+++ /dev/null
-/* void * realloc( void *, size_t )
-
- This file is part of the Public Domain C Library (PDCLib).
- Permission is granted to use, modify, and / or redistribute at will.
-*/
-
-#include <stdlib.h>
-#include <string.h>
-#include <stddef.h>
-
-#ifndef REGTEST
-
-/* TODO: Primitive placeholder. Improve. */
-
-void * realloc( void * ptr, size_t size )
-{
- void * newptr = NULL;
- if ( ptr == NULL )
- {
- return malloc( size );
- }
- if ( size > 0 )
- {
- struct _PDCLIB_memnode_t * baseptr = (struct _PDCLIB_memnode_t *)( (char *)ptr - sizeof( struct _PDCLIB_memnode_t ) );
- if ( baseptr->size >= size )
- {
- /* Current memnode is large enough; nothing to do. */
- return ptr;
- }
- else
- {
- /* Get larger memnode and copy over contents. */
- if ( ( newptr = malloc( size ) ) == NULL )
- {
- return NULL;
- }
- memcpy( newptr, ptr, baseptr->size );
- }
- }
- free( ptr );
- return newptr;
-}
-
-#endif
-
-#ifdef TEST
-#include <_PDCLIB_test.h>
-
-int main( void )
-{
- /* tests covered in malloc test driver */
- return TEST_RESULTS;
-}
-
-#endif
-