From 5a86df4fc8c276317452b6b5f595f187c54199ce Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Wed, 25 Apr 2007 06:46:57 +0000
Subject: [PATCH] Ensure that <unistd.h> and <fcntl.h> define SEEK_CUR etc.

---
 ChangeLog           | 7 +++++++
 lib/unistd_.h       | 5 +++++
 tests/test-fcntl.c  | 3 +++
 tests/test-stdio.c  | 3 +++
 tests/test-unistd.c | 3 +++
 5 files changed, 21 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 0c552c2ed..33c7d57fd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2007-04-25  Bruno Haible  <bruno@clisp.org>
+
+	* lib/unistd_.h: Include <stdio.h> if needed to get the SEEK_* macros.
+	* tests/test-stdio.c: Check that the various SEEK_* macros are defined.
+	* tests/test-unistd.c: Likewise.
+	* tests/test-fcntl.c: Likewise.
+
 2007-04-23  Eric Blake  <ebb9@byu.net>
 
 	* lib/fflush.c: Fix missing include.
diff --git a/lib/unistd_.h b/lib/unistd_.h
index 77df86116..344b5a388 100644
--- a/lib/unistd_.h
+++ b/lib/unistd_.h
@@ -22,6 +22,11 @@
 # include @ABSOLUTE_UNISTD_H@
 #endif
 
+/* mingw doesn't define the SEEK_* macros in <unistd.h>.  */
+#if !(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET)
+# include <stdio.h>
+#endif
+
 
 /* The definition of GL_LINK_WARNING is copied here.  */
 
diff --git a/tests/test-fcntl.c b/tests/test-fcntl.c
index cc956688e..21f67cf11 100644
--- a/tests/test-fcntl.c
+++ b/tests/test-fcntl.c
@@ -26,6 +26,9 @@ int o = O_DIRECT | O_DIRECTORY | O_DSYNC | O_NDELAY | O_NOATIME | O_NONBLOCK
 	| O_NOCTTY | O_NOFOLLOW | O_NOLINKS | O_RSYNC | O_SYNC
 	| O_BINARY | O_TEXT;
 
+/* Check that the various SEEK_* macros are defined.  */
+int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
+
 int
 main ()
 {
diff --git a/tests/test-stdio.c b/tests/test-stdio.c
index 3f97c9d8f..96ea59a2d 100644
--- a/tests/test-stdio.c
+++ b/tests/test-stdio.c
@@ -21,6 +21,9 @@
 
 #include <stdio.h>
 
+/* Check that the various SEEK_* macros are defined.  */
+int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
+
 int
 main ()
 {
diff --git a/tests/test-unistd.c b/tests/test-unistd.c
index a81bd7a58..755708ac0 100644
--- a/tests/test-unistd.c
+++ b/tests/test-unistd.c
@@ -21,6 +21,9 @@
 
 #include <unistd.h>
 
+/* Check that the various SEEK_* macros are defined.  */
+int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
+
 int
 main ()
 {
-- 
2.11.0