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PCRE2_JIT_STACK_CREATE
Section: C Library Functions (3) Updated: 23 January 2023 Index
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NAME
PCRE2- Per-compatible regular expressions (revised API)
SYNOPSIS
#include <pcre2.h>
pcre2_jit_stack *pcre2_jit_stack_create(size_t startsize,
size_t maxsize, pcre2_general_context *gcontext);
DESCRIPTION
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 ru-time code by calling
pcre2_jit_stack_assign() to associate the stack with a compiled pattern,
which can then be processed by pcre2_match() or pcre2_jit_match().
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
pcre2jit
page.
There is a complete description of the PCRE2 native API in the
pcre2api
page and a description of the POSIX API in the
pcre2posix
page.
Index
- NAME
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- SYNOPSIS
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- DESCRIPTION
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