glibc/wcsmbs/mbsnrtowcs.c
Ulrich Drepper f4017d2057 Update.
1997-11-26 04:28  Ulrich Drepper  <drepper@cygnus.com>

	* eld/dl-profile.c (_dl_start_profile): Avoid FP calculation when
	computing s_scale.  Patch by a sun <asun@zoology.washington.edu>.

	* iconv/gconv_close.c: Correct freeing of descriptor data.
	* iconv/gconv_simple.c: Return correct error values for illegal or
	incomplete characters.

	* Makefile (iconvdata/%): Special goal to simplify iconvdata
	development.
	* iconvdata/Makefile: New file.
	* iconvdata/configure: Likewise.
	* iconvdata/extra-module.mk: Likewise.
	* iconvdata/gconv-modules: Likewise.
	* iconvdata/iso6937.c: Likewise.
	* iconvdata/iso8859-1.c: Likewise.
	* iconvdata/iso8859-10.c: Likewise.
	* iconvdata/iso8859-10.h: Likewise.
	* iconvdata/iso8859-2.c: Likewise.
	* iconvdata/iso8859-2.h: Likewise.
	* iconvdata/iso8859-3.c: Likewise.
	* iconvdata/iso8859-3.h: Likewise.
	* iconvdata/iso8859-4.c: Likewise.
	* iconvdata/iso8859-4.h: Likewise.
	* iconvdata/iso8859-5.c: Likewise.
	* iconvdata/iso8859-5.h: Likewise.
	* iconvdata/iso8859-6.c: Likewise.
	* iconvdata/iso8859-6.h: Likewise.
	* iconvdata/iso8859-7.c: Likewise.
	* iconvdata/iso8859-7.h: Likewise.
	* iconvdata/iso8859-8.c: Likewise.
	* iconvdata/iso8859-8.h: Likewise.
	* iconvdata/iso8859-9.c: Likewise.
	* iconvdata/iso8859-9.h: Likewise.
	* iconvdata/iso8859-generic.c: Likewise.
	* iconvdata/t61.c: Likewise.

	* string/Makefile (routines): Add strcasestr.
	* string/string.h: Add prototype for strcasestr.
	* sysdeps/generic/strcasestr.c: New file.
	* wcsmbs/mbrtowc.c: Simplify special case a bit.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Correctly handle incomplete characters.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Make sure SRC argument is correct when
	partial character is read.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wmemrtombs.c: Likewise.
	* wcsmbs/wmemrtowcs.c: Likewise.

	* io/ftw.h: Include <sys/stat.h> instead of <bits/stat.h>.
	* login/pty.h: Include <sys/ioctl.h> instead og <bits/ioctl-types.h>.
	* sysdeps/i386/__longjmp.S: Define _SETJMP_H.
	* sysdeps/i386/elf/setjmp.S: Likewise.
	* sysdeps/unix/sysv/linux/kernel_termios.h: Do include
	<bits/termios.h>.

	* sysdeps/posix/mk-stdiolim.c: Output file with comment.
	* sysdeps/unix/sysv/linux/stdio_lim.h.in: Add comment.

	* sysdeps/unix/sysv/linux/sys/mman.h: Pretty print.
	* sysvipc/sys/ipc.h: Likewise.
	* sysvipc/sys/msg.h: Likewise.
	* sysvipc/sys/sem.h: Likewise.
	* sysvipc/sys/shm.h: Likewise.

	* sysdeps/alpha/bits/endian.h: Issue error message if the header is
	used directly.
	* sysdeps/alpha/bits/setjmp.h: Likewise.
	* sysdeps/alpha/fpu/bits/fenv.h: Likewise.
	* sysdeps/arm/bits/endian.h: Likewise.
	* sysdeps/arm/bits/setjmp.h: Likewise.
	* sysdeps/generic/bits/byteswap.h: Likewise.
	* sysdeps/generic/bits/confname.h: Likewise.
	* sysdeps/generic/bits/dirent.h: Likewise.
	* sysdeps/generic/bits/dlfcn.h: Likewise.
	* sysdeps/generic/bits/endian.h: Likewise.
	* sysdeps/generic/bits/fenv.h: Likewise.
	* sysdeps/generic/bits/huge_val.h: Likewise.
	* sysdeps/generic/bits/in.h: Likewise.
	* sysdeps/generic/bits/ioctl-types.h: Likewise.
	* sysdeps/generic/bits/ioctls.h: Likewise.
	* sysdeps/generic/bits/ipc.h: Likewise.
	* sysdeps/generic/bits/msq.h: Likewise.
	* sysdeps/generic/bits/poll.h: Likewise.
	* sysdeps/generic/bits/resource.h: Likewise.
	* sysdeps/generic/bits/sched.h: Likewise.
	* sysdeps/generic/bits/sem.h: Likewise.
	* sysdeps/generic/bits/setjmp.h: Likewise.
	* sysdeps/generic/bits/shm.h: Likewise.
	* sysdeps/generic/bits/sigaction.h: Likewise.
	* sysdeps/generic/bits/sigcontext.h: Likewise.
	* sysdeps/generic/bits/socket.h: Likewise.
	* sysdeps/generic/bits/stat.h: Likewise.
	* sysdeps/generic/bits/statfs.h: Likewise.
	* sysdeps/generic/bits/stdio_lim.h: Likewise.
	* sysdeps/generic/bits/termios.h: Likewise.
	* sysdeps/generic/bits/time.h: Likewise.
	* sysdeps/generic/bits/uio.h: Likewise.
	* sysdeps/generic/bits/utmp.h: Likewise.
	* sysdeps/generic/bits/utmpx.h: Likewise.
	* sysdeps/generic/bits/utsname.h: Likewise.
	* sysdeps/generic/bits/waitflags.h: Likewise.
	* sysdeps/generic/bits/waitstatus.h: Likewise.
	* sysdeps/gnu/bits/utmp.h: Likewise.
	* sysdeps/gnu/bits/utmpx.h: Likewise.
	* sysdeps/i386/bits/byteswap.h: Likewise.
	* sysdeps/i386/bits/endian.h: Likewise.
	* sysdeps/i386/bits/huge_val.h: Likewise.
	* sysdeps/i386/bits/setjmp.h: Likewise.
	* sysdeps/i386/fpu/bits/fenv.h: Likewise.
	* sysdeps/ieee754/bits/huge_val.h: Likewise.
	* sysdeps/m68k/bits/byteswap.h: Likewise.
	* sysdeps/m68k/bits/endian.h: Likewise.
	* sysdeps/m68k/bits/setjmp.h: Likewise.
	* sysdeps/m68k/fpu/bits/fenv.h: Likewise.
	* sysdeps/mach/hurd/alpha/bits/sigcontext.h: Likewise.
	* sysdeps/mach/hurd/bits/ioctls.h: Likewise.
	* sysdeps/mach/hurd/bits/stat.h: Likewise.
	* sysdeps/mach/hurd/hppa/bits/sigcontext.h: Likewise.
	* sysdeps/mach/hurd/i386/bits/sigcontext.h: Likewise.
	* sysdeps/mach/hurd/mips/bits/sigcontext.h: Likewise.
	* sysdeps/mips/bits/dlfcn.h: Likewise.
	* sysdeps/mips/bits/endian.h: Likewise.
	* sysdeps/mips/bits/setjmp.h: Likewise.
	* sysdeps/mips/dec/bits/endian.h: Likewise.
	* sysdeps/mips/mips64/bits/setjmp.h: Likewise.
	* sysdeps/mips/mipsel/bits/endian.h: Likewise.
	* sysdeps/mips/p40/bits/endian.h: Likewise.
	* sysdeps/powerpc/bits/endian.h: Likewise.
	* sysdeps/powerpc/bits/fenv.h: Likewise.
	* sysdeps/powerpc/bits/setjmp.h: Likewise.
	* sysdeps/sparc/sparc32/bits/endian.h: Likewise.
	* sysdeps/sparc/sparc32/bits/setjmp.h: Likewise.
	* sysdeps/sparc/sparc32/fpu/bits/fenv.h: Likewise.
	* sysdeps/sparc/sparc64/bits/endian.h: Likewise.
	* sysdeps/sparc/sparc64/fpu/bits/fenv.h: Likewise.
	* sysdeps/unix/bsd/bits/dirent.h: Likewise.
	* sysdeps/unix/bsd/bits/stat.h: Likewise.
	* sysdeps/unix/bsd/bits/waitflags.h: Likewise.
	* sysdeps/unix/bsd/bsd4.4/bits/dirent.h: Likewise.
	* sysdeps/unix/bsd/osf/alpha/bits/stat.h: Likewise.
	* sysdeps/unix/bsd/osf/bits/sigaction.h: Likewise.
	* sysdeps/unix/bsd/sun/m68k/bits/sigcontext.h: Likewise.
	* sysdeps/unix/bsd/sun/sparc/bits/sigcontext.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/bits/resource.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/bits/termios.h: Likewise.
	* sysdeps/unix/bsd/sun/sunos4/bits/utsname.h: Likewise.
	* sysdeps/unix/bsd/ultrix4/bits/utsname.h: Likewise.
	* sysdeps/unix/bsd/ultrix4/mips/bits/sigcontext.h: Likewise.
	* sysdeps/unix/common/bits/dirent.h: Likewise.
	* sysdeps/unix/sysv/bits/dirent.h: Likewise.
	* sysdeps/unix/sysv/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/bits/utmp.h: Likewise.
	* sysdeps/unix/sysv/bits/utsname.h: Likewise.
	* sysdeps/unix/sysv/irix4/bits/confname.h: Likewise.
	* sysdeps/unix/sysv/irix4/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/ioctls.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/ipc.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/termios.h: Likewise.
	* sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/dirent.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/in.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/ioctl-types.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/ioctls.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/ipc.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/msq.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/poll.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/resource.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sched.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sem.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/shm.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/sigcontext.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/statfs.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/termios.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/uio.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/utsname.h: Likewise.
	* sysdeps/unix/sysv/linux/bits/waitflags.h: Likewise.
	* sysdeps/unix/sysv/linux/i386/bits/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/m68k/bits/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/m68k/bits/poll.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/endian.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/ioctl-types.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/ipc.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/poll.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/shm.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/statfs.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/termios.h: Likewise.
	* sysdeps/unix/sysv/linux/mips/bits/time.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/ioctl-types.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/bits/termios.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/ioctls.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/poll.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/termios.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/bits/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/mman.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/bits/setjmp.h: Likewise.
	* sysdeps/unix/sysv/minix/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/sco3.2.4/bits/confname.h: Likewise.
	* sysdeps/unix/sysv/sco3.2.4/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/sysv4/bits/sigaction.h: Likewise.
	* sysdeps/unix/sysv/sysv4/bits/utsname.h: Likewise.
	* sysdeps/unix/sysv/sysv4/bits/waitflags.h: Likewise.
	* sysdeps/unix/sysv/sysv4/i386/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/sysv4/solaris2/bits/stat.h: Likewise.
	* sysdeps/unix/sysv/sysv4/solaris2/sparc/bits/sigcontext.h: Likewise.
	* sysdeps/vax/bits/huge_val.h: Likewise.
	* sysdeps/vax/bits/setjmp.h: Likewise.
	* sysdeps/wordsize-32/bits/elfclass.h: Likewise.
	* sysdeps/wordsize-64/bits/elfclass.h: Likewise.

1997-11-25  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* libio/stdio.h: Correct comment of sys_nerr/sys_errlist

1997-11-25  Paul Eggert  <eggert@shade.twinsun.com>

	* strftime.c (strftime):
	No longer any need to undef or declare if emacs is defined.
	(my_strftime): When checking a -1 returned by mktime, don't blow up
	if localtime_r returns NULL.

1997-11-24  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* README.template: Fix spelling.

1997-11-25  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* configure.in: Enhance --enable-add-ons description a wee bit.

1997-11-24  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* glibcbug.in: Add more information of build environment and flags.

1997-11-23  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/posix/getcwd.c: Recognize EOF from readdir and translate
	it into ENOENT.
1997-11-26 04:23:08 +00:00

168 lines
4.0 KiB
C

/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <wchar.h>
#ifndef EILSEQ
#define EILSEQ EINVAL
#endif
/* We don't need the state really because we don't have shift states
to maintain between calls to this function. */
static mbstate_t internal;
/* This is a non-standard function but it is very useful in the
implementation of stdio because we have to deal with unterminated
buffers. At most NMC bytes will be converted. */
size_t
__mbsnrtowcs (dst, src, nmc, len, ps)
wchar_t *dst;
const char **src;
size_t nmc;
size_t len;
mbstate_t *ps;
{
size_t written = 0;
const char *run = *src;
const char *last = run + nmc;
wchar_t value;
size_t count;
if (ps == NULL)
ps = &internal;
/* Get information from last use of this state. */
count = ps->count;
value = ps->value;
if (dst == NULL)
/* The LEN parameter has to be ignored if we don't actually write
anything. */
len = ~0;
/* Copy all words. */
while (written < len && run < last)
{
unsigned char byte;
/* Store address of next byte to process. */
*src = run;
/* Start reading a new character only if we are in the initial
state. */
if (count == 0)
{
byte = *run++;
/* We expect a start of a new multibyte character. */
if (byte < 0x80)
{
/* One byte sequence. */
count = 0;
value = byte;
}
else if ((byte & 0xe0) == 0xc0)
{
count = 1;
value = byte & 0x1f;
}
else if ((byte & 0xf0) == 0xe0)
{
/* We expect three bytes. */
count = 2;
value = byte & 0x0f;
}
else if ((byte & 0xf8) == 0xf0)
{
/* We expect four bytes. */
count = 3;
value = byte & 0x07;
}
else if ((byte & 0xfc) == 0xf8)
{
/* We expect five bytes. */
count = 4;
value = byte & 0x03;
}
else if ((byte & 0xfe) == 0xfc)
{
/* We expect six bytes. */
count = 5;
value = byte & 0x01;
}
else
{
/* This is an illegal encoding. */
__set_errno (EILSEQ);
return (size_t) -1;
}
}
/* Read the possible remaining bytes. */
while (run < last && count > 0)
{
byte = *run++;
--count;
if ((byte & 0xc0) != 0x80)
{
/* This is an illegal encoding. */
__set_errno (EILSEQ);
return (size_t) -1;
}
value <<= 6;
value |= byte & 0x3f;
}
/* If this character is only partially available remember this. */
if (run == last && count != 0)
{
ps->count = count;
ps->value = value;
break;
}
/* Store value is required. */
if (dst != NULL)
*dst++ = value;
/* The whole sequence is read. Check whether end of string is
reached. */
if (value == L'\0')
{
/* Found the end of the string. */
*src = NULL;
ps->count = 0;
return written;
}
/* Increment counter of produced words. */
++written;
}
/* Store address of next byte to process. */
*src = run;
return written;
}
weak_alias (__mbsnrtowcs, mbsnrtowcs)