From 6f48c7f25e6db54941c110517ff25648d6287ec8 Mon Sep 17 00:00:00 2001
From: nocjj <[email protected]>
Date: Tue, 16 Mar 2021 20:04:32 +0800
Subject: [PATCH] utils: del realpath from read_file

Since the path in read_file is constructed by vmtop, there is no need
to use realpath to modify the path. So, del realpath to release cpu time.

Signed-off-by: nocjj <[email protected]>
---
 src/utils.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/utils.c b/src/utils.c
index 3cb1146..29de9c9 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -24,12 +24,11 @@ int read_file(char *buf, int bufsize, const char *path)
 {
     int fd;
     int len;
-    char mpath[PATH_MAX];
 
-    if (strlen(path) > PATH_MAX - 1 || realpath(path, mpath) == NULL) {
+    if (strlen(path) > PATH_MAX - 1) {
         return -1;
     }
-    fd = open(mpath, O_RDONLY, 0);
+    fd = open(path, O_RDONLY, 0);
     if (fd == -1) {
         return -1;
     }
-- 
2.27.0