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41 lines
1.3 KiB
Plaintext
41 lines
1.3 KiB
Plaintext
.TH PCRE2_JIT_STACK_CREATE 3 "23 January 2023" "PCRE2 10.45"
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.SH NAME
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PCRE2 - Perl-compatible regular expressions (revised API)
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.SH SYNOPSIS
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.rs
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.sp
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.B #include <pcre2.h>
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.PP
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.nf
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.B pcre2_jit_stack *pcre2_jit_stack_create(size_t \fIstartsize\fP,
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.B " size_t \fImaxsize\fP, pcre2_general_context *\fIgcontext\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 is used to create a stack for use by the code compiled by the JIT
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compiler. The first two arguments are a starting size for the stack, and a
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maximum size to which it is allowed to grow. The final argument is a general
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context, for memory allocation functions, or NULL for standard memory
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allocation. The result can be passed to the JIT run-time code by calling
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\fBpcre2_jit_stack_assign()\fP to associate the stack with a compiled pattern,
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which can then be processed by \fBpcre2_match()\fP or \fBpcre2_jit_match()\fP.
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A maximum stack size of 512KiB to 1MiB should be more than enough for any
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pattern. If the stack couldn't be allocated or the values passed were not
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reasonable, NULL will be returned. For more details, see the
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.\" HREF
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\fBpcre2jit\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 PCRE2 native API in the
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.\" HREF
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\fBpcre2api\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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\fBpcre2posix\fP
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.\"
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page.
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