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| <head> |
| <title>pcre2_jit_stack_create specification</title> |
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| <h1>pcre2_jit_stack_create man page</h1> |
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| <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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