Module Name: othersrc
Committed By: uwe
Date: Tue Oct 5 23:35:39 UTC 2021
Modified Files:
othersrc/external/bsd/agcre/dist: libagcre.3
Log Message:
Sprinkle more markup in previous. Sync argument names.
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 othersrc/external/bsd/agcre/dist/libagcre.3
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: othersrc/external/bsd/agcre/dist/libagcre.3
diff -u othersrc/external/bsd/agcre/dist/libagcre.3:1.5 othersrc/external/bsd/agcre/dist/libagcre.3:1.6
--- othersrc/external/bsd/agcre/dist/libagcre.3:1.5 Tue Oct 5 22:17:15 2021
+++ othersrc/external/bsd/agcre/dist/libagcre.3 Tue Oct 5 23:35:38 2021
@@ -1,4 +1,4 @@
-.\" $NetBSD: libagcre.3,v 1.5 2021/10/05 22:17:15 agc Exp $
+.\" $NetBSD: libagcre.3,v 1.6 2021/10/05 23:35:38 uwe Exp $
.\"
.\" Copyright (c) 2017,2020,2021 Alistair Crooks <[email protected]>
.\" All rights reserved.
@@ -165,7 +165,7 @@ Traces execution of the regular expressi
.It Dv AGCRE_REG_CTAGS
This is used where a regular expression pattern was generated by the
.Xr ctags 1
-program, since the syntax generated does not conform to a standard
+program, since the syntax generated does not conform to a standard
basic regular expression.
In particular,
.Xr ctags 1
@@ -353,29 +353,43 @@ functions perform substitutions using
.Xr sed 1
like syntax.
They return the length of
-the string that would have been created if there was enough space or -1 on error, setting errno.
+the string that would have been created if there was enough space
+or \-1 on error, setting
+.Va errno .
The result is
-placed in buf which is user-supplied in
+placed in
+.Fa buf
+which is user-supplied in
.Fn agcre_regnsub
and dynamically allocated in
.Fn agcre_regasub .
-The sub argument
-contains a substitution string which might refer to the first 9 regular expression strings using
-.Ql \e<n>
+The
+.Fa repl
+argument contains a substitution string which might
+refer to the first 9 regular expression strings using
+.Sq Li \e Ns Ar <n>
to refer
-to the nth matched item, or
-.Ql &
+to the
+.Ar n\^ Ns th
+matched item,
+or
+.Ql \&&
(which is equivalent to
.Ql \e0 )
to refer to the full match.
-The match array must be
-at least 10 elements long,
+The
+.Fa matches
+array must be at least 10 elements long,
and should contain the result of the matches from a previous
.Fn agcre_regexec
call.
Only 10
-elements of the rm array can be used.
-The str argument contains the source string in which transformations will be substituted.
+elements of the
+.Fa matches
+array can be used.
+The
+.Fa str
+argument contains the source string in which transformations will be substituted.
.Pp
To show the value of constant-time execution, especially
for regular expressions which may be subject to abuse,
