summaryrefslogtreecommitdiffstats
path: root/newlib/libc/stdlib/wctomb_r.c
diff options
context:
space:
mode:
Diffstat (limited to 'newlib/libc/stdlib/wctomb_r.c')
-rw-r--r--newlib/libc/stdlib/wctomb_r.c364
1 files changed, 0 insertions, 364 deletions
diff --git a/newlib/libc/stdlib/wctomb_r.c b/newlib/libc/stdlib/wctomb_r.c
deleted file mode 100644
index 95a04069c..000000000
--- a/newlib/libc/stdlib/wctomb_r.c
+++ /dev/null
@@ -1,364 +0,0 @@
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <wchar.h>
-#include <locale.h>
-#include "mbctype.h"
-#include "local.h"
-
-int (*__wctomb) (struct _reent *, char *, wchar_t, const char *charset,
- mbstate_t *)
- = __ascii_wctomb;
-
-int
-_DEFUN (_wctomb_r, (r, s, wchar, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- mbstate_t *state)
-{
- return __wctomb (r, s, _wchar, __locale_charset (), state);
-}
-
-int
-_DEFUN (__ascii_wctomb, (r, s, wchar, charset, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- const char *charset _AND
- mbstate_t *state)
-{
- /* Avoids compiler warnings about comparisons that are always false
- due to limited range when sizeof(wchar_t) is 2 but sizeof(wint_t)
- is 4, as is the case on cygwin. */
- wint_t wchar = _wchar;
-
- if (s == NULL)
- return 0;
-
- if ((size_t)wchar >= 0x100)
- {
- r->_errno = EILSEQ;
- return -1;
- }
-
- *s = (char) wchar;
- return 1;
-}
-
-#ifdef _MB_CAPABLE
-/* for some conversions, we use the __count field as a place to store a state value */
-#define __state __count
-
-int
-_DEFUN (__utf8_wctomb, (r, s, wchar, charset, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- const char *charset _AND
- mbstate_t *state)
-{
- wint_t wchar = _wchar;
-
- if (s == NULL)
- return 0; /* UTF-8 encoding is not state-dependent */
-
- if (state->__count == -4 && (wchar < 0xdc00 || wchar >= 0xdfff))
- {
- /* At this point only the second half of a surrogate pair is valid. */
- r->_errno = EILSEQ;
- return -1;
- }
- if (wchar <= 0x7f)
- {
- *s = wchar;
- return 1;
- }
- if (wchar >= 0x80 && wchar <= 0x7ff)
- {
- *s++ = 0xc0 | ((wchar & 0x7c0) >> 6);
- *s = 0x80 | (wchar & 0x3f);
- return 2;
- }
- if (wchar >= 0x800 && wchar <= 0xffff)
- {
- if (wchar >= 0xd800 && wchar <= 0xdfff)
- {
- wint_t tmp;
- /* UTF-16 surrogates -- must not occur in normal UCS-4 data */
- if (sizeof (wchar_t) != 2)
- {
- r->_errno = EILSEQ;
- return -1;
- }
- if (wchar >= 0xdc00)
- {
- /* Second half of a surrogate pair. It's not valid if
- we don't have already read a first half of a surrogate
- before. */
- if (state->__count != -4)
- {
- r->_errno = EILSEQ;
- return -1;
- }
- /* If it's valid, reconstruct the full Unicode value and
- return the trailing three bytes of the UTF-8 char. */
- tmp = (state->__value.__wchb[0] << 16)
- | (state->__value.__wchb[1] << 8)
- | (wchar & 0x3ff);
- state->__count = 0;
- *s++ = 0x80 | ((tmp & 0x3f000) >> 12);
- *s++ = 0x80 | ((tmp & 0xfc0) >> 6);
- *s = 0x80 | (tmp & 0x3f);
- return 3;
- }
- /* First half of a surrogate pair. Store the state and return
- the first byte of the UTF-8 char. */
- tmp = ((wchar & 0x3ff) << 10) + 0x10000;
- state->__value.__wchb[0] = (tmp >> 16) & 0xff;
- state->__value.__wchb[1] = (tmp >> 8) & 0xff;
- state->__count = -4;
- *s = (0xf0 | ((tmp & 0x1c0000) >> 18));
- return 1;
- }
- *s++ = 0xe0 | ((wchar & 0xf000) >> 12);
- *s++ = 0x80 | ((wchar & 0xfc0) >> 6);
- *s = 0x80 | (wchar & 0x3f);
- return 3;
- }
- if (wchar >= 0x10000 && wchar <= 0x10ffff)
- {
- *s++ = 0xf0 | ((wchar & 0x1c0000) >> 18);
- *s++ = 0x80 | ((wchar & 0x3f000) >> 12);
- *s++ = 0x80 | ((wchar & 0xfc0) >> 6);
- *s = 0x80 | (wchar & 0x3f);
- return 4;
- }
-
- r->_errno = EILSEQ;
- return -1;
-}
-
-/* Cygwin defines its own doublebyte charset conversion functions
- because the underlying OS requires wchar_t == UTF-16. */
-#ifndef __CYGWIN__
-int
-_DEFUN (__sjis_wctomb, (r, s, wchar, charset, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- const char *charset _AND
- mbstate_t *state)
-{
- wint_t wchar = _wchar;
-
- unsigned char char2 = (unsigned char)wchar;
- unsigned char char1 = (unsigned char)(wchar >> 8);
-
- if (s == NULL)
- return 0; /* not state-dependent */
-
- if (char1 != 0x00)
- {
- /* first byte is non-zero..validate multi-byte char */
- if (_issjis1(char1) && _issjis2(char2))
- {
- *s++ = (char)char1;
- *s = (char)char2;
- return 2;
- }
- else
- {
- r->_errno = EILSEQ;
- return -1;
- }
- }
- *s = (char) wchar;
- return 1;
-}
-
-int
-_DEFUN (__eucjp_wctomb, (r, s, wchar, charset, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- const char *charset _AND
- mbstate_t *state)
-{
- wint_t wchar = _wchar;
- unsigned char char2 = (unsigned char)wchar;
- unsigned char char1 = (unsigned char)(wchar >> 8);
-
- if (s == NULL)
- return 0; /* not state-dependent */
-
- if (char1 != 0x00)
- {
- /* first byte is non-zero..validate multi-byte char */
- if (_iseucjp1 (char1) && _iseucjp2 (char2))
- {
- *s++ = (char)char1;
- *s = (char)char2;
- return 2;
- }
- else if (_iseucjp2 (char1) && _iseucjp2 (char2 | 0x80))
- {
- *s++ = (char)0x8f;
- *s++ = (char)char1;
- *s = (char)(char2 | 0x80);
- return 3;
- }
- else
- {
- r->_errno = EILSEQ;
- return -1;
- }
- }
- *s = (char) wchar;
- return 1;
-}
-
-int
-_DEFUN (__jis_wctomb, (r, s, wchar, charset, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- const char *charset _AND
- mbstate_t *state)
-{
- wint_t wchar = _wchar;
- int cnt = 0;
- unsigned char char2 = (unsigned char)wchar;
- unsigned char char1 = (unsigned char)(wchar >> 8);
-
- if (s == NULL)
- return 1; /* state-dependent */
-
- if (char1 != 0x00)
- {
- /* first byte is non-zero..validate multi-byte char */
- if (_isjis (char1) && _isjis (char2))
- {
- if (state->__state == 0)
- {
- /* must switch from ASCII to JIS state */
- state->__state = 1;
- *s++ = ESC_CHAR;
- *s++ = '$';
- *s++ = 'B';
- cnt = 3;
- }
- *s++ = (char)char1;
- *s = (char)char2;
- return cnt + 2;
- }
- r->_errno = EILSEQ;
- return -1;
- }
- if (state->__state != 0)
- {
- /* must switch from JIS to ASCII state */
- state->__state = 0;
- *s++ = ESC_CHAR;
- *s++ = '(';
- *s++ = 'B';
- cnt = 3;
- }
- *s = (char)char2;
- return cnt + 1;
-}
-#endif /* !__CYGWIN__ */
-
-#ifdef _MB_EXTENDED_CHARSETS_ISO
-int
-_DEFUN (__iso_wctomb, (r, s, wchar, charset, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- const char *charset _AND
- mbstate_t *state)
-{
- wint_t wchar = _wchar;
-
- if (s == NULL)
- return 0;
-
- /* wchars <= 0x9f translate to all ISO charsets directly. */
- if (wchar >= 0xa0)
- {
- int iso_idx = __iso_8859_index (charset + 9);
- if (iso_idx >= 0)
- {
- unsigned char mb;
-
- if (s == NULL)
- return 0;
-
- for (mb = 0; mb < 0x60; ++mb)
- if (__iso_8859_conv[iso_idx][mb] == wchar)
- {
- *s = (char) (mb + 0xa0);
- return 1;
- }
- r->_errno = EILSEQ;
- return -1;
- }
- }
-
- if ((size_t)wchar >= 0x100)
- {
- r->_errno = EILSEQ;
- return -1;
- }
-
- *s = (char) wchar;
- return 1;
-}
-#endif /* _MB_EXTENDED_CHARSETS_ISO */
-
-#ifdef _MB_EXTENDED_CHARSETS_WINDOWS
-int
-_DEFUN (__cp_wctomb, (r, s, wchar, charset, state),
- struct _reent *r _AND
- char *s _AND
- wchar_t _wchar _AND
- const char *charset _AND
- mbstate_t *state)
-{
- wint_t wchar = _wchar;
-
- if (s == NULL)
- return 0;
-
- if (wchar >= 0x80)
- {
- int cp_idx = __cp_index (charset + 2);
- if (cp_idx >= 0)
- {
- unsigned char mb;
-
- if (s == NULL)
- return 0;
-
- for (mb = 0; mb < 0x80; ++mb)
- if (__cp_conv[cp_idx][mb] == wchar)
- {
- *s = (char) (mb + 0x80);
- return 1;
- }
- r->_errno = EILSEQ;
- return -1;
- }
- }
-
- if ((size_t)wchar >= 0x100)
- {
- r->_errno = EILSEQ;
- return -1;
- }
-
- *s = (char) wchar;
- return 1;
-}
-#endif /* _MB_EXTENDED_CHARSETS_WINDOWS */
-#endif /* _MB_CAPABLE */
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-02 00:18:55 +0000