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[PATCH] Make libio.h work in cygwin-b20
- To: cygwin at sourceware dot cygnus dot com
- Subject: [PATCH] Make libio.h work in cygwin-b20
- From: Nix <nix at esperi dot demon dot co dot uk>
- Date: Sun, 26 Sep 1999 14:44:04 +0100 (BST)
libio.h does not work when #included in cygwin-b20.
This is because of this code therefrom:
: #ifndef __P
: # if _G_HAVE_SYS_CDEFS
: # include <sys/cdefs.h>
: # else
: # ifdef __STDC__
: # define __P(p) p
: # else
: # define __P(p) ()
: # endif
: # endif
: #endif /*!__P*/
[and, further down, code that uses __P, like
: extern int _IO_getc __P ((_IO_FILE *__fp));
]
This code is OK; the GNU C Library has included a definition of __P in
<sys/cdefs.h> for donkey's years (since before the changelog began, it
seems).
But cygwin-b20's <cdefs.h> does not contain such a definition, so that
any code that includes <libio.h> before including anything else that
defines __P breaks.
This patch adds such a definition to <sys/cdefs.h>. (The path in the
patch may well be wrong.)
--- sys/cdefs.h.orig Sat Sep 25 20:30:57 1999
+++ sys/cdefs.h Sat Sep 25 20:30:57 1999
@@ -7,5 +7,9 @@
#define __BEGIN_DECLS
#define __END_DECLS
#endif
+#ifdef __STDC__
+#define __P(args) args
+#else
+#define __P(args) ()
+#endif
#endif
I hope this is useful.
--
`I need some female underwear.' --- Vadik @ 1999-09-19
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