From f95a4a932476be2ba99e2fd081e8d2bc6ea12813 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Fri, 15 Dec 2017 09:38:53 -0500 Subject: Import newlib and create makefile --- newlib/libc/ctype/isprint.c | 60 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 newlib/libc/ctype/isprint.c (limited to 'newlib/libc/ctype/isprint.c') diff --git a/newlib/libc/ctype/isprint.c b/newlib/libc/ctype/isprint.c new file mode 100644 index 0000000..2ff00f4 --- /dev/null +++ b/newlib/libc/ctype/isprint.c @@ -0,0 +1,60 @@ + +/* +FUNCTION + <>, <>---printable character predicates + +INDEX + isprint +INDEX + isgraph + +ANSI_SYNOPSIS + #include + int isprint(int <[c]>); + int isgraph(int <[c]>); + +TRAD_SYNOPSIS + #include + int isprint(<[c]>); + int isgraph(<[c]>); + + +DESCRIPTION +<> is a macro which classifies ASCII integer values by table +lookup. It is a predicate returning non-zero for printable +characters, and 0 for other character arguments. +It is defined only when <>(<[c]>) is true or <[c]> is EOF. + +You can use a compiled subroutine instead of the macro definition by +undefining either macro using `<<#undef isprint>>' or `<<#undef isgraph>>'. + +RETURNS +<> returns non-zero if <[c]> is a printing character, +(<<0x20>>--<<0x7E>>). +<> behaves identically to <>, except that the space +character (<<0x20>>) is excluded. + +PORTABILITY +<> and <> are ANSI C. + +No supporting OS subroutines are required. +*/ + +#include <_ansi.h> +#include + +#undef isgraph +int +_DEFUN(isgraph,(c),int c) +{ + return((_ctype_ + 1)[c] & (_P|_U|_L|_N)); +} + + +#undef isprint +int +_DEFUN(isprint,(c),int c) +{ + return((_ctype_ + 1)[c] & (_P|_U|_L|_N|_B)); +} + -- cgit v1.2.3