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Diffstat (limited to 'doc/ivy-c.sgml')
| -rw-r--r-- | doc/ivy-c.sgml | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/ivy-c.sgml b/doc/ivy-c.sgml index 0021035..b737f6c 100644 --- a/doc/ivy-c.sgml +++ b/doc/ivy-c.sgml @@ -364,6 +364,13 @@ binds callback function <function>cb</function> to the regular expression specif <parameter>regex_format</parameter> and the optional following arguments. <parameter>regex_format</parameter> and the following arguments are handled as in <function>printf</function>. The return value is an identifier that can be used later for cancelling the subscription. +There is a special syntax for specifying numeric interval, in this case +the interval is locally transformed in a pcre regexp. +syntax is (?Imin#max[fi]). min and max are the bounds, +by default the regexp match decimal number, but if max bound is +followed by 'i', the regexp match only integers ex : (?I-10#20), (?I20#25i) +Note that due to the regexp generator limitation (which will perhaps be raised eventually) +the bounds are always integers. <programlisting> void IvyUnbindMsg (MsgRcvPtr id); |