xref: /src/lib/libc/gen/toupper_.c

/*	$NetBSD: toupper_.c,v 1.17 2025/03/30 00:07:51 riastradh Exp $	*/

/*
 * Written by J.T. Conklin <jtc@NetBSD.org>.
 * Public domain.
 */

#include <sys/cdefs.h>
#if defined(LIBC_RCS) && !defined(lint)
__RCSID("$NetBSD: toupper_.c,v 1.17 2025/03/30 00:07:51 riastradh Exp $");
#endif /* LIBC_RCS and not lint */

#include <sys/ctype_bits.h>
#include <sys/mman.h>

#include <stdio.h>

#include "ctype_guard.h"
#include "ctype_local.h"

#if EOF != -1
#error "EOF != -1"
#endif

__ctype_table
static const short _C_toupper_tab_guarded_[_C_TOUPPER_TAB_GUARD +
    1 + _CTYPE_NUM_CHARS] = {
	[_C_TOUPPER_TAB_GUARD] = EOF,
	0x00,	0x01,	0x02,	0x03,	0x04,	0x05,	0x06,	0x07,
	0x08,	0x09,	0x0a,	0x0b,	0x0c,	0x0d,	0x0e,	0x0f,
	0x10,	0x11,	0x12,	0x13,	0x14,	0x15,	0x16,	0x17,
	0x18,	0x19,	0x1a,	0x1b,	0x1c,	0x1d,	0x1e,	0x1f,
	0x20,	0x21,	0x22,	0x23,	0x24,	0x25,	0x26,	0x27,
	0x28,	0x29,	0x2a,	0x2b,	0x2c,	0x2d,	0x2e,	0x2f,
	0x30,	0x31,	0x32,	0x33,	0x34,	0x35,	0x36,	0x37,
	0x38,	0x39,	0x3a,	0x3b,	0x3c,	0x3d,	0x3e,	0x3f,
	0x40,	0x41,	0x42,	0x43,	0x44,	0x45,	0x46,	0x47,
	0x48,	0x49,	0x4a,	0x4b,	0x4c,	0x4d,	0x4e,	0x4f,
	0x50,	0x51,	0x52,	0x53,	0x54,	0x55,	0x56,	0x57,
	0x58,	0x59,	0x5a,	0x5b,	0x5c,	0x5d,	0x5e,	0x5f,
	0x60,	'A',	'B',	'C',	'D',	'E',	'F',	'G',
	'H',	'I',	'J',	'K',	'L',	'M',	'N',	'O',
	'P',	'Q',	'R',	'S',	'T',	'U',	'V',	'W',
	'X',	'Y',	'Z',	0x7b,	0x7c,	0x7d,	0x7e,	0x7f,
	0x80,	0x81,	0x82,	0x83,	0x84,	0x85,	0x86,	0x87,
	0x88,	0x89,	0x8a,	0x8b,	0x8c,	0x8d,	0x8e,	0x8f,
	0x90,	0x91,	0x92,	0x93,	0x94,	0x95,	0x96,	0x97,
	0x98,	0x99,	0x9a,	0x9b,	0x9c,	0x9d,	0x9e,	0x9f,
	0xa0,	0xa1,	0xa2,	0xa3,	0xa4,	0xa5,	0xa6,	0xa7,
	0xa8,	0xa9,	0xaa,	0xab,	0xac,	0xad,	0xae,	0xaf,
	0xb0,	0xb1,	0xb2,	0xb3,	0xb4,	0xb5,	0xb6,	0xb7,
	0xb8,	0xb9,	0xba,	0xbb,	0xbc,	0xbd,	0xbe,	0xbf,
	0xc0,	0xc1,	0xc2,	0xc3,	0xc4,	0xc5,	0xc6,	0xc7,
	0xc8,	0xc9,	0xca,	0xcb,	0xcc,	0xcd,	0xce,	0xcf,
	0xd0,	0xd1,	0xd2,	0xd3,	0xd4,	0xd5,	0xd6,	0xd7,
	0xd8,	0xd9,	0xda,	0xdb,	0xdc,	0xdd,	0xde,	0xdf,
	0xe0,	0xe1,	0xe2,	0xe3,	0xe4,	0xe5,	0xe6,	0xe7,
	0xe8,	0xe9,	0xea,	0xeb,	0xec,	0xed,	0xee,	0xef,
	0xf0,	0xf1,	0xf2,	0xf3,	0xf4,	0xf5,	0xf6,	0xf7,
	0xf8,	0xf9,	0xfa,	0xfb,	0xfc,	0xfd,	0xfe,	0xff
};
__ctype_table_guarded(_C_toupper_tab_, _C_toupper_tab_guarded_,
    1 + _CTYPE_NUM_CHARS, __SIZEOF_SHORT__);

#ifdef __BUILD_LEGACY
#ifdef __weak_alias
__weak_alias(_C_toupper_, _C_toupper_tab_)
#endif
#endif

const short *_toupper_tab_ = &_C_toupper_tab_[0];

#if _CTYPE_GUARD_PAGE
__attribute__((constructor))
static void
_C_toupper_tab_guard_init(void)
{

	(void)mprotect(__UNCONST(_C_toupper_tab_guarded_), _CTYPE_GUARD_SIZE,
	    PROT_NONE);
}
#endif	/* _CTYPE_GUARD_PAGE */