linux-kernel - [PATCH 11/31] tools lib api fs: Add STR and PATH

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Date:	Fri,  4 Sep 2015 13:44:55 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	Raphael Beamonte <raphael.beamonte@...il.com>,
	David Ahern <dsahern@...il.com>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 11/31] tools lib api fs: Add STR and PATH_MAX macros to fs object

From: Jiri Olsa <jolsa@...nel.org>

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

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Raphael Beamonte <raphael.beamonte@...il.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Matt Fleming <matt@...eblueprint.co.uk>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Steven Rostedt <rostedt@...dmis.org>
Link: http://lkml.kernel.org/r/1441180605-24737-8-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 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
-- 
2.1.0

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