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MINOR: pattern: centralize handling of unstable data in pattern_process()

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Pattern fetch functions currently check for unstable data and return 0
when SMP_F_MAY_CHANGE is set. Instead of doing this everywhere and having
to support specific fetch functions, better do that in pattern_process()
which is the one interested in having stable data.
This commit is contained in:
Willy Tarreau 2012-04-26 11:05:50 +02:00
parent 7fc1c6eefb
commit 40aebd9239
1 changed files with 3 additions and 0 deletions
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3
src/pattern.c
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@ -486,6 +486,9 @@ struct sample *pattern_process(struct proxy *px, struct session *l4, void *l7,
if (!expr->fetch->process(px, l4, l7, opt, expr->arg_p, p))
return NULL;
if (p->flags & SMP_F_MAY_CHANGE)
return NULL; /* we can only use stable patterns */
list_for_each_entry(conv_expr, &expr->conv_exprs, list) {
/* we want to ensure that p->type can be casted into
* conv_expr->conv->in_type. We have 3 possibilities :