[tip:perf/core] tools lib traceevent: Use 'const' in variables pointing to const strings

From: tip-bot for Arnaldo Carvalho de Melo
Date: Wed Nov 14 2012 - 02:49:27 EST


Commit-ID: 27f94d52394003d444a383eaf8d4824daf32432e
Gitweb: http://git.kernel.org/tip/27f94d52394003d444a383eaf8d4824daf32432e
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Fri, 9 Nov 2012 17:40:47 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 9 Nov 2012 17:42:47 -0300

tools lib traceevent: Use 'const' in variables pointing to const strings

Fixing the build on fedora 14, 32-bit:

tools/lib/traceevent/event-parse.c: In function âfind_cmdlineâ:
tools/lib/traceevent/event-parse.c:183:3: error: return discards qualifiers from pointer target type
tools/lib/traceevent/event-parse.c:186:3: error: return discards qualifiers from pointer target type
tools/lib/traceevent/event-parse.c:195:2: error: return discards qualifiers from pointer target type
tools/lib/traceevent/event-parse.c: In function âprocess_func_handlerâ:
tools/lib/traceevent/event-parse.c:2658:9: error: assignment discards qualifiers from pointer target type
tools/lib/traceevent/event-parse.c:2660:9: error: assignment discards qualifiers from pointer target type
tools/lib/traceevent/event-parse.c: In function âprint_mac_argâ:
tools/lib/traceevent/event-parse.c:3892:14: error: initialization discards qualifiers from pointer target type
tools/lib/traceevent/event-parse.c:3906:7: error: assignment discards qualifiers from pointer target type
tools/lib/traceevent/event-parse.c: In function âpevent_print_eventâ:
tools/lib/traceevent/event-parse.c:4412:24: error: initialization discards qualifiers from pointer target type

Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-0k5g8urwu7vwkgbcbt2x05fe@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/lib/traceevent/event-parse.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 669953a..5a824e3 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -174,7 +174,7 @@ static int cmdline_init(struct pevent *pevent)
return 0;
}

-static char *find_cmdline(struct pevent *pevent, int pid)
+static const char *find_cmdline(struct pevent *pevent, int pid)
{
const struct cmdline *comm;
struct cmdline key;
@@ -2637,7 +2637,7 @@ process_func_handler(struct event_format *event, struct pevent_function_handler
struct print_arg *farg;
enum event_type type;
char *token;
- char *test;
+ const char *test;
int i;

arg->type = PRINT_FUNC;
@@ -3889,7 +3889,7 @@ static void print_mac_arg(struct trace_seq *s, int mac, void *data, int size,
struct event_format *event, struct print_arg *arg)
{
unsigned char *buf;
- char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x";
+ const char *fmt = "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x";

if (arg->type == PRINT_FUNC) {
process_defined_func(s, data, size, event, arg);
@@ -4409,7 +4409,7 @@ void pevent_event_info(struct trace_seq *s, struct event_format *event,
void pevent_print_event(struct pevent *pevent, struct trace_seq *s,
struct pevent_record *record)
{
- static char *spaces = " "; /* 20 spaces */
+ static const char *spaces = " "; /* 20 spaces */
struct event_format *event;
unsigned long secs;
unsigned long usecs;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/