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Use an array instead of an uninitialized wild pointer.

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Using wild pointers is a dangerous practice, although you may not
encounter errors now.
This commit is contained in:
garenchan 2018-11-27 19:43:04 +08:00
parent 7aff64740e
commit bd527d3572
1 changed files with 37 additions and 37 deletions
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74
20-interrupts-timer/drivers/keyboard.c
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@ -6,7 +6,7 @@
static void keyboard_callback(registers_t regs) {
/* The PIC leaves us the scancode in port 0x60 */
u8 scancode = port_byte_in(0x60);
char *sc_ascii;
char sc_ascii[4];
int_to_ascii(scancode, sc_ascii);
kprint("Keyboard scancode: ");
kprint(sc_ascii);
@ -99,24 +99,24 @@ void print_letter(u8 scancode) {
case 0x19:
kprint("P");
break;
case 0x1A:
kprint("[");
break;
case 0x1B:
kprint("]");
break;
case 0x1C:
kprint("ENTER");
break;
case 0x1D:
kprint("LCtrl");
break;
case 0x1E:
kprint("A");
break;
case 0x1F:
kprint("S");
break;
case 0x1A:
kprint("[");
break;
case 0x1B:
kprint("]");
break;
case 0x1C:
kprint("ENTER");
break;
case 0x1D:
kprint("LCtrl");
break;
case 0x1E:
kprint("A");
break;
case 0x1F:
kprint("S");
break;
case 0x20:
kprint("D");
break;
@ -147,24 +147,24 @@ void print_letter(u8 scancode) {
case 0x29:
kprint("`");
break;
case 0x2A:
kprint("LShift");
break;
case 0x2B:
kprint("\\");
break;
case 0x2C:
kprint("Z");
break;
case 0x2D:
kprint("X");
break;
case 0x2E:
kprint("C");
break;
case 0x2F:
kprint("V");
break;
case 0x2A:
kprint("LShift");
break;
case 0x2B:
kprint("\\");
break;
case 0x2C:
kprint("Z");
break;
case 0x2D:
kprint("X");
break;
case 0x2E:
kprint("C");
break;
case 0x2F:
kprint("V");
break;
case 0x30:
kprint("B");
break;