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Fixed a bug which crashed the BResource tests (sorry Ingo)

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1428 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2002-10-07 10:09:39 +00:00
parent b8f9ee8199
commit fde69fce63
1 changed files with 8 additions and 10 deletions
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src/kits/support/DataIO.cpp
+8 -10
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@@ -395,25 +395,23 @@ BMallocIO::SetSize(off_t size)
// size == 0, free the memory
free(fData);
fData = NULL;
fLength = 0;
} else {
// size != 0, see, if necessary to resize
size_t newSize = (size + fBlockSize - 1) / fBlockSize * fBlockSize;
if (newSize != fMallocSize) {
size = (size + fBlockSize - 1) / fBlockSize * fBlockSize;
if (size != fMallocSize) {
// we need to resize
if (char *newData = static_cast<char*>(realloc(fData, newSize))) {
if (char *newData = static_cast<char*>(realloc(fData, size))) {
// set the new area to 0
if (newSize > fMallocSize)
memset(newData + fMallocSize, 0, newSize - fMallocSize);
if (fLength > newSize)
fLength = newSize;
if (size > fMallocSize)
memset(newData + fMallocSize, 0, size - fMallocSize);
fData = newData;
fMallocSize = newSize;
fMallocSize = size;
} else // couldn't alloc the memory
error = B_NO_MEMORY;
}
}
if (error == B_OK)
fLength = size;
return error;
}