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author | Ulrich Drepper <drepper@redhat.com> | 1998-04-07 09:21:28 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1998-04-07 09:21:28 +0000 |
commit | 4bca4c174852bfc348f99e85684fc8f65631d125 (patch) | |
tree | a5779cb83844d32d94557e4b8613278d7d877c9b /wcsmbs/wcrtomb.c | |
parent | 91641c65220646ae2ad8b4ec6972adc7e6720d36 (diff) | |
download | glibc-4bca4c174852bfc348f99e85684fc8f65631d125.tar.gz glibc-4bca4c174852bfc348f99e85684fc8f65631d125.tar.xz glibc-4bca4c174852bfc348f99e85684fc8f65631d125.zip |
Update.
1998-04-07 08:51 Ulrich Drepper <drepper@cygnus.com> * iconv/gconv.c: Take care for NULL arguments. * iconv/gconv_dl.c: Make find_func function global. * iconv/gconv_int.h: Add prototype for __gconv_find_func. Add prototypes for ASCII conversion functions. * iconv/gconv_simple.c: Add ASCII conversion functions. * locale/C-ctype.c: Correct charset name. * wcsmbs/Makefile (distribute): Add wcsmbsload.h. (routines): Remove wmemrtowcs and wmemrtombs, add wcsnlen and wcsmbsload. * wcsmbs/btowc.c: Rewrite to use iconv functionality. * wcsmbs/mbrtowc.c: Likewise. * wcsmbs/mbsnrtowcs.c: Likewise. * wcsmbs/mbsrtowcs.c: Likewise. * wcsmbs/wcrtomb.c: Likewise. * wcsmbs/wcsnrtombs.c: Likewise. * wcsmbs/wcsrtombs.c: Likewise. * wcsmbs/wctob.c: Likewise. * wcsmbs/wchar.h: Add prototype for __wcslen, wcsnlen. Remove prototypes for wmemr*. * wcsmbs/wcslen.c: Rename to __wcslen and make wcslen weak alias. * wcsmbs/wcsnlen.c: New file. * wcsmbs/wcsmbsload.c: New file. * wcsmbs/wcsmbsload.h: New file. * manual/filesys.texi: Mention risks of tmpnam and mktemp. * manual/install.texi: Describe some more critical points. * string/string.h: Add prototype for __strnlen. * string/strnlen.c: Rename to __strnlen and make strnlen weak alias. * sysdeps/posix/mktemp.c: Rewrite to allow many more files and much less predictable names. * sysdeps/posix/mkstemp.c: Likewise. 1998-04-05 Andreas Jaeger <aj@arthur.rhein-neckar.de> * manual/libc.texinfo (Top): Change "file namespace" to "local namespace". * manual/socket.texi: Change file namespace to local namespace. (Out-of-Band Data): Remove unneeded variable link. (Host Address Functions): Use uint32_t consequently and add a number of clarifications for IPv4/IPv6, classless addresses. (Internet Namespace): Added some paragraphs about IPv6. Based on suggestions by Francesco Potorti` <F.Potorti@cnuce.cnr.it>. 1998-04-05 Philip Blundell <Philip.Blundell@pobox.com> Update for draft-ietf-ipngwg-bsd-api-new-01.txt: * resolv/netdb.h (getnameinfo): Use `socklen_t' not `size_t'. (NI_NUMERICHOST, et al.): Tidy up and add comments. (AI_NUMERICHOST): Define. (getnodebyname): New prototype. (AI_V4MAPPED, et al.): New constants. * sysdeps/unix/bsd/bsd4.4/bits/sockaddr.h (SA_LEN): New macro.< * sysdeps/generic/bits/sockaddr.h (SA_LEN): Likewise. * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add sa_len for socket. * sysdeps/unix/sysv/linux/sa_len.c: New file. * sysdeps/unix/sysv/linux/Dist: Add sa_len.c. * sysdeps/unix/sysv/linux/bits/socket.h: Make multiple #inclusion safe. * sysdeps/generic/bits/sockunion.h: New file, defining sockaddr_union. * sysdeps/unix/sysv/linux/bits/sockunion.h: Likewise. * socket/Makefile (headers): Add bits/sockunion.h. * socket/sys/socket.h: Include <bits/sockunion.h> * inet/netinet/in.h: Include <bits/sockaddr.h> rather than <sys/socket.h>, to avoid getting sockaddr_union defined. * sysdeps/generic/bits/socket.h: Allow inclusion from netinet.in.h. * sysdeps/unix/sysv/linux/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise. * sysdeps/unix/sysv/linux/if_index.c: Remove use of SIOCGIFCOUNT (2.2.x kernels won't have it). 1998-04-06 21:21 Ulrich Drepper <drepper@cygnus.com> * sysdeps/mach/hurd/bits/ioctls.h: Allow inclusion from hurd/ioctl.h. * sysdeps/mach/hurd/dl-sysdep.c: Use __ptr_t not caddr_t. * iconv/gconv_conf.c: Define MAXPATHLEN if not available before. Patches by UCHIYAMA Yasushi <uch@nop.or.jp>. 1998-04-05 Philip Blundell <Philip.Blundell@pobox.com> * manual/socket.texi (Socket Addresses): Fix a typo. (Interface Naming): New section. 1998-04-05 23:29 Zack Weinberg <zack@rabi.phys.columbia.edu> * configure.in: Check for CC using $ac_tool_prefix, to handle cross-compilation. Use AC_CHECK_TOOL to find MiG. * config.make.in: Add MIG to be substituted. * mach/Machrules: Don't define MIG variable. Patch by Gordon Matzigkeit <gord@profitpress.com>. 1998-04-05 Mark Kettenis <kettenis@phys.uva.nl> * elf/dl-load.c (decompose_rpath): Use local_strdup instead of strdupa to copy rpath. 1998-04-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * configure.in: Fix gcc version check. * aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less confusing. 1998-04-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * configure.in: Fix gcc version check. * aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less confusing. 1998-04-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * configure.in: Fix gcc version check. * aclocal.m4 (AC_PROG_CHECK_VER): Rewritten to make less confusing. 1998-03-31 Mark Kettenis <kettenis@phys.uva.nl> * sysdeps/unix/bsd/unlockpt.c (unlockpt): Call __ptsname_r instead of ptsname_r. * stdlib/stdlib.h: Change prototype of ptsname_r to make it more like ttyname_r. * sysdeps/unix/sysv/linux/ptsname.c (__ptsname_r): Likewise. * sysdeps/generic/ptsname.c (__ptsname_r): Likewise. * sysdeps/unix/grantpt.c (grantpt): Change check of return value of __ptsname_r accordingly. * login/openpty.c (openpty): Likewise. 1998-06-04 18:47 H.J. Lu <hjl@gnu.org> * libio/fileops.c (_IO_file_xsgetn): Adjust pointers. 1998-04-06 13:58 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makeconfig (libtypes): Redo H.J. Lu's change of 1998-03-27. * Makerules: Readd missing rule for $(objpfx)stamp.oS. 1998-04-06 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/ypclnt.c: Don't give YPERR_RPC back, use the do_ypcall return value for better error checking.
Diffstat (limited to 'wcsmbs/wcrtomb.c')
-rw-r--r-- | wcsmbs/wcrtomb.c | 109 |
1 files changed, 59 insertions, 50 deletions
diff --git a/wcsmbs/wcrtomb.c b/wcsmbs/wcrtomb.c index 63859e158a..d45ae444bb 100644 --- a/wcsmbs/wcrtomb.c +++ b/wcsmbs/wcrtomb.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. @@ -18,77 +18,86 @@ Boston, MA 02111-1307, USA. */ #include <errno.h> +#include <gconv.h> +#include <stdlib.h> #include <wchar.h> +#include <wcsmbsload.h> + +#include <assert.h> #ifndef EILSEQ -#define EILSEQ EINVAL +# define EILSEQ EINVAL #endif -static const wchar_t encoding_mask[] = -{ - ~0x7ff, ~0xffff, ~0x1fffff, ~0x3ffffff -}; - -static const unsigned char encoding_byte[] = -{ - 0xc0, 0xe0, 0xf0, 0xf8, 0xfc -}; -/* The state is for this UTF8 encoding not used. */ -static mbstate_t internal; +/* This is the private state used if PS is NULL. */ +static mbstate_t state; size_t __wcrtomb (char *s, wchar_t wc, mbstate_t *ps) { - size_t written = 0; - - if (ps == NULL) - ps = &internal; - + char buf[MB_CUR_MAX]; + struct gconv_step_data data; + int status; + size_t result; + + /* Tell where we want the result. */ + data.outbuf = s; + data.outbufavail = 0; + data.outbufsize = MB_CUR_MAX; + data.is_last = 1; + data.statep = ps ?: &state; + + /* A first special case is if S is NULL. This means put PS in the + initial state. */ if (s == NULL) { - /* This is equivalent to wcrtomb (<<internal>, L'\0', ps). We - only have to reset the state. */ - ps->count = 0; - return 1; + data.outbuf = buf; + wc = L'\0'; } - /* Store the UTF8 representation of WC. */ - if (wc < 0 || wc > 0x7fffffff) + /* Make sure we use the correct function. */ + update_conversion_ptrs (); + + /* If WC is the NUL character we write into the output buffer the byte + sequence necessary for PS to get into the initial state, followed + by a NUL byte. */ + if (wc == L'\0') { - /* This is no correct ISO 10646 character. */ - __set_errno (EILSEQ); - return (size_t) -1; - } + size_t inbytes = 0; + + status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb, + &data, NULL, &inbytes, + NULL, 1); - if (wc < 0x80) + if (status == GCONV_OK) + data.outbuf[data.outbufavail++] = '\0'; + } + else { - /* It's a one byte sequence. */ - if (s != NULL) - *s = (char) wc; - ps->count = 0; - return 1; + /* Do a normal conversion. */ + size_t inbytes = sizeof (wchar_t); + + status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb, + &data, (char *) &wc, &inbytes, + NULL, 0); } - for (written = 2; written < 6; ++written) - if ((wc & encoding_mask[written - 2]) == 0) - break; + /* There must not be any problems with the conversion but illegal input + characters. The output buffer must be large enough, otherwise the + definition of MB_CUR_MAX is not correct. All the other possible + errors also must not happen. */ + assert (status == GCONV_OK || status == GCONV_ILLEGAL_INPUT + || status == GCONV_INCOMPLETE_INPUT); - if (s != NULL) + if (status == GCONV_OK) + result = data.outbufavail; + else { - size_t cnt = written; - s[0] = encoding_byte[cnt - 2]; - - --cnt; - do - { - s[cnt] = 0x80 | (wc & 0x3f); - wc >>= 6; - } - while (--cnt > 0); - s[0] |= wc; + result = (size_t) -1; + __set_errno (EILSEQ); } - return written; + return result; } weak_alias (__wcrtomb, wcrtomb) |