malloc(128 * 96 * 3);
 	if (pMem == NULL) return -1;
 	GPU_getScreenPic(pMem);
-	gzwrite(f, pMem, 128 * 96 * 3);
+	SaveFuncs.write(f, pMem, 128 * 96 * 3);
 	free(pMem);
 
 	if (Config.HLE)
 		psxBiosFreeze(1);
 
-	gzwrite(f, psxM, 0x00200000);
-	gzwrite(f, psxR, 0x00080000);
-	gzwrite(f, psxH, 0x00010000);
-	gzwrite(f, (void *)&psxRegs, sizeof(psxRegs));
+	SaveFuncs.write(f, psxM, 0x00200000);
+	SaveFuncs.write(f, psxR, 0x00080000);
+	SaveFuncs.write(f, psxH, 0x00010000);
+	SaveFuncs.write(f, (void *)&psxRegs, sizeof(psxRegs));
 
 	// gpu
 	gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
 	gpufP->ulFreezeVersion = 1;
 	GPU_freeze(1, gpufP);
-	gzwrite(f, gpufP, sizeof(GPUFreeze_t));
+	SaveFuncs.write(f, gpufP, sizeof(GPUFreeze_t));
 	free(gpufP);
 
 	// spu
 	spufP = (SPUFreeze_t *) malloc(16);
 	SPU_freeze(2, spufP);
-	Size = spufP->Size; gzwrite(f, &Size, 4);
+	Size = spufP->Size; SaveFuncs.write(f, &Size, 4);
 	free(spufP);
 	spufP = (SPUFreeze_t *) malloc(Size);
 	SPU_freeze(1, spufP);
-	gzwrite(f, spufP, Size);
+	SaveFuncs.write(f, spufP, Size);
 	free(spufP);
 
 	sioFreeze(f, 1);
@@ -582,7 +612,7 @@ int SaveState(const char *file) {
 	psxRcntFreeze(f, 1);
 	mdecFreeze(f, 1);
 
-	gzclose(f);
+	SaveFuncs.close(f);
 
 	new_dyna_after_save();
 
@@ -590,7 +620,7 @@ int SaveState(const char *file) {
 }
 
 int LoadState(const char *file) {
-	gzFile f;
+	void *f;
 	GPUFreeze_t *gpufP;
 	SPUFreeze_t *spufP;
 	int Size;
@@ -598,15 +628,15 @@ int LoadState(const char *file) {
 	u32 version;
 	boolean hle;
 
-	f = gzopen(file, "rb");
+	f = SaveFuncs.open(file, "rb");
 	if (f == NULL) return -1;
 
-	gzread(f, header, sizeof(header));
-	gzread(f, &version, sizeof(u32));
-	gzread(f, &hle, sizeof(boolean));
+	SaveFuncs.read(f, header, sizeof(header));
+	SaveFuncs.read(f, &version, sizeof(u32));
+	SaveFuncs.read(f, &hle, sizeof(boolean));
 
 	if (strncmp("STv4 PCSX", header, 9) != 0 || version != SaveVersion) {
-		gzclose(f);
+		SaveFuncs.close(f);
 		return -1;
 	}
 	Config.HLE = hle;
@@ -615,28 +645,28 @@ int LoadState(const char *file) {
 		psxBiosInit();
 
 	psxCpu->Reset();
-	gzseek(f, 128 * 96 * 3, SEEK_CUR);
+	SaveFuncs.seek(f, 128 * 96 * 3, SEEK_CUR);
 
-	gzread(f, psxM, 0x00200000);
-	gzread(f, psxR, 0x00080000);
-	gzread(f, psxH, 0x00010000);
-	gzread(f, (void *)&psxRegs, sizeof(psxRegs));
+	SaveFuncs.read(f, psxM, 0x00200000);
+	SaveFuncs.read(f, psxR, 0x00080000);
+	SaveFuncs.read(f, psxH, 0x00010000);
+	SaveFuncs.read(f, (void *)&psxRegs, sizeof(psxRegs));
 
 	if (Config.HLE)
 		psxBiosFreeze(0);
 
 	// gpu
 	gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
-	gzread(f, gpufP, sizeof(GPUFreeze_t));
+	SaveFuncs.read(f, gpufP, sizeof(GPUFreeze_t));
 	GPU_freeze(0, gpufP);
 	free(gpufP);
 	if (HW_GPU_STATUS == 0)
 		HW_GPU_STATUS = GPU_readStatus();
 
 	// spu
-	gzread(f, &Size, 4);
+	SaveFuncs.read(f, &Size, 4);
 	spufP = (SPUFreeze_t *)malloc(Size);
-	gzread(f, spufP, Size);
+	SaveFuncs.read(f, spufP, Size);
 	SPU_freeze(0, spufP);
 	free(spufP);
 
@@ -646,26 +676,26 @@ int LoadState(const char *file) {
 	psxRcntFreeze(f, 0);
 	mdecFreeze(f, 0);
 
-	gzclose(f);
+	SaveFuncs.close(f);
 	new_dyna_restore();
 
 	return 0;
 }
 
 int CheckState(const char *file) {
-	gzFile f;
+	void *f;
 	char header[32];
 	u32 version;
 	boolean hle;
 
-	f = gzopen(file, "rb");
+	f = SaveFuncs.open(file, "rb");
 	if (f == NULL) return -1;
 
-	gzread(f, header, sizeof(header));
-	gzread(f, &version, sizeof(u32));
-	gzread(f, &hle, sizeof(boolean));
+	SaveFuncs.read(f, header, sizeof(header));
+	SaveFuncs.read(f, &version, sizeof(u32));
+	SaveFuncs.read(f, &hle, sizeof(boolean));
 
-	gzclose(f);
+	SaveFuncs.close(f);
 
 	if (strncmp("STv4 PCSX", header, 9) != 0 || version != SaveVersion)
 		return -1;
diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c
index 81a40aa..fdc129e 100644
--- a/libpcsxcore/psxbios.c
+++ b/libpcsxcore/psxbios.c
@@ -26,6 +26,7 @@
 #include "psxbios.h"
 #include "psxhw.h"
 #include "gpu.h"
+#include <zlib.h>
 
 #undef SysPrintf
 #define SysPrintf if (Config.PsxOut) printf
diff --git a/libpcsxcore/psxcommon.h b/libpcsxcore/psxcommon.h
index 2a3877b..59212f3 100644
--- a/libpcsxcore/psxcommon.h
+++ b/libpcsxcore/psxcommon.h
@@ -42,7 +42,6 @@ extern "C" {
 #include <ctype.h>
 #include <sys/types.h>
 #include <assert.h>
-#include <zlib.h>
 
 // Define types
 typedef int8_t s8;
@@ -137,9 +136,18 @@ typedef struct {
 extern PcsxConfig Config;
 extern boolean NetOpened;
 
+struct PcsxSaveFuncs {
+	void *(*open)(const char *name, const char *mode);
+	int   (*read)(void *file, void *buf, u32 len);
+	int   (*write)(void *file, const void *buf, u32 len);
+	long  (*seek)(void *file, long offs, int whence);
+	void  (*close)(void *file);
+};
+extern struct PcsxSaveFuncs SaveFuncs;
+
 #define gzfreeze(ptr, size) { \
-	if (Mode == 1) gzwrite(f, ptr, size); \
-	if (Mode == 0) gzread(f, ptr, size); \
+	if (Mode == 1) SaveFuncs.write(f, ptr, size); \
+	if (Mode == 0) SaveFuncs.read(f, ptr, size); \
 }
 
 // Make the timing events trigger faster as we are currently assuming everything
diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c
index 3e6d417..50f1792 100644
--- a/libpcsxcore/psxcounters.c
+++ b/libpcsxcore/psxcounters.c
@@ -501,7 +501,7 @@ void psxRcntInit()
 
 /******************************************************************************/
 
-s32 psxRcntFreeze( gzFile f, s32 Mode )
+s32 psxRcntFreeze( void *f, s32 Mode )
 {
     u32 count;
     s32 i;
diff --git a/libpcsxcore/psxcounters.h b/libpcsxcore/psxcounters.h
index 0aab8f0..4b7b6b4 100644
--- a/libpcsxcore/psxcounters.h
+++ b/libpcsxcore/psxcounters.h
@@ -52,7 +52,7 @@ u32 psxRcntRcount(u32 index);
 u32 psxRcntRmode(u32 index);
 u32 psxRcntRtarget(u32 index);
 
-s32 psxRcntFreeze(gzFile f, s32 Mode);
+s32 psxRcntFreeze(void *f, s32 Mode);
 
 #ifdef __cplusplus
 }
diff --git a/libpcsxcore/psxhw.c b/libpcsxcore/psxhw.c
index ebdff87..1f85278 100644
--- a/libpcsxcore/psxhw.c
+++ b/libpcsxcore/psxhw.c
@@ -764,6 +764,6 @@ void psxHwWrite32(u32 add, u32 value) {
 #endif
 }
 
-int psxHwFreeze(gzFile f, int Mode) {
+int psxHwFreeze(void *f, int Mode) {
 	return 0;
 }
diff --git a/libpcsxcore/psxhw.h b/libpcsxcore/psxhw.h
index 1d1822f..e83939f 100644
--- a/libpcsxcore/psxhw.h
+++ b/libpcsxcore/psxhw.h
@@ -80,7 +80,7 @@ u32 psxHwRead32(u32 add);
 void psxHwWrite8(u32 add, u8  value);
 void psxHwWrite16(u32 add, u16 value);
 void psxHwWrite32(u32 add, u32 value);
-int psxHwFreeze(gzFile f, int Mode);
+int psxHwFreeze(void *f, int Mode);
 
 #ifdef __cplusplus
 }
diff --git a/libpcsxcore/sio.c b/libpcsxcore/sio.c
index 81fe0ea..ea96e95 100644
--- a/libpcsxcore/sio.c
+++ b/libpcsxcore/sio.c
@@ -806,7 +806,7 @@ void GetMcdBlockInfo(int mcd, int block, McdBlock *Info) {
 	strncpy(Info->Name, ptr, 16);
 }
 
-int sioFreeze(gzFile f, int Mode) {
+int sioFreeze(void *f, int Mode) {
 	gzfreeze(buf, sizeof(buf));
 	gzfreeze(&StatReg, sizeof(StatReg));
 	gzfreeze(&ModeReg, sizeof(ModeReg));
diff --git a/libpcsxcore/sio.h b/libpcsxcore/sio.h
index cc8d925..eff1746 100644
--- a/libpcsxcore/sio.h
+++ b/libpcsxcore/sio.h
@@ -50,7 +50,7 @@ unsigned short sioReadBaud16();
 void netError();
 
 void sioInterrupt();
-int sioFreeze(gzFile f, int Mode);
+int sioFreeze(void *f, int Mode);
 
 void LoadMcd(int mcd, char *str);
 void LoadMcds(char *mcd1, char *mcd2);