Move repeated #ifdef magic to find PATH_MAX into a common header

Lets stop duplicating the mess all over

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Matthieu Herrb <matthieu.herrb@laas.fr>
Signed-off-by: Julien Cristau <jcristau@debian.org>
Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>

4 files changed, 85 insertions, 48 deletions

diff --git a/nx-X11/lib/X11/GetDflt.c b/nx-X11/lib/X11/GetDflt.c
index 0c00b3c94..749893c7e 100644
--- a/nx-X11/lib/X11/GetDflt.c
+++ b/nx-X11/lib/X11/GetDflt.c
@@ -52,30 +52,7 @@ SOFTWARE.
 #include "Xlibint.h"
 #include <nx-X11/Xos.h>
 #include <nx-X11/Xresource.h>
-
-#ifndef X_NOT_POSIX
-#ifdef _POSIX_SOURCE
-#include <limits.h>
-#else
-#define _POSIX_SOURCE
-#include <limits.h>
-#undef _POSIX_SOURCE
-#endif
-#endif
-#ifndef PATH_MAX
-#ifdef WIN32
-#define PATH_MAX 512
-#else
-#include <sys/param.h>
-#endif
-#ifndef PATH_MAX
-#ifdef MAXPATHLEN
-#define PATH_MAX MAXPATHLEN
-#else
-#define PATH_MAX 1024
-#endif
-#endif
-#endif
+#include "pathmax.h"
 
 #ifdef XTHREADS
 #include <nx-X11/Xthreads.h>
diff --git a/nx-X11/lib/X11/Imakefile b/nx-X11/lib/X11/Imakefile
index d4045b615..5a1fc5ff2 100644
--- a/nx-X11/lib/X11/Imakefile
+++ b/nx-X11/lib/X11/Imakefile
@@ -1146,7 +1146,7 @@ MakeLintSubdirs($(LINTSUBDIRS),install.ln,install.ln)
 #endif
 #endif
 
-includes:: XlibConf.h
+includes:: XlibConf.h pathmax.h
 
 #include <Threads.tmpl>
 
diff --git a/nx-X11/lib/X11/lcFile.c b/nx-X11/lib/X11/lcFile.c
index 50159f64b..8c2e7c062 100644
--- a/nx-X11/lib/X11/lcFile.c
+++ b/nx-X11/lib/X11/lcFile.c
@@ -54,29 +54,7 @@
 
 #define XLC_BUFSIZE 256
 
-#ifndef X_NOT_POSIX
-#ifdef _POSIX_SOURCE
-#include <limits.h>
-#else
-#define _POSIX_SOURCE
-#include <limits.h>
-#undef _POSIX_SOURCE
-#endif
-#endif
-#ifndef PATH_MAX
-#ifdef WIN32
-#define PATH_MAX 512
-#else
-#include <sys/param.h>
-#endif
-#ifndef PATH_MAX
-#ifdef MAXPATHLEN
-#define PATH_MAX MAXPATHLEN
-#else
-#define PATH_MAX 1024
-#endif
-#endif
-#endif
+#include "pathmax.h"
 
 #define NUM_LOCALEDIR	64
 
diff --git a/nx-X11/lib/X11/pathmax.h b/nx-X11/lib/X11/pathmax.h
new file mode 100644
index 000000000..ffec295e0
--- /dev/null
+++ b/nx-X11/lib/X11/pathmax.h
@@ -0,0 +1,82 @@
+
+/***********************************************************
+
+Copyright 1987, 1988, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+                        All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the name of Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+SOFTWARE.
+
+******************************************************************/
+
+/*
+ * Provides a single definition of PATH_MAX instead of replicating this mess
+ * in multiple files
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <nx-X11/Xos.h>
+
+#ifndef X_NOT_POSIX
+#ifdef _POSIX_SOURCE
+#include <limits.h>
+#else
+#define _POSIX_SOURCE
+#include <limits.h>
+#undef _POSIX_SOURCE
+#endif
+#endif
+#ifndef PATH_MAX
+#ifdef WIN32
+#define PATH_MAX 512
+#else
+#include <sys/param.h>
+#endif
+#ifndef PATH_MAX
+#ifdef MAXPATHLEN
+#define PATH_MAX MAXPATHLEN
+#else
+#define PATH_MAX 1024
+#endif
+#endif
+#endif
+