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True match zMalloc (#659) 

* True match zMalloc

* Cleanup
This commit is contained in:
KEKW555 2023-12-24 10:38:30 +05:30 committed by GitHub
parent 50b8efb7d9
commit 1e8ced01e6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 14 deletions
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23
src/common.c
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@ -350,9 +350,8 @@ void sub_0801D898(void* dest, void* src, u32 word, u32 size) {
}
void* zMalloc(u32 size) {
FORCE_REGISTER(u32 slotFound, r5);
u16* heapStartOffset;
u32 slotFound;
u8* allocatedEntryStartOffset;
u8* allocatedEntryEndOffset;
u8* candidateSlotEndOffset;
@ -377,7 +376,8 @@ void* zMalloc(u32 size) {
if ((allocatedEntryStartOffset <= candidateSlotStartOffset &&
candidateSlotStartOffset <= allocatedEntryEndOffset)) {
goto other_search;
slotFound = FALSE;
break;
}
if ((allocatedEntryStartOffset <= candidateSlotEndOffset &&
@ -390,17 +390,15 @@ void* zMalloc(u32 size) {
candidateSlotEndOffset <= allocatedEntryEndOffset) ||
(candidateSlotStartOffset <= allocatedEntryStartOffset &&
allocatedEntryEndOffset <= candidateSlotEndOffset)) {
goto other_search;
slotFound = FALSE;
break;
}
}
if (!slotFound) {
other_search:
index1 = 0;
// Start searching for candidate slot from the left side of the heap buffer.
do {
candidateSlotEndOffset = gzHeap + heapStartOffset[(index1 * 2) + 1];
candidateSlotStartOffset = candidateSlotEndOffset - size;
slotFound = FALSE;
@ -417,7 +415,8 @@ void* zMalloc(u32 size) {
if ((allocatedEntryStartOffset <= candidateSlotStartOffset &&
candidateSlotStartOffset < allocatedEntryEndOffset)) {
goto iter_end;
slotFound = FALSE;
break;
}
if ((allocatedEntryStartOffset < candidateSlotEndOffset &&
@ -430,17 +429,13 @@ void* zMalloc(u32 size) {
candidateSlotEndOffset <= allocatedEntryEndOffset) ||
(candidateSlotStartOffset <= allocatedEntryStartOffset &&
allocatedEntryEndOffset <= candidateSlotEndOffset)) {
goto iter_end;
slotFound = FALSE;
break;
}
}
if (slotFound) {
break;
} else {
continue;
}
iter_end:
slotFound = FALSE;
}
} while ((index1 = (u16)(index1 + 1)) < numEntries);
}