From 26fbe7f1e68bb0c96da32491efcf3696fe6c299b Mon Sep 17 00:00:00 2001 From: Holger Weiss Date: Mon, 19 Aug 2013 23:27:12 +0200 Subject: Sync with the latest Gnulib code (6f2d632) --- gl/mbtowc-impl.h | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 gl/mbtowc-impl.h (limited to 'gl/mbtowc-impl.h') diff --git a/gl/mbtowc-impl.h b/gl/mbtowc-impl.h new file mode 100644 index 00000000..767ab397 --- /dev/null +++ b/gl/mbtowc-impl.h @@ -0,0 +1,44 @@ +/* Convert multibyte character to wide character. + Copyright (C) 2011-2013 Free Software Foundation, Inc. + Written by Bruno Haible , 2011. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* We don't need a static internal state, because the encoding is not state + dependent, and when mbrtowc returns (size_t)(-2). we throw the result + away. */ + +int +mbtowc (wchar_t *pwc, const char *s, size_t n) +{ + if (s == NULL) + return 0; + else + { + mbstate_t state; + wchar_t wc; + size_t result; + + memset (&state, 0, sizeof (mbstate_t)); + result = mbrtowc (&wc, s, n, &state); + if (result == (size_t)-1 || result == (size_t)-2) + { + errno = EILSEQ; + return -1; + } + if (pwc != NULL) + *pwc = wc; + return (wc == 0 ? 0 : result); + } +} -- cgit v1.2.3