write: Fix a C++ test error on mingw.

diff --git a/ChangeLog b/ChangeLog
index d347b26bc7e83c194e5a80df2bc31d2c6f47067d..b8435cd3de1429af6c2cbd5724cc8379b7f31450 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-04-10  Bruno Haible  <bruno@clisp.org>
+
+       write: Fix a C++ test error on mingw.
+       * lib/unistd.in.h (write): Use _GL_CXXALIAS_SYS_CAST.
+
 2010-04-10  Bruno Haible  <bruno@clisp.org>
 
        vasnprintf test: Reduce code duplication.

diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 8e5ff9eac10d499d7943e73f12aad78a4fc15df4..7302d6d3e1a54bc138d140367d61dc263a855a03 100644 (file)
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -1268,7 +1268,10 @@ _GL_FUNCDECL_RPL (write, ssize_t, (int fd, const void *buf, size_t count)
                                   _GL_ARG_NONNULL ((2)));
 _GL_CXXALIAS_RPL (write, ssize_t, (int fd, const void *buf, size_t count));
 # else
-_GL_CXXALIAS_SYS (write, ssize_t, (int fd, const void *buf, size_t count));
+/* Need to cast, because on mingw, the third parameter is
+                                                             unsigned int count
+   and the return type is 'int'.  */
+_GL_CXXALIAS_SYS_CAST (write, ssize_t, (int fd, const void *buf, size_t count));
 # endif
 _GL_CXXALIASWARN (write);
 #endif