Merge 0c181dcf74 into dbadda2683

Fixes #2778

CMakeLists.txt

@@ -38,11 +38,7 @@ set(GLFW_LIBRARY_TYPE "${GLFW_LIBRARY_TYPE}" CACHE STRING
     "Library type override for GLFW (SHARED, STATIC, OBJECT, or empty to follow BUILD_SHARED_LIBS)")
 
 if (GLFW_LIBRARY_TYPE)
-    if (GLFW_LIBRARY_TYPE STREQUAL "SHARED")
-        set(GLFW_BUILD_SHARED_LIBRARY TRUE)
-    else()
-        set(GLFW_BUILD_SHARED_LIBRARY FALSE)
-    endif()
+    string(COMPARE EQUAL "${GLFW_LIBRARY_TYPE}" "SHARED" GLFW_BUILD_SHARED_LIBRARY)
 else()
     set(GLFW_BUILD_SHARED_LIBRARY ${BUILD_SHARED_LIBS})
 endif()

CONTRIBUTORS.md

@@ -162,6 +162,7 @@ video tutorials.
  - Marcel Metz
  - Liam Middlebrook
  - mightgoyardstill
+ - Mihail
  - Ave Milia
  - Icyllis Milica
  - Jonathan Miller
@@ -282,10 +283,12 @@ video tutorials.
  - Corentin Wallez
  - Torsten Walluhn
  - Patrick Walton
+ - Ivor Wanders
  - Jim Wang
  - Xo Wang
  - Andre Weissflog
  - Jay Weisskopf
+ - Drew Weymouth
  - Frank Wille
  - Andy Williams
  - Joel Winarske

README.md

@@ -144,7 +144,16 @@ information on what to include when reporting a bug.
    a modal to a fallback decoration
  - [Wayland] Bugfix: The cursor position was not updated when clicking through
    from a modal to the content area
+ - [Wayland] Bugfix: free modules at end of terminate function to resolve
+   potential segmentation fault (#2744)
+ - [Wayland] Bugfix: Confining or disabling the cursor could segfault on
+   compositors without `pointer-constraints-unstable-v1`
  - [X11] Bugfix: Running without a WM could trigger an assert (#2593,#2601,#2631)
+ - [X11] Bugfix: Occasional crash when an idle display awakes (#2766) 
+ - [X11] Bugfix: Prevent BadWindow when creating small windows with a content scale
+   less than 1 (#2754)
+ - [X11] Bugfix: Clamp width and height to >= 1 to prevent BadValue error and app exit
+ - [Linux] Bugfix: The header for `ioctl` was only implicitly included (#2778)
  - [Null] Added Vulkan 'window' surface creation via `VK_EXT_headless_surface`
  - [Null] Added EGL context creation on Mesa via `EGL_MESA_platform_surfaceless`
  - [EGL] Allowed native access on Wayland with `GLFW_CONTEXT_CREATION_API` set to

src/egl_context.c

@@ -555,7 +555,8 @@ void _glfwTerminateEGL(void)
         _glfw.egl.display = EGL_NO_DISPLAY;
     }
 
-    if (_glfw.egl.handle)
+    // Free modules only after all wayland termination functions are called
+    if (_glfw.egl.handle && _glfw.platform.platformID != GLFW_PLATFORM_WAYLAND)
     {
         _glfwPlatformFreeModule(_glfw.egl.handle);
         _glfw.egl.handle = NULL;

src/input.c

@@ -65,21 +65,68 @@ static GLFWbool initJoysticks(void)
     return _glfw.joysticksInitialized = GLFW_TRUE;
 }
 
-// Finds a mapping based on joystick GUID
-//
-static _GLFWmapping* findMapping(const char* guid)
-{
-    int i;
+#if defined(GLFW_BUILD_LINUX_JOYSTICK)
 
-    for (i = 0;  i < _glfw.mappingCount;  i++)
+uint16_t parseHexDigit(char c)
+{
+    if (c >= '0' && c <= '9') return c - '0';
+    if (c >= 'a' && c <= 'f') return c - 'a' + 10;
+    if (c >= 'A' && c <= 'F') return c - 'A' + 10;
+    assert(GLFW_FALSE);
+}
+
+struct vendor_product
+{
+    uint16_t vendor;
+    uint16_t product;  
+};
+
+static struct vendor_product parseGUID(const char* guid)
+{
+    struct vendor_product result;
+    result.vendor = parseHexDigit(guid[8]) | (parseHexDigit(guid[9]) << 8);
+    result.product = parseHexDigit(guid[16]) | (parseHexDigit(guid[17]) << 8);
+    return result;
+}
+
+static _GLFWmapping* findMappingUSBVendorProduct(const char* guid)
+{
+
+    struct vendor_product this;
+    this = parseGUID(guid);
+    
+    for (int i = 0;  i < _glfw.mappingCount;  i++)
     {
-        if (strcmp(_glfw.mappings[i].guid, guid) == 0)
+        struct vendor_product that = parseGUID(_glfw.mappings[i].guid);
+
+        if (memcmp(&this, &that, sizeof(struct vendor_product)) == 0)
             return _glfw.mappings + i;
     }
 
     return NULL;
 }
 
+#endif
+
+// Finds a mapping based on joystick GUID
+//
+static _GLFWmapping* findMapping(const char* guid)
+{
+    // exact match
+    for (int i = 0;  i < _glfw.mappingCount;  i++)
+    {
+        if (strncmp(_glfw.mappings[i].guid, guid, 32) == 0)
+            return _glfw.mappings + i;
+    }
+
+#if defined(GLFW_BUILD_LINUX_JOYSTICK)
+    // only match vendor id, product id
+    return findMappingUSBVendorProduct(guid);
+#else
+    return NULL;
+#endif
+}
+
 // Checks whether a gamepad mapping element is present in the hardware
 //
 static GLFWbool isValidElementForJoystick(const _GLFWmapelement* e,

src/internal.h

@@ -76,6 +76,7 @@ typedef struct _GLFWmonitor     _GLFWmonitor;
 typedef struct _GLFWcursor      _GLFWcursor;
 typedef struct _GLFWmapelement  _GLFWmapelement;
 typedef struct _GLFWmapping     _GLFWmapping;
+typedef struct _GLFWusbinfo     _GLFWusbinfo;
 typedef struct _GLFWjoystick    _GLFWjoystick;
 typedef struct _GLFWtls         _GLFWtls;
 typedef struct _GLFWmutex       _GLFWmutex;
@@ -639,6 +640,16 @@ struct _GLFWmapping
     _GLFWmapelement axes[6];
 };
 
+// USB vendor, product, version
+//
+struct _GLFWusbinfo
+{
+    uint16_t bustype;
+	uint16_t vendor;
+	uint16_t product;
+	uint16_t version;
+};
+
 // Joystick structure
 //
 struct _GLFWjoystick
@@ -654,6 +665,7 @@ struct _GLFWjoystick
     char            name[128];
     void*           userPointer;
     char            guid[33];
+    _GLFWusbinfo    usbInfo;
     _GLFWmapping*   mapping;
 
     // This is defined in platform.h

src/linux_joystick.c

@@ -32,6 +32,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/inotify.h>
+#include <sys/ioctl.h>
 #include <fcntl.h>
 #include <errno.h>
 #include <dirent.h>
@@ -170,6 +171,12 @@ static GLFWbool openJoystickDevice(const char* path)
 
     char guid[33] = "";
 
+    _GLFWusbinfo usbinfo;
+    usbinfo.bustype = id.bustype;
+    usbinfo.vendor  = id.vendor;
+    usbinfo.product = id.product;
+    usbinfo.version = id.version;
+
     // Generate a joystick GUID that matches the SDL 2.0.5+ one
     if (id.vendor && id.product && id.version)
     {
@@ -229,6 +236,7 @@ static GLFWbool openJoystickDevice(const char* path)
         close(linjs.fd);
         return GLFW_FALSE;
     }
+    js->usbInfo = usbinfo;
 
     strncpy(linjs.path, path, sizeof(linjs.path) - 1);
     memcpy(&js->linjs, &linjs, sizeof(linjs));

src/win32_init.c

@@ -528,7 +528,8 @@ void _glfwUpdateKeyNamesWin32(void)
 
         if (key >= GLFW_KEY_KP_0 && key <= GLFW_KEY_KP_ADD)
         {
-            const UINT vks[] = {
+            const UINT vks[] =
+            {
                 VK_NUMPAD0,  VK_NUMPAD1,  VK_NUMPAD2, VK_NUMPAD3,
                 VK_NUMPAD4,  VK_NUMPAD5,  VK_NUMPAD6, VK_NUMPAD7,
                 VK_NUMPAD8,  VK_NUMPAD9,  VK_DECIMAL, VK_DIVIDE,

src/wl_init.c

@@ -907,18 +907,6 @@ void _glfwTerminateWayland(void)
         libdecor_unref(_glfw.wl.libdecor.context);
     }
 
-    if (_glfw.wl.libdecor.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.libdecor.handle);
-        _glfw.wl.libdecor.handle = NULL;
-    }
-
-    if (_glfw.wl.egl.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.egl.handle);
-        _glfw.wl.egl.handle = NULL;
-    }
-
     if (_glfw.wl.xkb.composeState)
         xkb_compose_state_unref(_glfw.wl.xkb.composeState);
     if (_glfw.wl.xkb.keymap)
@@ -927,21 +915,11 @@ void _glfwTerminateWayland(void)
         xkb_state_unref(_glfw.wl.xkb.state);
     if (_glfw.wl.xkb.context)
         xkb_context_unref(_glfw.wl.xkb.context);
-    if (_glfw.wl.xkb.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.xkb.handle);
-        _glfw.wl.xkb.handle = NULL;
-    }
 
     if (_glfw.wl.cursorTheme)
         wl_cursor_theme_destroy(_glfw.wl.cursorTheme);
     if (_glfw.wl.cursorThemeHiDPI)
         wl_cursor_theme_destroy(_glfw.wl.cursorThemeHiDPI);
-    if (_glfw.wl.cursor.handle)
-    {
-        _glfwPlatformFreeModule(_glfw.wl.cursor.handle);
-        _glfw.wl.cursor.handle = NULL;
-    }
 
     for (unsigned int i = 0; i < _glfw.wl.offerCount; i++)
         wl_data_offer_destroy(_glfw.wl.offers[i].offer);
@@ -1001,6 +979,38 @@ void _glfwTerminateWayland(void)
     if (_glfw.wl.cursorTimerfd >= 0)
         close(_glfw.wl.cursorTimerfd);
 
+    // Free modules only after all Wayland termination functions are called
+
+    if (_glfw.egl.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.egl.handle);
+        _glfw.egl.handle = NULL;
+    }
+
+    if (_glfw.wl.libdecor.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.libdecor.handle);
+        _glfw.wl.libdecor.handle = NULL;
+    }
+
+    if (_glfw.wl.egl.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.egl.handle);
+        _glfw.wl.egl.handle = NULL;
+    }
+
+    if (_glfw.wl.xkb.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.xkb.handle);
+        _glfw.wl.xkb.handle = NULL;
+    }
+
+    if (_glfw.wl.cursor.handle)
+    {
+        _glfwPlatformFreeModule(_glfw.wl.cursor.handle);
+        _glfw.wl.cursor.handle = NULL;
+    }
+
     _glfw_free(_glfw.wl.clipboardString);
 }
 

src/wl_platform.h

@@ -136,18 +136,22 @@ struct wl_output;
 #define GLFW_WAYLAND_MONITOR_STATE        _GLFWmonitorWayland wl;
 #define GLFW_WAYLAND_CURSOR_STATE         _GLFWcursorWayland  wl;
 
-struct wl_cursor_image {
+struct wl_cursor_image
+{
     uint32_t width;
     uint32_t height;
     uint32_t hotspot_x;
     uint32_t hotspot_y;
     uint32_t delay;
 };
-struct wl_cursor {
+
+struct wl_cursor
+{
     unsigned int image_count;
     struct wl_cursor_image** images;
     char* name;
 };
+
 typedef struct wl_cursor_theme* (* PFN_wl_cursor_theme_load)(const char*, int, struct wl_shm*);
 typedef void (* PFN_wl_cursor_theme_destroy)(struct wl_cursor_theme*);
 typedef struct wl_cursor* (* PFN_wl_cursor_theme_get_cursor)(struct wl_cursor_theme*, const char*);

src/wl_window.c

@@ -1413,7 +1413,7 @@ static void handleEvents(double* timeout)
 
             if (read(_glfw.wl.keyRepeatTimerfd, &repeats, sizeof(repeats)) == 8)
             {
-                if(_glfw.wl.keyboardFocus)
+                if (_glfw.wl.keyboardFocus)
                 {
                     for (uint64_t i = 0; i < repeats; i++)
                     {
@@ -1692,7 +1692,8 @@ static void keyboardHandleKeymap(void* userData,
     }
 
     mapStr = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0);
-    if (mapStr == MAP_FAILED) {
+    if (mapStr == MAP_FAILED)
+    {
         close(fd);
         return;
     }
@@ -1838,7 +1839,9 @@ static void keyboardHandleKey(void* userData,
             timer.it_value.tv_nsec = (_glfw.wl.keyRepeatDelay % 1000) * 1000000;
             timerfd_settime(_glfw.wl.keyRepeatTimerfd, 0, &timer, NULL);
         }
-    } else if (scancode == _glfw.wl.keyRepeatScancode) {
+    }
+    else if (scancode == _glfw.wl.keyRepeatScancode)
+    {
         timerfd_settime(_glfw.wl.keyRepeatTimerfd, 0, &timer, NULL);
     }
 
@@ -2974,10 +2977,16 @@ static void lockPointer(_GLFWwindow* window)
     if (!_glfw.wl.relativePointerManager)
     {
         _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
-                        "Wayland: The compositor does not support pointer locking");
+                        "Wayland: The compositor does not support relative pointer motion");
         return;
     }
 
+    if (!_glfw.wl.pointerConstraints)
+    {
+        _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
+                        "Wayland: The compositor does not support locking the pointer");
+    }
+
     window->wl.relativePointer =
         zwp_relative_pointer_manager_v1_get_relative_pointer(
             _glfw.wl.relativePointerManager,
@@ -3025,6 +3034,12 @@ static const struct zwp_confined_pointer_v1_listener confinedPointerListener =
 
 static void confinePointer(_GLFWwindow* window)
 {
+    if (!_glfw.wl.pointerConstraints)
+    {
+        _glfwInputError(GLFW_FEATURE_UNAVAILABLE,
+                        "Wayland: The compositor does not support confining the pointer");
+    }
+
     window->wl.confinedPointer =
         zwp_pointer_constraints_v1_confine_pointer(
             _glfw.wl.pointerConstraints,

src/x11_monitor.c

@@ -151,6 +151,12 @@ void _glfwPollMonitorsX11(void)
             }
 
             XRRCrtcInfo* ci = XRRGetCrtcInfo(_glfw.x11.display, sr, oi->crtc);
+            if (!ci)
+            {
+                XRRFreeOutputInfo(oi);
+                continue;
+            }
+
             if (ci->rotation == RR_Rotate_90 || ci->rotation == RR_Rotate_270)
             {
                 widthMM  = oi->mm_height;

src/x11_window.c

@@ -576,6 +576,10 @@ static GLFWbool createNativeWindow(_GLFWwindow* window,
         height *= _glfw.x11.contentScaleY;
     }
 
+    // The dimensions must be nonzero, or a BadValue error results.
+    width = _glfw_max(1, width);
+    height = _glfw_max(1, height);
+
     int xpos = 0, ypos = 0;
 
     if (wndconfig->xpos != GLFW_ANY_POSITION && wndconfig->ypos != GLFW_ANY_POSITION)
@@ -2203,6 +2207,10 @@ void _glfwGetWindowSizeX11(_GLFWwindow* window, int* width, int* height)
 
 void _glfwSetWindowSizeX11(_GLFWwindow* window, int width, int height)
 {
+    // The dimensions must be nonzero, or a BadValue error results
+    width = _glfw_max(1, width);
+    height = _glfw_max(1, height);
+
     if (window->monitor)
     {
         if (window->monitor->window == window)