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80 lines
3.4 KiB
80 lines
3.4 KiB
4 months ago
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/* ================================================================ */
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/*
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File: ConvertUTF7.h
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Author: David B. Goldsmith
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Copyright (C) 1994 IBM Corporation All rights reserved.
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Revisions: Header update only July, 2001.
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This code is copyrighted. Under the copyright laws, this code may not
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be copied, in whole or part, without prior written consent of IBM Corporation.
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IBM Corporation grants the right to use this code as long as this ENTIRE
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copyright notice is reproduced in the code. The code is provided
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AS-IS, AND IBM CORPORATION DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR
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IMPLIED, INCLUDING, BUT NOT LIMITED TO IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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WILL IBM CORPORATION BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING,
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WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS
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INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY
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LOSS) ARISING OUT OF THE USE OR INABILITY TO USE THIS CODE, EVEN
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IF IBM CORPORATION HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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BECAUSE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF
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LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE
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LIMITATION MAY NOT APPLY TO YOU.
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RESTRICTED RIGHTS LEGEND: Use, duplication, or disclosure by the
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government is subject to restrictions as set forth in subparagraph
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(c)(l)(ii) of the Rights in Technical Data and Computer Software
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clause at DFARS 252.227-7013 and FAR 52.227-19.
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This code may be protected by one or more U.S. and International
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Patents.
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*/
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/* ================================================================ */
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/* ================================================================ */
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/* The following definitions are compiler-specific.
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I would use wchar_t for UCS2/UTF16, except that the C standard
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does not guarantee that it has at least 16 bits, so wchar_t is
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no more portable than unsigned short!
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*/
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typedef unsigned short UCS2;
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/* ================================================================ */
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/* Each of these routines converts the text between *sourceStart and
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sourceEnd, putting the result into the buffer between *targetStart and
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targetEnd. Note: the end pointers are *after* the last item: e.g.
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*(sourceEnd - 1) is the last item.
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The return result indicates whether the conversion was successful,
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and if not, whether the problem was in the source or target buffers.
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After the conversion, *sourceStart and *targetStart are both
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updated to point to the end of last text successfully converted in
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the respective buffers.
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In ConvertUCS2toUTF7, optional indicates whether UTF-7 optional
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characters should be directly encoded, and verbose controls whether the
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shift-out character, "-", is always emitted at the end of a shifted
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sequence.
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*/
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typedef enum {
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ok, /* conversion successful */
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sourceCorrupt, /* source contains invalid UTF-7 */
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targetExhausted /* insuff. room in target for conversion */
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} ConversionResult;
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extern ConversionResult ConvertUCS2toUTF7 (
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UCS2** sourceStart, UCS2* sourceEnd,
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char** targetStart, char* targetEnd,
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int optional, int verbose);
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extern ConversionResult ConvertUTF7toUCS2 (
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char** sourceStart, char* sourceEnd,
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UCS2** targetStart, UCS2* targetEnd);
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/* ================================================================ */
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