From e4871c205ffa3b3e0ad3853ba8728d8eb85b6ad6 Mon Sep 17 00:00:00 2001
From: yuqing <yuqing@yongche.com>
Date: Thu, 22 Dec 2016 15:09:39 +0800
Subject: [PATCH] refine getFileContent log info

---
 HISTORY           |  3 ++-
 src/shared_func.c | 25 ++++++++++++++++++++++---
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/HISTORY b/HISTORY
index 622be89..2f7e9f8 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,6 +1,7 @@
 
-Version 1.33  2016-12-13
+Version 1.33  2016-12-22
   * add function hash_get_prime_capacity
+  * refine getFileContent log info
 
 Version 1.32  2016-12-01
   * downgrade log level from warning to debug
diff --git a/src/shared_func.c b/src/shared_func.c
index 763a572..add2ca7 100644
--- a/src/shared_func.c
+++ b/src/shared_func.c
@@ -960,13 +960,32 @@ int getFileContent(const char *filename, char **buff, int64_t *file_size)
 {
 	int fd;
 
+    errno = 0;
     if (!isFile(filename))
     {
 		*buff = NULL;
 		*file_size = 0;
-		logError("file: "__FILE__", line: %d, "
-                "%s is not a regular file", __LINE__, filename);
-        return EINVAL;
+        if (errno != 0)
+        {
+            if (errno == ENOENT)
+            {
+                logError("file: "__FILE__", line: %d, "
+                        "file %s not exist", __LINE__, filename);
+            }
+            else
+            {
+                logError("file: "__FILE__", line: %d, "
+                        "stat %s fail, errno: %d, error info: %s",
+                        __LINE__, filename, errno, STRERROR(errno));
+            }
+            return errno != 0 ? errno : ENOENT;
+        }
+        else
+        {
+            logError("file: "__FILE__", line: %d, "
+                    "%s is not a regular file", __LINE__, filename);
+            return EINVAL;
+        }
     }
 
 	fd = open(filename, O_RDONLY);