diff options
Diffstat (limited to 'src/nvim/ascii.h')
| -rw-r--r-- | src/nvim/ascii.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/nvim/ascii.h b/src/nvim/ascii.h index 8e51d50426..014cd00706 100644 --- a/src/nvim/ascii.h +++ b/src/nvim/ascii.h @@ -92,6 +92,7 @@ static inline bool ascii_iswhite(int c) FUNC_ATTR_ALWAYS_INLINE FUNC_ATTR_CONST; static inline bool ascii_isdigit(int c) FUNC_ATTR_ALWAYS_INLINE FUNC_ATTR_CONST; +static inline bool ascii_isxdigit(int c) FUNC_ATTR_ALWAYS_INLINE FUNC_ATTR_CONST; /// ascii_iswhite() is used for "^" and the like. It differs from isspace() /// because it doesn't include <CR> and <LF> and the like. @@ -108,5 +109,18 @@ static inline bool ascii_isdigit(int c) return c >= '0' && c <= '9'; } +/// Variant of isxdigit() that can handle characters > 0x100. +/// We don't use isxdigit() here, because on some systems it also considers +/// superscript 1 to be a digit. +/// +/// @param c +/// @return TRUE if the character is a hexadecimal digit. +static inline bool ascii_isxdigit(int c) +{ + return (c >= '0' && c <= '9') + || (c >= 'a' && c <= 'f') + || (c >= 'A' && c <= 'F'); +} + #endif /* NVIM_ASCII_H */ |