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Util: Patch input should be const

This commit is contained in:
Jeffrey Pfau 2016-08-28 20:36:52 -07:00
parent 90edf4d1a0
commit e9d83bafe3
3 changed files with 8 additions and 8 deletions
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4
src/util/patch-ips.c
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@ -9,7 +9,7 @@
#include "util/vfs.h" #include "util/vfs.h"
static size_t _IPSOutputSize(struct Patch* patch, size_t inSize); static size_t _IPSOutputSize(struct Patch* patch, size_t inSize);
static bool _IPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, size_t outSize); static bool _IPSApplyPatch(struct Patch* patch, const void* in, size_t inSize, void* out, size_t outSize);
bool loadPatchIPS(struct Patch* patch) { bool loadPatchIPS(struct Patch* patch) {
patch->vf->seek(patch->vf, 0, SEEK_SET); patch->vf->seek(patch->vf, 0, SEEK_SET);
@ -43,7 +43,7 @@ size_t _IPSOutputSize(struct Patch* patch, size_t inSize) {
return 16 * 1024 * 1024; // IPS patches can grow up to 16MiB, but not beyond return 16 * 1024 * 1024; // IPS patches can grow up to 16MiB, but not beyond
} }
bool _IPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, size_t outSize) { bool _IPSApplyPatch(struct Patch* patch, const void* in, size_t inSize, void* out, size_t outSize) {
if (patch->vf->seek(patch->vf, 5, SEEK_SET) != 5) { if (patch->vf->seek(patch->vf, 5, SEEK_SET) != 5) {
return false; return false;
} }

10
src/util/patch-ups.c
View File

@ -17,8 +17,8 @@ enum {
static size_t _UPSOutputSize(struct Patch* patch, size_t inSize); static size_t _UPSOutputSize(struct Patch* patch, size_t inSize);
static bool _UPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, size_t outSize); static bool _UPSApplyPatch(struct Patch* patch, const void* in, size_t inSize, void* out, size_t outSize);
static bool _BPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, size_t outSize); static bool _BPSApplyPatch(struct Patch* patch, const void* in, size_t inSize, void* out, size_t outSize);
static size_t _decodeLength(struct VFile* vf); static size_t _decodeLength(struct VFile* vf);
@ -64,7 +64,7 @@ size_t _UPSOutputSize(struct Patch* patch, size_t inSize) {
return _decodeLength(patch->vf); return _decodeLength(patch->vf);
} }
bool _UPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, size_t outSize) { bool _UPSApplyPatch(struct Patch* patch, const void* in, size_t inSize, void* out, size_t outSize) {
// TODO: Input checksum // TODO: Input checksum
size_t filesize = patch->vf->size(patch->vf); size_t filesize = patch->vf->size(patch->vf);
@ -109,7 +109,7 @@ bool _UPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, siz
return true; return true;
} }
bool _BPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, size_t outSize) { bool _BPSApplyPatch(struct Patch* patch, const void* in, size_t inSize, void* out, size_t outSize) {
patch->vf->seek(patch->vf, IN_CHECKSUM, SEEK_END); patch->vf->seek(patch->vf, IN_CHECKSUM, SEEK_END);
uint32_t expectedInChecksum; uint32_t expectedInChecksum;
uint32_t expectedOutChecksum; uint32_t expectedOutChecksum;
@ -139,7 +139,7 @@ bool _BPSApplyPatch(struct Patch* patch, void* in, size_t inSize, void* out, siz
ssize_t readTargetLocation = 0; ssize_t readTargetLocation = 0;
size_t readOffset; size_t readOffset;
uint8_t* writeBuffer = out; uint8_t* writeBuffer = out;
uint8_t* readBuffer = in; const uint8_t* readBuffer = in;
while (patch->vf->seek(patch->vf, 0, SEEK_CUR) < filesize + IN_CHECKSUM) { while (patch->vf->seek(patch->vf, 0, SEEK_CUR) < filesize + IN_CHECKSUM) {
size_t command = _decodeLength(patch->vf); size_t command = _decodeLength(patch->vf);
size_t length = (command >> 2) + 1; size_t length = (command >> 2) + 1;

2
src/util/patch.h
View File

@ -14,7 +14,7 @@ struct Patch {
struct VFile* vf; struct VFile* vf;
size_t (*outputSize)(struct Patch* patch, size_t inSize); size_t (*outputSize)(struct Patch* patch, size_t inSize);
bool (*applyPatch)(struct Patch* patch, void* in, size_t inSize, void* out, size_t outSize); bool (*applyPatch)(struct Patch* patch, const void* in, size_t inSize, void* out, size_t outSize);
}; };
bool loadPatch(struct VFile* vf, struct Patch* patch); bool loadPatch(struct VFile* vf, struct Patch* patch);