Set fixed locale for numbers, close to config read/write (libretro#15782

)

Move setlocale() closer to config file read/write.

command.c

@@ -18,6 +18,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stddef.h>
+#include <locale.h>
 #ifdef HAVE_NETWORKING
 #include <net/net_compat.h>
 #include <net/net_socket.h>
@@ -1166,6 +1167,10 @@ bool command_event_save_config(
    const char *str  = path_exists ? config_path :
       path_get(RARCH_PATH_CONFIG);
 
+   /* Workaround for libdecor 0.2.0 setting unwanted locale */
+#if defined(HAVE_WAYLAND) && defined(HAVE_DYNAMIC)
+   setlocale(LC_NUMERIC,"C");
+#endif
    if (path_exists && config_save_file(config_path))
    {
       snprintf(s, len, "%s \"%s\".",

retroarch.c

@@ -5917,6 +5917,10 @@ static bool retroarch_parse_input_and_config(
    if (!(p_rarch->flags & RARCH_FLAGS_BLOCK_CONFIG_READ))
 #endif
    {
+      /* Workaround for libdecor 0.2.0 setting unwanted locale */
+#if defined(HAVE_WAYLAND) && defined(HAVE_DYNAMIC)
+      setlocale(LC_NUMERIC,"C");
+#endif      
       /* If this is a static build, load salamander
        * config file first (sets RARCH_PATH_CORE) */
 #if !defined(HAVE_DYNAMIC)