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- <html>
- <head>
- <title>pcre2_jit_stack_create specification</title>
- </head>
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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 <pcre2.h></b>
- </P>
- <P>
- <b>pcre2_jit_stack *pcre2_jit_stack_create(size_t <i>startsize</i>,</b>
- <b> size_t <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. If the stack couldn't be allocated or the values passed were not
- reasonable, NULL will be returned. 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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