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White Rabbit Switch - Software
Commit 5935647c authored by baujc's avatar baujc
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Fix issue printing negative values for RelativeDifference type

parent 343901c6
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Showing with 10 additions and 2 deletions
userspace/tools/time_lib.c
View file @ 5935647c
...@@ -55,19 +55,27 @@ char * timestampToString(struct Timestamp *time,char *buf){ ...@@ -55,19 +55,27 @@ char * timestampToString(struct Timestamp *time,char *buf){
} }
char * relativeDifferenceToString(RelativeDifference 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; uint64_t sub_yocto=0;
int64_t fraction; int64_t fraction;
uint64_t bitWeight=500000000000000000; uint64_t bitWeight=500000000000000000;
uint64_t mask; uint64_t mask;
if ( time<0 ) {
time=-time;
sign='-';
} else {
sign='+';
}
nsecs=time >> REL_DIFF_FRACBITS;
fraction=time & REL_DIFF_FRACMASK; fraction=time & REL_DIFF_FRACMASK;
for (mask=(uint64_t) 1<< (REL_DIFF_FRACBITS-1);mask!=0; mask>>=1 ) { for (mask=(uint64_t) 1<< (REL_DIFF_FRACBITS-1);mask!=0; mask>>=1 ) {
if ( mask & fraction ) if ( mask & fraction )
sub_yocto+=bitWeight; sub_yocto+=bitWeight;
bitWeight/=2; bitWeight/=2;
} }
sprintf(buf,"%"PRId32".%018"PRIu64, nsecs, sub_yocto); sprintf(buf,"%c%"PRId32".%018"PRIu64, sign, nsecs, sub_yocto);
return buf; return buf;
} }
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