+++ /dev/null
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc.
- 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 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 <msvcrt/errno.h>
-#include <limits.h>
-#include <msvcrt/ctype.h>
-#include <stdarg.h>
-#include <msvcrt/stdio.h>
-#include <msvcrt/stdlib.h>
-#include <msvcrt/string.h>
-#include <msvcrt/wchar.h>
-#include <msvcrt/malloc.h>
-#include <msvcrt/internal/file.h>
-#include <msvcrt/mbstring.h>
-/* The internal entry points for `strtoX' take an extra flag argument
- saying whether or not to parse locale-dependent number grouping. */
-
-double __strtod_internal (const char *__nptr,char **__endptr, int __group);
-float __strtof_internal (const char *__nptr, char **__endptr,int __group);
-long double __strtold_internal (const char *__nptr,char **__endptr, int __group);
-long int __strtol_internal (const char *__nptr, char **__endptr, int __base, int __group);
-unsigned long int __strtoul_internal (const char *__nptr, char **__endptr, int __base, int __group);
-
-
-
-#ifdef __GNUC__
-#define HAVE_LONGLONG
-#define LONGLONG long long
-#else
-#define LONGLONG long
-#endif
-
-/* Those are flags in the conversion format. */
-# define LONG 0x001 /* l: long or double */
-# define LONGDBL 0x002 /* L: LONGLONG or long double */
-# define SHORT 0x004 /* h: short */
-# define SUPPRESS 0x008 /* *: suppress assignment */
-# define POINTER 0x010 /* weird %p pointer (`fake hex') */
-# define NOSKIP 0x020 /* do not skip blanks */
-# define WIDTH 0x040 /* width was given */
-# define GROUP 0x080 /* ': group numbers */
-# define MALLOC 0x100 /* a: malloc strings */
-
-# define TYPEMOD (LONG|LONGDBL|SHORT)
-
-
-# define ungetc(c, s) ((void) (c != EOF && --read_in), ungetc (c, s))
-# define inchar() ((c = getc (s)), (void) (c != EOF && ++read_in), c)
-# define encode_error() do { \
- funlockfile (s); \
- __set_errno (EILSEQ); \
- return done; \
- } while (0)
-# define conv_error() do { \
- funlockfile (s); \
- return done; \
- } while (0)
-# define input_error() do { \
- funlockfile (s); \
- return done ? 0 : EOF; \
- } while (0)
-# define memory_error() do { \
- funlockfile (s); \
- __set_errno (ENOMEM); \
- return EOF; \
- } while (0)
-# define ARGCHECK(s, format) \
- do \
- { \
- /* Check file argument for consistence. */ \
- if (!__validfp (s) || !s->__mode.__read) \
- { \
- __set_errno (EBADF); \
- return EOF; \
- } \
- else if (format == NULL) \
- { \
- __set_errno (EINVAL); \
- return EOF; \
- } \
- } while (0)
-
-# define flockfile(S) /* nothing */
-# define funlockfile(S) /* nothing */
-
- char *wp = NULL; /* Workspace. */
- size_t wpmax = 0; /* Maximal size of workspace. */
- size_t wpsize = 0; /* Currently used bytes in workspace. */
-
-
-void ADDW(int Ch) \
-{
- if (wpsize == wpmax)
- {
- char *old = wp;
- wpmax = UCHAR_MAX > 2 * wpmax ? UCHAR_MAX : 2 * wpmax;
- wp = (char *) malloc (wpmax);
- if (old != NULL) {
- memcpy (wp, old, wpsize);
- free(old);
- }
- }
- wp[wpsize++] = (Ch);
-
-}
-
-
-int __vfscanf (FILE *s, const char *format, va_list argptr)
-{
- va_list arg;
- register const char *f = format;
- register unsigned char fc; /* Current character of the format. */
- register size_t done = 0; /* Assignments done. */
- register size_t read_in = 0; /* Chars read in. */
- register int c = 0; /* Last char read. */
- register int width; /* Maximum field width. */
- register int flags; /* Modifiers for current format element. */
-
- /* Status for reading F-P nums. */
- char got_dot, got_e, negative;
- /* If a [...] is a [^...]. */
- char not_in;
- /* Base for integral numbers. */
- int base;
- /* Signedness for integral numbers. */
- int number_signed;
- /* Decimal point character. */
- wchar_t decimal = '.';
- /* The thousands character of the current locale. */
- wchar_t thousands = ',';
- /* Integral holding variables. */
- union
- {
- long long int q;
- unsigned long long int uq;
- long int l;
- unsigned long int ul;
- } 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
- possibly be matched even if in the input stream no character is
- available anymore. */
- int skip_space = 0;
- /* Workspace. */
- char *tw; /* Temporary pointer. */
-
-#ifdef __va_copy
- __va_copy (arg, argptr);
-#else
- arg = (va_list) argptr;
-#endif
-
-
-
- /* Run through the format string. */
- while (*f != '\0')
- {
- unsigned int argpos;
- /* Extract the next argument, which is of type TYPE.
- For a %N$... spec, this is the Nth argument from the beginning;
- otherwise it is the next argument after the state now in ARG. */
-#define ARG(type) va_arg(argptr,type)
-
- if (!isascii (*f))
- {
- /* Non-ASCII, may be a multibyte. */
- // int len = mblen (f, strlen (f));
- int len =1;
- if (len > 0)
- {
- do
- {
- c = inchar ();
- if (c == EOF)
- input_error ();
- else if (c != *f++)
- {
- ungetc (c, s);
- conv_error ();
- }
- }
- while (--len > 0);
- continue;
- }
- }
-
- fc = *f++;
- if (fc != '%')
- {
- /* Remember to skip spaces. */
- if (isspace (fc))
- {
- skip_space = 1;
- continue;
- }
-
- /* Read a character. */
- c = inchar ();
-
- /* Characters other than format specs must just match. */
- if (c == EOF)
- input_error ();
-
- /* We saw white space char as the last character in the format
- string. Now it's time to skip all leading white space. */
- if (skip_space)
- {
- while (isspace (c))
- if (inchar () == EOF && errno == EINTR)
- conv_error ();
- skip_space = 0;
- }
-
- if (c != fc)
- {
- ungetc (c, s);
- conv_error ();
- }
-
- continue;
- }
-
- /* This is the start of the conversion string. */
- flags = 0;
-
- /* Initialize state of modifiers. */
- argpos = 0;
-
- /* Prepare temporary buffer. */
- wpsize = 0;
-
- /* Check for a positional parameter specification. */
- if (isdigit (*f))
- {
- argpos = *f++ - '0';
- while (isdigit (*f))
- argpos = argpos * 10 + (*f++ - '0');
- if (*f == '$')
- ++f;
- else
- {
- /* Oops; that was actually the field width. */
- width = argpos;
- flags |= WIDTH;
- argpos = 0;
- goto got_width;
- }
- }
-
- /* Check for the assignment-suppressing and the number grouping flag. */
- while (*f == '*' || *f == '\'')
- switch (*f++)
- {
- case '*':
- flags |= SUPPRESS;
- break;
- case '\'':
- flags |= GROUP;
- break;
- }
-
- /* We have seen width. */
- if (isdigit (*f))
- flags |= WIDTH;
-
- /* Find the maximum field width. */
- width = 0;
- while (isdigit (*f))
- {
- width *= 10;
- width += *f++ - '0';
- }
- got_width:
- if (width == 0)
- width = -1;
-
- /* Check for type modifiers. */
- while (*f == 'h' || *f == 'l' || *f == 'L' || *f == 'a' || *f == 'q')
- switch (*f++)
- {
- case 'h':
- /* int's are short int's. */
- if (flags & TYPEMOD)
- /* Signal illegal format element. */
- conv_error ();
- flags |= SHORT;
- break;
- case 'l':
- if (flags & (SHORT|LONGDBL))
- conv_error ();
- else if (flags & LONG)
- {
- /* A double `l' is equivalent to an `L'. */
- flags &= ~LONG;
- flags |= LONGDBL;
- }
- else
- /* int's are long int's. */
- flags |= LONG;
- break;
- case 'q':
- case 'L':
- /* double's are long double's, and int's are LONGLONG int's. */
- if (flags & TYPEMOD)
- /* Signal illegal format element. */
- conv_error ();
- flags |= LONGDBL;
- break;
- case 'a':
- if (flags & TYPEMOD)
- /* Signal illegal format element. */
- conv_error ();
- /* String conversions (%s, %[) take a `char **'
- arg and fill it in with a malloc'd pointer. */
- flags |= MALLOC;
- break;
- }
-
- /* End of the format string? */
- if (*f == '\0')
- conv_error ();
-
- /* We must take care for EINTR errors. */
- if (c == EOF && errno == EINTR)
- input_error ();
-
- /* Find the conversion specifier. */
- fc = *f++;
- if (skip_space || (fc != '[' && fc != 'c' && fc != 'C' && fc != 'n'))
- {
- /* Eat whitespace. */
- do
- if (inchar () == EOF && errno == EINTR)
- input_error ();
- while (isspace (c));
- ungetc (c, s);
- skip_space = 0;
- }
-
- switch (fc)
- {
- case '%': /* Must match a literal '%'. */
- c = inchar ();
- if (c != fc)
- {
- ungetc (c, s);
- conv_error ();
- }
- break;
-
- case 'n': /* Answer number of assignments done. */
- /* Corrigendum 1 to ISO C 1990 describes the allowed flags
- with the 'n' conversion specifier. */
- if (!(flags & SUPPRESS))
- {
- /* Don't count the read-ahead. */
- if (flags & LONGDBL)
- *ARG (long int *) = read_in;
- else if (flags & LONG)
- *ARG (long int *) = read_in;
- else if (flags & SHORT)
- *ARG (short int *) = read_in;
- else
- *ARG (int *) = read_in;
-
-#ifdef NO_BUG_IN_ISO_C_CORRIGENDUM_1
- /* We have a severe problem here. The ISO C standard
- contradicts itself in explaining the effect of the %n
- format in `scanf'. While in ISO C:1990 and the ISO C
- Amendement 1:1995 the result is described as
-
- Execution of a %n directive does not effect the
- assignment count returned at the completion of
- execution of the f(w)scanf function.
-
- in ISO C Corrigendum 1:1994 the following was added:
-
- Subclause 7.9.6.2
- Add the following fourth example:
- In:
- #include <stdio.h>
- int d1, d2, n1, n2, i;
- i = sscanf("123", "%d%n%n%d", &d1, &n1, &n2, &d2);
- the value 123 is assigned to d1 and the value3 to n1.
- Because %n can never get an input failure the value
- of 3 is also assigned to n2. The value of d2 is not
- affected. The value 3 is assigned to i.
-
- We go for now with the historically correct code fro ISO C,
- i.e., we don't count the %n assignments. When it ever
- should proof to be wrong just remove the #ifdef above. */
- ++done;
-#endif
- }
- break;
-
- case 'c': /* Match characters. */
- if ((flags & LONG) == 0)
- {
- if (!(flags & SUPPRESS))
- {
- str = ARG (char *);
- if (str == NULL)
- conv_error ();
- }
-
- c = inchar ();
- if (c == EOF)
- input_error ();
-
- if (width == -1)
- width = 1;
-
- 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;
- }
- /* 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 (!(flags & SUPPRESS))
- {
- wstr = ARG (wchar_t *);
- if (str == NULL)
- conv_error ();
- }
-
- 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 \
- { \
- --read_in; \
- 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. */
- 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) \
- { \
- /* The string is to be stored in a malloc'd buffer. */ \
- strptr = ARG (char **); \
- if (strptr == NULL) \
- conv_error (); \
- /* Allocate an initial buffer. */ \
- strsize = 100; \
- *strptr = malloc (strsize * sizeof (Type)); \
- Str = (Type *) *strptr; \
- } \
- else \
- Str = ARG (Type *); \
- if (Str == NULL) \
- conv_error (); \
- }
- STRING_ARG (str, char);
-
- c = inchar ();
- if (c == EOF)
- input_error ();
-
- do
- {
- if (isspace (c))
- {
- ungetc (c, s);
- break;
- }
-#define STRING_ADD_CHAR(Str, c, Type) \
- if (!(flags & SUPPRESS)) \
- { \
- *Str++ = c; \
- if ((flags & MALLOC) && (char *) Str == *strptr + strsize) \
- { \
- /* Enlarge the buffer. */ \
- Str = realloc (*strptr, strsize * 2 * sizeof (Type)); \
- if (Str == NULL) \
- { \
- /* Can't allocate that much. Last-ditch effort. */\
- 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. */ \
- ((Type *) (*strptr))[strsize] = '\0'; \
- ++done; \
- conv_error (); \
- } \
- else \
- { \
- *strptr = (char *) Str; \
- Str = ((Type *) *strptr) + strsize; \
- ++strsize; \
- } \
- } \
- else \
- { \
- *strptr = (char *) Str; \
- Str = ((Type *) *strptr) + strsize; \
- strsize *= 2; \
- } \
- } \
- }
- STRING_ADD_CHAR (str, c, char);
- } while ((width <= 0 || --width > 0) && inchar () != EOF);
-
- if (!(flags & SUPPRESS))
- {
- *str = '\0';
- ++done;
- }
- 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;
- number_signed = 0;
- goto number;
-
- case 'o': /* Octal integer. */
- base = 8;
- number_signed = 0;
- goto number;
-
- case 'u': /* Unsigned decimal integer. */
- base = 10;
- number_signed = 0;
- goto number;
-
- case 'd': /* Signed decimal integer. */
- base = 10;
- number_signed = 1;
- goto number;
-
- case 'i': /* Generic number. */
- base = 0;
- number_signed = 1;
-
- number:
- c = inchar ();
- if (c == EOF)
- input_error ();
-
- /* Check for a sign. */
- if (c == '-' || c == '+')
- {
- ADDW (c);
- if (width > 0)
- --width;
- c = inchar ();
- }
-
- /* Look for a leading indication of base. */
- if (width != 0 && c == '0')
- {
- if (width > 0)
- --width;
-
- ADDW (c);
- c = inchar ();
-
- if (width != 0 && tolower (c) == 'x')
- {
- if (base == 0)
- base = 16;
- if (base == 16)
- {
- if (width > 0)
- --width;
- c = inchar ();
- }
- }
- else if (base == 0)
- base = 8;
- }
-
- if (base == 0)
- base = 10;
-
- /* Read the number into workspace. */
- while (c != EOF && width != 0)
- {
- if (base == 16 ? !isxdigit (c) :
- ((!isdigit (c) || c - '0' >= base) &&
- !((flags & GROUP) && base == 10 && c == thousands)))
- break;
- ADDW (c);
- if (width > 0)
- --width;
-
- c = inchar ();
- }
-
- /* The just read character is not part of the number anymore. */
- ungetc (c, s);
-
- if (wpsize == 0 ||
- (wpsize == 1 && (wp[0] == '+' || wp[0] == '-')))
- /* There was no number. */
- conv_error ();
-
- /* Convert the number. */
- ADDW ('\0');
- if (flags & LONGDBL)
- {
-// if (number_signed)
-// num.q = __strtoq_internal (wp, &tw, base, flags & GROUP);
-// else
-// num.uq = __strtouq_internal (wp, &tw, base, flags & GROUP);
- }
- else
- {
- if (number_signed)
- num.l = __strtol_internal (wp, &tw, base, flags & GROUP);
- else
- num.ul = __strtoul_internal (wp, &tw, base, flags & GROUP);
- }
- if (wp == tw)
- conv_error ();
-
- if (!(flags & SUPPRESS))
- {
- if (! number_signed)
- {
- if (flags & LONGDBL) {
- *ARG (unsigned LONGLONG int *) = num.uq;
- }
- else if (flags & LONG)
- *ARG (unsigned long int *) = num.ul;
- else if (flags & SHORT)
- *ARG (unsigned short int *) = (unsigned short int) num.ul;
- else
- *ARG (unsigned int *) = (unsigned int) num.ul;
- }
- else
- {
- if (flags & LONGDBL) {
- *ARG (LONGLONG int *) = num.q;
- }
- else if (flags & LONG)
- *ARG (long int *) = num.l;
- else if (flags & SHORT)
- *ARG (short int *) = (short int) num.l;
- else
- *ARG (int *) = (int) num.l;
- }
- ++done;
- }
- break;
-
- case 'e': /* Floating-point numbers. */
- case 'E':
- case 'f':
- case 'g':
- case 'G':
- c = inchar ();
- if (c == EOF)
- input_error ();
-
- /* Check for a sign. */
- if (c == '-' || c == '+')
- {
- negative = c == '-';
- if (inchar () == EOF)
- /* EOF is only an input error before we read any chars. */
- conv_error ();
- if (width > 0)
- --width;
- }
- else
- negative = 0;
-
- got_dot = got_e = 0;
- do
- {
- if (isdigit (c))
- ADDW (c);
- else if (got_e && wp[wpsize - 1] == 'e'
- && (c == '-' || c == '+'))
- ADDW (c);
- else if (wpsize > 0 && !got_e && tolower (c) == 'e')
- {
- ADDW ('e');
- got_e = got_dot = 1;
- }
- else if (c == decimal && !got_dot)
- {
- ADDW (c);
- got_dot = 1;
- }
- else if ((flags & GROUP) && c == thousands && !got_dot)
- ADDW (c);
- else
- {
- /* The last read character is not part of the number
- anymore. */
- ungetc (c, s);
- break;
- }
- if (width > 0)
- --width;
- }
- while (width != 0 && inchar () != EOF);
-
- if (wpsize == 0)
- conv_error ();
-
- /* Convert the number. */
- ADDW ('\0');
- if (flags & LONGDBL)
- {
- long double d = __strtold_internal (wp, &tw, flags & GROUP);
- if (!(flags & SUPPRESS) && tw != wp)
- *ARG (long double *) = negative ? -d : d;
- }
- else if (flags & LONG)
- {
- double d = __strtod_internal (wp, &tw, flags & GROUP);
- if (!(flags & SUPPRESS) && tw != wp)
- *ARG (double *) = negative ? -d : d;
- }
- else
- {
- float d = __strtof_internal (wp, &tw, flags & GROUP);
- if (!(flags & SUPPRESS) && tw != wp)
- *ARG (float *) = negative ? -d : d;
- }
-
- if (tw == wp)
- conv_error ();
-
- if (!(flags & SUPPRESS))
- ++done;
- break;
-
- case '[': /* Character class. */
- 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 ();
- }
-
- if (*f == '^')
- {
- ++f;
- not_in = 1;
- }
- else
- not_in = 0;
-
- /* Fill WP with byte flags indexed by character.
- We will use this flag map for matching input characters. */
- if (wpmax < UCHAR_MAX)
- {
- wpmax = UCHAR_MAX;
- wp = (char *) alloca (wpmax);
- }
- memset (wp, 0, UCHAR_MAX);
-
- fc = *f;
- if (fc == ']' || fc == '-')
- {
- /* If ] or - appears before any char in the set, it is not
- the terminator or separator, but the first char in the
- set. */
- wp[fc] = 1;
- ++f;
- }
-
- while ((fc = *f++) != '\0' && fc != ']')
- {
- if (fc == '-' && *f != '\0' && *f != ']' &&
- (unsigned char) f[-2] <= (unsigned char) *f)
- {
- /* Add all characters from the one before the '-'
- up to (but not including) the next format char. */
- for (fc = f[-2]; fc < *f; ++fc)
- wp[fc] = 1;
- }
- else
- /* Add the character to the flag map. */
- wp[fc] = 1;
- }
- if (fc == '\0')
- {
- if (!(flags & LONG))
- ungetc (c, s);
- conv_error();
- }
-
- if (flags & LONG)
- {
- wint_t val;
- int first = 1;
-
- do
- {
- 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;
- }
- while (width != 0);
-
- if (first)
- conv_error ();
-
- if (!(flags & SUPPRESS))
- {
- *wstr = L'\0';
- ++done;
- }
- }
- else
- {
- 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;
-
- case 'p': /* Generic pointer. */
- base = 16;
- /* A PTR must be the same size as a `long int'. */
- flags &= ~(SHORT|LONGDBL);
- flags |= LONG;
- number_signed = 0;
- goto number;
- }
- }
-
- /* The last thing we saw int the format string was a white space.
- Consume the last white spaces. */
- if (skip_space)
- {
- do
- c = inchar ();
- while (isspace (c));
- ungetc (c, s);
- }
-
-
- return done;
-}
-
-
-
-int
-xfscanf(FILE *f, const char *fmt, ...)
-{
- int r;
- va_list a=0;
- va_start(a, fmt);
- r = __vfscanf(f, fmt, a);
- va_end(a);
- return r;
-}
-
-
-double __strtod_internal (const char *__nptr,char **__endptr, int __group)
-{
- return strtod(__nptr,__endptr);
-}
-float __strtof_internal (const char *__nptr, char **__endptr,int __group)
-{
- return (float)strtod(__nptr,__endptr);
-}
-static double powten[] =
-{
- 1e1L, 1e2L, 1e4L, 1e8L, 1e16L, 1e32L, 1e64L, 1e128L, 1e256L,
- 1e512L, 1e512L*1e512L, 1e2048L, 1e4096L
-};
-
-long double __strtold_internal (const char *s,char **sret, int __group)
-{
-
- long double r; /* result */
- int e, ne; /* exponent */
- int sign; /* +- 1.0 */
- int esign;
- int flags=0;
- int l2powm1;
-
- r = 0.0L;
- sign = 1;
- e = ne = 0;
- esign = 1;
-
- while(*s && isspace(*s))
- s++;
-
- if (*s == '+')
- s++;
- else if (*s == '-')
- {
- sign = -1;
- s++;
- }
-
- while ((*s >= '0') && (*s <= '9'))
- {
- flags |= 1;
- r *= 10.0L;
- r += *s - '0';
- s++;
- }
-
- if (*s == '.')
- {
- s++;
- while ((*s >= '0') && (*s <= '9'))
- {
- flags |= 2;
- r *= 10.0L;
- r += *s - '0';
- s++;
- ne++;
- }
- }
- if (flags == 0)
- {
- if (sret)
- *sret = (char *)s;
- return 0.0L;
- }
-
- if ((*s == 'e') || (*s == 'E'))
- {
- s++;
- if (*s == '+')
- s++;
- else if (*s == '-')
- {
- s++;
- esign = -1;
- }
- while ((*s >= '0') && (*s <= '9'))
- {
- e *= 10;
- e += *s - '0';
- s++;
- }
- }
- if (esign < 0)
- {
- esign = -esign;
- e = -e;
- }
- e = e - ne;
- if (e < -4096)
- {
- /* possibly subnormal number, 10^e would overflow */
- r *= 1.0e-2048L;
- e += 2048;
- }
- if (e < 0)
- {
- e = -e;
- esign = -esign;
- }
- if (e >= 8192)
- e = 8191;
- if (e)
- {
- double d = 1.0L;
- l2powm1 = 0;
- while (e)
- {
- if (e & 1)
- d *= powten[l2powm1];
- e >>= 1;
- l2powm1++;
- }
- if (esign > 0)
- r *= d;
- else
- r /= d;
- }
- if (sret)
- *sret = (char *)s;
- return r * sign;
-
- return 0;
-}
-long int __strtol_internal (const char *__nptr, char **__endptr, int __base, int __group)
-{
- return strtol(__nptr,__endptr, __base);
-}
-unsigned long int __strtoul_internal (const char *__nptr, char **__endptr, int __base, int __group)
-{
- return strtoul(__nptr,__endptr, __base);
-}
-
-
-
-
-
-
-
-
-
git://git.jankratochvil.net / reactos.git / blobdiff