Add gzvprintf() as an undocumented function in zlib.

The function is only available if stdarg.h is available.
2013-03-22 18:32:37 -07:00
parent dd5d0940e9
commit b06dee4369
5 changed files with 36 additions and 7 deletions
--- a/zconf.h
+++ b/zconf.h
@@ -427,6 +427,12 @@ typedef uLong FAR uLongf;
 #  endif
 #endif

+#if defined(STDC) || defined(Z_HAVE_STDARG_H)
+#  ifndef Z_SOLO
+#    include <stdarg.h>         /* for va_list */
+#  endif
+#endif
+
 #ifdef _WIN32
 #  ifndef Z_SOLO
 #    include <stddef.h>         /* for wchar_t */