view Python/asdl.c @ 39459:ce11c6c1939d legacy-trunk

Verify verdat which is returned from malloc is not NULL. Ensure we don't pass NULL to free. Klocwork #306 (at least the first part, checking malloc)
author Neal Norwitz <nnorwitz@gmail.com>
date Sat, 12 Aug 2006 03:18:50 +0000
parents 1b5b16cdbe0e
children 8cbe0bd93c28
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#include "Python.h"
#include "asdl.h"

asdl_seq *
asdl_seq_new(int size, PyArena *arena)
{
	asdl_seq *seq = NULL;
	size_t n = sizeof(asdl_seq) +
			(size ? (sizeof(void *) * (size - 1)) : 0);

	seq = (asdl_seq *)PyArena_Malloc(arena, n);
	if (!seq) {
		PyErr_NoMemory();
		return NULL;
	}
	memset(seq, 0, n);
	seq->size = size;
	return seq;
}

asdl_int_seq *
asdl_int_seq_new(int size, PyArena *arena)
{
	asdl_int_seq *seq = NULL;
	size_t n = sizeof(asdl_seq) +
			(size ? (sizeof(int) * (size - 1)) : 0);

	seq = (asdl_int_seq *)PyArena_Malloc(arena, n);
	if (!seq) {
		PyErr_NoMemory();
		return NULL;
	}
	memset(seq, 0, n);
	seq->size = size;
	return seq;
}