X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e461247b05b417b5c1a5f961de137b3fee2a071e..3e97a905185a72c04a7feb67c7885ab4412100ee:/include/wx/wxcrtvararg.h

diff --git a/include/wx/wxcrtvararg.h b/include/wx/wxcrtvararg.h
index 386b7338ab..77ffc5f0d7 100644
--- a/include/wx/wxcrtvararg.h
+++ b/include/wx/wxcrtvararg.h
@@ -31,9 +31,12 @@
 /* printf() family saga */
 
 /*
-   For some systems [v]snprintf() exists in the system libraries but not in the
-   headers, so we need to declare it ourselves to be able to use it.
+   For many old Unix systems [v]snprintf()/vsscanf() exists in the system
+   libraries but not in the headers, so we need to declare it ourselves to be
+   able to use it.
  */
+#ifdef __UNIX__
+
 #if defined(HAVE_VSNPRINTF) && !defined(HAVE_VSNPRINTF_DECL)
 #ifdef __cplusplus
     extern "C"
@@ -52,6 +55,15 @@
     int snprintf(char *str, size_t size, const char *format, ...);
 #endif /* !HAVE_SNPRINTF_DECL */
 
+#if defined(HAVE_VSSCANF) && !defined(HAVE_VSSCANF_DECL)
+#ifdef __cplusplus
+    extern "C"
+#else
+    extern
+#endif
+    int vsscanf(const char *str, const char *format, va_list ap);
+#endif /* !HAVE_VSSCANF_DECL */
+
 /* Wrapper for vsnprintf if it's 3rd parameter is non-const. Note: the
  * same isn't done for snprintf below, the builtin wxSnprintf_ is used
  * instead since it's already a simple wrapper */
@@ -62,6 +74,8 @@
     }
 #endif
 
+#endif /* __UNIX__ */
+
 /*
    mingw32 normally uses MSVCRT which has non-standard vswprintf() and so
    normally _vsnwprintf() is used instead, the only exception is when mingw32
@@ -196,6 +210,9 @@
 #if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_WPRINTF)
     #define wxNEED_WPRINTF
 #endif
+#if wxUSE_UNICODE && !defined(wxHAVE_TCHAR_SUPPORT) && !defined(HAVE_VSWSCANF)
+    #define wxNEED_VSWSCANF
+#endif
 
 
 #if defined(wxNEED_WPRINTF)
@@ -232,11 +249,14 @@
     int wxCRT_ScanfW(const wchar_t *format, ...);
     int wxCRT_SscanfW(const wchar_t *str, const wchar_t *format, ...);
     int wxCRT_FscanfW(FILE *stream, const wchar_t *format, ...);
-    int wxCRT_VsscanfW(const wchar_t *str, const wchar_t *format, va_list ap);
 #else
     #define wxCRT_ScanfW     wxVMS_USE_STD wscanf
     #define wxCRT_SscanfW    wxVMS_USE_STD swscanf
     #define wxCRT_FscanfW    wxVMS_USE_STD fwscanf
+#endif
+#ifdef wxNEED_VSWSCANF
+    int wxCRT_VsscanfW(const wchar_t *str, const wchar_t *format, va_list ap);
+#else
     #define wxCRT_VsscanfW   wxVMS_USE_STD vswscanf
 #endif