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Diffstat (limited to 'plugins/Pcre16/src/pcre16_utf16_utils.c')
| -rw-r--r-- | plugins/Pcre16/src/pcre16_utf16_utils.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/plugins/Pcre16/src/pcre16_utf16_utils.c b/plugins/Pcre16/src/pcre16_utf16_utils.c deleted file mode 100644 index 49ced0c0b1..0000000000 --- a/plugins/Pcre16/src/pcre16_utf16_utils.c +++ /dev/null @@ -1,130 +0,0 @@ -/************************************************* -* Perl-Compatible Regular Expressions * -*************************************************/ - -/* PCRE is a library of functions to support regular expressions whose syntax -and semantics are as close as possible to those of the Perl 5 language. - - Written by Philip Hazel - Copyright (c) 1997-2012 University of Cambridge - ------------------------------------------------------------------------------ -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - * Neither the name of the University of Cambridge nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE -LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -POSSIBILITY OF SUCH DAMAGE. ------------------------------------------------------------------------------ -*/ - - -/* This module contains a function for converting any UTF-16 character -strings to host byte order. */ - - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -/* Generate code with 16 bit character support. */ -#define COMPILE_PCRE16 - -#include "pcre_internal.h" - -/************************************************* -* Convert any UTF-16 string to host byte order * -*************************************************/ - -/* This function takes an UTF-16 string and converts -it to host byte order. The length can be explicitly set, -or automatically detected for zero terminated strings. -BOMs can be kept or discarded during the conversion. -Conversion can be done in place (output == input). - -Arguments: - output the output buffer, its size must be greater - or equal than the input string - input any UTF-16 string - length the number of 16-bit units in the input string - can be less than zero for zero terminated strings - host_byte_order - A non-zero value means the input is in host byte - order, which can be dynamically changed by BOMs later. - Initially it contains the starting byte order and returns - with the last byte order so it can be used for stream - processing. It can be NULL, which set the host byte - order mode by default. - keep_boms for a non-zero value, the BOM (0xfeff) characters - are copied as well - -Returns: the number of 16-bit units placed into the output buffer, - including the zero-terminator -*/ - -int -pcre16_utf16_to_host_byte_order(PCRE_UCHAR16 *output, PCRE_SPTR16 input, - int length, int *host_byte_order, int keep_boms) -{ -#ifdef SUPPORT_UTF -/* This function converts any UTF-16 string to host byte order and optionally -removes any Byte Order Marks (BOMS). Returns with the remainig length. */ -int host_bo = host_byte_order != NULL ? *host_byte_order : 1; -pcre_uchar *optr = (pcre_uchar *)output; -const pcre_uchar *iptr = (const pcre_uchar *)input; -const pcre_uchar *end; -/* The c variable must be unsigned. */ -register pcre_uchar c; - -if (length < 0) - length = STRLEN_UC(iptr) + 1; -end = iptr + length; - -while (iptr < end) - { - c = *iptr++; - if (c == 0xfeff || c == 0xfffe) - { - /* Detecting the byte order of the machine is unnecessary, it is - enough to know that the UTF-16 string has the same byte order or not. */ - host_bo = c == 0xfeff; - if (keep_boms != 0) - *optr++ = 0xfeff; - else - length--; - } - else - *optr++ = host_bo ? c : ((c >> 8) | (c << 8)); /* Flip bytes if needed. */ - } -if (host_byte_order != NULL) - *host_byte_order = host_bo; - -#else /* Not SUPPORT_UTF */ -(void)(output); /* Keep picky compilers happy */ -(void)(input); -(void)(keep_boms); -(void)(host_byte_order); -#endif /* SUPPORT_UTF */ -return length; -} - -/* End of pcre16_utf16_utils.c */ |