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Diffstat (limited to 'swaylock')
-rw-r--r--swaylock/main.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/swaylock/main.c b/swaylock/main.c
index 57fe0321..1885b511 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -113,6 +113,8 @@ bool verify_password() {
void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t code, uint32_t codepoint) {
int redraw_screen = 0;
+ char *password_realloc;
+
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
switch (sym) {
case XKB_KEY_Return:
@@ -129,6 +131,7 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
redraw_screen = 1;
password_size = 1024;
+ free(password);
password = malloc(password_size);
password[0] = '\0';
break;
@@ -149,7 +152,17 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
int i = strlen(password);
if (i + 1 == password_size) {
password_size += 1024;
- password = realloc(password, password_size);
+ password_realloc = realloc(password, password_size);
+ // reset password if realloc fails.
+ if (password_realloc == NULL) {
+ password_size = 1024;
+ free(password);
+ password = malloc(password_size);
+ password[0] = '\0';
+ break;
+ } else {
+ password = password_realloc;
+ }
}
password[i] = (char)codepoint;
password[i + 1] = '\0';
@@ -305,7 +318,7 @@ int main(int argc, char **argv) {
break;
}
switch (c) {
- case 'c':
+ case 'c':
{
int colorlen = strlen(optarg);
if (colorlen < 6 || colorlen == 7 || colorlen > 8) {