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authorUlrich Drepper <drepper@redhat.com>1999-06-16 22:55:47 +0000
committerUlrich Drepper <drepper@redhat.com>1999-06-16 22:55:47 +0000
commitd64b6ad07585b8a37e5fecc9a47fcee766d52ede (patch)
tree076b36cc9c1b82254348212e75939d842885563a /libio/iofwide.c
parentbc938d3de936a8e429b16237180c046139be8247 (diff)
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Update.
* Versions.def: Add GLIBC_2.2 for libc. * iconv/gconv.h: Make header suitable for inclusion in public header by protecting all names with __. * iconv/gconv.c: Adapt for symbol name changes. * iconv/gconv.h: Likewise. * iconv/gconv_builtin.c: Likewise. * iconv/gconv_close.c: Likewise. * iconv/gconv_db.c: Likewise. * iconv/gconv_dl.c: Likewise. * iconv/gconv_int.h: Likewise. * iconv/gconv_open.c: Likewise. * iconv/gconv_simple.c: Likewise. * iconv/iconv.c: Likewise. * iconv/iconv_close.c: Likewise. * iconv/iconv_open.c: Likewise. * iconv/loop.c: Likewise. * iconv/skeleton.c: Likewise. * iconvdata/8bit-gap.c: Likewise. * iconvdata/8bit-generic.c: Likewise. * iconvdata/ansi_x3.110.c: Likewise. * iconvdata/big5.c: Likewise. * iconvdata/cns11643.h: Likewise. * iconvdata/cns11643l1.h: Likewise. * iconvdata/euc-cn.c: Likewise. * iconvdata/euc-jp.c: Likewise. * iconvdata/euc-kr.c: Likewise. * iconvdata/euc-tw.c: Likewise. * iconvdata/gb2312.h: Likewise. * iconvdata/iso-2022-jp.c: Likewise. * iconvdata/iso-2022-kr.c: Likewise. * iconvdata/iso646.c: Likewise. * iconvdata/iso8859-1.c: Likewise. * iconvdata/iso_6937-2.c: Likewise. * iconvdata/iso_6937.c: Likewise. * iconvdata/jis0201.h: Likewise. * iconvdata/jis0208.h: Likewise. * iconvdata/jis0212.h: Likewise. * iconvdata/johab.c: Likewise. * iconvdata/ksc5601.h: Likewise. * iconvdata/sjis.c: Likewise. * iconvdata/t.61.c: Likewise. * iconvdata/uhc.c: Likewise. * stdlib/mblen.c: Likewise. * stdlib/mbtowc.c: Likewise. * stdlib/wctomb.c: Likewise. * wcsmbs/btowc.c: Likewise. * wcsmbs/mbrtowc.c: Likewise. * wcsmbs/mbsnrtowcs.c: Likewise. * wcsmbs/mbsrtowcs.c: Likewise. * wcsmbs/wchar.h: Likewise. * wcsmbs/wcrtomb.c: Likewise. * wcsmbs/wcsmbsload.c: Likewise. * wcsmbs/wcsmbsload.h: Likewise. * wcsmbs/wcsnrtombs.c: Likewise. * wcsmbs/wcsrtombs.c: Likewise. * wcsmbs/wctob.c: Likewise. * include/limits.h (MB_LEN_MAX): Increase to 16. * sysdeps/generic/_G_config.h: Define _G_fpos_t as struct. Define _G_iconv_t. * sysdeps/unix/sysv/linux/_G_config.h: Likewise. * include/wchar.h: Change mbstate_t to __mbstate_t. * libio/Makefile (routines): Add wfiledoalloc, oldiofgetpos, oldiofgetpos64, oldiofsetpos, oldiofsetpos64, fputwc, fputwc_u, getwc, getwc_u, getwchar, getwchar_u, iofgetws, iofgetws_u, iofputws, iofputws_u, iogetwline, iowpadn, ioungetwc, putwc, putwc_u, putchar, putchar_u, swprintf, vwprintf, wprintf, wscanf, fwscanf, vwscanf, vswprintf, iovswscanf, swscanf, wgenops, wstrops, wfileops, and iofwide. (tests): Add tst_swprintf, tst_wprintf, tst_swscanf, and tst_wscanf. * libio/Versions: Add _IO_fgetpos, _IO_fgetpos64, _IO_fsetpos, _IO_fsetpos64, fgetpos, fgetpos64, fgetwc, fgetwc_unlocked, fgetws, fgetws_unlocked, fputwc, fputwc_unlocked, fputws, fputws_unlocked, fsetpos, fsetpos64, fwide, fwprintf, fwscanf, getwc, getwc_unlocked, getwchar, getwchar_unlocked, putwc, putwc_unlocked, putwchar, putwchar_unlocked, swprintf, swscanf, ungetwc, vfwprintf, vswprintf, vwprintf, vfwscanf, vswscanf, vwscanf, wprintf, and wscanf to GLIBC_2.2 for libc. * libio/libio.h: Define codecvt struct. Define _IO_wide_data. Extend _IO_file contain pointer to codecvt, widedata and mode. (_IO_getwc_unlocked): New macro. (_IO_putwc_unlocked): New macro. (_IO_fwide): New macro. * libio/libioP.h: Add new prototypes and adjust existing declarations. * libio/fileops.c (_IO_new_file_close_it): Reset normal or widedata buffers based on mode. (new_do_write): Set _IO_write_end to _IO_buf_end if stream is wide oriented. (_IO_new_file_overflow): Don't depend only on _IO_CURRENTLY_PUTTING flag to be enough to signal unallocated buffer. For wide oriented stream don't make it linebuffered. Don't use _IO_do_flush, use _IO_new_do_write directly. (_IO_new_file_seekoff): Change return value type to _IO_off64_t. (_IO_file_seek): Likewise. * libio/genops.c (_IO_least_marker): Make global. (__underflow): Orient stream if not already done. (__uflow): Likewise. (_IO_default_seekpos): Change to type _IO_off64_t. (_IO_default_seekoff): Likewise. (_IO_default_seek): Likewise. (_IO_no_init): New function. Similar to _IO_init but allows to orient in initialization. * libio/iolibio.h: Add prototype for _IO_vswprintf. Change _IO_pos_BAD to use _IO_off64_t. * libio/ftello.c: Use _IO_off_t. For now abort when use with wide char stream. * libio/ftello64.c: Likewise. * libio/ioftell.c: Likewise. * libio/iofopncook.c: Likewise. * libio/ioseekoff.c: Likewise. * libio/ioseekpos.c: Likewise. * libio/oldfileops.c: Likewise. * libio/iofgetpos.c: Store state of conversion if necessary. * libio/iofgetpos64.c: Likewise. * libio/iofsetpos.c: Restore conversion state if necessary. * libio/iofsetpos64.c: Likewise. * libio/iofdopen.c: Initialize so that stream can be wide oriented. * libio/iofopen.c: Likewise. * libio/iofopen64.c: Likewise. * libio/iopopen.c: Likewise. * libio/iovdprintf.c: Likewise. * libio/iovsprintf.c: Likewise. * libio/iovsscanf.c: Likewise. * libio/memstream.c: Likewise. * libio/obprintf.c: Likewise. * libio/iofputs.c: Orient stream if not already happened. * libio/iofputs_u.c: Likewise. * libio/iofwrite.c: Likewise. * libio/iofwrite_u.c: Likewise. * libio/ioputs.c: Likewise. * libio/iosetbuffer.c: Handle not yet oriented stream. * libio/iosetvbuf.c: Likewise. * libio/oldstdfiles.c: Adjust FILEBUF_LITERAL call. * libio/stdfiles.c: Likewise. * libio/strops.c (_IO_str_overflow): Correctly free buffer after failed allocation. (_IO_str_seekoff): Use _IO_off64_t. * libio/vasprintf.c: Pre-orient stream. * libio/vsnprintf.c: Likewise. * libio/fputwc.c: New file. * libio/fputwc_u.c: New file. * libio/fwprintf.c: New file. * libio/fwscanf.c: New file. * libio/getwc.c: New file. * libio/getwc_u.c: New file. * libio/getwchar.c: New file. * libio/getwchar_u.c: New file. * libio/iofgetws.c: New file. * libio/iofgetws_u.c: New file. * libio/iofputws.c: New file. * libio/iofputws_u.c: New file. * libio/iofwide.c: New file. * libio/iogetwline.c: New file. * libio/ioungetwc.c: New file. * libio/iovswscanf.c: New file. * libio/iowpadn.c: New file. * libio/oldiofgetpos.c: New file. * libio/oldiofgetpos64.c: New file. * libio/oldiofsetpos.c: New file. * libio/oldiofsetpos64.c: New file. * libio/putwc.c: New file. * libio/putwc_u.c: New file. * libio/putwchar.c: New file. * libio/putwchar_u.c: New file. * libio/swprintf.c: New file. * libio/swscanf.c: New file. * libio/tst_swprintf.c: New file. * libio/tst_swscanf.c: New file. * libio/tst_wprintf.c: New file. * libio/tst_wscanf.c: New file. * libio/tst_wscanf.input: New file. * libio/vswprintf.c: New file. * libio/vwprintf.c: New file. * libio/vwscanf.c: New file. * libio/wfiledoalloc.c: New file. * libio/wfileops.c: New file. * libio/wgenops.c: New file. * libio/wprintf.c: New file. * libio/wscanf.c: New file. * libio/wstrops.c: New file. * stdio-common/Makefile (routines): Add _itowa, itowa-digits, vfwprintf, and vfwscanf. * stdio-common/_itoa.c (base_table): Rename to _IO_base_table and make global. * stdio-common/_itowa.c: New file. * stdio-common/_itowa.h: New file. * stdio-common/itoa-digits.c: Minimal optimization. * stdio-common/itowa-digits.c: New file. * stdio-common/printf-parse.h: Allow use in wide character context. * stdio-common/printf-prs.c: Define ISASCII and MBRLEN. * stdio-common/printf.h (printf_info): Add wide bit. * stdio-common/printf_fp.c: Determine from wide bit whether stream is wide oriented or not. * stdio-common/printf_size.c: Likewise. * sysdeps/generic/printf_fphex.c: Likewise. * stdlib/strfmon.c: Call __printf_fp with wide bit cleared. * stdio-common/vfprintf.c: Rewrite to allow use in wide character context. * stdio-common/vfscand.c: Likewise. * stdio-common/vfwprintf.c: New file. * stdio-common/vfwscanf.c: New file. * time/Makefile (routines): Add wcsftime. (tests): Add tst_wcsftime. * time/Versions: Add wcsftime to GLIBC_2.2 for libc. * time/strftime.c: Make usable as wcsftime. * time/wcsftime.c: New file. * time/tst_wcsftime.c: New file. * wcsmbs/Makefile (routines): Add wmempcpy and wcschrnul. * wcsmbs/Versions: Add wmempcpy and wcschrnul to GLIBC_2.2 for libc. * wcsmbs/wcschrnul.c: New file. * wcsmbs/wmemcpy.c: New file. * wcsmbs/wmemcpy.c: Rename to __wmemcpy and make wmemcpy weak alias. * wcsmbs/wmemmove.c: Likewise for wmemmove. * manual/stdio.texi: Document is_char and wide element if printf_info. * manual/time.texi: Document wcsftime. * include/wchar.h: Add prototypes for __wmemcpy, __wmempcpy, __wmemmove, __wcschrnul, and __vfwscanf. * locale/langinfo.h: Add new LC_TIME entries for wchar_t data. * locale/C-time.c: Adapt for above change. * locale/categories.def: Likewise. * locale/localeinfo.h: Likewise. * localedata/Makefile: Don't run tests for now.
Diffstat (limited to 'libio/iofwide.c')
-rw-r--r--libio/iofwide.c365
1 files changed, 365 insertions, 0 deletions
diff --git a/libio/iofwide.c b/libio/iofwide.c
new file mode 100644
index 0000000000..853920a001
--- /dev/null
+++ b/libio/iofwide.c
@@ -0,0 +1,365 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU IO Library.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This library is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this library; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA.
+
+ As a special exception, if you link this library with files
+ compiled with a GNU compiler to produce an executable, this does
+ not cause the resulting executable to be covered by the GNU General
+ Public License. This exception does not however invalidate any
+ other reasons why the executable file might be covered by the GNU
+ General Public License. */
+
+#include <libioP.h>
+#ifdef _LIBC
+# include <wchar.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef _LIBC
+# include <langinfo.h>
+# include <locale/localeinfo.h>
+# include <wcsmbs/wcsmbsload.h>
+#endif
+
+
+/* Prototypes of libio's codecvt functions. */
+static enum __codecvt_result do_out (struct _IO_codecvt *codecvt,
+ __mbstate_t *statep,
+ const wchar_t *from_start,
+ const wchar_t *from_end,
+ const wchar_t **from_stop, char *to_start,
+ char *to_end, char **to_stop);
+static enum __codecvt_result do_unshift (struct _IO_codecvt *codecvt,
+ __mbstate_t *statep, char *to_start,
+ char *to_end, char **to_stop);
+static enum __codecvt_result do_in (struct _IO_codecvt *codecvt,
+ __mbstate_t *statep,
+ const char *from_start,
+ const char *from_end,
+ const char **from_stop, wchar_t *to_start,
+ wchar_t *to_end, wchar_t **to_stop);
+static int do_encoding (struct _IO_codecvt *codecvt);
+static int do_length (struct _IO_codecvt *codecvt, __mbstate_t *statep,
+ const char *from_start,
+ const char *from_end, _IO_size_t max);
+static int do_max_length (struct _IO_codecvt *codecvt);
+static int do_always_noconv (struct _IO_codecvt *codecvt);
+
+
+/* The functions used in `codecvt' for libio are always the same. */
+static struct _IO_codecvt libio_codecvt =
+{
+ .__codecvt_destr = NULL, /* Destructor, never used. */
+ .__codecvt_do_out = do_out,
+ .__codecvt_do_unshift = do_unshift,
+ .__codecvt_do_in = do_in,
+ .__codecvt_do_encoding = do_encoding,
+ .__codecvt_do_always_noconv = do_always_noconv,
+ .__codecvt_do_length = do_length,
+ .__codecvt_do_max_length = do_max_length
+};
+
+
+/* Return orientation of stream. If mode is nonzero try to change
+ the orientation first. */
+#undef _IO_fwide
+int
+_IO_fwide (fp, mode)
+ _IO_FILE *fp;
+ int mode;
+{
+ /* Normalize the value. */
+ mode = mode < 0 ? -1 : (mode == 0 ? 0 : 1);
+
+ if (mode == 0 || fp->_mode != 0)
+ /* The caller simply wants to know about the current orientation
+ or the orientation already has been determined. */
+ return fp->_mode;
+
+ _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
+ _IO_flockfile (fp);
+
+ /* Set the orientation appropriately. */
+ if (mode > 0)
+ {
+ fp->_wide_data->_IO_read_ptr = fp->_wide_data->_IO_read_end;
+ fp->_wide_data->_IO_write_ptr = fp->_wide_data->_IO_write_base;
+
+ /* Clear the state. We start all over again. */
+ memset (&fp->_wide_data->_IO_state, '\0', sizeof (__mbstate_t));
+ memset (&fp->_wide_data->_IO_last_state, '\0', sizeof (__mbstate_t));
+
+ /* Get the character conversion functions based on the currently
+ selected locale for LC_CTYPE. */
+#ifdef _LIBC
+ {
+ struct gconv_fcts fcts;
+ struct _IO_codecvt *cc = &fp->_wide_data->_codecvt;
+
+ __wcsmbs_clone_conv (&fcts);
+
+ /* The functions are always the same. */
+ *cc = libio_codecvt;
+
+ cc->__cd_in.__cd.__nsteps = 1; /* Only one step allowed. */
+ cc->__cd_in.__cd.__steps = fcts.towc;
+
+ cc->__cd_in.__cd.__data[0].__invocation_counter = 0;
+ cc->__cd_in.__cd.__data[0].__internal_use = 1;
+ cc->__cd_in.__cd.__data[0].__is_last = 1;
+ cc->__cd_in.__cd.__data[0].__statep = &fp->_wide_data->_IO_state;
+
+ cc->__cd_out.__cd.__nsteps = 1; /* Only one step allowed. */
+ cc->__cd_out.__cd.__steps = fcts.tomb;
+
+ cc->__cd_out.__cd.__data[0].__invocation_counter = 0;
+ cc->__cd_out.__cd.__data[0].__internal_use = 1;
+ cc->__cd_out.__cd.__data[0].__is_last = 1;
+ cc->__cd_out.__cd.__data[0].__statep = &fp->_wide_data->_IO_state;
+ }
+#else
+# error "somehow determine this from LC_CTYPE"
+#endif
+
+ /* From now on use the wide character callback functions. */
+ ((struct _IO_FILE_plus *) fp)->vtable = fp->_wide_data->_wide_vtable;
+ }
+
+ /* Set the mode now. */
+ fp->_mode = mode;
+
+ _IO_funlockfile (fp);
+ _IO_cleanup_region_end (0);
+
+ return mode;
+}
+
+#ifdef weak_alias
+weak_alias (_IO_fwide, fwide)
+#endif
+
+
+static enum __codecvt_result
+do_out (struct _IO_codecvt *codecvt, __mbstate_t *statep,
+ const wchar_t *from_start, const wchar_t *from_end,
+ const wchar_t **from_stop, char *to_start, char *to_end,
+ char **to_stop)
+{
+ enum __codecvt_result result;
+
+#ifdef _LIBC
+ struct __gconv_step *gs = codecvt->__cd_out.__cd.__steps;
+ int status;
+ size_t written;
+ const unsigned char *from_start_copy = (unsigned char *) from_start;
+
+ codecvt->__cd_out.__cd.__data[0].__outbuf = to_start;
+ codecvt->__cd_out.__cd.__data[0].__outbufend = to_end;
+ codecvt->__cd_out.__cd.__data[0].__statep = statep;
+
+ status = (*gs->__fct) (gs, codecvt->__cd_out.__cd.__data, &from_start_copy,
+ (const unsigned char *) from_end, &written, 0);
+
+ *from_stop = (wchar_t *) from_start_copy;
+ *to_stop = codecvt->__cd_out.__cd.__data[0].__outbuf;
+
+ switch (status)
+ {
+ case __GCONV_OK:
+ case __GCONV_EMPTY_INPUT:
+ result = __codecvt_ok;
+ break;
+
+ case __GCONV_FULL_OUTPUT:
+ case __GCONV_INCOMPLETE_INPUT:
+ result = __codecvt_partial;
+ break;
+
+ default:
+ result = __codecvt_error;
+ break;
+ }
+#else
+ /* Decide what to do. */
+ result = __codecvt_error;
+#endif
+
+ return result;
+}
+
+
+static enum __codecvt_result
+do_unshift (struct _IO_codecvt *codecvt, __mbstate_t *statep,
+ char *to_start, char *to_end, char **to_stop)
+{
+ enum __codecvt_result result;
+
+#ifdef _LIBC
+ struct __gconv_step *gs = codecvt->__cd_out.__cd.__steps;
+ int status;
+ size_t written;
+
+ codecvt->__cd_out.__cd.__data[0].__outbuf = to_start;
+ codecvt->__cd_out.__cd.__data[0].__outbufend = to_end;
+ codecvt->__cd_out.__cd.__data[0].__statep = statep;
+
+ status = (*gs->__fct) (gs, codecvt->__cd_out.__cd.__data, NULL, NULL,
+ &written, 1);
+
+ *to_stop = codecvt->__cd_out.__cd.__data[0].__outbuf;
+
+ switch (status)
+ {
+ case __GCONV_OK:
+ case __GCONV_EMPTY_INPUT:
+ result = __codecvt_ok;
+ break;
+
+ case __GCONV_FULL_OUTPUT:
+ case __GCONV_INCOMPLETE_INPUT:
+ result = __codecvt_partial;
+ break;
+
+ default:
+ result = __codecvt_error;
+ break;
+ }
+#else
+ /* Decide what to do. */
+ result = __codecvt_error;
+#endif
+
+ return result;
+}
+
+
+static enum __codecvt_result
+do_in (struct _IO_codecvt *codecvt, __mbstate_t *statep,
+ const char *from_start, const char *from_end, const char **from_stop,
+ wchar_t *to_start, wchar_t *to_end, wchar_t **to_stop)
+{
+ enum __codecvt_result result;
+
+#ifdef _LIBC
+ struct __gconv_step *gs = codecvt->__cd_in.__cd.__steps;
+ int status;
+ size_t written;
+ const unsigned char *from_start_copy = (unsigned char *) from_start;
+
+ codecvt->__cd_in.__cd.__data[0].__outbuf = (char *) to_start;
+ codecvt->__cd_in.__cd.__data[0].__outbufend = (char *) to_end;
+ codecvt->__cd_in.__cd.__data[0].__statep = statep;
+
+ status = (*gs->__fct) (gs, codecvt->__cd_in.__cd.__data, &from_start_copy,
+ from_end, &written, 0);
+
+ *from_stop = from_start_copy;
+ *to_stop = (wchar_t *) codecvt->__cd_in.__cd.__data[0].__outbuf;
+
+ switch (status)
+ {
+ case __GCONV_OK:
+ case __GCONV_EMPTY_INPUT:
+ result = __codecvt_ok;
+ break;
+
+ case __GCONV_FULL_OUTPUT:
+ case __GCONV_INCOMPLETE_INPUT:
+ result = __codecvt_partial;
+ break;
+
+ default:
+ result = __codecvt_error;
+ break;
+ }
+#else
+ /* Decide what to do. */
+ result = __codecvt_error;
+#endif
+
+ return result;
+}
+
+
+static int
+do_encoding (struct _IO_codecvt *codecvt)
+{
+#ifdef _LIBC
+ /* See whether the encoding is stateful. */
+ if (codecvt->__cd_in.__cd.__steps[0].__stateful)
+ return -1;
+ /* Fortunately not. Now determine the input bytes for the conversion
+ necessary for each wide character. */
+ if (codecvt->__cd_in.__cd.__steps[0].__min_needed_from
+ != codecvt->__cd_in.__cd.__steps[0].__max_needed_from)
+ /* Not a constant value. */
+ return 0;
+
+ return codecvt->__cd_in.__cd.__steps[0].__min_needed_from;
+#else
+ /* Worst case scenario. */
+ return -1;
+#endif
+}
+
+
+static int
+do_always_noconv (struct _IO_codecvt *codecvt)
+{
+ return 0;
+}
+
+
+static int
+do_length (struct _IO_codecvt *codecvt, __mbstate_t *statep,
+ const char *from_start, const char *from_end, _IO_size_t max)
+{
+ int result;
+#ifdef _LIBC
+ const unsigned char *cp = (const unsigned char *) from_start;
+ wchar_t to_buf[max];
+ struct __gconv_step *gs = codecvt->__cd_in.__cd.__steps;
+ int status;
+ size_t written;
+
+ codecvt->__cd_in.__cd.__data[0].__outbuf = (char *) to_buf;
+ codecvt->__cd_in.__cd.__data[0].__outbufend = (char *) &to_buf[max];
+ codecvt->__cd_in.__cd.__data[0].__statep = statep;
+
+ status = (*gs->__fct) (gs, codecvt->__cd_in.__cd.__data, &cp, from_end,
+ &written, 0);
+
+ result = cp - (const unsigned char *) from_start;
+#else
+ /* Decide what to do. */
+ result = 0;
+#endif
+
+ return result;
+}
+
+
+static int
+do_max_length (struct _IO_codecvt *codecvt)
+{
+#ifdef _LIBC
+ return codecvt->__cd_in.__cd.__steps[0].__max_needed_from;
+#else
+ return MB_CUR_MAX;
+#endif
+}