Remove build warnings with GCC 6.2submit/tizen_4.0_unified/20170814.115522submit/tizen_4.0/20170828.100009submit/tizen_4.0/20170814.115522submit/tizen_4.0/20170811.094300submit/tizen/20170801.044617accepted/tizen/unified/20170803.010335accepted/tizen/4.0/unified/20170828.223019accepted/tizen/4.0/unified/20170816.015423

*For implicit declaration of function [-Wimplicit-function-declaration]
 . Add #include <stdio.h> prior to use of the function vsnprintf.

*For Unused bariable [-Wunused-variable]
 . Remove it. Really Unused.
 . bufSize, buf, ret

*For Ignoring return value of func() [-Wunused-result]
 . Remove the use of function by https://review.tizen.org/gerrit/#/c/124677/

Change-Id: I7e376cfc30078832141128d10b2e44cd598b9b56

2 files changed, 8 insertions, 8 deletions

diff --git a/src/atrace/atrace.cpp b/src/atrace/atrace.cpp
index 99176bb..324d4da 100755
--- a/src/atrace/atrace.cpp
+++ b/src/atrace/atrace.cpp
@@ -365,12 +365,8 @@ static bool setTagsProperty(uint64_t tags)
 	uint64_t *sm_for_enabled_tag = NULL;
 	int fd = -1;
 
-//atrace "--init_exec" mode
+	// atrace "--init_exec" mode
 	if(g_init_exec) {
-		size_t bufSize = DEF_GR_SIZE;
-		char buf[DEF_GR_SIZE];
-		int ret = 0;
-
 		if(fileExists(ENABLED_TAG_FILE)) {
 			fprintf(stderr, "[Info] T-trace has been already initailized\n");
 			return false; //atrace has been already initailized.
@@ -424,7 +420,7 @@ static bool setTagsProperty(uint64_t tags)
 			}
 		}
 	}
-//atrace normal mode
+	// atrace normal mode
 	else {
 		fd = open(ENABLED_TAG_FILE, O_RDWR | O_CLOEXEC, 0666);		
 		if(fd < 0){
@@ -440,7 +436,7 @@ static bool setTagsProperty(uint64_t tags)
 		*sm_for_enabled_tag = tags;
 	}
 	// For debug
-	//fprintf(stderr, "Enabled TAGs: %u\n", (uint32_t)*sm_for_enabled_tag);
+	// fprintf(stderr, "Enabled TAGs: %u\n", (uint32_t)*sm_for_enabled_tag);
 	//
 	munmap(sm_for_enabled_tag, sizeof(uint64_t));
 	close(fd);
@@ -542,7 +538,7 @@ static bool setUpTrace()
 	    excludedTags |= TTRACE_TAG_ALWAYS;
 	    tags &= ~excludedTags;
 	}
-	printf("Tags: 0x%llx, excludedTags: 0x%llx\n", tags, excludedTags);
+	printf("Tags: 0x%lx, excludedTags: 0x%lx\n", tags, excludedTags);
     }
 
     ok &= startTrace();
@@ -818,6 +814,8 @@ int main(int argc, char **argv)
     bool traceStart = true;
     bool traceStop = true;
     bool traceDump = true;
+
+    // Global Variable Initialization
     excludedTags = 0ULL;
 
     if (argc == 2 && 0 == strcmp(argv[1], "--help")) {
diff --git a/src/trace.c b/src/trace.c
index 59826ef..a4f8fcd 100755
--- a/src/trace.c
+++ b/src/trace.c
@@ -15,6 +15,8 @@
  * limitations under the License.
  */
 
+#include <stdio.h>
+
 #include "ttrace.h"
 #include "stdarg.h"