MagickExport void *ResizeMagickMemory(void *memory,const size_t size)
{
register void
*block;
if (memory == (void *) NULL)
return(AcquireMagickMemory(size));
#if !defined(MAGICKCORE_ZERO_CONFIGURATION_SUPPORT)
block=memory_methods.resize_memory_handler(memory,size == 0 ? 1UL : size);
if (block == (void *) NULL)
memory=RelinquishMagickMemory(memory);
#else
LockSemaphoreInfo(memory_semaphore);
block=ResizeBlock(memory,size == 0 ? 1UL : size);
if (block == (void *) NULL)
{
if (ExpandHeap(size == 0 ? 1UL : size) == MagickFalse)
{
UnlockSemaphoreInfo(memory_semaphore);
memory=RelinquishMagickMemory(memory);
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
}
block=ResizeBlock(memory,size == 0 ? 1UL : size);
assert(block != (void *) NULL);
}
UnlockSemaphoreInfo(memory_semaphore);
memory=RelinquishMagickMemory(memory);
#endif
return(block);
}
MagickExport void *ResizeMagickMemory(void *memory,const size_t size)
{
register void
*block;
if (memory == (void *) NULL)
return(AcquireMagickMemory(size));
#if !defined(MAGICKCORE_EMBEDDABLE_SUPPORT)
block=realloc(memory,size == 0 ? 1UL : size);
if (block == (void *) NULL)
memory=RelinquishMagickMemory(memory);
#else
AcquireSemaphoreInfo(&memory_semaphore);
block=ResizeBlock(memory,size == 0 ? 1UL : size);
if (block == (void *) NULL)
{
if (ExpandHeap(size == 0 ? 1UL : size) == MagickFalse)
{
RelinquishSemaphoreInfo(memory_semaphore);
memory=RelinquishMagickMemory(memory);
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
}
block=ResizeBlock(memory,size == 0 ? 1UL : size);
assert(block != (void *) NULL);
}
RelinquishSemaphoreInfo(memory_semaphore);
memory=RelinquishMagickMemory(memory);
#endif
return(block);
}
