diff options
Diffstat (limited to 'src/character.h')
| -rw-r--r-- | src/character.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/character.h b/src/character.h index ae87b3885d9..cf73083dd04 100644 --- a/src/character.h +++ b/src/character.h @@ -68,6 +68,13 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ ? (c) - 0x3FFF00 \ : multibyte_char_to_unibyte (c, Qnil)) +/* Return the raw 8-bit byte for character C, + or -1 if C doesn't correspond to a byte. */ +#define CHAR_TO_BYTE_SAFE(c) \ + (CHAR_BYTE8_P (c) \ + ? (c) - 0x3FFF00 \ + : multibyte_char_to_unibyte_safe (c, Qnil)) + /* Nonzero iff BYTE is the 1st byte of a multibyte form of a character that corresponds to a raw 8-bit byte. */ #define CHAR_BYTE8_HEAD_P(byte) ((byte) == 0xC0 || (byte) == 0xC1) |