glibc/iconv/iconv.c
Ulrich Drepper 4360eafdd2 Update.
1999-06-18  Zack Weinberg  <zack@rabi.columbia.edu>

	* include/features.h: Define new macros __GNUC_PREREQ and
	__GLIBC_PREREQ which can be used to test the version of gcc
	and glibc respectively.

	* assert/assert.h: Use __GNUC_PREREQ.
	* intl/libintl.h: Likewise.
	* math/complex.h: Likewise.
	* math/tgmath.h: Likewise.
	* misc/sys/cdefs.h: Likewise.
	* posix/sys/types.h: Likewise.
	* socket/sys/socket.h: Likewise.
	* string/bits/string2.h: Likewise.
	* sysdeps/alpha/fpu/bits/mathinline.h: Likewise.
	* sysdeps/i386/fpu/bits/mathinline.h: Likewise.

1999-06-18  Zack Weinberg  <zack@rabi.columbia.edu>

	* include/libintl.h: Declare _libc_intl_domainname here.
	Define _ and N_ here.
	* include/libc-symbols.h: Don't include <libintl.h>.  Don't
	define _ and N_.  Don't declare _libc_intl_domainname.
	* Makeconfig (CPPFLAGS): Use -imacros to read libc-symbols.h.

	* db2/config.h: Don't include sys/stat.h or define
	HAVE_ST_BLKSIZE here...
	* db2/compat.h: ...do it here.

	* linuxthreads/internals.h: Include bits/libc-tsd.h after all
	other headers.
	* linuxthreads/no-tsd.c: Include sys/cdefs.h for __P.
	* iconv/iconv.c: Include stddef.h for NULL.
	* malloc/malloc.h: Include features.h.
	* sysdeps/generic/morecore.c: Use __malloc_ptr_t not __ptr_t.

	* sysdeps/unix/make_errlist.c: Write an "#include <libintl.h>"
	into the generated file.
	* sysdeps/gnu/errlist.awk: Likewise.
	* sysdeps/gnu/errlist.c: Rebuilt.

	* assert/assert-perr.c: Include libintl.h.
	* assert/assert.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dlsym.c: Likewise.
	* elf/dlvsym.c: Likewise.
	* iconv/iconv_prog.c: Likewise.
	* inet/rcmd.c: Likewise.
	* inet/ruserpass.c: Likewise.
	* locale/programs/charset.c: Likewise.
	* locale/programs/ld-collate.c: Likewise.
	* locale/programs/ld-ctype.c: Likewise.
	* locale/programs/ld-messages.c: Likewise.
	* locale/programs/ld-monetary.c: Likewise.
	* locale/programs/ld-numeric.c: Likewise.
	* locale/programs/ld-time.c: Likewise.
	* locale/programs/locfile.c: Likewise.
	* locale/programs/repertoire.c: Likewise.
	* login/programs/database.c: Likewise.
	* login/programs/request.c: Likewise.
	* malloc/mcheck.c: Likewise.
	* misc/error.c: Likewise.
	* nis/nis_call.c: Likewise.
	* nis/nis_callback.c: Likewise.
	* nis/nis_error.c: Likewise.
	* nis/nis_local_names.c: Likewise.
	* nis/nis_print.c: Likewise.
	* nis/nis_print_group_entry.c: Likewise.
	* nis/ypclnt.c: Likewise.
	* nis/nss_nisplus/nisplus-publickey.c: Likewise.
	* nscd/cache.c: Likewise.
	* nscd/connections.c: Likewise.
	* nscd/grpcache.c: Likewise.
	* nscd/hstcache.c: Likewise.
	* nscd/nscd_conf.c: Likewise.
	* nscd/nscd_stat.c: Likewise.
	* nscd/pwdcache.c: Likewise.
	* posix/id.c: Likewise.
	* resolv/herror.c: Likewise.
	* stdio-common/psignal.c: Likewise.
	* string/strsignal.c: Likewise.
	* sunrpc/auth_unix.c: Likewise.
	* sunrpc/clnt_perr.c: Likewise.
	* sunrpc/clnt_raw.c: Likewise.
	* sunrpc/clnt_tcp.c: Likewise.
	* sunrpc/clnt_udp.c: Likewise.
	* sunrpc/clnt_unix.c: Likewise.
	* sunrpc/get_myaddr.c: Likewise.
	* sunrpc/pm_getmaps.c: Likewise.
	* sunrpc/pmap_clnt.c: Likewise.
	* sunrpc/pmap_rmt.c: Likewise.
	* sunrpc/rpc_main.c: Likewise.
	* sunrpc/rpc_scan.c: Likewise.
	* sunrpc/svc_run.c: Likewise.
	* sunrpc/svc_simple.c: Likewise.
	* sunrpc/svc_tcp.c: Likewise.
	* sunrpc/svc_udp.c: Likewise.
	* sunrpc/svc_unix.c: Likewise.
	* sunrpc/xdr_rec.c: Likewise.
	* sunrpc/xdr_ref.c: Likewise.
	* sysdeps/mach/hurd/mips/dl-machine.c: Likewise.
	* sysdeps/posix/gai_strerror.c: Likewise.
	* sysdeps/unix/siglist.c: Likewise.
	* sysdeps/unix/sysv/linux/siglist.c: Likewise.
	* sysdeps/unix/sysv/linux/arm/siglist.c: Likewise.
	* sysdeps/unix/sysv/sysv4/solaris2/sparc/errlist.c: Likewise.
	* timezone/zic.c: Likewise.
1999-06-19 09:58:37 +00:00

94 lines
2.5 KiB
C

/* Convert characters in input buffer using conversion descriptor to
output buffer.
Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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 <stddef.h> /* for NULL */
#include <errno.h>
#include <iconv.h>
#include <gconv_int.h>
#include <assert.h>
size_t
iconv (iconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
size_t *outbytesleft)
{
__gconv_t gcd = (__gconv_t) cd;
char *outstart = outbuf ? *outbuf : NULL;
size_t converted;
int result;
if (inbuf == NULL || *inbuf == NULL)
{
result = __gconv (gcd, NULL, NULL, (unsigned char **) outbuf,
(unsigned char *) (outstart + *outbytesleft),
&converted);
}
else
{
const char *instart = *inbuf;
result = __gconv (gcd, (const unsigned char **) inbuf,
(const unsigned char *) (*inbuf + *inbytesleft),
(unsigned char **) outbuf,
(unsigned char *) (*outbuf + *outbytesleft),
&converted);
*inbytesleft -= *inbuf - instart;
}
if (outstart != NULL)
*outbytesleft -= *outbuf - outstart;
switch (result)
{
case __GCONV_ILLEGAL_DESCRIPTOR:
__set_errno (EBADF);
converted = (size_t) -1L;
break;
case __GCONV_ILLEGAL_INPUT:
__set_errno (EILSEQ);
converted = (size_t) -1L;
break;
case __GCONV_FULL_OUTPUT:
__set_errno (E2BIG);
converted = (size_t) -1L;
break;
case __GCONV_INCOMPLETE_INPUT:
__set_errno (EINVAL);
converted = (size_t) -1L;
break;
case __GCONV_EMPTY_INPUT:
case __GCONV_OK:
/* Nothing. */
break;
default:
assert (!"Nothing like this should happen");
}
return converted;
}