1
==20420==
==20420== HEAP SUMMARY:
==20420== in use at exit: 0 bytes in 1 blocks
==20420== total heap usage: 1 allocs, 0 frees, 0 bytes allocated
==20420==
==20420== Searching for pointers to 1 not-freed blocks
==20420== Checked 48,492 bytes
==20420==
==20420== 0 bytes in 1 blocks are still reachable in loss record 1 of 1
==20420== at 0x400677E: malloc (vg_replace_malloc.c:195)
==20420== by 0x80483D8: main (jig.c:10)
==20420==
==20420== LEAK SUMMARY:
==20420== definitely lost: 0 bytes in 0 blocks
==20420== indirectly lost: 0 bytes in 0 blocks
==20420== possibly lost: 0 bytes in 0 blocks
==20420== still reachable: 0 bytes in 1 blocks
==20420== suppressed: 0 bytes in 0 blocks
见我的项目,我用malloc这样的:Valgrind的输出了解
malloc(sizeof(some_structure) * some_expression);
在一个点some_expression给出值0,这样间接地我做
malloc(0)
所以,当我不去malloc单个字节,所以我不释放它,但在这种情况下valgrind显示内存泄漏。为什么?
编辑:
如果我用这样的:
char *a = malloc(0);
然后一个不为空。所以问题是为什么不是NULL? &它存储哪个地址?
的[零字节在Valgrind的丢失]可能重复(http://stackoverflow.com/questions/5498395/zero-bytes-中损失的Valgrind的) –