string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / include / linux / ctype.h

diff --git a/include/linux/ctype.h b/include/linux/ctype.h
index 6dec944..a3d6ee0 100644 (file)
--- a/include/linux/ctype.h
+++ b/include/linux/ctype.h
@@ -27,6 +27,7 @@ extern const unsigned char _ctype[];
 #define islower(c)     ((__ismask(c)&(_L)) != 0)
 #define isprint(c)     ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)
 #define ispunct(c)     ((__ismask(c)&(_P)) != 0)
+/* Note: isspace() must return false for %NUL-terminator */
 #define isspace(c)     ((__ismask(c)&(_S)) != 0)
 #define isupper(c)     ((__ismask(c)&(_U)) != 0)
 #define isxdigit(c)    ((__ismask(c)&(_D|_X)) != 0)