linux-kernel - [PATCH 07/15] tools lib api: Add STR and PATH

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Date:	Wed,  2 Sep 2015 09:56:37 +0200
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Raphaël Beamonte <raphael.beamonte@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 07/15] tools lib api: Add STR and PATH_MAX macros to fs object

We're going to get rid of findfs.h in following patches,
but we'll still need these macros.

Link: http://lkml.kernel.org/n/tip-mrjj0llsem9pjakkrx9o0j6g@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/lib/api/fs/fs.c | 3 +++
 tools/lib/api/fs/fs.h | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c
index 128ef6332a6b..5e838d3c419d 100644
--- a/tools/lib/api/fs/fs.c
+++ b/tools/lib/api/fs/fs.c
@@ -15,6 +15,9 @@
 #include "debugfs.h"
 #include "fs.h"
 
+#define _STR(x) #x
+#define STR(x) _STR(x)
+
 static const char * const sysfs__fs_known_mountpoints[] = {
 	"/sys",
 	0,
diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h
index 6caa2bbc6cec..fd6288d73383 100644
--- a/tools/lib/api/fs/fs.h
+++ b/tools/lib/api/fs/fs.h
@@ -1,6 +1,14 @@
 #ifndef __API_FS__
 #define __API_FS__
 
+/*
+ * On most systems <limits.h> would have given us this, but  not on some systems
+ * (e.g. GNU/Hurd).
+ */
+#ifndef PATH_MAX
+#define PATH_MAX 4096
+#endif
+
 #ifndef SYSFS_MAGIC
 #define SYSFS_MAGIC            0x62656572
 #endif
-- 
2.4.3

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