Global: replaces NULL to nullptr

src/detection/keyboard/keyboard_apple.c

@@ -32,5 +32,5 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
     }
     IOHIDManagerClose(manager, kIOHIDOptionsTypeNone);
 
-    return NULL;
+    return nullptr;
 }

src/detection/keyboard/keyboard_bsd.c

@@ -35,7 +35,7 @@ static const char* detectByIoctl(FFlist* devices) {
     ffStrbufAppendF(&device->name, " (kbd%d)", kbdInfo.kb_index);
 
     ffStrbufInit(&device->serial);
-    return NULL;
+    return nullptr;
 }
 
 #define MAX_UHID_KBDS 64
@@ -80,13 +80,13 @@ static const char* detectByUsbhid(FFlist* devices) {
         hid_dispose_report_desc(repDesc);
     }
 
-    return NULL;
+    return nullptr;
 }
 
 const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
     detectByUsbhid(devices);
     if (devices->length > 0) {
-        return NULL;
+        return nullptr;
     }
     return detectByIoctl(devices);
 }

src/detection/keyboard/keyboard_haiku.cpp

@@ -23,5 +23,5 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
         ffStrbufInitS(&item->name, device->Name());
     }
 
-    return NULL;
+    return nullptr;
 }

src/detection/keyboard/keyboard_linux.c

@@ -9,7 +9,7 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
     // This detects both wired and Bluetooth keyboards uniformly.
     FF_STRBUF_AUTO_DESTROY content = ffStrbufCreate();
     if (!ffAppendFileBuffer("/proc/bus/input/devices", &content)) {
-        return "ffAppendFileBuffer(\"/proc/bus/input/devices\") == NULL";
+        return "ffAppendFileBuffer(\"/proc/bus/input/devices\") == nullptr";
     }
 
     FFstrbuf kbd = ffStrbufCreateStatic("kbd");
@@ -19,7 +19,7 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
         .serial = ffStrbufCreate()
     };
 
-    char* line = NULL;
+    char* line = nullptr;
     size_t len = 0;
     while (ffStrbufGetline(&line, &len, &content)) {
         switch (line[0]) {
@@ -51,7 +51,7 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
                 if (ffStrStartsWith(bits, "EV=")) {
                     // Check EV_REP (auto-repeat, bit 20) to filter pseudo-keyboards (Power Button, PC Speaker).
                     const char* evBits = bits + strlen("EV=");
-                    uint64_t val = strtoull(evBits, NULL, 16);
+                    uint64_t val = strtoull(evBits, nullptr, 16);
                     if (!(val & (1ULL << EV_REP))) {
                         goto skipDevice;
                     }
@@ -63,7 +63,7 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
                     const char* lastWord = memrchr(keyBits, ' ', len - (size_t) (keyBits - line));
                     lastWord = lastWord ? lastWord + 1 : keyBits;
 
-                    uint64_t val = strtoull(lastWord, NULL, 16);
+                    uint64_t val = strtoull(lastWord, nullptr, 16);
                     if (!(val & (1ULL << KEY_A))) {
                         goto skipDevice;
                     }
@@ -100,5 +100,5 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
         ffStrbufDestroy(&device.serial);
     }
 
-    return NULL;
+    return nullptr;
 }

src/detection/keyboard/keyboard_windows.c

@@ -12,8 +12,8 @@
 
 const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
     UINT nDevices = 0;
-    if (GetRawInputDeviceList(NULL, &nDevices, sizeof(RAWINPUTDEVICELIST))) {
-        return "GetRawInputDeviceList(NULL) failed";
+    if (GetRawInputDeviceList(nullptr, &nDevices, sizeof(RAWINPUTDEVICELIST))) {
+        return "GetRawInputDeviceList(nullptr) failed";
     }
     if (nDevices == 0) {
         return "No HID devices found";
@@ -49,7 +49,7 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
 
         wchar_t buffer[MAX_PATH];
 
-        HANDLE FF_AUTO_CLOSE_FD hHidFile = CreateFileW(devName, 0 /* must be 0 instead of GENERIC_READ */, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
+        HANDLE FF_AUTO_CLOSE_FD hHidFile = CreateFileW(devName, 0 /* must be 0 instead of GENERIC_READ */, FILE_SHARE_READ, nullptr, OPEN_EXISTING, 0, nullptr);
         if (hHidFile != INVALID_HANDLE_VALUE) {
             if (HidD_GetProductString(hHidFile, buffer, (ULONG) sizeof(buffer))) {
                 ffStrbufSetWS(&device->name, buffer);
@@ -81,5 +81,5 @@ const char* ffDetectKeyboard(FFlist* devices /* List of FFKeyboardDevice */) {
         }
     }
 
-    return NULL;
+    return nullptr;
 }