pcre2/doc/html/pcre2_jit_stack_create.html

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<title>pcre2_jit_stack_create specification</title>
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<h1>pcre2_jit_stack_create man page</h1>
<p>
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<br>
<br><b>
SYNOPSIS
</b><br>
<P>
<b>#include &#60;pcre2.h&#62;</b>
</P>
<P>
<b>pcre2_jit_stack *pcre2_jit_stack_create(PCRE2_SIZE <i>startsize</i>,</b>
<b> PCRE2_SIZE <i>maxsize</i>, pcre2_general_context *<i>gcontext</i>);</b>
</P>
<br><b>
DESCRIPTION
</b><br>
<P>
This function is used to create a stack for use by the code compiled by the JIT
compiler. The first two arguments are a starting size for the stack, and a
maximum size to which it is allowed to grow. The final argument is a general
context, for memory allocation functions, or NULL for standard memory
allocation. The result can be passed to the JIT run-time code by calling
<b>pcre2_jit_stack_assign()</b> to associate the stack with a compiled pattern,
which can then be processed by <b>pcre2_match()</b> or <b>pcre2_jit_match()</b>.
A maximum stack size of 512KiB to 1MiB should be more than enough for any
pattern. For more details, see the
<a href="pcre2jit.html"><b>pcre2jit</b></a>
page.
</P>
<P>
There is a complete description of the PCRE2 native API in the
<a href="pcre2api.html"><b>pcre2api</b></a>
page and a description of the POSIX API in the
<a href="pcre2posix.html"><b>pcre2posix</b></a>
page.
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