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d4de0e6f1e
I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
60 lines
1.9 KiB
Groff
60 lines
1.9 KiB
Groff
.TH PCRE_ASSIGN_JIT_STACK 3 "24 June 2012" "PCRE 8.30"
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.SH NAME
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PCRE - Perl-compatible regular expressions
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.SH SYNOPSIS
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.rs
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.sp
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.B #include <pcre.h>
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.PP
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.nf
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.B void pcre_assign_jit_stack(pcre_extra *\fIextra\fP,
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.B " pcre_jit_callback \fIcallback\fP, void *\fIdata\fP);"
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.sp
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.B void pcre16_assign_jit_stack(pcre16_extra *\fIextra\fP,
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.B " pcre16_jit_callback \fIcallback\fP, void *\fIdata\fP);"
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.sp
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.B void pcre32_assign_jit_stack(pcre32_extra *\fIextra\fP,
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.B " pcre32_jit_callback \fIcallback\fP, void *\fIdata\fP);"
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.fi
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.
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.SH DESCRIPTION
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.rs
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.sp
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This function provides control over the memory used as a stack at run-time by a
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call to \fBpcre[16|32]_exec()\fP with a pattern that has been successfully
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compiled with JIT optimization. The arguments are:
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.sp
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extra the data pointer returned by \fBpcre[16|32]_study()\fP
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callback a callback function
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data a JIT stack or a value to be passed to the callback
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function
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.P
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If \fIcallback\fP is NULL and \fIdata\fP is NULL, an internal 32K block on
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the machine stack is used.
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.P
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If \fIcallback\fP is NULL and \fIdata\fP is not NULL, \fIdata\fP must
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be a valid JIT stack, the result of calling \fBpcre[16|32]_jit_stack_alloc()\fP.
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.P
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If \fIcallback\fP not NULL, it is called with \fIdata\fP as an argument at
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the start of matching, in order to set up a JIT stack. If the result is NULL,
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the internal 32K stack is used; otherwise the return value must be a valid JIT
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stack, the result of calling \fBpcre[16|32]_jit_stack_alloc()\fP.
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.P
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You may safely assign the same JIT stack to multiple patterns, as long as they
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are all matched in the same thread. In a multithread application, each thread
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must use its own JIT stack. For more details, see the
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.\" HREF
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\fBpcrejit\fP
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.\"
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page.
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.P
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There is a complete description of the PCRE native API in the
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.\" HREF
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\fBpcreapi\fP
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.\"
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page and a description of the POSIX API in the
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.\" HREF
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\fBpcreposix\fP
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.\"
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page.
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