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Document regerror_buffsize feature added to pcre2test.

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Philip.Hazel 2015-10-30 18:30:43 +00:00
parent 284d42fa7e
commit a15528e565
1 changed files with 9 additions and 0 deletions
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doc/pcre2test.1
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@ -787,6 +787,15 @@ modifiers set options for the \fBregcomp()\fP function:
ucp REG_UCP ) the POSIX standard ucp REG_UCP ) the POSIX standard
utf REG_UTF8 ) utf REG_UTF8 )
.sp .sp
The \fBregerror_buffsize\fP modifier specifies a size for the error buffer that
is passed to \fBregerror()\fP in the event of a compilation error. For example:
.sp
/abc/posix,regerror_buffsize=20
.sp
This provides a means of testing the behaviour of \fBregerror()\fP when the
buffer is too small for the error message. If this modifier has not been set, a
large buffer is used.
.P
The \fBaftertext\fP and \fBallaftertext\fP subject modifiers work as described The \fBaftertext\fP and \fBallaftertext\fP subject modifiers work as described
below. All other modifiers cause an error. below. All other modifiers cause an error.
. .