X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=include%2Flinux%2Fctype.h;h=42f9305a0280e9909d6edcd95f007ad3125fc2f0;hb=a83fccc2c979263ba88a6801130258124caca51a;hp=6dec944a370b23d983c285002c652741dd698b53;hpb=cdc51c294ad33879c4e57edf4c9d2155381b1d59;p=u-boot

diff --git a/include/linux/ctype.h b/include/linux/ctype.h
index 6dec944a37..42f9305a02 100644
--- a/include/linux/ctype.h
+++ b/include/linux/ctype.h
@@ -31,6 +31,12 @@ extern const unsigned char _ctype[];
 #define isupper(c)	((__ismask(c)&(_U)) != 0)
 #define isxdigit(c)	((__ismask(c)&(_D|_X)) != 0)
 
+/*
+ * Rather than doubling the size of the _ctype lookup table to hold a 'blank'
+ * flag, just check for space or tab.
+ */
+#define isblank(c)	(c == ' ' || c == '\t')
+
 #define isascii(c) (((unsigned char)(c))<=0x7f)
 #define toascii(c) (((unsigned char)(c))&0x7f)