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Commit cb1a28a0 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf lib: Introduce rtrim 

Remove the trailing whitespaces.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-8bxozh5lyixgjmziqaxo9675@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e078ba14

tools/perf/util/string.c

+22 −0
Original line number Diff line number Diff line
@@ -313,3 +313,25 @@ int strtailcmp(const char *s1, const char *s2) 
	return 0;

}



/**

 * rtrim - Removes trailing whitespace from @s.

 * @s: The string to be stripped.

 *

 * Note that the first trailing whitespace is replaced with a %NUL-terminator

 * in the given string @s. Returns @s.

 */

char *rtrim(char *s)

{

	size_t size = strlen(s);

	char *end;



	if (!size)

		return s;



	end = s + size - 1;

	while (end >= s && isspace(*end))

		end--;

	*(end + 1) = '\0';



	return s;

}

tools/perf/util/util.h

+2 −0
Original line number Diff line number Diff line
@@ -264,4 +264,6 @@ bool is_power_of_2(unsigned long n) 


size_t hex_width(u64 v);



char *rtrim(char *s);



#endif