scc

commit d7511b681b42b4367cb5818a5d949010c5910980
parent 08c48f8d3da19e4f1a70e8da9bdef305002666de
Author: Quentin Rameau <quinq@fifth.space>
Date:   Fri, 28 Dec 2018 23:52:44 +0100

[libc] Add toascii

We already have isascii() and to* is reserved namespace so let's
add it.

Diffstat:
M
include/ctype.h
 | 
1
+
M
src/libc/ctype/Makefile
 | 
1
+
A
src/libc/ctype/toascii.c
 | 
8
++++++++

3 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/include/ctype.h b/include/ctype.h
@@ -41,5 +41,6 @@ extern const unsigned char __ctype[];
 #define isxdigit(c) ((__ctype+1)[c] & (_D|_X))
 
 #define isascii(c) ((unsigned)(c)<=0x7f)
+#define toascii(c) ((unsigned)(c)&0x7f)
 
 #endif
diff --git a/src/libc/ctype/Makefile b/src/libc/ctype/Makefile
@@ -17,6 +17,7 @@ OBJS = ctype.o\
        isspace.o\
        isupper.o\
        isxdigit.o\
+       toascii.o\
        tolower.o\
        toupper.o\
 
diff --git a/src/libc/ctype/toascii.c b/src/libc/ctype/toascii.c
@@ -0,0 +1,8 @@
+#include <ctype.h>
+#undef toascii
+
+int
+toascii(int c)
+{
+	return c & 0x7f;
+}