source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/ctype/iswprint.c@ 352

#include <wctype.h>
#include "libc.h"

/* Consider all legal codepoints as printable except for:
 * - C0 and C1 control characters
 * - U+2028 and U+2029 (line/para break)
 * - U+FFF9 through U+FFFB (interlinear annotation controls)
 * The following code is optimized heavily to make hot paths for the
 * expected printable characters. */

int iswprint(wint_t wc)
{
        if (wc < 0xffU)
                return (wc+1 & 0x7f) >= 0x21;
        if (wc < 0x2028U || wc-0x202aU < 0xd800-0x202a || wc-0xe000U < 0xfff9-0xe000)
                return 1;
        if (wc-0xfffcU > 0x10ffff-0xfffc || (wc&0xfffe)==0xfffe)
                return 0;
        return 1;
}

int __iswprint_l(wint_t c, locale_t l)
{
        return iswprint(c);
}

weak_alias(__iswprint_l, iswprint_l);