Not necessarily mandatory but I saw a few prometheus client parsing only
`NaN`. Also most librarries do output `NaN`
Signed-off-by: William Dauchy <wdau...@gmail.com>
---
contrib/prometheus-exporter/service-prometheus.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/contrib/prometheus-exporter/service-prometheus.c
b/contrib/prometheus-exporter/service-prometheus.c
index aa72382d9..bc9ebf3fc 100644
--- a/contrib/prometheus-exporter/service-prometheus.c
+++ b/contrib/prometheus-exporter/service-prometheus.c
@@ -415,7 +415,7 @@ static int promex_srv_status(struct server *sv)
/* Convert a field to its string representation and write it in <out>, followed
* by a newline, if there is enough space. non-numeric value are converted in
- * "Nan" because Prometheus only support numerical values (but it is
unexepceted
+ * "NaN" because Prometheus only support numerical values (but it is
unexepceted
* to process this kind of value). It returns 1 on success. Otherwise, it
* returns 0. The buffer's length must not exceed <max> value.
*/
@@ -424,14 +424,14 @@ static int promex_metric_to_str(struct buffer *out,
struct field *f, size_t max)
int ret = 0;
switch (field_format(f, 0)) {
- case FF_EMPTY: ret = chunk_strcat(out, "Nan\n"); break;
+ case FF_EMPTY: ret = chunk_strcat(out, "NaN\n"); break;
case FF_S32: ret = chunk_appendf(out, "%d\n", f->u.s32);
break;
case FF_U32: ret = chunk_appendf(out, "%u\n", f->u.u32);
break;
case FF_S64: ret = chunk_appendf(out, "%lld\n", (long
long)f->u.s64); break;
case FF_U64: ret = chunk_appendf(out, "%llu\n", (unsigned
long long)f->u.u64); break;
case FF_FLT: ret = chunk_appendf(out, "%f\n", f->u.flt);
break;
- case FF_STR: ret = chunk_strcat(out, "Nan\n"); break;
- default: ret = chunk_strcat(out, "Nan\n"); break;
+ case FF_STR: ret = chunk_strcat(out, "NaN\n"); break;
+ default: ret = chunk_strcat(out, "NaN\n"); break;
}
if (!ret || out->data > max)
return 0;
--
2.29.2
