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Commit d400a68d authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Convert open coded equivalents to asprintf() 



The following snippet
	V = malloc(S);
	if (!V) { }
	sprintf(V, ...)

Can be easily changed to a one line:

	if (asprintf(&V, ...) < 0) { }

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Link: http://lkml.kernel.org/r/1404474229-15272-1-git-send-email-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent f8d9ccde

tools/perf/util/trace-event-info.c

+3 −9
Original line number Diff line number Diff line
@@ -191,12 +191,10 @@ static int copy_event_system(const char *sys, struct tracepoint_path *tps) 
		    strcmp(dent->d_name, "..") == 0 ||

		    !name_in_tp_list(dent->d_name, tps))

			continue;

		format = malloc(strlen(sys) + strlen(dent->d_name) + 10);

		if (!format) {

		if (asprintf(&format, "%s/%s/format", sys, dent->d_name) < 0) {

			err = -ENOMEM;

			goto out;

		}

		sprintf(format, "%s/%s/format", sys, dent->d_name);

		ret = stat(format, &st);

		free(format);

		if (ret < 0)
@@ -217,12 +215,10 @@ static int copy_event_system(const char *sys, struct tracepoint_path *tps) 
		    strcmp(dent->d_name, "..") == 0 ||

		    !name_in_tp_list(dent->d_name, tps))

			continue;

		format = malloc(strlen(sys) + strlen(dent->d_name) + 10);

		if (!format) {

		if (asprintf(&format, "%s/%s/format", sys, dent->d_name) < 0) {

			err = -ENOMEM;

			goto out;

		}

		sprintf(format, "%s/%s/format", sys, dent->d_name);

		ret = stat(format, &st);



		if (ret >= 0) {
@@ -317,12 +313,10 @@ static int record_event_files(struct tracepoint_path *tps) 
		    strcmp(dent->d_name, "ftrace") == 0 ||

		    !system_in_tp_list(dent->d_name, tps))

			continue;

		sys = malloc(strlen(path) + strlen(dent->d_name) + 2);

		if (!sys) {

		if (asprintf(&sys, "%s/%s", path, dent->d_name) < 0) {

			err = -ENOMEM;

			goto out;

		}

		sprintf(sys, "%s/%s", path, dent->d_name);

		ret = stat(sys, &st);

		if (ret >= 0) {

			ssize_t size = strlen(dent->d_name) + 1;

tools/perf/util/util.c

+2 −7
Original line number Diff line number Diff line
@@ -333,12 +333,9 @@ const char *find_tracing_dir(void) 
	if (!debugfs)

		return NULL;



	tracing = malloc(strlen(debugfs) + 9);

	if (!tracing)

	if (asprintf(&tracing, "%s/tracing", debugfs) < 0)

		return NULL;



	sprintf(tracing, "%s/tracing", debugfs);



	tracing_found = 1;

	return tracing;

}
@@ -352,11 +349,9 @@ char *get_tracing_file(const char *name) 
	if (!tracing)

		return NULL;



	file = malloc(strlen(tracing) + strlen(name) + 2);

	if (!file)

	if (asprintf(&file, "%s/%s", tracing, name) < 0)

		return NULL;



	sprintf(file, "%s/%s", tracing, name);

	return file;

}