forked from mirrors/gecko-dev
43 lines
815 B
ReStructuredText
43 lines
815 B
ReStructuredText
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PR_Realloc
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==========
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Resizes allocated memory on the heap.
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Syntax
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------
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.. code::
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#include <prmem.h>
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void *PR_Realloc (
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void *ptr,
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PRUint32 size);
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Parameters
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~~~~~~~~~~
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``ptr``
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A pointer to the existing memory block being resized.
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``size``
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The size of the new memory block.
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Returns
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~~~~~~~
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An untyped pointer to the allocated memory, or if the allocation attempt
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fails, ``NULL``. Call ``PR_GetError()`` to retrieve the error returned
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by the libc function ``realloc()``.
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Description
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~~~~~~~~~~~
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This function attempts to enlarge or shrink the memory block addressed
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by ptr to a new size. The contents of the specified memory remains the
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same up to the smaller of its old size and new size, although the new
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memory block's address can be different from the original address.
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