Would this cause a core on Linux

**newbie30** · 03-18-2010

Code:

struct TMP  *tmp
char *buf_ptr;


buf_ptr = tmp->tr[i].ch_ptr;
tmp->tr[i].ch_ptr = NULL

tmp is a pointer to a struct TMP and tr is another pointer to another struct within tmp.

Thanks

**Sebastiani** · 03-18-2010

Well, either "tmp" or "tmp->tr" is invalid. Post a compilable example that demonstrates the error.

**vart** · 03-18-2010

tmp is uninitialized pointer, it means it contains garbage
so what happens when accessing

Code:

tmp->tr

is undefined. Anything could happen

Thread: Would this cause a core on Linux