[Emacs-diffs] Changes to emacs/src/character.h,v

[Stefan Monnier]

CVSROOT:        /sources/emacs
Module name:    emacs
Changes by:     Stefan Monnier <monnier>        08/06/12 20:25:48

Index: character.h
===================================================================
RCS file: /sources/emacs/emacs/src/character.h,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -b -r1.7 -r1.8
--- character.h 5 Jun 2008 05:45:16 -0000       1.7
+++ character.h 12 Jun 2008 20:25:47 -0000      1.8
@@ -68,6 +68,13 @@
    ? (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)