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Commit 0b1de0be authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Add rm_rf() utility function 



The rm_rf() function does same as the shell command 'rm -rf' which
removes all directory entries recursively.

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Acked-by: default avatarJiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1431909055-21442-3-git-send-email-namhyung@kernel.org
Link: http://lkml.kernel.org/r/20150130150256.GF6188@krava.brq.redhat.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 86066064

tools/perf/util/util.c

+43 −0
Original line number Diff line number Diff line
@@ -72,6 +72,49 @@ int mkdir_p(char *path, mode_t mode) 
	return (stat(path, &st) && mkdir(path, mode)) ? -1 : 0;

}



int rm_rf(char *path)

{

	DIR *dir;

	int ret = 0;

	struct dirent *d;

	char namebuf[PATH_MAX];



	dir = opendir(path);

	if (dir == NULL)

		return 0;



	while ((d = readdir(dir)) != NULL && !ret) {

		struct stat statbuf;



		if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))

			continue;



		scnprintf(namebuf, sizeof(namebuf), "%s/%s",

			  path, d->d_name);



		ret = stat(namebuf, &statbuf);

		if (ret < 0) {

			pr_debug("stat failed: %s\n", namebuf);

			break;

		}



		if (S_ISREG(statbuf.st_mode))

			ret = unlink(namebuf);

		else if (S_ISDIR(statbuf.st_mode))

			ret = rm_rf(namebuf);

		else {

			pr_debug("unknown file: %s\n", namebuf);

			ret = -1;

		}

	}

	closedir(dir);



	if (ret < 0)

		return ret;



	return rmdir(path);

}



static int slow_copyfile(const char *from, const char *to, mode_t mode)

{

	int err = -1;

tools/perf/util/util.h

+1 −0
Original line number Diff line number Diff line
@@ -249,6 +249,7 @@ static inline int sane_case(int x, int high) 
}



int mkdir_p(char *path, mode_t mode);

int rm_rf(char *path);

int copyfile(const char *from, const char *to);

int copyfile_mode(const char *from, const char *to, mode_t mode);