From: Semun Lee <semun.lee@samsung.com>
Date: Wed, 11 Apr 2018 05:45:43 +0000 (+0900)
Subject: Check return value of fseek and ftell
X-Git-Tag: submit/tizen/20180411.093905~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eae21de23e5163088c73cafeac2e92676a15e4b9;p=platform%2Fcore%2Fapi%2Fpreference.git

Check return value of fseek and ftell

Change-Id: Ic2518251d8e8bfbfb3d53caa44c9ff378422c482
Signed-off-by: Semun Lee <semun.lee@samsung.com>
---

diff --git a/src/tool/preference_tool.c b/src/tool/preference_tool.c
index 9791277..4990933 100644
--- a/src/tool/preference_tool.c
+++ b/src/tool/preference_tool.c
@@ -824,8 +824,20 @@ static int _add_key_info_to_file(const char *key_path, const char *key)
 		return -1;
 	}
 
-	fseek(fp, 0, SEEK_END);
+	ret = fseek(fp, 0, SEEK_END);
+	if (ret == -1) {
+		printf("failed to fseek.(%d/%s)\n", errno, strerror(errno));
+		ret = -1;
+		goto out;
+	}
+
 	file_size = ftell(fp);
+	if (file_size == -1) {
+		printf("failed to ftell.(%d/%s)\n", errno, strerror(errno));
+		ret = -1;
+		goto out;
+	}
+
 	rewind(fp);
 
 	buf = (char *)calloc(1, file_size);