diff options
author | Ulrich Drepper <drepper@redhat.com> | 1996-11-06 04:24:40 +0000 |
---|---|---|
committer | Ulrich Drepper <drepper@redhat.com> | 1996-11-06 04:24:40 +0000 |
commit | 2c6fe0bd3b270fc644dd4c773f2d47b93f404efe (patch) | |
tree | a578bcc93bbeaafacb6012213c458e33b7907528 /stdio-common/vfscanf.c | |
parent | f5311448f83eada5c5cabf55aae2619dcb1869c0 (diff) |
update from main archive 961105cvs/libc-961106
Wed Nov 6 04:30:26 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/syscalls.list: Add weak alias llseek for
_llseek syscall. Reported by Andy Sewell <puck@pookhill.demon.co.uk>.
* string/argz.h: Don't protect by __USE_GNU.
Tue Nov 5 23:38:28 1996 Ulrich Drepper <drepper@cygnus.com>
* Lots of files: Update and reformat copyright.
* Makefile (headers): Add xopen_lim.h.
* catgets/nl_types.h: Move __BEGIN_DECLS before definition of nl_catd.
* grp/grp.h: Define setgrent, getgrent, endgrent, and getgrent_r
if __USE_XOPEN_EXTENDED is defined.
* pwd/pwd.h: Define setpwent, getpwent, endpwent, and getpwent_r
if __USE_XOPEN_EXTENDED is defined.
* io/Makefile (routines): Add lchown.
* io/sys/poll.h: Add definition of POLLWRNORM.
* io/sys/stat.h: Declare lstat, fchmod, mknod when
__USE_XOPEN_EXTENDED is defined.
* libio/Makefile (routines): Add obprintf.
* libio/obprintf.c: New file.
* libio/iolibio.h: Add prototypes for _IO_obstack_vprintf and
_IO_obstack_printf.
* libio/libio.h: Fix typo.
* libio/stdio.h: Declare tempnam if __USE_XOPEN_EXTENDED is defined.
Add prototypes for obstack_vprintf and obstack_printf.
* manual/creature.texi: Describe _XOPEN_SOURCE macro.
* manual/intro.texi: Add reference to NSS chapter.
* manual/libc.texinfo: Update UPDATED.
Comment out `@printindex cp'. It works again.
* manual/memory.texi: Add description for obstack_ptr_grow,
obstack_int_grow, obstack_ptr_grow_fast, and obstack_int_grow_fast.
* manual/nss.texi: Add a few @cindex entries and change NSS_STATUS_*
index entries to @vindex.
* manual/users.texi: Correct @cindex entry for Netgroup.
* math/mathcalls.h: Use __USE_XOPEN and __USE_XOPEN_EXTENDED to
make declarations visible for X/Open sources.
* misc/search.h: Declare insque/remque only is __USE_SVID or
__USE_XOPEN_EXTENDED is defined.
* misc/sys/uio.h (readv, writev): Change return value from int to
ssize_t.
* posix/Makefile (headers): Add re_comp.h.
* posix/re_comp.h: New file. XPG interface to regex functions.
* posix/getconf.c: Add all names from XPG4.2.
* posix/posix1_lim.h: Increase minimum values for _POSIX_CHILD_MAX
and _POSIX_OPEN_MAX to minimums from XPG4.2.
* sysdeps/generic/confname.h: Add all _SC_* names from XPG4.2.
* sysdeps/posix/sysconf.c: Handle new _SC_* values.
* sysdeps/stub/sysconf.c: Likewise.
* posix/unistd.h: Add declaration of ualarm and lchown. Declare
usleep, fchown, fchdir, nice, getpgid, setsid, getsid, setreuid,
setregid, vfork, ttyslot, symlink, readlink, gethostid, truncate,
ftruncate, getdtablesize, brk, sbrk, lockf when
__USE_XOPEN_EXTENDED is defined.
* posix/sys/wait.h: Declare wait3 if __USE_XOPEN_EXTENDED is defined.
* shadow/shadow.h: Define SHADOW using _PATH_SHADOW.
* sysdeps/generic/paths.h: Define _PATH_SHADOW.
* sysdeps/unix/sysv/linux/paths.h: Likewise.
* signal/signal.h: Declare killpg, sigstack and sigaltstack when
__USE_XOPEN_EXTENDED is defined.
* stdio/stdio.h: Declare tempnam when __USE_XOPEN is defined.
* stdlib/stdlib.h: Make rand48 functions available when __USE_XOPEN
is defined.
Likewise for valloc, putenv, realpath, [efg]cvt*, and getsubopt
functions.
* string/string.h: Make memccpy, strdup, bcmp, bcopy, bzero, index,
and rindex available when __USE_XOPEN_EXTENDED is defined.
* sysdeps/mach/getpagesize.c: De-ANSI-fy. Change return type to int.
* sysdeps/posix/getpagesize.c: Likewise.
* sysdeps/stub/getpagesize.c: Likewise.
* sysdeps/unix/getpagesize.c: Likewise.
* time/africa: Update from tzdata1996l.
* time/asia: Likewise.
* time/australia: Likewise.
* time/europe: Likewise.
* time/northamerica: Likewise.
* time/pacificnew: Likewise.
* time/southamerica: Likewise.
* time/tzfile.h: Update from tzcode1996m.
* time/time.h: Declare strptime if __USE_XOPEN.
Declare daylight and timezone also if __USE_XOPEN.
* time/sys/time.h: Remove declaration of ualarm.
* wctype/wctype.h: Just reference ISO C standard.
Tue Nov 5 01:26:32 1996 Richard Henderson <rth@tamu.edu>
* crypt/Makefile: Add crypt routines to libc as well iff
$(crypt-in-libc) is set. Do this for temporary binary compatibility
on existing Linux/Alpha installations.
* stdlib/div.c, sysdeps/generic/div.c: Move file to .../generic/.
* stdlib/ldiv.c, sysdeps/generic/ldiv.c: Likewise.
* stdlib/lldiv.c, sysdeps/generic/lldiv.c: Likewise.
* sysdeps/alpha/Makefile (divrem): Add divlu, dviqu, remlu, and
remqu.
* sysdeps/alpha/div.S: New file.
* sysdeps/alpha/ldiv.S: New file.
* sysdeps/alpha/lldiv.S: New file.
* sysdeps/alpha/divrem.h: Merge signed and unsigned division.
Take pointers from Linus and tighten the inner loops a bit.
* sysdeps/alpha/divl.S: Change defines for merged routines.
* sysdeps/alpha/divq.S: Likewise.
* sysdeps/alpha/reml.S: Likewise.
* sysdeps/alpha/remq.S: Likewise.
* sysdeps/alpha/divlu.S: Remove file.
* sysdeps/alpha/divqu.S: Likewise.
* sysdeps/alpha/remlu.S: Likewise.
* sysdeps/alpha/remqu.S: Likewise.
* sysdeps/alpha/bsd-_setjmp.S: If PROF, call _mcount.
* sysdeps/alpha/bsd-setjmp.S: Likewise.
* sysdeps/alpha/bzero.S: Likewise.
* sysdeps/alpha/ffs.S: Likewise.
* sysdeps/alpha/htonl.S: Likewise.
* sysdeps/alpha/htons.S: Likewise.
* sysdeps/alpha/memchr.S: Likewise.
* sysdeps/alpha/memset.S: Likewise.
* sysdeps/alpha/s_copysign.S: Likewise.
* sysdeps/alpha/s_fabs.S: Likewise.
* sysdeps/alpha/setjmp.S: Likewise.
* sysdeps/alpha/stpcpy.S: Likewise.
* sysdeps/alpha/stpncpy.S: Likewise.
* sysdeps/alpha/strcat.S: Likewise.
* sysdeps/alpha/strchr.S: Likewise.
* sysdeps/alpha/strcpy.S: Likewise.
* sysdeps/alpha/strlen.S: Likewise.
* sysdeps/alpha/strncat.S: Likewise.
* sysdeps/alpha/strncpy.S: Likewise.
* sysdeps/alpha/strrchr.S: Likewise.
* sysdeps/alpha/udiv_qrnnd.S: Likewise. Fix private labels.
Convert two small jumps to use conditional moves.
* sysdeps/unix/alpha/sysdep.h: Compress all __STDC__ nastiness.
(PSEUDO): If PROF, call _mcount.
* sysdeps/unix/sysv/linux/alpha/brk.S: If PROF, call _mcount.
* sysdeps/unix/sysv/linux/alpha/clone.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/llseek.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/sigsuspend.S: Likewise.
* sysdeps/unix/sysv/linux/alpha/syscall.S: Likewise.
* sysdeps/alpha/memcpy.S: New file. Odd layout because it should
eventually contain memmove as well.
* sysdeps/alpha/strcmp.S: New file.
* sysdeps/alpha/strncmp.S: New file.
* sysdeps/alpha/w_sqrt.S: New file.
Tue Nov 5 18:06:06 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/mach/hurd/ttyname_r.c: Use `size_t' for len variable.
Tue Nov 5 12:09:29 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdep/generic/sysdep.h: Define END only if not yet defined.
* sysdep/unix/sysdep.h: Define PSEUDO_END only if not yet defined.
Reported by Thomas Bushnell, n/BSG.
Mon Nov 4 22:46:53 1996 Ulrich Drepper <drepper@cygnus.com>
* manual/users.texi (Netgroup Data): Remove { } around @cindex.
Mon Nov 4 19:07:05 1996 Ulrich Drepper <drepper@cygnus.com>
* malloc/calloc.c: Check for overflow before trying to allocate
memory. Proposed by Neil Matthews <nm@adv.sbc.sony.co.jp>.
Fri Nov 1 18:18:32 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* manual/llio.texi (Operating Modes): Add missing arguments to
@deftypevr in O_NONBLOCK description.
* manual/time.texi (Time Zone Functions): Enclose type name in
braces in description of tzname. FIXME: this does not yet work
correctly in info.
Sun Nov 3 17:29:06 1996 Ulrich Drepper <drepper@cygnus.com>
* features.h: Add X/Open macros.
* posix/unistd.h: Define X/Open macros.
* sysdeps/generic/confname.h: Add _SC_XOPEN_XCU_VERSION,
_SC_XOPEN_UNIX, _SC_XOPEN_CRYPT, _SC_XOPEN_ENH_I18N,
_SC_XOPEN_SHM, _SC_2_CHAR_TERM, _SC_2_C_VERSION, and _SC_2_UPE.
* sysdeps/posix/sysconf.c: Handle new constants.
* sysdeps/stub/sysconf.c: Likewise.
* sysdeps/unix/sysv/linux/posix_opt.h: Add definition of _XOPEN_SHM.
* catgets/catgets.c (catopen): Set errno to ENOMEM when
we run out of memory.
(catgets): Set errno to EBADF when catalog handle is invalid.
Set errno to ENOMSG when translation is not available.
(catclose): Set errno to EBADF when catalog handle is invalid.
* ctype/ctype.h: Declare isascii and toascii when __USE_XOPEN.
Likewise for _toupper and _tolower.
* manual/arith.texi: Document strtoq, strtoll, strtouq, strtoull,
strtof, and strtold.
* manual/math.texi: Document HUGE_VALf and HUGE_VALl.
* manual/stdio.h: Document ' flag for numeric formats of scanf.
* manual/users.texi: Document that cuserid shouldn't be used.
* misc/Makefile (routines): Add dirname.
(headers): Add libgen.h.
(tests): Add tst-dirname.
* misc/dirname.c: New file.
* misc/libgen.h: New file.
* misc/tst-dirname.c: New file.
* misc/search.h: Parameter of hcreate must be of type size_t.
* misc/hsearch.c: Likewise.
* misc/hsearch_r.c: Likewise for hcreate_r.
* misc/search.h: Parameters of insque and remque must be `void *'.
* misc/insremque.c: Likewise.
* posix/unistd.h: Move declarations of mktemp and mkstemp to...
* stdlib/stdlib.h: ...here.
* posix/unistd.h [__USE_XOPEN]: Add prototypes for crypt, setkey,
encrypt, and swab.
* stdio-common/printf-parse.h (struct printf_spec): Add pa_wchar
and pa_wstring.
(parse_one_spec): Remove Linux compatibility code.
Recognize %C and %S formats.
* stdio-common/printf.h: Add PA_WCHAR and PA_WSTRING.
* stdio-common/vfprintf.c: Add implementation of %C and %S format.
* stdio-common/vfscanf.c: Likewise for scanf.
* stdlib/l64a.c: Return value for 0 must be the empty string.
* stdlib/stdlib.h: Declare reentrant function from rand49 family
only if __USE_REENTRANT.
Declare rand48 functions also if __USE_XOPEN.
* stdlib/strtol.c: Return 0 and set errno to EINVAL when BASE is
not a legal value.
Return 0 and set errno to EINVAL when strou* sees negativ number.
* stdlib/tst-strtol.c: De-ANSI-fy.
Change expected results for test of unsigned function and negative
input.
* string/stratcliff.c: Prevent warnings.
* string.h: Move declaration of swab to <unistd.h>.
* string/swab.c: De-ANSI-fy.
* sysdeps/posix/cuserid.c: Implement using getpwuid_r.
* sysdeps/posix/mkstemp.c: Include <stdlib.h> for prototype.
* sysdeps/posix/mktemp.c: Likewise.
* sysdeps/stub/mkstemp.c: Likewise.
* sysdeps/stub/mktemp.c: Likewise.
* sysvipc/sys/ipc.h: Prototypes of ftok have to be of types `const
char *' and `int'.
* sysvipc/ftok.c: Likewise. Make sure only lower 8 bits of
PROJ_ID are used.
Sun Nov 3 03:21:28 1996 Heiko Schroeder <Heiko.Schroeder@post.rwth-aachen.de>
* locale/programs/ld-numeric.c (numeric_output): Compute idx[0]
correctly.
Sat Nov 2 17:44:32 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/posix/cuserid.c: Use reentrant functions.
* manual/users.texi: Tell that cuserid is marked to be withdrawn in
XPG4.2.
Sat Nov 2 14:26:37 1996 Ulrich Drepper <drepper@cygnus.com>
Linus said he will make sure no system call will return a value
in -1 ... -4095 as a valid result.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Correct test for error.
* sysdeps/unix/sysv/linux/i386/syscall.S: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.
Sat Nov 2 16:54:49 1996 NIIBE Yutaka <gniibe@mri.co.jp>
* sysdeps/stub/lockfile.c [!USE_IN_LIBIO]: Define weak alias for
__funlockfile, not a circular alias.
Define __IO_ftrylockfile if USE_IN_LIBIO and __ftrylockfile if not,
not vice versa.
* sysdeps/unix/sysv/linux/i386/sysdep.S (__errno_location): Make
it a weak symbol.
* sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location): Likewise.
Likewise.
* crypt/Makefile (rpath-link): Extend search path to current directory.
Diffstat (limited to 'stdio-common/vfscanf.c')
-rw-r--r-- | stdio-common/vfscanf.c | 345 |
1 files changed, 272 insertions, 73 deletions
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c index 28f8ceb820..70d8bf0b18 100644 --- a/stdio-common/vfscanf.c +++ b/stdio-common/vfscanf.c @@ -1,20 +1,20 @@ /* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc. -This file is part of the GNU C Library. + This file is part of the GNU C Library. -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 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. + 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., 675 Mass Ave, -Cambridge, MA 02139, USA. */ + 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 "../locale/localeinfo.h" #include <errno.h> @@ -24,6 +24,7 @@ Cambridge, MA 02139, USA. */ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <wctype.h> #include <libc-lock.h> #ifdef __GNUC__ @@ -55,6 +56,12 @@ Cambridge, MA 02139, USA. */ # define va_list _IO_va_list # define ungetc(c, s) (--read_in, _IO_ungetc (c, s)) # define inchar() ((c = _IO_getc_unlocked (s)), (void) ++read_in, c) +# define encode_error() do { \ + if (errp != NULL) *errp |= 4; \ + _IO_funlockfile (s); \ + __set_errno (EILSEQ); \ + return done; \ + } while (0) # define conv_error() do { \ if (errp != NULL) *errp |= 2; \ _IO_funlockfile (s); \ @@ -88,6 +95,11 @@ Cambridge, MA 02139, USA. */ #else # define ungetc(c, s) (--read_in, ungetc (c, s)) # define inchar() ((c = getc (s)), (void) ++read_in, c) +# define encode_error() do { \ + _IO_funlockfile (s); \ + __set_errno (EILSEQ); \ + return done; \ + } while (0) # define conv_error() do { \ funlockfile (s); \ return done; \ @@ -173,6 +185,7 @@ __vfscanf (FILE *s, const char *format, va_list argptr) } num; /* Character-buffer pointer. */ char *str = NULL; + wchar_t *wstr = NULL; char **strptr = NULL; size_t strsize = 0; /* We must not react on white spaces immediately because they can @@ -435,40 +448,138 @@ __vfscanf (FILE *s, const char *format, va_list argptr) break; case 'c': /* Match characters. */ - if (!(flags & SUPPRESS)) + if ((flags & LONG) == 0) { - str = ARG (char *); - if (str == NULL) - conv_error (); - } + if (!(flags & SUPPRESS)) + { + str = ARG (char *); + if (str == NULL) + conv_error (); + } - c = inchar (); - if (c == EOF) - input_error (); + c = inchar (); + if (c == EOF) + input_error (); - if (width == -1) - width = 1; + if (width == -1) + width = 1; - if (!(flags & SUPPRESS)) - { - do - *str++ = c; - while (--width > 0 && inchar () != EOF); + if (!(flags & SUPPRESS)) + { + do + *str++ = c; + while (--width > 0 && inchar () != EOF); + } + else + while (--width > 0 && inchar () != EOF); + + if (width > 0) + /* I.e., EOF was read. */ + --read_in; + + if (!(flags & SUPPRESS)) + ++done; + + break; } - else - while (--width > 0 && inchar () != EOF); + /* FALLTHROUGH */ + case 'C': + /* Get UTF-8 encoded wide character. Here we assume (as in + other parts of the libc) that we only have to handle + UTF-8. */ + { + wint_t val; + size_t cnt = 0; + int first = 1; - if (width > 0) - /* I.e., EOF was read. */ - --read_in; + if (!(flags & SUPPRESS)) + { + wstr = ARG (wchar_t *); + if (str == NULL) + conv_error (); + } - if (!(flags & SUPPRESS)) - ++done; + do + { +#define NEXT_WIDE_CHAR(First) \ + c = inchar (); \ + if (c == EOF) \ + /* EOF is only an error for the first character. */ \ + if (First) \ + input_error (); \ + else \ + break; \ + val = c; \ + if (val >= 0x80) \ + { \ + if ((c & 0xc0) == 0x80 || (c & 0xfe) == 0xfe) \ + encode_error (); \ + if ((c & 0xe0) == 0xc0) \ + { \ + /* We expect two bytes. */ \ + cnt = 1; \ + val &= 0x1f; \ + } \ + else if ((c & 0xf0) == 0xe0) \ + { \ + /* We expect three bytes. */ \ + cnt = 2; \ + val &= 0x0f; \ + } \ + else if ((c & 0xf8) == 0xf0) \ + { \ + /* We expect four bytes. */ \ + cnt = 3; \ + val &= 0x07; \ + } \ + else if ((c & 0xfc) == 0xf8) \ + { \ + /* We expect five bytes. */ \ + cnt = 4; \ + val &= 0x03; \ + } \ + else \ + { \ + /* We expect six bytes. */ \ + cnt = 5; \ + val &= 0x01; \ + } \ + \ + do \ + { \ + c = inchar (); \ + if (c == EOF \ + || (c & 0xc0) == 0x80 || (c & 0xfe) == 0xfe) \ + encode_error (); \ + val <<= 6; \ + val |= c & 0x3f; \ + } \ + while (--cnt > 0); \ + } \ + \ + if (!(flags & SUPPRESS)) \ + *wstr++ = val; \ + first = 0 + + NEXT_WIDE_CHAR (first); + } + while (--width > 0); + if (width > 0) + /* I.e., EOF was read. */ + --read_in; + + if (!(flags & SUPPRESS)) + ++done; + } break; case 's': /* Read a string. */ -#define STRING_ARG \ + if (flags & LONG) + /* We have to process a wide character string. */ + goto wide_char_string; + +#define STRING_ARG(Str, Type) \ if (!(flags & SUPPRESS)) \ { \ if (flags & MALLOC) \ @@ -479,14 +590,15 @@ __vfscanf (FILE *s, const char *format, va_list argptr) conv_error (); \ /* Allocate an initial buffer. */ \ strsize = 100; \ - *strptr = str = malloc (strsize); \ + *strptr = malloc (strsize * sizeof (Type)); \ + Str = (Type *) *strptr; \ } \ else \ - str = ARG (char *); \ - if (str == NULL) \ + Str = ARG (Type *); \ + if (Str == NULL) \ conv_error (); \ } - STRING_ARG; + STRING_ARG (str, char); c = inchar (); if (c == EOF) @@ -499,43 +611,44 @@ __vfscanf (FILE *s, const char *format, va_list argptr) ungetc (c, s); break; } -#define STRING_ADD_CHAR(c) \ +#define STRING_ADD_CHAR(Str, c, Type) \ if (!(flags & SUPPRESS)) \ { \ - *str++ = c; \ - if ((flags & MALLOC) && str == *strptr + strsize) \ + *Str++ = c; \ + if ((flags & MALLOC) && (char *) Str == *strptr + strsize) \ { \ /* Enlarge the buffer. */ \ - str = realloc (*strptr, strsize * 2); \ - if (str == NULL) \ + Str = realloc (*strptr, strsize * 2 * sizeof (Type)); \ + if (Str == NULL) \ { \ /* Can't allocate that much. Last-ditch effort. */\ - str = realloc (*strptr, strsize + 1); \ - if (str == NULL) \ + Str = realloc (*strptr, \ + (strsize + 1) * sizeof (Type)); \ + if (Str == NULL) \ { \ /* We lose. Oh well. \ Terminate the string and stop converting, \ so at least we don't skip any input. */ \ - (*strptr)[strsize] = '\0'; \ + ((Type *) (*strptr))[strsize] = '\0'; \ ++done; \ conv_error (); \ } \ else \ { \ - *strptr = str; \ - str += strsize; \ + *strptr = (char *) Str; \ + Str = ((Type *) *strptr) + strsize; \ ++strsize; \ } \ } \ else \ { \ - *strptr = str; \ - str += strsize; \ + *strptr = (char *) Str; \ + Str = ((Type *) *strptr) + strsize; \ strsize *= 2; \ } \ } \ } - STRING_ADD_CHAR (c); + STRING_ADD_CHAR (str, c, char); } while ((width <= 0 || --width > 0) && inchar () != EOF); if (!(flags & SUPPRESS)) @@ -545,6 +658,43 @@ __vfscanf (FILE *s, const char *format, va_list argptr) } break; + case 'S': + /* Wide character string. */ + wide_char_string: + { + wint_t val; + int first = 1; + STRING_ARG (wstr, wchar_t); + + do + { + size_t cnt = 0; + NEXT_WIDE_CHAR (first); + + if (iswspace (val)) + { + /* XXX We would have to push back the whole wide char + with possibly many bytes. But since scanf does + not make a difference for white space characters + we can simply push back a simple <SP> which is + guaranteed to be in the [:space:] class. */ + ungetc (' ', s); + break; + } + + STRING_ADD_CHAR (wstr, val, wchar_t); + first = 0; + } + while (width <= 0 || --width > 0); + + if (!(flags & SUPPRESS)) + { + *wstr = L'\0'; + ++done; + } + } + break; + case 'x': /* Hexadecimal integer. */ case 'X': /* Ditto. */ base = 16; @@ -765,11 +915,19 @@ __vfscanf (FILE *s, const char *format, va_list argptr) break; case '[': /* Character class. */ - STRING_ARG; + if (flags & LONG) + { + STRING_ARG (wstr, wchar_t); + c = '\0'; /* This is to keep gcc quiet. */ + } + else + { + STRING_ARG (str, char); - c = inchar (); - if (c == EOF) - input_error (); + c = inchar (); + if (c == EOF) + input_error (); + } if (*f == '^') { @@ -814,31 +972,72 @@ __vfscanf (FILE *s, const char *format, va_list argptr) } if (fc == '\0') { - ungetc (c, s); + if (!(flags & LONG)) + ungetc (c, s); conv_error(); } - num.ul = read_in - 1; /* -1 because we already read one char. */ - do + if (flags & LONG) { - if (wp[c] == not_in) + wint_t val; + int first = 1; + + do { - ungetc (c, s); - break; + size_t cnt = 0; + NEXT_WIDE_CHAR (first); + if (val > 255 || wp[val] == not_in) + { + /* XXX We have a problem here. We read a wide + character and this possibly took several + bytes. But we can only push back one single + character. To be sure we don't create wrong + input we push it back only in case it is + representable within one byte. */ + if (val < 0x80) + ungetc (val, s); + break; + } + STRING_ADD_CHAR (wstr, val, wchar_t); + if (width > 0) + --width; + first = 0; } - STRING_ADD_CHAR (c); - if (width > 0) - --width; - } - while (width != 0 && inchar () != EOF); + while (width != 0); - if (read_in == num.ul) - conv_error (); + if (first) + conv_error (); - if (!(flags & SUPPRESS)) + if (!(flags & SUPPRESS)) + { + *wstr = L'\0'; + ++done; + } + } + else { - *str = '\0'; - ++done; + num.ul = read_in - 1; /* -1 because we already read one char. */ + do + { + if (wp[c] == not_in) + { + ungetc (c, s); + break; + } + STRING_ADD_CHAR (str, c, char); + if (width > 0) + --width; + } + while (width != 0 && inchar () != EOF); + + if (read_in == num.ul) + conv_error (); + + if (!(flags & SUPPRESS)) + { + *str = '\0'; + ++done; + } } break; |