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Check scancode before use in glfwGetKeyName

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This commit is contained in:
Camilla Löwy
2020-01-15 16:34:58 +01:00
parent a491b0698c
commit 5f1631cb0e
4 changed files with 23 additions and 0 deletions
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src/x11_window.c
+7
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@@ -2862,6 +2862,13 @@ const char* _glfwPlatformGetScancodeName(int scancode)
if (!_glfw.x11.xkb.available)
return NULL;
if (scancode < 0 || scancode > 0xff ||
_glfw.x11.keycodes[scancode] == GLFW_KEY_UNKNOWN)
{
_glfwInputError(GLFW_INVALID_VALUE, "Invalid scancode");
return NULL;
}
const int key = _glfw.x11.keycodes[scancode];
const KeySym keysym = XkbKeycodeToKeysym(_glfw.x11.display,
scancode, _glfw.x11.xkb.group, 0);