Revision 8
pointer validation in util_sys_inb
| utils.c | ||
|---|---|---|
| 19 | 19 |
|
| 20 | 20 |
int (util_sys_inb)(int port, uint8_t *value) {
|
| 21 | 21 |
/* To be implemented by the students */ |
| 22 |
if(value == NULL) return 1; |
|
| 22 | 23 |
uint32_t n = 0; |
| 23 | 24 |
int ret = sys_inb(port, &n); |
| 24 | 25 |
*value = n; |
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