Mercurial > hg > octave-kai > gnulib-hg
changeset 2778:ae01c32493fb
(mbswidth): Add a flags argument.
(mbswidth): New declaration.
(MBSW_ACCEPT_INVALID, MBSW_ACCEPT_UNPRINTABLE): New macros.
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Sat, 29 Jul 2000 06:02:28 +0000 |
| parents | 1dbed465e43b |
| children | e87315a6437e |
| files | lib/mbswidth.h |
| diffstat | 1 files changed, 16 insertions(+), 1 deletions(-) [+] |
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--- a/lib/mbswidth.h +++ b/lib/mbswidth.h @@ -23,4 +23,19 @@ # endif #endif -extern int mbswidth PARAMS ((const char *string)); +/* Optional flags to influence mbswidth/mbsnwidth behavior. */ + +/* Assume invalid characters have width 0. If this is not set, the + functions return -1 if an invalid or incomplete character occurs. */ +#define MBSW_ACCEPT_INVALID 1 + +/* Assume unprintable characters have width 1. If this is not set, the + functions return -1 if a non-printable character occurs. */ +#define MBSW_ACCEPT_UNPRINTABLE 2 + +/* Returns the number of screen columns needed for STRING. */ +extern int mbswidth PARAMS ((const char *string, int flags)); + +/* Returns the number of screen columns needed for the NBYTES bytes + starting at BUF. */ +extern int mbsnwidth PARAMS ((const char *buf, size_t nbytes, int flags));