kthread: initial support for delayed kthread work

[mirror_ubuntu-zesty-kernel.git] / include / linux / ctype.h

diff --git a/include/linux/ctype.h b/include/linux/ctype.h
index 653589e3e30e8b03dd1844011bae7ca19e41136b..f13e4ff6835aed2e746792340590995a53f010b8 100644 (file)
--- a/include/linux/ctype.h
+++ b/include/linux/ctype.h
@@ -22,7 +22,10 @@ extern const unsigned char _ctype[];
 #define isalnum(c)     ((__ismask(c)&(_U|_L|_D)) != 0)
 #define isalpha(c)     ((__ismask(c)&(_U|_L)) != 0)
 #define iscntrl(c)     ((__ismask(c)&(_C)) != 0)
-#define isdigit(c)     ((__ismask(c)&(_D)) != 0)
+static inline int isdigit(int c)
+{
+       return '0' <= c && c <= '9';
+}
 #define isgraph(c)     ((__ismask(c)&(_P|_U|_L|_D)) != 0)
 #define islower(c)     ((__ismask(c)&(_L)) != 0)
 #define isprint(c)     ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)