Ensure that decode/encode functions use the locale. (#38)

Ensure that decode/encode functions use the locale. On return, the locale is restored to the value it had before calling any function.

Author: jjceresa

CMakeLists.txt

@@ -60,12 +60,14 @@ include ( DefaultDirs )
 include ( CheckSTDC )
 include ( CheckIncludeFile )
 check_include_file ( string.h HAVE_STRING_H )
-check_include_file ( stdlib.h HAVE_STDLIB_H ) 
-check_include_file ( stdio.h HAVE_STDIO_H ) 
-check_include_file ( math.h HAVE_MATH_H ) 
-check_include_file ( errno.h HAVE_ERRNO_H ) 
-check_include_file ( stdarg.h HAVE_STDARG_H ) 
+check_include_file ( stdlib.h HAVE_STDLIB_H )
+check_include_file ( stdio.h HAVE_STDIO_H )
+check_include_file ( math.h HAVE_MATH_H )
+check_include_file ( errno.h HAVE_ERRNO_H )
+check_include_file ( stdarg.h HAVE_STDARG_H )
 check_include_file ( unistd.h HAVE_UNISTD_H )
+check_include_file ( locale.h HAVE_LOCALE_H )
+check_include_file ( xlocale.h HAVE_XLOCALE_H )
 
 if ( WIN32 )
   # Check presence of MS include files

config.h.cmake

@@ -13,6 +13,9 @@
 /* Define to 1 if you have the <math.h> header file. */
 #cmakedefine HAVE_MATH_H @HAVE_MATH_H@
 
+/* Define to 1 if you have the <locale.h> header file. */
+#cmakedefine HAVE_LOCALE_H @HAVE_LOCALE_H@
+
 /* Define to 1 if you have the <stdarg.h> header file. */
 #cmakedefine HAVE_STDARG_H @HAVE_STDARG_H@
 
@@ -34,6 +37,9 @@
 /* Define to 1 if you have the <windows.h> header file. */
 #cmakedefine HAVE_WINDOWS_H @HAVE_WINDOWS_H@
 
+/* Define to 1 if you have the <xlocale.h> header file. */
+#cmakedefine HAVE_XLOCALE_H @HAVE_XLOCALE_H@
+
 /* Define if using the MinGW32 environment */
 #cmakedefine MINGW32 @MINGW32@