pmt: revert 7f8090b
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@@ -1,90 +0,0 @@
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/* Convert wide string to string.
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Copyright (C) 2008, 2010-2024 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>, 2008.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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size_t
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FUNC (char *dest, const SCHAR_T **srcp, size_t len, mbstate_t *ps)
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{
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if (ps == NULL)
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ps = &INTERNAL_STATE;
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{
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const SCHAR_T *src = *srcp;
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size_t cur_max = MB_CUR_MAX;
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char buf[64];
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if (!(cur_max <= sizeof (buf)))
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abort ();
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if (dest != NULL)
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{
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char *destptr = dest;
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for (; len > 0; src++)
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{
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SCHAR_T wc = *src;
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size_t ret = WCRTOMB (len >= cur_max ? destptr : buf, wc, ps);
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if (ret == (size_t)(-1))
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goto bad_input;
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if (!(ret <= cur_max))
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abort ();
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if (len < ret)
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break;
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if (len < cur_max)
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memcpy (destptr, buf, ret);
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if (wc == 0)
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{
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src = NULL;
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/* Here mbsinit (ps). */
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break;
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}
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destptr += ret;
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len -= ret;
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}
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*srcp = src;
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return destptr - dest;
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}
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else
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{
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/* Ignore dest and len, don't store *srcp at the end, and
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don't clobber *ps. */
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mbstate_t state = *ps;
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size_t totalcount = 0;
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for (;; src++)
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{
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SCHAR_T wc = *src;
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size_t ret = WCRTOMB (buf, wc, &state);
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if (ret == (size_t)(-1))
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goto bad_input2;
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if (wc == 0)
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{
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/* Here mbsinit (&state). */
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break;
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}
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totalcount += ret;
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}
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return totalcount;
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}
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bad_input:
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*srcp = src;
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bad_input2:
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errno = EILSEQ;
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return (size_t)(-1);
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}
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}
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