Core: Modernize C headers with C++ equivalents

platform/linuxbsd/crash_handler_linuxbsd.cpp

@@ -46,8 +46,8 @@
 #include <dlfcn.h>
 #include <execinfo.h>
 #include <link.h>
-#include <signal.h>
-#include <stdlib.h>
+#include <csignal>
+#include <cstdlib>
 
 static void handle_crash(int sig) {
 	signal(SIGSEGV, SIG_DFL);

platform/linuxbsd/freedesktop_screensaver.h

@@ -32,7 +32,7 @@
 
 #ifdef DBUS_ENABLED
 
-#include <stdint.h>
+#include <cstdint>
 
 class FreeDesktopScreenSaver {
 private:

platform/linuxbsd/godot_linuxbsd.cpp

@@ -32,10 +32,10 @@
 
 #include "main/main.h"
 
-#include <limits.h>
-#include <locale.h>
-#include <stdlib.h>
 #include <unistd.h>
+#include <climits>
+#include <clocale>
+#include <cstdlib>
 
 #if defined(SANITIZERS_ENABLED)
 #include <sys/resource.h>

platform/linuxbsd/joypad_linux.cpp

@@ -35,10 +35,10 @@
 #include "core/os/os.h"
 
 #include <dirent.h>
-#include <errno.h>
 #include <fcntl.h>
 #include <linux/input.h>
 #include <unistd.h>
+#include <cerrno>
 
 #ifdef UDEV_ENABLED
 #ifdef SOWRAP_ENABLED

platform/linuxbsd/os_linuxbsd.cpp

@@ -68,13 +68,12 @@
 #endif
 
 #include <dlfcn.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/utsname.h>
 #include <unistd.h>
+#include <cstdio>
+#include <cstdlib>
 
 #if __has_include(<mntent.h>)
 #include <mntent.h>

platform/linuxbsd/platform_config.h

@@ -35,7 +35,7 @@
 #endif
 
 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
-#include <stdlib.h> // alloca
+#include <cstdlib> // alloca
 // FreeBSD and OpenBSD use pthread_set_name_np, while other platforms,
 // include NetBSD, use pthread_setname_np. NetBSD's version however requires
 // a different format, we handle this directly in thread_posix.

platform/linuxbsd/wayland/detect_prime_egl.cpp

@@ -36,13 +36,10 @@
 #include "core/string/print_string.h"
 #include "core/string/ustring.h"
 
-#include <stdlib.h>
-
-#include <cstring>
-
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>
+#include <cstdlib>
 
 // To prevent shadowing warnings.
 #undef glGetString

platform/linuxbsd/wayland/display_server_wayland.h

@@ -61,8 +61,8 @@
 #include "core/input/input.h"
 #include "servers/display_server.h"
 
-#include <limits.h>
-#include <stdio.h>
+#include <climits>
+#include <cstdio>
 
 #undef CursorShape
 

platform/linuxbsd/x11/detect_prime_x11.cpp

@@ -46,11 +46,10 @@
 #include <X11/Xutil.h>
 #endif
 
-#include <stdlib.h>
-#include <string.h>
 #include <sys/types.h>
 #include <sys/wait.h>
 #include <unistd.h>
+#include <cstdlib>
 
 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092

platform/linuxbsd/x11/display_server_x11.cpp

@@ -58,13 +58,12 @@
 #endif
 
 #include <dlfcn.h>
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
+#include <climits>
+#include <cstdio>
+#include <cstdlib>
 
 #undef CursorShape
 #include <X11/XKBlib.h>

platform/linuxbsd/x11/gl_manager_x11.cpp

@@ -34,9 +34,9 @@
 
 #include "thirdparty/glad/glad/glx.h"
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
+#include <cstdio>
+#include <cstdlib>
 
 #define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091
 #define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092

platform/linuxbsd/x11/gl_manager_x11_egl.cpp

@@ -32,8 +32,8 @@
 
 #if defined(X11_ENABLED) && defined(GLES3_ENABLED)
 
-#include <stdio.h>
-#include <stdlib.h>
+#include <cstdio>
+#include <cstdlib>
 
 const char *GLManagerEGL_X11::_get_platform_extension_name() const {
 	return "EGL_KHR_platform_x11";