Fix issue printing negative values for RelativeDifference type

5935647c · baujc · 343901c6 · 5935647c
Commit 5935647c authored May 02, 2019 by baujc
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Showing with 10 additions and 2 deletions

time_lib.c userspace/tools/time_lib.c +10 -2

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--- a/userspace/tools/time_lib.c
+++ b/userspace/tools/time_lib.c
@@ -55,19 +55,27 @@ char * timestampToString(struct Timestamp *time,char *buf){
 }

 char * relativeDifferenceToString(RelativeDifference time, char *buf ) {
-    int32_t nsecs=time >> REL_DIFF_FRACBITS;
+	char sign;
+    int32_t nsecs;
 	uint64_t sub_yocto=0;
    int64_t fraction;
 	uint64_t bitWeight=500000000000000000;
 	uint64_t mask;

+	if ( time<0 ) {
+		time=-time;
+		sign='-';
+	} else {
+		sign='+';
+	}

+	nsecs=time >> REL_DIFF_FRACBITS;
    fraction=time & REL_DIFF_FRACMASK;
 	for (mask=(uint64_t) 1<< (REL_DIFF_FRACBITS-1);mask!=0; mask>>=1 ) {
 		if ( mask & fraction )
 			sub_yocto+=bitWeight;
 		bitWeight/=2;
 	}
-	sprintf(buf,"%"PRId32".%018"PRIu64, nsecs, sub_yocto);
+	sprintf(buf,"%c%"PRId32".%018"PRIu64, sign, nsecs, sub_yocto);
 	return buf;
 }