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keymap: Fix scan codes > 0x7FFFFFFF 

According to Linux drivers/input/evdev.c, scan codes are unsigned, not int nor
uint32_t.

Thanks to Dejan Tosovic <dejan@post.com> for reporting this!
This commit is contained in:
Martin Pitt 2012-10-10 18:56:01 +02:00
parent 1dac8b797c
commit b1f87c76b1
1 changed files with 13 additions and 11 deletions
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24
src/udev/keymap/keymap.c
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@ -62,9 +62,9 @@ static int evdev_open(const char *dev)
return fd;
}
static int evdev_get_keycode(int fd, int scancode, int e)
static int evdev_get_keycode(int fd, unsigned scancode, int e)
{
int codes[2];
unsigned codes[2];
codes[0] = scancode;
if (ioctl(fd, EVIOCGKEYCODE, codes) < 0) {
@ -78,12 +78,12 @@ static int evdev_get_keycode(int fd, int scancode, int e)
return codes[1];
}
static int evdev_set_keycode(int fd, int scancode, int keycode)
static int evdev_set_keycode(int fd, unsigned scancode, int keycode)
{
int codes[2];
unsigned codes[2];
codes[0] = scancode;
codes[1] = keycode;
codes[1] = (unsigned) keycode;
if (ioctl(fd, EVIOCSKEYCODE, codes) < 0) {
fprintf(stderr, "EVIOCSKEYCODE: %m\n");
@ -128,7 +128,8 @@ static const char* format_keyname(const char* key) {
static int dump_table(int fd) {
char version[256], name[256];
int scancode, r = -1;
unsigned scancode;
int r = -1;
if (evdev_driver_version(fd, version, sizeof(version)) < 0)
goto fail;
@ -192,7 +193,8 @@ static int merge_table(int fd, FILE *f) {
while (!feof(f)) {
char s[256], *p;
int scancode, new_keycode, old_keycode;
unsigned scancode;
int new_keycode, old_keycode;
if (!fgets(s, sizeof(s), f))
break;
@ -202,11 +204,11 @@ static int merge_table(int fd, FILE *f) {
if (*p == '#' || *p == '\n')
continue;
if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) {
if (sscanf(p, "%u %i", &scancode, &new_keycode) != 2) {
char t[105] = "KEY_UNKNOWN";
const struct key *k;
if (sscanf(p, "%i %100s", &scancode, t+4) != 2) {
if (sscanf(p, "%u %100s", &scancode, t+4) != 2) {
fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line);
r = -1;
continue;
@ -260,7 +262,7 @@ static int read_event(int fd, struct input_event* ev)
return 1;
}
static void print_key(uint32_t scancode, uint16_t keycode, int has_scan, int has_key)
static void print_key(unsigned scancode, uint16_t keycode, int has_scan, int has_key)
{
const char *keyname;
@ -289,7 +291,7 @@ static void print_key(uint32_t scancode, uint16_t keycode, int has_scan, int has
static void interactive(int fd)
{
struct input_event ev;
uint32_t last_scan = 0;
unsigned last_scan = 0;
uint16_t last_key = 0;
int has_scan; /* boolean */
int has_key; /* 0: none, 1: release, 2: press */