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-rw-r--r--libc/stdio/scanf.c2268
1 files changed, 0 insertions, 2268 deletions
diff --git a/libc/stdio/scanf.c b/libc/stdio/scanf.c
deleted file mode 100644
index df78e7ad3..000000000
--- a/libc/stdio/scanf.c
+++ /dev/null
@@ -1,2268 +0,0 @@
-/* Copyright (C) 2002-2004 Manuel Novoa III
- *
- * This 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.
- *
- * 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
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/* Aug 1, 2003
- * New *scanf implementation with lots of bug fixes and *wscanf support.
- * Also now optionally supports hexadecimal float notation, positional
- * args, and glibc locale-specific digit grouping. Should now be
- * standards compliant.
- *
- * Aug 18, 2003
- * Bug fix: scanf %lc,%ls,%l[ would always set mb_fail on eof or error,
- * even when just starting a new mb char.
- * Bug fix: wscanf would incorrectly unget in certain situations.
- *
- * Sep 5, 2003
- * Bug fix: store flag wasn't respected if no positional args.
- * Implement vs{n}scanf for the non-buffered stdio no-wchar case.
- *
- * Sep 13, 2003
- * Bug fix: Fix a problem reported by Atsushi Nemoto <anemo@mba.ocn.ne.jp>
- * for environments where long and long long are the same.
- *
- * Sep 21, 2003
- * Ugh... EOF handling by scanf was completely broken. :-( Regretably,
- * I got my mind fixed in one mode and didn't comply with the standards.
- * Things should be fixed now, but comparision testing is difficult when
- * glibc's scanf is broken and they stubbornly refuse to even acknowledge
- * that it is... even when confronted by specific examples from the C99
- * standards and from an official C standard defect report.
- */
-
-#define _ISOC99_SOURCE /* for LLONG_MAX primarily... */
-#include <features.h>
-#include "_stdio.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <ctype.h>
-#include <string.h>
-#include <stdarg.h>
-#include <stdint.h>
-#include <errno.h>
-#include <printf.h>
-
-#ifdef __UCLIBC_HAS_WCHAR__
-#include <bits/uClibc_uwchar.h>
-#include <wchar.h>
-#include <wctype.h>
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
-#include <langinfo.h>
-#include <locale.h>
-
-#include <assert.h>
-#include <limits.h>
-
-#ifdef __UCLIBC_HAS_THREADS__
-#include <stdio_ext.h>
-#include <pthread.h>
-#endif /* __UCLIBC_HAS_THREADS__ */
-
-#ifdef __UCLIBC_HAS_FLOATS__
-#include <float.h>
-#include <bits/uClibc_fpmax.h>
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
-libc_hidden_proto(memcmp)
-libc_hidden_proto(memset)
-libc_hidden_proto(strcpy)
-libc_hidden_proto(strlen)
-libc_hidden_proto(ungetc)
-libc_hidden_proto(vfscanf)
-libc_hidden_proto(vsscanf)
-libc_hidden_proto(fclose)
-libc_hidden_proto(getc_unlocked)
-libc_hidden_proto(__fgetc_unlocked)
-#ifdef __UCLIBC_HAS_WCHAR__
-libc_hidden_proto(wcslen)
-libc_hidden_proto(vfwscanf)
-libc_hidden_proto(vswscanf)
-libc_hidden_proto(mbsrtowcs)
-libc_hidden_proto(mbrtowc)
-libc_hidden_proto(wcrtomb)
-libc_hidden_proto(ungetwc)
-libc_hidden_proto(iswspace)
-libc_hidden_proto(fgetwc_unlocked)
-#endif
-#ifdef __UCLIBC_HAS_XLOCALE__
-libc_hidden_proto(__ctype_b_loc)
-#else
-#ifdef __UCLIBC_HAS_LOCALE__
-libc_hidden_proto(__global_locale)
-#endif
-libc_hidden_proto(__ctype_b)
-#endif
-
-#ifdef __UCLIBC_HAS_SCANF_GLIBC_A_FLAG__
-#ifdef L_vfscanf
-/* only emit this once */
-#warning Forcing undef of __UCLIBC_HAS_SCANF_GLIBC_A_FLAG__ until implemented!
-#endif
-#undef __UCLIBC_HAS_SCANF_GLIBC_A_FLAG__
-#endif
-
-#undef __STDIO_HAS_VSSCANF
-#if defined(__STDIO_BUFFERS) || !defined(__UCLIBC_HAS_WCHAR__) || defined(__UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__)
-#define __STDIO_HAS_VSSCANF 1
-
-#if !defined(__STDIO_BUFFERS) && !defined(__UCLIBC_HAS_WCHAR__)
-typedef struct {
- FILE f;
- unsigned char *bufread; /* pointer to 1 past end of buffer */
- unsigned char *bufpos;
-} __FILE_vsscanf;
-#endif
-
-#endif
-
-extern void _store_inttype(void *dest, int desttype, uintmax_t val);
-
-#if defined(ULLONG_MAX) && (LLONG_MAX > LONG_MAX)
-
-extern unsigned long long
-_stdlib_strto_ll(register const char * __restrict str,
- char ** __restrict endptr, int base, int sflag);
-#if (ULLONG_MAX == UINTMAX_MAX)
-#define STRTOUIM(s,e,b,sf) _stdlib_strto_ll(s,e,b,sf)
-#endif
-
-#else /* defined(ULLONG_MAX) && (LLONG_MAX > LONG_MAX) */
-
-extern unsigned long
-_stdlib_strto_l(register const char * __restrict str,
- char ** __restrict endptr, int base, int sflag);
-
-#if (ULONG_MAX == UINTMAX_MAX)
-#define STRTOUIM(s,e,b,sf) _stdlib_strto_l(s,e,b,sf)
-#endif
-
-#endif /* defined(ULLONG_MAX) && (LLONG_MAX > LONG_MAX) */
-
-#ifndef STRTOUIM
-#error STRTOUIM conversion function is undefined!
-#endif
-
-/**********************************************************************/
-
-/* The standards require EOF < 0. */
-#if EOF >= CHAR_MIN
-#define __isdigit_char_or_EOF(C) __isdigit_char((C))
-#else
-#define __isdigit_char_or_EOF(C) __isdigit_int((C))
-#endif
-
-/**********************************************************************/
-#ifdef L_fscanf
-
-libc_hidden_proto(fscanf)
-int fscanf(FILE * __restrict stream, const char * __restrict format, ...)
-{
- va_list arg;
- int rv;
-
- va_start(arg, format);
- rv = vfscanf(stream, format, arg);
- va_end(arg);
-
- return rv;
-}
-libc_hidden_def(fscanf)
-
-#endif
-/**********************************************************************/
-#ifdef L_scanf
-
-int scanf(const char * __restrict format, ...)
-{
- va_list arg;
- int rv;
-
- va_start(arg, format);
- rv = vfscanf(stdin, format, arg);
- va_end(arg);
-
- return rv;
-}
-
-#endif
-/**********************************************************************/
-#ifdef L_sscanf
-
-#ifdef __STDIO_HAS_VSSCANF
-
-libc_hidden_proto(sscanf)
-int sscanf(const char * __restrict str, const char * __restrict format, ...)
-{
- va_list arg;
- int rv;
-
- va_start(arg, format);
- rv = vsscanf(str, format, arg);
- va_end(arg);
-
- return rv;
-}
-libc_hidden_def(sscanf)
-
-#else /* __STDIO_HAS_VSSCANF */
-#warning Skipping sscanf since no vsscanf!
-#endif /* __STDIO_HAS_VSSCANF */
-
-#endif
-/**********************************************************************/
-#ifdef L_vscanf
-
-libc_hidden_proto(vscanf)
-int vscanf(const char * __restrict format, va_list arg)
-{
- return vfscanf(stdin, format, arg);
-}
-libc_hidden_def(vscanf)
-
-#endif
-/**********************************************************************/
-#ifdef L_vsscanf
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning WISHLIST: Implement vsscanf for non-buf and no custom stream case.
-#endif /* __UCLIBC_MJN3_ONLY__ */
-
-#ifdef __STDIO_BUFFERS
-
-int vsscanf(__const char *sp, __const char *fmt, va_list ap)
-{
- FILE f;
-
-/* __STDIO_STREAM_RESET_GCS(&f); */
-#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
- f.__cookie = &(f.__filedes);
- f.__gcs.read = NULL;
- f.__gcs.write = NULL;
- f.__gcs.seek = NULL;
- f.__gcs.close = NULL;
-#endif
-
- f.__filedes = __STDIO_STREAM_FAKE_VSSCANF_FILEDES;
- f.__modeflags = (__FLAG_NARROW|__FLAG_READONLY|__FLAG_READING);
-
-#ifdef __UCLIBC_HAS_WCHAR__
- f.__ungot_width[0] = 0;
-#endif
-#ifdef __STDIO_MBSTATE
- __INIT_MBSTATE(&(f.__state));
-#endif
-
-#ifdef __UCLIBC_HAS_THREADS__
- f.__user_locking = 1; /* Set user locking. */
- __stdio_init_mutex(&f.__lock);
-#endif
- f.__nextopen = NULL;
-
- /* Set these last since __bufgetc initialization depends on
- * __user_locking and only gets set if user locking is on. */
- f.__bufstart =
- f.__bufpos = (unsigned char *) ((void *) sp);
- f.__bufread =
- f.__bufend = f.__bufstart + strlen(sp);
- __STDIO_STREAM_ENABLE_GETC(&f);
- __STDIO_STREAM_DISABLE_PUTC(&f);
-
- return vfscanf(&f, fmt, ap);
-}
-libc_hidden_def(vsscanf)
-
-#elif !defined(__UCLIBC_HAS_WCHAR__)
-
-int vsscanf(__const char *sp, __const char *fmt, va_list ap)
-{
- __FILE_vsscanf f;
-
- f.bufpos = (unsigned char *) ((void *) sp);
- f.bufread = f.bufpos + strlen(sp);
-
-/* __STDIO_STREAM_RESET_GCS(&f.f); */
-#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
- f.f.__cookie = &(f.f.__filedes);
- f.f.__gcs.read = NULL;
- f.f.__gcs.write = NULL;
- f.f.__gcs.seek = NULL;
- f.f.__gcs.close = NULL;
-#endif
-
- f.f.__filedes = __STDIO_STREAM_FAKE_VSSCANF_FILEDES_NB;
- f.f.__modeflags = (__FLAG_NARROW|__FLAG_READONLY|__FLAG_READING);
-
-/* #ifdef __UCLIBC_HAS_WCHAR__ */
-/* f.f.__ungot_width[0] = 0; */
-/* #endif */
-#ifdef __STDIO_MBSTATE
-#error __STDIO_MBSTATE is defined!
-/* __INIT_MBSTATE(&(f.f.__state)); */
-#endif
-
-#ifdef __UCLIBC_HAS_THREADS__
- f.f.__user_locking = 1; /* Set user locking. */
- __stdio_init_mutex(&f.f.__lock);
-#endif
- f.f.__nextopen = NULL;
-
- return vfscanf(&f.f, fmt, ap);
-}
-libc_hidden_def(vsscanf)
-
-#elif defined(__UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__)
-
-int vsscanf(__const char *sp, __const char *fmt, va_list ap)
-{
- FILE *f;
- int rv = EOF;
-
- if ((f = fmemopen((char *)sp, strlen(sp), "r")) != NULL) {
- rv = vfscanf(f, fmt, ap);
- fclose(f);
- }
-
- return rv;
-}
-libc_hidden_def(vsscanf)
-
-#else
-#warning Skipping vsscanf since no buffering, no custom streams, and wchar enabled!
-#ifdef __STDIO_HAS_VSSCANF
-#error WHOA! __STDIO_HAS_VSSCANF is defined!
-#endif
-#endif
-
-#endif
-/**********************************************************************/
-#ifdef L_fwscanf
-
-int fwscanf(FILE * __restrict stream, const wchar_t * __restrict format, ...)
-{
- va_list arg;
- int rv;
-
- va_start(arg, format);
- rv = vfwscanf(stream, format, arg);
- va_end(arg);
-
- return rv;
-}
-
-#endif
-/**********************************************************************/
-#ifdef L_wscanf
-
-int wscanf(const wchar_t * __restrict format, ...)
-{
- va_list arg;
- int rv;
-
- va_start(arg, format);
- rv = vfwscanf(stdin, format, arg);
- va_end(arg);
-
- return rv;
-}
-
-#endif
-/**********************************************************************/
-#ifdef L_swscanf
-
-#ifdef __STDIO_BUFFERS
-
-int swscanf(const wchar_t * __restrict str, const wchar_t * __restrict format,
- ...)
-{
- va_list arg;
- int rv;
-
- va_start(arg, format);
- rv = vswscanf(str, format, arg);
- va_end(arg);
-
- return rv;
-}
-#else /* __STDIO_BUFFERS */
-#warning Skipping swscanf since no buffering!
-#endif /* __STDIO_BUFFERS */
-
-#endif
-/**********************************************************************/
-#ifdef L_vwscanf
-
-int vwscanf(const wchar_t * __restrict format, va_list arg)
-{
- return vfwscanf(stdin, format, arg);
-}
-
-#endif
-/**********************************************************************/
-#ifdef L_vswscanf
-
-#ifdef __STDIO_BUFFERS
-
-int vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict format,
- va_list arg)
-{
- FILE f;
-
- f.__bufstart =
- f.__bufpos = (char *) str;
- f.__bufread =
- f.__bufend = (char *)(str + wcslen(str));
- __STDIO_STREAM_DISABLE_GETC(&f);
- __STDIO_STREAM_DISABLE_PUTC(&f);
-
-/* __STDIO_STREAM_RESET_GCS(&f); */
-#ifdef __UCLIBC_HAS_GLIBC_CUSTOM_STREAMS__
- f.__cookie = &(f.__filedes);
- f.__gcs.read = NULL;
- f.__gcs.write = NULL;
- f.__gcs.seek = NULL;
- f.__gcs.close = NULL;
-#endif
-
- f.__filedes = __STDIO_STREAM_FAKE_VSWSCANF_FILEDES;
- f.__modeflags = (__FLAG_WIDE|__FLAG_READONLY|__FLAG_READING);
-
-#ifdef __UCLIBC_HAS_WCHAR__
- f.__ungot_width[0] = 0;
-#endif /* __UCLIBC_HAS_WCHAR__ */
-#ifdef __STDIO_MBSTATE
- __INIT_MBSTATE(&(f.__state));
-#endif /* __STDIO_MBSTATE */
-
-#ifdef __UCLIBC_HAS_THREADS__
- f.__user_locking = 1; /* Set user locking. */
- __stdio_init_mutex(&f.__lock);
-#endif
- f.__nextopen = NULL;
-
- return vfwscanf(&f, format, arg);
-}
-libc_hidden_def(vswscanf)
-#else /* __STDIO_BUFFERS */
-#warning Skipping vswscanf since no buffering!
-#endif /* __STDIO_BUFFERS */
-
-#endif
-/**********************************************************************/
-/**********************************************************************/
-
-
-
-/* float layout 0123456789012345678901 repeat n for "l[" */
-#define SPEC_CHARS "npxXoudifFeEgGaACSncs["
-/* npxXoudif eEgG CS cs[ */
-
-/* NOTE: Ordering is important! In particular, CONV_LEFTBRACKET
- * must immediately precede CONV_c. */
-
-enum {
- CONV_n = 0,
- CONV_p,
- CONV_x, CONV_X, CONV_o, CONV_u, CONV_d, CONV_i,
- CONV_f, CONV_F, CONV_e, CONV_E, CONV_g, CONV_G, CONV_a, CONV_A,
- CONV_C, CONV_S, CONV_LEFTBRACKET, CONV_c, CONV_s, CONV_leftbracket,
- CONV_percent, CONV_whitespace /* not in SPEC_* and no flags */
-};
-
-#ifdef __UCLIBC_HAS_FLOATS__
-#ifdef __UCLIBC_HAS_HEXADECIMAL_FLOATS__
-/* p x X o u d i f F e E g G a A */
-#define SPEC_BASE { 16, 16, 16, 8, 10, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
-#else
-/* p x X o u d i f F e E g G a A */
-#define SPEC_BASE { 16, 16, 16, 8, 10, 10, 0, 10, 10, 10, 10, 10, 10, 10, 10 }
-#endif
-#else /* __UCLIBC_HAS_FLOATS__ */
-/* p x X o u d i f F e E g G a A */
-#define SPEC_BASE { 16, 16, 16, 8, 10, 10, 0 }
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#ifdef L_vfscanf
-/* emit once */
-#warning CONSIDER: Add a '0' flag to eat 0 padding when grouping?
-#endif
-#endif /* __UCLIBC_MJN3_ONLY__ */
-
-#define SPEC_FLAGS "*'I"
-
-enum {
- FLAG_SURPRESS = 0x10, /* MUST BE 1ST!! See DO_FLAGS. */
- FLAG_THOUSANDS = 0x20,
- FLAG_I18N = 0x40, /* only works for d, i, u */
- FLAG_MALLOC = 0x80, /* only works for s, S, and [ (and l[)*/
-};
-
-
-#define SPEC_RANGES { CONV_n, CONV_p, CONV_i, CONV_A, \
- CONV_C, CONV_LEFTBRACKET, \
- CONV_c, CONV_leftbracket }
-
-/* Note: We treat L and ll as synonymous... for ints and floats. */
-
-#define SPEC_ALLOWED_FLAGS { \
- /* n */ (0x0f|FLAG_SURPRESS), \
- /* p */ ( 0|FLAG_SURPRESS), \
- /* oxXudi */ (0x0f|FLAG_SURPRESS|FLAG_THOUSANDS|FLAG_I18N), \
- /* fFeEgGaA */ (0x0c|FLAG_SURPRESS|FLAG_THOUSANDS|FLAG_I18N), \
- /* C */ ( 0|FLAG_SURPRESS), \
- /* S and l[ */ ( 0|FLAG_SURPRESS|FLAG_MALLOC), \
- /* c */ (0x04|FLAG_SURPRESS), \
- /* s and [ */ (0x04|FLAG_SURPRESS|FLAG_MALLOC), \
-}
-
-
-/**********************************************************************/
-/*
- * In order to ease translation to what arginfo and _print_info._flags expect,
- * we map: 0:int 1:char 2:longlong 4:long 8:short
- * and then _flags |= (((q << 7) + q) & 0x701) and argtype |= (_flags & 0x701)
- */
-
-/* TODO -- Fix the table below to take into account stdint.h. */
-/* #ifndef LLONG_MAX */
-/* #error fix QUAL_CHARS for no long long! Affects 'L', 'j', 'q', 'll'. */
-/* #else */
-/* #if LLONG_MAX != INTMAX_MAX */
-/* #error fix QUAL_CHARS intmax_t entry 'j'! */
-/* #endif */
-/* #endif */
-
-#ifdef PDS
-#error PDS already defined!
-#endif
-#ifdef SS
-#error SS already defined!
-#endif
-#ifdef IMS
-#error IMS already defined!
-#endif
-
-#if PTRDIFF_MAX == INT_MAX
-#define PDS 0
-#elif PTRDIFF_MAX == LONG_MAX
-#define PDS 4
-#elif defined(LLONG_MAX) && (PTRDIFF_MAX == LLONG_MAX)
-#define PDS 8
-#else
-#error fix QUAL_CHARS ptrdiff_t entry 't'!
-#endif
-
-#if SIZE_MAX == UINT_MAX
-#define SS 0
-#elif SIZE_MAX == ULONG_MAX
-#define SS 4
-#elif defined(LLONG_MAX) && (SIZE_MAX == ULLONG_MAX)
-#define SS 8
-#else
-#error fix QUAL_CHARS size_t entries 'z', 'Z'!
-#endif
-
-#if INTMAX_MAX == INT_MAX
-#define IMS 0
-#elif INTMAX_MAX == LONG_MAX
-#define IMS 4
-#elif defined(LLONG_MAX) && (INTMAX_MAX == LLONG_MAX)
-#define IMS 8
-#else
-#error fix QUAL_CHARS ptrdiff_t entry 't'!
-#endif
-
-#define QUAL_CHARS { \
- /* j:(u)intmax_t z:(s)size_t t:ptrdiff_t \0:int q:long_long */ \
- 'h', 'l', 'L', 'j', 'z', 't', 'q', 0, \
- 2, 4, 8, IMS, SS, PDS, 8, 0, /* TODO -- fix!!! */\
- 1, 8 }
-
-
-/**********************************************************************/
-
-#ifdef L_vfwscanf
-#if WINT_MIN > EOF
-#error Unfortunately, we currently need wint_t to be able to store EOF. Sorry.
-#endif
-#define W_EOF WEOF
-#define Wint wint_t
-#define Wchar wchar_t
-#define Wuchar __uwchar_t
-#define ISSPACE(C) iswspace((C))
-#define VFSCANF vfwscanf
-#define GETC(SC) (SC)->sc_getc((SC))
-#else
-typedef unsigned char __uchar_t;
-#define W_EOF EOF
-#define Wint int
-#define Wchar char
-#define Wuchar __uchar_t
-#define ISSPACE(C) isspace((C))
-#define VFSCANF vfscanf
-#ifdef __UCLIBC_HAS_WCHAR__
-#define GETC(SC) (SC)->sc_getc((SC))
-#else /* __UCLIBC_HAS_WCHAR__ */
-#define GETC(SC) getc_unlocked((SC)->fp)
-#endif /* __UCLIBC_HAS_WCHAR__ */
-#endif
-
-struct scan_cookie {
- Wint cc;
- Wint ungot_char;
- FILE *fp;
- int nread;
- int width;
-
-#ifdef __UCLIBC_HAS_WCHAR__
- wchar_t app_ungot; /* Match FILE struct member type. */
- unsigned char ungot_wchar_width;
-#else /* __UCLIBC_HAS_WCHAR__ */
- unsigned char app_ungot; /* Match FILE struct member type. */
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
- char ungot_flag;
-
-#ifdef __UCLIBC_HAS_WCHAR__
- char ungot_wflag; /* vfwscanf */
- char mb_fail; /* vfscanf */
- mbstate_t mbstate; /* vfscanf */
- wint_t wc;
- wint_t ungot_wchar; /* to support __scan_getc */
- int (*sc_getc)(struct scan_cookie *);
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
- const char *grouping;
- const unsigned char *thousands_sep;
- int tslen;
-#ifdef __UCLIBC_HAS_WCHAR__
- wchar_t thousands_sep_wc;
-#endif /* __UCLIBC_HAS_WCHAR__ */
-#endif /* __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__ */
-
-#ifdef __UCLIBC_HAS_FLOATS__
- const unsigned char *decpt;
- int decpt_len;
-#ifdef __UCLIBC_HAS_WCHAR__
- wchar_t decpt_wc;
-#endif /* __UCLIBC_HAS_WCHAR__ */
- const unsigned char *fake_decpt;
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
-};
-
-typedef struct {
-#if defined(NL_ARGMAX) && (NL_ARGMAX > 0)
-#if NL_ARGMAX > 10
-#warning NL_ARGMAX > 10, and space is allocated on the stack for positional args.
-#endif
- void *pos_args[NL_ARGMAX];
- int num_pos_args; /* Must start at -1. */
- int cur_pos_arg;
-#endif /* defined(NL_ARGMAX) && (NL_ARGMAX > 0) */
- void *cur_ptr;
- const unsigned char *fmt;
- int cnt, dataargtype, conv_num, max_width;
- unsigned char store, flags;
-} psfs_t; /* parse scanf format state */
-
-
-/**********************************************************************/
-/**********************************************************************/
-
-extern void __init_scan_cookie(register struct scan_cookie *sc,
- register FILE *fp) attribute_hidden;
-extern int __scan_getc(register struct scan_cookie *sc) attribute_hidden;
-extern void __scan_ungetc(register struct scan_cookie *sc) attribute_hidden;
-
-#ifdef __UCLIBC_HAS_FLOATS__
-extern int __scan_strtold(long double *ld, struct scan_cookie *sc);
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
-extern int __psfs_parse_spec(psfs_t *psfs) attribute_hidden;
-extern int __psfs_do_numeric(psfs_t *psfs, struct scan_cookie *sc) attribute_hidden;
-
-/**********************************************************************/
-#ifdef L___scan_cookie
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning TODO: Remove dependence on decpt_str and fake_decpt in stub locale mode.
-#endif
-#ifndef __UCLIBC_HAS_LOCALE__
-static const char decpt_str[] = ".";
-#endif
-
-void attribute_hidden __init_scan_cookie(register struct scan_cookie *sc,
- register FILE *fp)
-{
- sc->fp = fp;
- sc->nread = 0;
- sc->ungot_flag = 0;
- sc->app_ungot = ((fp->__modeflags & __FLAG_UNGOT) ? fp->__ungot[1] : 0);
-#ifdef __UCLIBC_HAS_WCHAR__
- sc->ungot_wflag = 0; /* vfwscanf */
- sc->mb_fail = 0;
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
- if (*(sc->grouping = __UCLIBC_CURLOCALE_DATA.grouping)) {
- sc->thousands_sep = __UCLIBC_CURLOCALE_DATA.thousands_sep;
- sc->tslen = __UCLIBC_CURLOCALE_DATA.thousands_sep_len;
-#ifdef __UCLIBC_HAS_WCHAR__
- sc->thousands_sep_wc = __UCLIBC_CURLOCALE_DATA.thousands_sep_wc;
-#endif /* __UCLIBC_HAS_WCHAR__ */
- }
-#endif /* __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__ */
-
-#ifdef __UCLIBC_HAS_FLOATS__
-#ifdef __UCLIBC_HAS_LOCALE__
- sc->decpt = __UCLIBC_CURLOCALE_DATA.decimal_point;
- sc->decpt_len = __UCLIBC_CURLOCALE_DATA.decimal_point_len;
-#else /* __UCLIBC_HAS_LOCALE__ */
- sc->fake_decpt = sc->decpt = decpt_str;
- sc->decpt_len = 1;
-#endif /* __UCLIBC_HAS_LOCALE__ */
-#ifdef __UCLIBC_HAS_WCHAR__
-#ifdef __UCLIBC_HAS_LOCALE__
- sc->decpt_wc = __UCLIBC_CURLOCALE_DATA.decimal_point_wc;
-#else
- sc->decpt_wc = '.';
-#endif
-#endif /* __UCLIBC_HAS_WCHAR__ */
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
-}
-
-int attribute_hidden __scan_getc(register struct scan_cookie *sc)
-{
- int c;
-
-#ifdef __UCLIBC_HAS_WCHAR__
- assert(!sc->mb_fail);
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
- sc->cc = EOF;
-
- if (--sc->width < 0) {
- sc->ungot_flag |= 2;
- return -1;
- }
-
- if (sc->ungot_flag == 0) {
-#if !defined(__STDIO_BUFFERS) && !defined(__UCLIBC_HAS_WCHAR__)
- if (!__STDIO_STREAM_IS_FAKE_VSSCANF_NB(sc->fp)) {
- c = GETC(sc);
- } else {
- __FILE_vsscanf *fv = (__FILE_vsscanf *)(sc->fp);
- if (fv->bufpos < fv->bufread) {
- c = *fv->bufpos++;
- } else {
- c = EOF;
- sc->fp->__modeflags |= __FLAG_EOF;
- }
- }
- if (c == EOF) {
- sc->ungot_flag |= 2;
- return -1;
- }
-#else
- if ((c = GETC(sc)) == EOF) {
- sc->ungot_flag |= 2;
- return -1;
- }
-#endif
- sc->ungot_char = c;
- } else {
- assert(sc->ungot_flag == 1);
- sc->ungot_flag = 0;
- }
-
- ++sc->nread;
- return sc->cc = sc->ungot_char;
-}
-
-void attribute_hidden __scan_ungetc(register struct scan_cookie *sc)
-{
- ++sc->width;
- if (sc->ungot_flag == 2) { /* last was EOF */
- sc->ungot_flag = 0;
- sc->cc = sc->ungot_char;
- } else if (sc->ungot_flag == 0) {
- sc->ungot_flag = 1;
- --sc->nread;
- } else {
- assert(0);
- }
-}
-
-#endif
-/**********************************************************************/
-#ifdef L___psfs_parse_spec
-
-#ifdef SPEC_FLAGS
-static const unsigned char spec_flags[] = SPEC_FLAGS;
-#endif /* SPEC_FLAGS */
-static const unsigned char spec_chars[] = SPEC_CHARS;
-static const unsigned char qual_chars[] = QUAL_CHARS;
-static const unsigned char spec_ranges[] = SPEC_RANGES;
-static const unsigned short spec_allowed[] = SPEC_ALLOWED_FLAGS;
-
-int attribute_hidden __psfs_parse_spec(register psfs_t *psfs)
-{
- const unsigned char *p;
- const unsigned char *fmt0 = psfs->fmt;
- int i;
-#ifdef SPEC_FLAGS
- int j;
-#endif
-#if defined(NL_ARGMAX) && (NL_ARGMAX > 0)
- unsigned char fail = 0;
-
- i = 0; /* Do this here to avoid a warning. */
-
- if (!__isdigit_char(*psfs->fmt)) { /* Not a positional arg. */
- fail = 1;
- goto DO_FLAGS;
- }
-
- /* parse the positional arg (or width) value */
- do {
- if (i <= ((INT_MAX - 9)/10)) {
- i = (i * 10) + (*psfs->fmt++ - '0');
- }
- } while (__isdigit_char(*psfs->fmt));
-
- if (*psfs->fmt != '$') { /* This is a max field width. */
- if (psfs->num_pos_args >= 0) { /* Already saw a pos arg! */
- goto ERROR_EINVAL;
- }
- psfs->max_width = i;
- psfs->num_pos_args = -2;
- goto DO_QUALIFIER;
- }
- ++psfs->fmt; /* Advance past '$'. */
-#endif /* defined(NL_ARGMAX) && (NL_ARGMAX > 0) */
-
-#if defined(SPEC_FLAGS) || (defined(NL_ARGMAX) && (NL_ARGMAX > 0))
- DO_FLAGS:
-#endif /* defined(SPEC_FLAGS) || (defined(NL_ARGMAX) && (NL_ARGMAX > 0)) */
-#ifdef SPEC_FLAGS
- p = spec_flags;
- j = FLAG_SURPRESS;
- do {
- if (*p == *psfs->fmt) {
- ++psfs->fmt;
- psfs->flags |= j;
- goto DO_FLAGS;
- }
- j += j;
- } while (*++p);
-
- if (psfs->flags & FLAG_SURPRESS) { /* Suppress assignment. */
- psfs->store = 0;
- goto DO_WIDTH;
- }
-#else /* SPEC_FLAGS */
- if (*psfs->fmt == '*') { /* Suppress assignment. */
- ++psfs->fmt;
- psfs->store = 0;
- goto DO_WIDTH;
- }
-#endif /* SPEC_FLAGS */
-
-
-#if defined(NL_ARGMAX) && (NL_ARGMAX > 0)
- if (fail) {
- /* Must be a non-positional arg */
- if (psfs->num_pos_args >= 0) { /* Already saw a pos arg! */
- goto ERROR_EINVAL;
- }
- psfs->num_pos_args = -2;
- } else {
- if ((psfs->num_pos_args == -2) || (((unsigned int)(--i)) >= NL_ARGMAX)) {
- /* Already saw a non-pos arg or (0-based) num too large. */
- goto ERROR_EINVAL;
- }
- psfs->cur_pos_arg = i;
- }
-#endif /* defined(NL_ARGMAX) && (NL_ARGMAX > 0) */
-
- DO_WIDTH:
- for (i = 0 ; __isdigit_char(*psfs->fmt) ; ) {
- if (i <= ((INT_MAX - 9)/10)) {
- i = (i * 10) + (*psfs->fmt++ - '0');
- psfs->max_width = i;
- }
- }
-
-#if defined(NL_ARGMAX) && (NL_ARGMAX > 0)
- DO_QUALIFIER:
-#endif /* defined(NL_ARGMAX) && (NL_ARGMAX > 0) */
- p = qual_chars;
- do {
- if (*psfs->fmt == *p) {
- ++psfs->fmt;
- break;
- }
- } while (*++p);
- if ((p - qual_chars < 2) && (*psfs->fmt == *p)) {
- p += ((sizeof(qual_chars)-2) / 2);
- ++psfs->fmt;
- }
- psfs->dataargtype = ((int)(p[(sizeof(qual_chars)-2) / 2])) << 8;
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning CONSIDER: Should we validate that psfs->max_width > 0 in __psfs_parse_spec()? It would avoid whitespace consumption...
-#warning CONSIDER: Should INT_MAX be a valid width (%c/%C)? See __psfs_parse_spec().
-#endif /* __UCLIBC_MJN3_ONLY__ */
-
- p = spec_chars;
- do {
- if (*psfs->fmt == *p) {
- int p_m_spec_chars = p - spec_chars;
-
-#ifdef __UCLIBC_HAS_SCANF_GLIBC_A_FLAG__
-#error implement gnu a flag
- if ((*p == 'a')
- && ((psfs->fmt[1] == '[') || ((psfs->fmt[1]|0x20) == 's'))
- ) { /* Assumes ascii for 's' and 'S' test. */
- psfs->flags |= FLAG_MALLOC;
- ++psfs->fmt;
- ++p;
- continue; /* The related conversions follow 'a'. */
- }
-#endif /* __UCLIBC_HAS_SCANF_GLIBC_A_FLAG__ */
-
- for (p = spec_ranges; p_m_spec_chars > *p ; ++p) {}
- if (((psfs->dataargtype >> 8) | psfs->flags)
- & ~spec_allowed[(int)(p - spec_ranges)]
- ) {
- goto ERROR_EINVAL;
- }
-
- if ((p_m_spec_chars >= CONV_c)
- && (psfs->dataargtype & PA_FLAG_LONG)) {
- p_m_spec_chars -= 3; /* lc -> C, ls -> S, l[ -> ?? */
- }
-
- psfs->conv_num = p_m_spec_chars;
- return psfs->fmt - fmt0;
- }
- if (!*++p) {
- ERROR_EINVAL:
- __set_errno(EINVAL);
- return -1;
- }
- } while(1);
-
- assert(0);
-}
-
-#endif
-/**********************************************************************/
-#if defined(L_vfscanf) || defined(L_vfwscanf)
-
-#ifdef __UCLIBC_HAS_WCHAR__
-#ifdef L_vfscanf
-static int sc_getc(register struct scan_cookie *sc)
-{
- return (getc_unlocked)(sc->fp); /* Disable the macro. */
-}
-
-static int scan_getwc(register struct scan_cookie *sc)
-{
- size_t r;
- int width;
- wchar_t wc[1];
- char b[1];
-
- if (--sc->width < 0) {
- sc->ungot_flag |= 2;
- return -1;
- }
-
- width = sc->width; /* Preserve width. */
- sc->width = INT_MAX; /* MB_CUR_MAX can invoke a function. */
-
- assert(!sc->mb_fail);
-
- r = (size_t)(-3);
- while (__scan_getc(sc) >= 0) {
- *b = sc->cc;
-
- r = mbrtowc(wc, b, 1, &sc->mbstate);
- if (((ssize_t) r) >= 0) { /* Successful completion of a wc. */
- sc->wc = *wc;
- goto SUCCESS;
- } else if (r == ((size_t) -2)) {
- /* Potentially valid but incomplete. */
- continue;
- }
- break;
- }
-
- if (r == ((size_t)(-3))) { /* EOF or ERROR on first read */
- sc->wc = WEOF;
- r = (size_t)(-1);
- } else {
- /* If we reach here, either r == ((size_t)-1) and
- * mbrtowc set errno to EILSEQ, or r == ((size_t)-2)
- * and stream is in an error state or at EOF with a
- * partially complete wchar. */
- __set_errno(EILSEQ); /* In case of incomplete conversion. */
- sc->mb_fail = 1;
- }
-
- SUCCESS:
- sc->width = width; /* Restore width. */
-
- return (int)((ssize_t) r);
-}
-
-#endif /* L_vfscanf */
-
-#ifdef L_vfwscanf
-
-/* This gets called by __scan_getc. __scan_getc is called by vfwscanf
- * when the next wide char is expected to be valid ascii (digits).
- */
-static int sc_getc(register struct scan_cookie *sc)
-{
- wint_t wc;
-
- if (__STDIO_STREAM_IS_FAKE_VSWSCANF(sc->fp)) {
- if (sc->fp->__bufpos < sc->fp->__bufend) {
- wc = *((wchar_t *)(sc->fp->__bufpos));
- sc->fp->__bufpos += sizeof(wchar_t);
- } else {
- sc->fp->__modeflags |= __FLAG_EOF;
- return EOF;
- }
- } else if ((wc = fgetwc_unlocked(sc->fp)) == WEOF) {
- return EOF;
- }
-
- sc->ungot_wflag = 1;
- sc->ungot_wchar = wc;
- sc->ungot_wchar_width = sc->fp->__ungot_width[0];
-
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
- if (wc == sc->thousands_sep_wc) {
- wc = ',';
- } else
-#endif /* __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__ */
-#ifdef __UCLIBC_HAS_FLOATS__
- if (wc == sc->decpt_wc) {
- wc = '.';
- } else
-#endif /* __UCLIBC_HAS_FLOATS__ */
- if (!__isascii(wc)) {
- wc = '?';
- }
- sc->wc = sc->ungot_char = wc;
-
- return (int) wc;
-}
-
-static int scan_getwc(register struct scan_cookie *sc)
-{
- wint_t wc;
-
- sc->wc = WEOF;
-
- if (--sc->width < 0) {
- sc->ungot_flag |= 2;
- return -1;
- }
-
- if (sc->ungot_flag == 0) {
- if (__STDIO_STREAM_IS_FAKE_VSWSCANF(sc->fp)) {
- if (sc->fp->__bufpos < sc->fp->__bufend) {
- wc = *((wchar_t *)(sc->fp->__bufpos));
- sc->fp->__bufpos += sizeof(wchar_t);
- } else {
- sc->ungot_flag |= 2;
- return -1;
- }
- } else if ((wc = fgetwc_unlocked(sc->fp)) == WEOF) {
- sc->ungot_flag |= 2;
- return -1;
- }
- sc->ungot_wflag = 1;
- sc->ungot_char = wc;
- sc->ungot_wchar_width = sc->fp->__ungot_width[0];
- } else {
- assert(sc->ungot_flag == 1);
- sc->ungot_flag = 0;
- }
-
- ++sc->nread;
- sc->wc = sc->ungot_char;
-
- return 0;
-}
-
-
-#endif /* L_vfwscanf */
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
-static __inline void kill_scan_cookie(register struct scan_cookie *sc)
-{
-#ifdef L_vfscanf
-
- if (sc->ungot_flag & 1) {
-#if !defined(__STDIO_BUFFERS) && !defined(__UCLIBC_HAS_WCHAR__)
- if (!__STDIO_STREAM_IS_FAKE_VSSCANF_NB(sc->fp)) {
- ungetc(sc->ungot_char, sc->fp);
- }
-#else
- ungetc(sc->ungot_char, sc->fp);
-#endif
- /* Deal with distiction between user and scanf ungots. */
- if (sc->nread == 0) { /* Only one char was read... app ungot? */
- sc->fp->__ungot[1] = sc->app_ungot; /* restore ungot state. */
- } else {
- sc->fp->__ungot[1] = 0;
- }
- }
-
-#else
-
- if ((sc->ungot_flag & 1) && (sc->ungot_wflag & 1)
- && !__STDIO_STREAM_IS_FAKE_VSWSCANF(sc->fp)
- && (sc->fp->__state.__mask == 0)
- ) {
- ungetwc(sc->ungot_char, sc->fp);
- /* Deal with distiction between user and scanf ungots. */
- if (sc->nread == 0) { /* Only one char was read... app ungot? */
- sc->fp->__ungot[1] = sc->app_ungot; /* restore ungot state. */
- } else {
- sc->fp->__ungot[1] = 0;
- }
- sc->fp->__ungot_width[1] = sc->ungot_wchar_width;
- }
-
-#endif
-}
-
-#ifdef L_vfwscanf
-#ifdef __UCLIBC_HAS_FLOATS__
-static const char fake_decpt_str[] = ".";
-#endif
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
-static const char fake_thousands_sep_str[] = ",";
-#endif
-#endif /* L_vfwscanf */
-
-
-int VFSCANF (FILE *__restrict fp, const Wchar *__restrict format, va_list arg)
-{
- const Wuchar *fmt;
- unsigned char *b;
-
-
-#ifdef L_vfwscanf
- wchar_t wbuf[1];
- wchar_t *wb;
-#endif /* L_vfwscanf */
-
-#if defined(__UCLIBC_HAS_LOCALE__) && !defined(L_vfwscanf) || !defined(L_vfscanf)
- mbstate_t mbstate;
-#endif
-
- struct scan_cookie sc;
- psfs_t psfs;
-
- int i;
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning TODO: Fix MAX_DIGITS. We do not do binary, so...!
-#endif
-#define MAX_DIGITS 65 /* Allow one leading 0. */
- unsigned char buf[MAX_DIGITS+2];
-#ifdef L_vfscanf
- unsigned char scanset[UCHAR_MAX + 1];
- unsigned char invert; /* Careful! Meaning changes. */
-#endif /* L_vfscanf */
- unsigned char fail;
- unsigned char zero_conversions = 1;
- __STDIO_AUTO_THREADLOCK_VAR;
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning TODO: Make checking of the format string in C locale an option.
-#endif
- /* To support old programs, don't check mb validity if in C locale. */
-#if defined(__UCLIBC_HAS_LOCALE__) && !defined(L_vfwscanf)
- /* ANSI/ISO C99 requires format string to be a valid multibyte string
- * beginning and ending in its initial shift state. */
- if (((__UCLIBC_CURLOCALE_DATA).encoding) != __ctype_encoding_7_bit) {
- const char *p = format;
- mbstate.__mask = 0; /* Initialize the mbstate. */
- if (mbsrtowcs(NULL, &p, SIZE_MAX, &mbstate) == ((size_t)(-1))) {
- __set_errno(EINVAL); /* Format string is invalid. */
- return 0;
- }
- }
-#endif /* defined(__UCLIBC_HAS_LOCALE__) && !defined(L_vfwscanf) */
-
-#if defined(NL_ARGMAX) && (NL_ARGMAX > 0)
- psfs.num_pos_args = -1; /* Must start at -1. */
- /* Initialize positional arg ptrs to NULL. */
- memset(psfs.pos_args, 0, sizeof(psfs.pos_args));
-#endif /* defined(NL_ARGMAX) && (NL_ARGMAX > 0) */
-
- __STDIO_AUTO_THREADLOCK(fp);
-
- __STDIO_STREAM_VALIDATE(fp);
-
- __init_scan_cookie(&sc,fp);
-#ifdef __UCLIBC_HAS_WCHAR__
- sc.sc_getc = sc_getc;
- sc.ungot_wchar_width = sc.fp->__ungot_width[1];
-
-#ifdef L_vfwscanf
-
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
- if (*sc.grouping) {
- sc.thousands_sep = fake_thousands_sep_str;
- sc.tslen = 1;
- }
-#endif /* __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__ */
-
-#ifdef __UCLIBC_HAS_FLOATS__
- sc.fake_decpt = fake_decpt_str;
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
-#else /* L_vfwscanf */
-
-#ifdef __UCLIBC_HAS_FLOATS__
- sc.fake_decpt = sc.decpt;
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
-#endif /* L_vfwscanf */
-
-#endif /* __UCLIBC_HAS_WCHAR__ */
- psfs.cnt = 0;
-
- /* Note: If we ever wanted to support non-nice codesets, we
- * would really need to do a mb->wc conversion here in the
- * vfscanf case. Related changes would have to be made in
- * the code that follows... basicly wherever fmt appears. */
- for (fmt = (const Wuchar *) format ; *fmt ; /* ++fmt */) {
-
- psfs.store = 1;
- psfs.flags = 0;
-#ifndef NDEBUG
- psfs.cur_ptr = NULL; /* Debugging aid. */
-#endif /* NDEBUG */
-
-
- sc.ungot_flag &= 1; /* Clear (possible fake) EOF. */
- sc.width = psfs.max_width = INT_MAX;
-
- /* Note: According to the standards, vfscanf does use isspace
- * here. So, if we did a mb->wc conversion, we would have to do
- * something like
- * ((((__uwchar_t)wc) < UCHAR_MAX) && isspace(wc))
- * because wc might not be in the allowed domain. */
- if (ISSPACE(*fmt)) {
- do {
- ++fmt;
- } while (ISSPACE(*fmt));
- --fmt;
- psfs.conv_num = CONV_whitespace;
- goto DO_WHITESPACE;
- }
-
- if (*fmt == '%') { /* Conversion specification. */
- if (*++fmt == '%') { /* Remember, '%' eats whitespace too. */
- /* Note: The standard says no conversion occurs.
- * So do not reset zero_conversions flag. */
- psfs.conv_num = CONV_percent;
- goto DO_CONVERSION;
- }
-
-
-#ifdef L_vfscanf
- psfs.fmt = fmt;
-#else /* L_vfscanf */
- {
- const __uwchar_t *wf = fmt;
- psfs.fmt = b = buf;
-
- while (*wf && __isascii(*wf) && (b < buf + sizeof(buf) - 1)) {
- *b++ = *wf++;
- }
-#ifdef __UCLIBC_HAS_SCANF_GLIBC_A_FLAG__
-#error this is wrong... we need to ched in __psfs_parse_spec instead since this checks last char in buffer and conversion my have stopped before it.
- if ((*b == 'a') && ((*wf == '[') || ((*wf|0x20) == 's'))) {
- goto DONE; /* Spec was excessively long. */
- }
-#endif /* __UCLIBC_HAS_SCANF_GLIBC_A_FLAG__ */
- *b = 0;
- if (b == buf) { /* Bad conversion specifier! */
- goto DONE;
- }
- }
-#endif /* L_vfscanf */
- if ((i = __psfs_parse_spec(&psfs)) < 0) { /* Bad conversion specifier! */
- goto DONE;
- }
- fmt += i;
-
- if (psfs.store) {
-#if defined(NL_ARGMAX) && (NL_ARGMAX > 0)
- if (psfs.num_pos_args == -2) {
- psfs.cur_ptr = va_arg(arg, void *);
- } else {
- while (psfs.cur_pos_arg > psfs.num_pos_args) {
- psfs.pos_args[++psfs.num_pos_args] = va_arg(arg, void *);
- }
- psfs.cur_ptr = psfs.pos_args[psfs.cur_pos_arg];
- }
-#else /* defined(NL_ARGMAX) && (NL_ARGMAX > 0) */
- psfs.cur_ptr = va_arg(arg, void *);
-#endif /* defined(NL_ARGMAX) && (NL_ARGMAX > 0) */
- }
-
- DO_CONVERSION:
- /* First, consume white-space if not n, c, [, C, or l[. */
- if ((((1L << CONV_n)|(1L << CONV_C)|(1L << CONV_c)
- |(1L << CONV_LEFTBRACKET)|(1L << CONV_leftbracket))
- & (1L << psfs.conv_num)) == 0
- ) {
- DO_WHITESPACE:
- while ((__scan_getc(&sc) >= 0)
-#ifdef L_vfscanf
- && isspace(sc.cc)
-#else /* L_vfscanf */
- && iswspace(sc.wc)
-#endif /* L_vfscanf */
- ) {}
- __scan_ungetc(&sc);
- if (psfs.conv_num == CONV_whitespace) {
- goto NEXT_FMT;
- }
- }
-
- sc.width = psfs.max_width; /* Now limit the max width. */
-
- if (sc.width == 0) { /* 0 width is forbidden. */
- goto DONE;
- }
-
-
- if (psfs.conv_num == CONV_percent) {
- goto MATCH_CHAR;
- }
-
- if (psfs.conv_num == CONV_n) {
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning CONSIDER: Should %n count as a conversion as far as EOF return value?
-#endif
-/* zero_conversions = 0; */
- if (psfs.store) {
- _store_inttype(psfs.cur_ptr, psfs.dataargtype,
- (uintmax_t) sc.nread);
- }
- goto NEXT_FMT;
- }
-
- if (psfs.conv_num <= CONV_A) { /* pointer, integer, or float spec */
- int r = __psfs_do_numeric(&psfs, &sc);
-#ifndef L_vfscanf
- if (sc.ungot_wflag == 1) { /* fix up '?', '.', and ',' hacks */
- sc.cc = sc.ungot_char = sc.ungot_wchar;
- }
-#endif
- if (r != -1) { /* Either success or a matching failure. */
- zero_conversions = 0;
- }
- if (r < 0) {
- goto DONE;
- }
- goto NEXT_FMT;
- }
-
- /* Do string conversions here since they are not common code. */
-
-
-#ifdef L_vfscanf
-
- if
-#ifdef __UCLIBC_HAS_WCHAR__
- (psfs.conv_num >= CONV_LEFTBRACKET)
-#else /* __UCLIBC_HAS_WCHAR__ */
- (psfs.conv_num >= CONV_c)
-#endif /* __UCLIBC_HAS_WCHAR__ */
- {
- b = (psfs.store ? ((unsigned char *) psfs.cur_ptr) : buf);
- fail = 1;
-
-
- if (psfs.conv_num == CONV_c) {
- if (sc.width == INT_MAX) {
- sc.width = 1;
- }
-
- while (__scan_getc(&sc) >= 0) {
- zero_conversions = 0;
- *b = sc.cc;
- b += psfs.store;
- }
- __scan_ungetc(&sc);
- if (sc.width > 0) { /* Failed to read all required. */
- goto DONE;
- }
- psfs.cnt += psfs.store;
- goto NEXT_FMT;
- }
-
- if (psfs.conv_num == CONV_s) {
- /* Yes, believe it or not, a %s conversion can store nuls. */
- while ((__scan_getc(&sc) >= 0) && !isspace(sc.cc)) {
- zero_conversions = 0;
- *b = sc.cc;
- b += psfs.store;
- fail = 0;
- }
- } else {
-#ifdef __UCLIBC_HAS_WCHAR__
- assert((psfs.conv_num == CONV_LEFTBRACKET) || \
- (psfs.conv_num == CONV_leftbracket));
-#else /* __UCLIBC_HAS_WCHAR__ */
- assert((psfs.conv_num == CONV_leftbracket));
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
- invert = 0;
-
- if (*++fmt == '^') {
- ++fmt;
- invert = 1;
- }
- memset(scanset, invert, sizeof(scanset));
- invert = 1-invert;
-
- if (*fmt == ']') {
- scanset[(int)(']')] = invert;
- ++fmt;
- }
-
- while (*fmt != ']') {
- if (!*fmt) { /* No closing ']'. */
- goto DONE;
- }
- if ((*fmt == '-') && (fmt[1] != ']')
- && (fmt[-1] < fmt[1]) /* sorted? */
- ) { /* range */
- ++fmt;
- i = fmt[-2];
- /* Note: scanset[i] should already have been done
- * in the previous iteration. */
- do {
- scanset[++i] = invert;
- } while (i < *fmt);
- /* Safe to fall through, and a bit smaller. */
- }
- /* literal char */
- scanset[(int) *fmt] = invert;
- ++fmt;
- }
-
-#ifdef __UCLIBC_HAS_WCHAR__
- if (psfs.conv_num == CONV_LEFTBRACKET) {
- goto DO_LEFTBRACKET;
- }
-#endif /* __UCLIBC_HAS_WCHAR__ */
-
-
- while (__scan_getc(&sc) >= 0) {
- zero_conversions = 0;
- if (!scanset[sc.cc]) {
- break;
- }
- *b = sc.cc;
- b += psfs.store;
- fail = 0;
- }
- }
- /* Common tail for processing of %s and %[. */
-
- __scan_ungetc(&sc);
- if (fail) { /* nothing stored! */
- goto DONE;
- }
- *b = 0; /* Nul-terminate string. */
- psfs.cnt += psfs.store;
- goto NEXT_FMT;
- }
-
-#ifdef __UCLIBC_HAS_WCHAR__
- DO_LEFTBRACKET: /* Need to do common wide init. */
- if (psfs.conv_num >= CONV_C) {
- wchar_t wbuf[1];
- wchar_t *wb;
-
- sc.mbstate.__mask = 0;
-
- wb = (psfs.store ? ((wchar_t *) psfs.cur_ptr) : wbuf);
- fail = 1;
-
- if (psfs.conv_num == CONV_C) {
- if (sc.width == INT_MAX) {
- sc.width = 1;
- }
-
- while (scan_getwc(&sc) >= 0) {
- zero_conversions = 0;
- assert(sc.width >= 0);
- *wb = sc.wc;
- wb += psfs.store;
- }
-
- __scan_ungetc(&sc);
- if (sc.width > 0) { /* Failed to read all required. */
- goto DONE;
- }
- psfs.cnt += psfs.store;
- goto NEXT_FMT;
- }
-
-
- if (psfs.conv_num == CONV_S) {
- /* Yes, believe it or not, a %s conversion can store nuls. */
- while (scan_getwc(&sc) >= 0) {
- zero_conversions = 0;
- if ((((__uwchar_t)(sc.wc)) <= UCHAR_MAX) && isspace(sc.wc)) {
- break;
- }
- *wb = sc.wc;
- wb += psfs.store;
- fail = 0;
- }
- } else {
- assert(psfs.conv_num == CONV_LEFTBRACKET);
-
- while (scan_getwc(&sc) >= 0) {
- zero_conversions = 0;
- if (((__uwchar_t) sc.wc) <= UCHAR_MAX) {
- if (!scanset[sc.wc]) {
- break;
- }
- } else if (invert) {
- break;
- }
- *wb = sc.wc;
- wb += psfs.store;
- fail = 0;
- }
- }
- /* Common tail for processing of %ls and %l[. */
-
- __scan_ungetc(&sc);
- if (fail || sc.mb_fail) { /* Nothing stored or mb error. */
- goto DONE;
- }
- *wb = 0; /* Nul-terminate string. */
- psfs.cnt += psfs.store;
- goto NEXT_FMT;
-
- }
-
-#endif /* __UCLIBC_HAS_WCHAR__ */
-#else /* L_vfscanf */
-
- if (psfs.conv_num >= CONV_C) {
- b = buf;
- wb = wbuf;
- if (psfs.conv_num >= CONV_c) {
- mbstate.__mask = 0; /* Initialize the mbstate. */
- if (psfs.store) {
- b = (unsigned char *) psfs.cur_ptr;
- }
- } else {
- if (psfs.store) {
- wb = (wchar_t *) psfs.cur_ptr;
- }
- }
- fail = 1;
-
-
- if ((psfs.conv_num == CONV_C) || (psfs.conv_num == CONV_c)) {
- if (sc.width == INT_MAX) {
- sc.width = 1;
- }
-
- while (scan_getwc(&sc) >= 0) {
- zero_conversions = 0;
- if (psfs.conv_num == CONV_C) {
- *wb = sc.wc;
- wb += psfs.store;
- } else {
- i = wcrtomb(b, sc.wc, &mbstate);
- if (i < 0) { /* Conversion failure. */
- goto DONE_DO_UNGET;
- }
- if (psfs.store) {
- b += i;
- }
- }
- }
- __scan_ungetc(&sc);
- if (sc.width > 0) { /* Failed to read all required. */
- goto DONE;
- }
- psfs.cnt += psfs.store;
- goto NEXT_FMT;
- }
-
- if ((psfs.conv_num == CONV_S) || (psfs.conv_num == CONV_s)) {
- /* Yes, believe it or not, a %s conversion can store nuls. */
- while (scan_getwc(&sc) >= 0) {
- zero_conversions = 0;
- if (iswspace(sc.wc)) {
- break;
- }
- if (psfs.conv_num == CONV_S) {
- *wb = sc.wc;
- wb += psfs.store;
- } else {
- i = wcrtomb(b, sc.wc, &mbstate);
- if (i < 0) { /* Conversion failure. */
- goto DONE_DO_UNGET;
- }
- if (psfs.store) {
- b += i;
- }
- }
- fail = 0;
- }
- } else {
- const wchar_t *sss;
- const wchar_t *ssp;
- unsigned char invert = 0;
-
- assert((psfs.conv_num == CONV_LEFTBRACKET)
- || (psfs.conv_num == CONV_leftbracket));
-
- if (*++fmt == '^') {
- ++fmt;
- invert = 1;
- }
- sss = (const wchar_t *) fmt;
- if (*fmt == ']') {
- ++fmt;
- }
- while (*fmt != ']') {
- if (!*fmt) { /* No closing ']'. */
- goto DONE;
- }
- if ((*fmt == '-') && (fmt[1] != ']')
- && (fmt[-1] < fmt[1]) /* sorted? */
- ) { /* range */
- ++fmt;
- }
- ++fmt;
- }
- /* Ok... a valid scanset spec. */
-
- while (scan_getwc(&sc) >= 0) {
- zero_conversions = 0;
- ssp = sss;
- do { /* We know sss < fmt. */
- if (*ssp == '-') { /* possible range... */
- /* Note: We accept a-c-e (ordered) as
- * equivalent to a-e. */
- if (ssp > sss) {
- if ((++ssp < (const wchar_t *) fmt)
- && (ssp[-2] < *ssp) /* sorted? */
- ) { /* yes */
- if ((sc.wc >= ssp[-2])
- && (sc.wc <= *ssp)) {
- break;
- }
- continue; /* not in range */
- }
- --ssp; /* oops... '-' at end, so back up */
- }
- /* false alarm... a literal '-' */
- }
- if (sc.wc == *ssp) { /* Matched literal char. */
- break;
- }
- } while (++ssp < (const wchar_t *) fmt);
-
- if ((ssp == (const wchar_t *) fmt) ^ invert) {
- /* no match and not inverting
- * or match and inverting */
- break;
- }
- if (psfs.conv_num == CONV_LEFTBRACKET) {
- *wb = sc.wc;
- wb += psfs.store;
- } else {
- i = wcrtomb(b, sc.wc, &mbstate);
- if (i < 0) { /* Conversion failure. */
- goto DONE_DO_UNGET;
- }
- if (psfs.store) {
- b += i;
- }
- }
- fail = 0;
- }
- }
- /* Common tail for processing of %s and %[. */
-
- __scan_ungetc(&sc);
- if (fail) { /* nothing stored! */
- goto DONE;
- }
- *wb = 0; /* Nul-terminate string. */
- *b = 0;
- psfs.cnt += psfs.store;
- goto NEXT_FMT;
- }
-
-#endif /* L_vfscanf */
-
- assert(0);
- goto DONE;
- } /* conversion specification */
-
- MATCH_CHAR:
- if (__scan_getc(&sc) != *fmt) {
-#ifdef L_vfwscanf
- DONE_DO_UNGET:
-#endif /* L_vfwscanf */
- __scan_ungetc(&sc);
- goto DONE;
- }
-
- NEXT_FMT:
- ++fmt;
- if (__FERROR_UNLOCKED(fp)) {
- break;
- }
- }
-
- DONE:
- if (__FERROR_UNLOCKED(fp) || (*fmt && zero_conversions && __FEOF_UNLOCKED(fp))) {
- psfs.cnt = EOF; /* Yes, vfwscanf also returns EOF. */
- }
-
- kill_scan_cookie(&sc);
-
- __STDIO_STREAM_VALIDATE(fp);
-
- __STDIO_AUTO_THREADUNLOCK(fp);
-
- return psfs.cnt;
-}
-libc_hidden_def(VFSCANF)
-#endif
-/**********************************************************************/
-#ifdef L___psfs_do_numeric
-
-static const unsigned char spec_base[] = SPEC_BASE;
-static const unsigned char nil_string[] = "(nil)";
-
-int attribute_hidden __psfs_do_numeric(psfs_t *psfs, struct scan_cookie *sc)
-{
- unsigned char *b;
- const unsigned char *p;
-
-#ifdef __UCLIBC_HAS_FLOATS__
- int exp_adjust = 0;
-#endif
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning TODO: Fix MAX_DIGITS. We do not do binary, so...!
-#warning TODO: Fix buf!
-#endif
-#define MAX_DIGITS 65 /* Allow one leading 0. */
- unsigned char buf[MAX_DIGITS+2+ 100];
- unsigned char usflag, base;
- unsigned char nonzero = 0;
- unsigned char seendigit = 0;
-
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning CONSIDER: What should be returned for an invalid conversion specifier?
-#endif
-#ifndef __UCLIBC_HAS_FLOATS__
- if (psfs->conv_num > CONV_i) { /* floating point */
- goto DONE;
- }
-#endif
-
- base = spec_base[psfs->conv_num - CONV_p];
- usflag = (psfs->conv_num <= CONV_u); /* (1)0 if (un)signed */
- b = buf;
-
-
- if (psfs->conv_num == CONV_p) { /* Pointer */
- p = nil_string;
- do {
- if ((__scan_getc(sc) < 0) || (*p != sc->cc)) {
- __scan_ungetc(sc);
- if (p > nil_string) {
- /* We matched at least the '(' so even if we
- * are at eof, we can not match a pointer. */
- return -2; /* Matching failure */
- }
- break;
- }
- if (!*++p) { /* Matched (nil), so no unget necessary. */
- if (psfs->store) {
- ++psfs->cnt;
- _store_inttype(psfs->cur_ptr, psfs->dataargtype,
- (uintmax_t) NULL);
- }
- return 0;
- }
- } while (1);
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning CONSIDER: Should we require a 0x prefix and disallow +/- for pointer %p?
-#endif /* __UCLIBC_MJN3_ONLY__ */
- }
-
- __scan_getc(sc);
- if (sc->cc < 0) {
- return -1; /* Input failure (nothing read yet). */
- }
-
- if ((sc->cc == '+') || (sc->cc == '-')) { /* Handle leading sign.*/
- *b++ = sc->cc;
- __scan_getc(sc);
- }
-
- if ((base & 0xef) == 0) { /* 0xef is ~16, so 16 or 0. */
- if (sc->cc == '0') { /* Possibly set base and handle prefix. */
- __scan_getc(sc);
- if ((sc->cc|0x20) == 'x') { /* Assumes ascii.. x or X. */
- if (__scan_getc(sc) < 0) {
- /* Either EOF or error (including wc outside char range).
- * If EOF or error, this is a matching failure (we read 0x).
- * If wc outside char range, this is also a matching failure.
- * Hence, we do an unget (although not really necessary here
- * and fail. */
- goto DONE_DO_UNGET; /* matching failure */
- }
- base = 16; /* Base 16 for sure now. */
-#ifdef __UCLIBC_HAS_HEXADECIMAL_FLOATS__
- /* The prefix is required for hexadecimal floats. */
- *b++ = '0';
- *b++ = 'x';
-#endif /* __UCLIBC_HAS_HEXADECIMAL_FLOATS__ */
- } else { /* oops... back up */
- __scan_ungetc(sc);
- sc->cc = '0'; /* NASTY HACK! */
-
- base = (base >> 1) + 8; /* 0->8, 16->16. no 'if' */
-#ifdef __UCLIBC_HAS_FLOATS__
- if (psfs->conv_num > CONV_i) { /* floating point */
- base = 10;
- }
-#endif
- }
- } else if (!base) {
- base = 10;
- }
- }
-
- /***************** digit grouping **********************/
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
-
- if ((psfs->flags & FLAG_THOUSANDS) && (base == 10)
- && *(p = sc->grouping)
- ) {
-
- int nblk1, nblk2, nbmax, lastblock, pass, i;
-
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning CONSIDER: Should we initalize the grouping blocks in __init_scan_cookie()?
-#endif /* __UCLIBC_MJN3_ONLY__ */
- nbmax = nblk2 = nblk1 = *p;
- if (*++p) {
- nblk2 = *p;
- if (nbmax < nblk2) {
- nbmax = nblk2;
- }
- assert(!p[1]);
- }
-
- /* Note: for printf, if 0 and \' flags appear then
- * grouping is done before 0-padding. Should we
- * strip leading 0's first? Or add a 0 flag? */
-
- /* For vfwscanf, sc_getc translates, so the value of sc->cc is
- * either EOF or a char. */
-
- if (!__isdigit_char_or_EOF(sc->cc)) { /* No starting digit! */
-#ifdef __UCLIBC_HAS_FLOATS__
- if (psfs->conv_num > CONV_i) { /* floating point */
- goto NO_STARTING_DIGIT;
- }
-#endif
- goto DONE_DO_UNGET;
- }
-
- if (sc->cc == '0') {
- seendigit = 1;
- *b++ = '0'; /* Store the first 0. */
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning CONSIDER: Should leading 0s be skipped before digit grouping? (printf 0 pad)
-#endif /* __UCLIBC_MJN3_ONLY__ */
-#if 0
- do { /* But ignore all subsequent 0s. */
- __scan_getc(sc);
- } while (sc->cc == '0');
-#endif
- }
- pass = 0;
- lastblock = 0;
- do {
- i = 0;
- while (__isdigit_char_or_EOF(sc->cc)) {
- seendigit = 1;
- if (i == nbmax) { /* too many digits for a block */
-#ifdef __UCLIBC_HAS_SCANF_LENIENT_DIGIT_GROUPING__
- if (!pass) { /* treat as nongrouped */
- if (nonzero) {
- goto DO_NO_GROUP;
- }
- goto DO_TRIM_LEADING_ZEROS;
- }
-#endif
- if (nbmax > nblk1) {
- goto DONE_DO_UNGET; /* matching failure */
- }
- goto DONE_GROUPING_DO_UNGET; /* nbmax == nblk1 */
- }
- ++i;
-
- if (nonzero || (sc->cc != '0')) {
- if (b < buf + MAX_DIGITS) {
- *b++ = sc->cc;
- nonzero = 1;
-#ifdef __UCLIBC_HAS_FLOATS__
- } else {
- ++exp_adjust;
-#endif
- }
- }
-
- __scan_getc(sc);
- }
-
- if (i) { /* we saw digits digits */
- if ((i == nblk2) || ((i < nblk2) && !pass)) {
- /* (possible) outer grp */
- p = sc->thousands_sep;
- if (*p == sc->cc) { /* first byte matches... */
- /* so check if grouping mb char */
- /* Since 1st matched, either match or fail now
- * unless EOF (yuk) */
- __scan_getc(sc);
- MBG_LOOP:
- if (!*++p) { /* is a grouping mb char */
- lastblock = i;
- ++pass;
- continue;
- }
- if (*p == sc->cc) {
- __scan_getc(sc);
- goto MBG_LOOP;
- }
- /* bad grouping mb char! */
- __scan_ungetc(sc);
- if ((sc->cc >= 0) || (p > sc->thousands_sep + 1)) {
-#ifdef __UCLIBC_HAS_FLOATS__
- /* We failed to match a thousep mb char, and
- * we've read too much to recover. But if
- * this is a floating point conversion and
- * the initial portion of the decpt mb char
- * matches, then we may still be able to
- * recover. */
- int k = p - sc->thousands_sep - 1;
-
- if ((psfs->conv_num > CONV_i) /* float conversion */
- && (!pass || (i == nblk1)) /* possible last */
- && !memcmp(sc->thousands_sep, sc->fake_decpt, k)
- /* and prefix matched, so could be decpt */
- ) {
- __scan_getc(sc);
- p = sc->fake_decpt + k;
- do {
- if (!*++p) {
- strcpy(b, sc->decpt);
- b += sc->decpt_len;
- goto GOT_DECPT;
- }
- if (*p != sc->cc) {
- __scan_ungetc(sc);
- break; /* failed */
- }
- __scan_getc(sc);
- } while (1);
- }
-#endif /* __UCLIBC_HAS_FLOATS__ */
- goto DONE;
- }
- /* was EOF and 1st, so recoverable. */
- }
- }
- if ((i == nblk1) || ((i < nblk1) && !pass)) {
- /* got an inner group */
- goto DONE_GROUPING_DO_UNGET;
- }
- goto DONE_DO_UNGET; /* Matching failure. */
- } /* i != 0 */
-
- assert(pass);
-
- goto DONE_DO_UNGET;
- } while (1);
-
- assert(0); /* Should never get here. */
- }
-
-#endif /***************** digit grouping **********************/
-
- /* Not grouping so first trim all but one leading 0. */
-#ifdef __UCLIBC_HAS_SCANF_LENIENT_DIGIT_GROUPING__
- DO_TRIM_LEADING_ZEROS:
-#endif /* __UCLIBC_HAS_SCANF_LENIENT_DIGIT_GROUPING__ */
- if (sc->cc == '0') {
- seendigit = 1;
- *b++ = '0'; /* Store the first 0. */
- do { /* But ignore all subsequent 0s. */
- __scan_getc(sc);
- } while (sc->cc == '0');
- }
-
-#ifdef __UCLIBC_HAS_SCANF_LENIENT_DIGIT_GROUPING__
- DO_NO_GROUP:
-#endif /* __UCLIBC_HAS_SCANF_LENIENT_DIGIT_GROUPING__ */
- /* At this point, we're ready to start reading digits. */
-
-#define valid_digit(cc,base) (isxdigit(cc) && ((base == 16) || (cc - '0' < base)))
-
- while (valid_digit(sc->cc,base)) { /* Now for significant digits.*/
- if (b - buf < MAX_DIGITS) {
- nonzero = seendigit = 1; /* Set nonzero too 0s trimmed above. */
- *b++ = sc->cc;
-#ifdef __UCLIBC_HAS_FLOATS__
- } else {
- ++exp_adjust;
-#endif
- }
- __scan_getc(sc);
- }
-
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
- DONE_GROUPING_DO_UNGET:
-#endif /* __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__ */
- if (psfs->conv_num <= CONV_i) { /* integer conversion */
- __scan_ungetc(sc);
- *b = 0; /* null-terminate */
- if (!seendigit) {
- goto DONE; /* No digits! */
- }
- if (psfs->store) {
- if (*buf == '-') {
- usflag = 0;
- }
- ++psfs->cnt;
- _store_inttype(psfs->cur_ptr, psfs->dataargtype,
- (uintmax_t) STRTOUIM(buf, NULL, base, 1-usflag));
- }
- return 0;
- }
-
-#ifdef __UCLIBC_HAS_FLOATS__
-
- /* At this point, we have everything left of the decimal point or exponent. */
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
- NO_STARTING_DIGIT:
-#endif
- p = sc->fake_decpt;
- do {
- if (!*p) {
- strcpy(b, sc->decpt);
- b += sc->decpt_len;
- break;
- }
- if (*p != sc->cc) {
- if (p > sc->fake_decpt) {
- goto DONE_DO_UNGET; /* matching failure (read some of decpt) */
- }
- goto DO_DIGIT_CHECK;
- }
- ++p;
- __scan_getc(sc);
- } while (1);
-
-#ifdef __UCLIBC_HAS_GLIBC_DIGIT_GROUPING__
- GOT_DECPT:
-#endif
- if (!nonzero) {
- if (sc->cc == '0') {
- assert(exp_adjust == 0);
- *b++ = '0';
- ++exp_adjust;
- seendigit = 1;
- do {
- --exp_adjust;
- __scan_getc(sc);
- } while (sc->cc == '0');
- }
- }
-
- while (valid_digit(sc->cc,base)) { /* Process fractional digits.*/
- if (b - buf < MAX_DIGITS) {
- seendigit = 1;
- *b++ = sc->cc;
- }
- __scan_getc(sc);
- }
-
- DO_DIGIT_CHECK:
- /* Hmm... no decimal point. */
- if (!seendigit) {
- static const unsigned char nan_inf_str[] = "an\0nfinity";
-
- if (base == 16) { /* We had a prefix, but no digits! */
- goto DONE_DO_UNGET; /* matching failure */
- }
-
- /* Avoid tolower problems for INFINITY in the tr_TR locale. (yuk)*/
-#undef TOLOWER
-#define TOLOWER(C) ((C)|0x20)
-
- switch (TOLOWER(sc->cc)) {
- case 'i':
- p = nan_inf_str + 3;
- break;
- case 'n':
- p = nan_inf_str;
- break;
- default:
- /* No digits and not inf or nan. */
- goto DONE_DO_UNGET;
- }
-
- *b++ = sc->cc;
-
- do {
- __scan_getc(sc);
- if (TOLOWER(sc->cc) == *p) {
- *b++ = sc->cc;
- ++p;
- continue;
- }
- if (!*p || (p == nan_inf_str + 5)) { /* match nan/infinity or inf */
- goto GOT_FLOAT;
- }
- /* Unrecoverable. Even if on 1st char, we had no digits. */
- goto DONE_DO_UNGET;
- } while (1);
- }
-
- /* If we get here, we had some digits. */
-
- if (
-#ifdef __UCLIBC_HAS_HEXADECIMAL_FLOATS__
- ((base == 16) && (((sc->cc)|0x20) == 'p')) ||
-#endif
- (((sc->cc)|0x20) == 'e')
- ) { /* Process an exponent. */
- *b++ = sc->cc;
-
- __scan_getc(sc);
- if (sc->cc < 0) {
- goto DONE_DO_UNGET; /* matching failure.. no exponent digits */
- }
-
- if ((sc->cc == '+') || (sc->cc == '-')) { /* Signed exponent? */
- *b++ = sc->cc;
- __scan_getc(sc);
- }
-
-#ifdef __UCLIBC_MJN3_ONLY__
-#warning TODO: Fix MAX_EXP_DIGITS!
-#endif
-#define MAX_EXP_DIGITS 20
- assert(seendigit);
- seendigit = 0;
- nonzero = 0;
-
- if (sc->cc == '0') {
- seendigit = 1;
- *b++ = '0';
- do {
- __scan_getc(sc);
- } while (sc->cc == '0');
- }
-
- while (__isdigit_char_or_EOF(sc->cc)) { /* Exponent digits (base 10).*/
- if (seendigit < MAX_EXP_DIGITS) {
- ++seendigit;
- *b++ = sc->cc;
- }
- __scan_getc(sc);
- }
-
- if (!seendigit) { /* No digits. Unrecoverable. */
- goto DONE_DO_UNGET;
- }
- }
-
-
- GOT_FLOAT:
- *b = 0;
- {
- __fpmax_t x;
- char *e;
- x = __strtofpmax(buf, &e, exp_adjust);
- assert(!*e);
- if (psfs->store) {
- if (psfs->dataargtype & PA_FLAG_LONG_LONG) {
- *((long double *)psfs->cur_ptr) = (long double) x;
- } else if (psfs->dataargtype & PA_FLAG_LONG) {
- *((double *)psfs->cur_ptr) = (double) x;
- } else {
- *((float *)psfs->cur_ptr) = (float) x;
- }
- ++psfs->cnt;
- }
- __scan_ungetc(sc);
- return 0;
- }
-#endif /* __UCLIBC_HAS_FLOATS__ */
-
- DONE_DO_UNGET:
- __scan_ungetc(sc);
- DONE:
- return -2; /* Matching failure. */
-
-}
-#endif
-/**********************************************************************/