perf utils: Move is_directory() to path.h

So that it can be used more widely, like in the next patch, when it will
be used to fix a bug in 'perf test' handling of dirent.d_type ==
DT_UNKNOWN.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20171206174535.25380-1-jolsa@kernel.org
[ Split from a larger patch, removed needless includes in path.h ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 13 deletions

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index fac6f053e4da..77e47cf39f2c 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -26,6 +26,7 @@
 #include "util/string2.h"
 #include "util/thread-stack.h"
 #include "util/time-utils.h"
+#include "util/path.h"
 #include "print_binary.h"
 #include <linux/bitmap.h>
 #include <linux/kernel.h>
@@ -2401,19 +2402,6 @@ out:
         return rc;
 }
 
-/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
-static int is_directory(const char *base_path, const struct dirent *dent)
-{
-        char path[PATH_MAX];
-        struct stat st;
-
-        sprintf(path, "%s/%s", base_path, dent->d_name);
-        if (stat(path, &st))
-                return 0;
-
-        return S_ISDIR(st.st_mode);
-}
-
 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
                 if ((lang_dirent->d_type == DT_DIR ||                   \