diff options
Diffstat (limited to 'src/ctype/iswprint.c')
-rw-r--r-- | src/ctype/iswprint.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/ctype/iswprint.c b/src/ctype/iswprint.c new file mode 100644 index 00000000..7717671a --- /dev/null +++ b/src/ctype/iswprint.c @@ -0,0 +1,10 @@ +#include <wctype.h> + +int iswprint(wint_t wc) +{ + unsigned c = wc; + /* assume any non-control, non-illegal codepoint is printable */ + if (c>0x10ffff || c-0xd800<0x800 || (c&0xfffe)==0xfffe || iswcntrl(c)) + return 0; + return 1; +} |