BUG/MINOR: sample: Fix 'fix_tag_value' sample when waiting for more data
The test on the return value of fix_tag_value() function was inverted. To
wait for more data, the return value must be a valid empty string and not
IST_NULL.
This patch must be backported to 2.4.
(cherry picked from commit a5aa08274241b519fcfe3077ec0cc336921392be)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
diff --git a/src/sample.c b/src/sample.c
index 91fb0a7..abce9b9 100644
--- a/src/sample.c
+++ b/src/sample.c
@@ -3432,7 +3432,7 @@
value = fix_tag_value(ist2(smp->data.u.str.area, smp->data.u.str.data),
arg_p[0].data.sint);
if (!istlen(value)) {
- if (!isttest(value)) {
+ if (isttest(value)) {
/* value != IST_NULL, need more data */
smp->flags |= SMP_F_MAY_CHANGE;
}