Stefan Dösinger : include: Windows SDK C headers have snprintf.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8101d25118db9c35fc84980c1b342a1f515316f9
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=8101d25118db9c35fc84980c1b342a1f515316f9

Author: Stefan Dösinger <stefan at codeweavers.com>
Date:   Sun Nov 17 13:43:14 2019 +0100

include: Windows SDK C headers have snprintf.

And it is a function prototype, so we can't use #ifndef.

Signed-off-by: Stefan Dösinger <stefan at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 include/wine/port.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/wine/port.h b/include/wine/port.h
index b3ef4b905a..264f282837 100644
--- a/include/wine/port.h
+++ b/include/wine/port.h
@@ -69,7 +69,13 @@
 #endif
 #define popen _popen
 #define pclose _pclose
-#define snprintf _snprintf
+/* The UCRT headers in the Windows SDK #error out if we #define snprintf.
+ * The C headers that came with previous Visual Studio versions do not have
+ * snprintf. Check for VS 2015, which appears to be the first version to
+ * use the UCRT headers by default. */
+#if _MSC_VER < 1900
+# define snprintf _snprintf
+#endif
 #define strtoll _strtoi64
 #define strtoull _strtoui64
 #define strncasecmp _strnicmp