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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/lib/gnulib/mbswidth.h | |
parent | Initial commit. (diff) | |
download | grub2-upstream/2.06.tar.xz grub2-upstream/2.06.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | grub-core/lib/gnulib/mbswidth.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/grub-core/lib/gnulib/mbswidth.h b/grub-core/lib/gnulib/mbswidth.h new file mode 100644 index 0000000..45a123e --- /dev/null +++ b/grub-core/lib/gnulib/mbswidth.h @@ -0,0 +1,64 @@ +/* Determine the number of screen columns needed for a string. + Copyright (C) 2000-2004, 2007, 2009-2019 Free Software Foundation, Inc. + + 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 <https://www.gnu.org/licenses/>. */ + +#include <stddef.h> + +/* Avoid a clash of our mbswidth() with a function of the same name defined + in UnixWare 7.1.1 <wchar.h>. We need this #include before the #define + below. + However, we don't want to #include <wchar.h> on all platforms because + - Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before + <wchar.h>. + - BSD/OS 4.1 has a bug: <stdio.h> and <time.h> must be included before + <wchar.h>. */ +#if HAVE_DECL_MBSWIDTH_IN_WCHAR_H +# include <wchar.h> +#endif + + +#ifdef __cplusplus +extern "C" { +#endif + + +/* Optional flags to influence mbswidth/mbsnwidth behavior. */ + +/* If this bit is set, return -1 upon finding an invalid or incomplete + character. Otherwise, assume invalid characters have width 1. */ +#define MBSW_REJECT_INVALID 1 + +/* If this bit is set, return -1 upon finding a non-printable character. + Otherwise, assume unprintable characters have width 0 if they are + control characters and 1 otherwise. */ +#define MBSW_REJECT_UNPRINTABLE 2 + +/* If this bit is set \0 is treated as the end of string. + Otherwise it's treated as a normal one column width character. */ +#define MBSW_STOP_AT_NUL 4 + + +/* Returns the number of screen columns needed for STRING. */ +#define mbswidth gnu_mbswidth /* avoid clash with UnixWare 7.1.1 function */ +extern int mbswidth (const char *string, int flags); + +/* Returns the number of screen columns needed for the NBYTES bytes + starting at BUF. */ +extern int mbsnwidth (const char *buf, size_t nbytes, int flags); + + +#ifdef __cplusplus +} +#endif |