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| author | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2018-06-28 16:26:03 +0000 |
|---|---|---|
| committer | ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069> | 2018-06-28 16:26:03 +0000 |
| commit | 739394485b92abcb5a5e2298c0b4591c9b367abf (patch) | |
| tree | ce3872817f16ca75929bccb7dc0cdc70ab794d4e /doc/pcre2jit.3 | |
| parent | 7ece579ef421b3ae1e6625ffd22a36a01584209a (diff) | |
| download | pcre2-739394485b92abcb5a5e2298c0b4591c9b367abf.tar.gz | |
Documentation update for NULL arguments.
git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@951 6239d852-aaf2-0410-a92c-79f79f948069
Diffstat (limited to 'doc/pcre2jit.3')
| -rw-r--r-- | doc/pcre2jit.3 | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/doc/pcre2jit.3 b/doc/pcre2jit.3 index 2205917..f612faa 100644 --- a/doc/pcre2jit.3 +++ b/doc/pcre2jit.3 @@ -1,4 +1,4 @@ -.TH PCRE2JIT 3 "31 March 2017" "PCRE2 10.30" +.TH PCRE2JIT 3 "28 June 2018" "PCRE2 10.32" .SH NAME PCRE2 - Perl-compatible regular expressions (revised API) .SH "PCRE2 JUST-IN-TIME COMPILER SUPPORT" @@ -177,9 +177,10 @@ are a starting size, a maximum size, and a general context (for memory allocation functions, or NULL for standard memory allocation). It returns a pointer to an opaque structure of type \fBpcre2_jit_stack\fP, or NULL if there is an error. The \fBpcre2_jit_stack_free()\fP function is used to free a stack -that is no longer needed. (For the technically minded: the address space is -allocated by mmap or VirtualAlloc.) A maximum stack size of 512KiB to 1MiB -should be more than enough for any pattern. +that is no longer needed. If its argument is NULL, this function returns +immediately, without doing anything. (For the technically minded: the address +space is allocated by mmap or VirtualAlloc.) A maximum stack size of 512KiB to +1MiB should be more than enough for any pattern. .P The \fBpcre2_jit_stack_assign()\fP function specifies which stack JIT code should use. Its arguments are as follows: @@ -190,7 +191,8 @@ should use. Its arguments are as follows: .sp The first argument is a pointer to a match context. When this is subsequently passed to a matching function, its information determines which JIT stack is -used. There are three cases for the values of the other two options: +used. If this argument is NULL, the function returns immediately, without doing +anything. There are three cases for the values of the other two options: .sp (1) If \fIcallback\fP is NULL and \fIdata\fP is NULL, an internal 32KiB block on the machine stack is used. This is the default when a match @@ -410,6 +412,6 @@ Cambridge, England. .rs .sp .nf -Last updated: 31 March 2017 -Copyright (c) 1997-2017 University of Cambridge. +Last updated: 28 June 2018 +Copyright (c) 1997-2018 University of Cambridge. .fi |