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perf utils: Move is_directory() to path.h

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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>
This commit is contained in:
Jiri Olsa
2017-12-06 18:45:35 +01:00
committed by Arnaldo Carvalho de Melo
parent 29734550c9
commit 06c3f2aa9f
3 changed files with 18 additions and 13 deletions
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14
tools/perf/util/path.c
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@@ -18,6 +18,7 @@
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <unistd.h>
static char bad_path[] = "/bad-path/";
@@ -77,3 +78,16 @@ bool is_regular_file(const char *file)
return S_ISREG(st.st_mode);
}
/* Helper function for filesystems that return a dent->d_type DT_UNKNOWN */
bool 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 false;
return S_ISDIR(st.st_mode);
}