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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:19:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:19:27 +0000 |
commit | e0023883c6d2e6745a19e4b48e186ed156c1fca8 (patch) | |
tree | 1a48b8056ec984385d0d862b683535d04d6ed215 /gl/lib/mbtowc-impl.h | |
parent | Initial commit. (diff) | |
download | man-db-e0023883c6d2e6745a19e4b48e186ed156c1fca8.tar.xz man-db-e0023883c6d2e6745a19e4b48e186ed156c1fca8.zip |
Adding upstream version 2.11.2.upstream/2.11.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | gl/lib/mbtowc-impl.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/gl/lib/mbtowc-impl.h b/gl/lib/mbtowc-impl.h new file mode 100644 index 0000000..2b27baf --- /dev/null +++ b/gl/lib/mbtowc-impl.h @@ -0,0 +1,44 @@ +/* Convert multibyte character to wide character. + Copyright (C) 2011-2022 Free Software Foundation, Inc. + Written by Bruno Haible <bruno@clisp.org>, 2011. + + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. + + This file 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ + +/* 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); + } +} |