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| author | Ted Lemon <source@isc.org> | 1999-07-31 23:24:33 +0000 |
|---|---|---|
| committer | Ted Lemon <source@isc.org> | 1999-07-31 23:24:33 +0000 |
| commit | b5b7abf8b6b21991d78a37dc20794aa1a341ad24 (patch) | |
| tree | f13e10fc76f487afe3f5da462741806253770d2e /common/dhcp-eval.5 | |
| parent | 6499fe2748078e013999be2fa46e58ca1e75289b (diff) | |
| download | isc-dhcp-b5b7abf8b6b21991d78a37dc20794aa1a341ad24.tar.gz | |
Change behaviour of concat so that any null argument produces a null result.
Diffstat (limited to 'common/dhcp-eval.5')
| -rw-r--r-- | common/dhcp-eval.5 | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/common/dhcp-eval.5 b/common/dhcp-eval.5 index 89fd9b33..2ab9d9c5 100644 --- a/common/dhcp-eval.5 +++ b/common/dhcp-eval.5 @@ -243,9 +243,9 @@ specified as a data expression. .B concat (\fIdata-expr1\fB, ..., \fIdata-exprN\fB)\fR .RS 0.25i The expressions are evaluated, and the results of each evaluation are -concatenated in the sequence that the subexpressions are listed. Any -subexpression that evaluates to null is treated as a zero-length string. -If all the arguments to concat are null, the result is also null. +concatenated in the sequence that the subexpressions are listed. If +any subexpression evaluates to null, the result of the concatenation +is null. .RE .PP .B reverse (\fInumeric-expr1\fB, \fIdata-expr2\fB)\fR |