From: Ben Gras <ben@minix3.org>
Date: Thu, 8 Apr 2010 15:00:25 +0000 (+0000)
Subject: isblank() implementation.
X-Git-Tag: v3.1.7~168
X-Git-Url: http://zhaoyanbai.com/repos/?a=commitdiff_plain;h=1c8c8aa4d8ded8e8215662a5b7c3245d863df366;p=minix.git

isblank() implementation.
---

diff --git a/include/ctype.h b/include/ctype.h
index f9d16e1fa..639388cc1 100644
--- a/include/ctype.h
+++ b/include/ctype.h
@@ -24,6 +24,7 @@ extern char	__ctype[];	/* property array defined in chartab.c */
 /* Function Prototypes (have to go before the macros). */
 _PROTOTYPE( int isalnum, (int  _c)  );	/* alphanumeric [a-z], [A-Z], [0-9] */
 _PROTOTYPE( int isalpha, (int  _c)  );	/* alphabetic */
+_PROTOTYPE( int isblank, (int  _c)  );	/* blank space */
 _PROTOTYPE( int iscntrl, (int  _c)  );	/* control characters */
 _PROTOTYPE( int isdigit, (int  _c)  );	/* digit [0-9] */
 _PROTOTYPE( int isgraph, (int  _c)  );	/* graphic character */
@@ -51,6 +52,7 @@ _PROTOTYPE( int toascii, (int  _c)  );	/* convert to 7-bit ASCII */
 #define isupper(c)	((unsigned) ((c)-'A') < 26)
 #define isprint(c)	((unsigned) ((c)-' ') < 95)
 #define isascii(c)	((unsigned) (c) < 128)
+#define isblank(c)	((c) == ' ' || (c) == '\t')
 
 #define toascii(c)	((c) & 0x7f)
 
diff --git a/lib/libc/ansi/Makefile.inc b/lib/libc/ansi/Makefile.inc
index a28aad93e..4e6e7aa16 100644
--- a/lib/libc/ansi/Makefile.inc
+++ b/lib/libc/ansi/Makefile.inc
@@ -22,6 +22,7 @@ SRCS+=  \
 	isalnum.c \
 	isalpha.c \
 	isascii.c \
+	isblank.c \
 	iscntrl.c \
 	isdigit.c \
 	isgraph.c \
diff --git a/lib/libc/ansi/isblank.c b/lib/libc/ansi/isblank.c
new file mode 100644
index 000000000..a3ce4649b
--- /dev/null
+++ b/lib/libc/ansi/isblank.c
@@ -0,0 +1,5 @@
+#include	<ctype.h>
+
+int (isblank)(int c) {
+	return isblank(c);
+}