new upstream release (3.3.0); modify package compatibility for Stretch

[ossec-hids.git] / src / external / pcre2-10.32 / doc / pcre2_code_copy.3

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+.TH PCRE2_CODE_COPY 3 "22 November 2016" "PCRE2 10.23"
+.SH NAME
+PCRE2 - Perl-compatible regular expressions (revised API)
+.SH SYNOPSIS
+.rs
+.sp
+.B #include <pcre2.h>
+.PP
+.nf
+.B pcre2_code *pcre2_code_copy(const pcre2_code *\fIcode\fP);
+.fi
+.
+.SH DESCRIPTION
+.rs
+.sp
+This function makes a copy of the memory used for a compiled pattern, excluding
+any memory used by the JIT compiler. Without a subsequent call to
+\fBpcre2_jit_compile()\fP, the copy can be used only for non-JIT matching. The
+pointer to the character tables is copied, not the tables themselves (see
+\fBpcre2_code_copy_with_tables()\fP). The yield of the function is NULL if
+\fIcode\fP is NULL or if sufficient memory cannot be obtained.
+.P
+There is a complete description of the PCRE2 native API in the
+.\" HREF
+\fBpcre2api\fP
+.\"
+page and a description of the POSIX API in the
+.\" HREF
+\fBpcre2posix\fP
+.\"
+page.