void near *lmem_realloc(
/**********************/
void *mem,
unsigned size
) {
#ifdef PLAT_OS2
return( realloc( mem, (size_t) size ) );
#else
HANDLE hld;
void near *ptr;
if( mem != NULL ) {
hld = _wpi_getlocalhdl( mem );
if( hld ) {
LocalUnlock( hld );
hld = LocalReAlloc( hld, size, LMEM_MOVEABLE );
if( hld ) {
ptr = LocalLock( hld );
return( ptr );
}
}
} else {
return( lmem_alloc( size ) );
}
return( NULL );
#endif
}
void *lmem_calloc(long count, long nbytes, const char *file, int line)
{
void *ptr;
lassert(count > 0);
lassert(nbytes > 0);
ptr = lmem_alloc(count * nbytes, file, line);
memset(ptr, '\0', count * nbytes);
return ptr;
}
void *lmem_resize(void *ptr, long nbytes, const char *file, int line)
{
struct descriptor *bp;
void *newptr;
lassert(ptr);
lassert(nbytes > 0);
if (((unsigned long)ptr)%(sizeof (union align)) != 0
|| (bp = find(ptr)) == NULL || bp->free)
lexcept_raise(&assert_failed, file, line);
newptr = lmem_alloc(nbytes, file, line);
memcpy(newptr, ptr, nbytes < bp->size ? nbytes : bp->size);
lmem_free(ptr, file, line);
return newptr;
}