diff options
Diffstat (limited to 'src/nvim/grid.h')
| -rw-r--r-- | src/nvim/grid.h | 37 |
1 files changed, 16 insertions, 21 deletions
diff --git a/src/nvim/grid.h b/src/nvim/grid.h index 0db97345d1..9cdc6c6677 100644 --- a/src/nvim/grid.h +++ b/src/nvim/grid.h @@ -33,30 +33,25 @@ EXTERN colnr_T *linebuf_vcol INIT(= NULL); // screen grid. /// Put a ASCII character in a screen cell. -static inline void schar_from_ascii(char *p, const char c) -{ - p[0] = c; - p[1] = 0; -} +/// +/// If `x` is a compile time constant, schar_from_ascii(x) will also be. +/// But the specific value varies per plattform. +#ifdef ORDER_BIG_ENDIAN +# define schar_from_ascii(x) ((schar_T)((x) << 24)) +#else +# define schar_from_ascii(x) ((schar_T)(x)) +#endif /// Put a unicode character in a screen cell. -static inline int schar_from_char(char *p, int c) -{ - int len = utf_char2bytes(c, p); - p[len] = NUL; - return len; -} - -/// compare the contents of two screen cells. -static inline int schar_cmp(char *sc1, char *sc2) -{ - return strncmp(sc1, sc2, sizeof(schar_T)); -} - -/// copy the contents of screen cell `sc2` into cell `sc1` -static inline void schar_copy(char *sc1, char *sc2) +static inline schar_T schar_from_char(int c) { - xstrlcpy(sc1, sc2, sizeof(schar_T)); + schar_T sc = 0; + if (c >= 0x200000) { + // TODO(bfredl): this must NEVER happen, even if the file contained overlong sequences + c = 0xFFFD; + } + utf_char2bytes(c, (char *)&sc); + return sc; } #ifdef INCLUDE_GENERATED_DECLARATIONS |