2368 lines
76 KiB
C
2368 lines
76 KiB
C
/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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||
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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||
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||
The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <ctype.h>
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#include <limits.h>
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||
#include <printf.h>
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#include <stdarg.h>
|
||
#include <stdint.h>
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||
#include <stdlib.h>
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||
#include <string.h>
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||
#include <errno.h>
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||
#include <wchar.h>
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||
#include <libc-lock.h>
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#include <sys/param.h>
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#include <_itoa.h>
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#include <locale/localeinfo.h>
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#include <stdio.h>
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#include <scratch_buffer.h>
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/* This code is shared between the standard stdio implementation found
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in GNU C library and the libio implementation originally found in
|
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GNU libg++.
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Beside this it is also shared between the normal and wide character
|
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implementation as defined in ISO/IEC 9899:1990/Amendment 1:1995. */
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#include <libioP.h>
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#define FILE _IO_FILE
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||
#undef va_list
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||
#define va_list _IO_va_list
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||
#undef BUFSIZ
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||
#define BUFSIZ _IO_BUFSIZ
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||
#define ARGCHECK(S, Format) \
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do \
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||
{ \
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||
/* Check file argument for consistence. */ \
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||
CHECK_FILE (S, -1); \
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||
if (S->_flags & _IO_NO_WRITES) \
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||
{ \
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||
S->_flags |= _IO_ERR_SEEN; \
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||
__set_errno (EBADF); \
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||
return -1; \
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||
} \
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||
if (Format == NULL) \
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||
{ \
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||
MAYBE_SET_EINVAL; \
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||
return -1; \
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||
} \
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} while (0)
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#define UNBUFFERED_P(S) ((S)->_IO_file_flags & _IO_UNBUFFERED)
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#define done_add(val) \
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||
do { \
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unsigned int _val = val; \
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||
assert ((unsigned int) done < (unsigned int) INT_MAX); \
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||
if (__glibc_unlikely (INT_MAX - done < _val)) \
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{ \
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done = -1; \
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__set_errno (EOVERFLOW); \
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goto all_done; \
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} \
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done += _val; \
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} while (0)
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#ifndef COMPILE_WPRINTF
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# define vfprintf _IO_vfprintf_internal
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# define CHAR_T char
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# define UCHAR_T unsigned char
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# define INT_T int
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typedef const char *THOUSANDS_SEP_T;
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# define L_(Str) Str
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# define ISDIGIT(Ch) ((unsigned int) ((Ch) - '0') < 10)
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# define STR_LEN(Str) strlen (Str)
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# define PUT(F, S, N) _IO_sputn ((F), (S), (N))
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# define PAD(Padchar) \
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do { \
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if (width > 0) \
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{ \
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_IO_ssize_t written = _IO_padn (s, (Padchar), width); \
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if (__glibc_unlikely (written != width)) \
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{ \
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done = -1; \
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goto all_done; \
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} \
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done_add (written); \
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} \
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} while (0)
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# define PUTC(C, F) _IO_putc_unlocked (C, F)
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# define ORIENT if (_IO_vtable_offset (s) == 0 && _IO_fwide (s, -1) != -1)\
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return -1
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#else
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# define vfprintf _IO_vfwprintf
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# define CHAR_T wchar_t
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/* This is a hack!!! There should be a type uwchar_t. */
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# define UCHAR_T unsigned int /* uwchar_t */
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# define INT_T wint_t
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typedef wchar_t THOUSANDS_SEP_T;
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# define L_(Str) L##Str
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# define ISDIGIT(Ch) ((unsigned int) ((Ch) - L'0') < 10)
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# define STR_LEN(Str) __wcslen (Str)
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# include <_itowa.h>
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# define PUT(F, S, N) _IO_sputn ((F), (S), (N))
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# define PAD(Padchar) \
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do { \
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if (width > 0) \
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{ \
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_IO_ssize_t written = _IO_wpadn (s, (Padchar), width); \
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if (__glibc_unlikely (written != width)) \
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{ \
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done = -1; \
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goto all_done; \
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} \
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done_add (written); \
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} \
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} while (0)
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# define PUTC(C, F) _IO_putwc_unlocked (C, F)
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# define ORIENT if (_IO_fwide (s, 1) != 1) return -1
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# undef _itoa
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# define _itoa(Val, Buf, Base, Case) _itowa (Val, Buf, Base, Case)
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# define _itoa_word(Val, Buf, Base, Case) _itowa_word (Val, Buf, Base, Case)
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# undef EOF
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# define EOF WEOF
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#endif
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#include "_i18n_number.h"
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/* Include the shared code for parsing the format string. */
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#include "printf-parse.h"
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#define outchar(Ch) \
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do \
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{ \
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const INT_T outc = (Ch); \
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if (PUTC (outc, s) == EOF || done == INT_MAX) \
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{ \
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done = -1; \
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goto all_done; \
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} \
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++done; \
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} \
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while (0)
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#define outstring(String, Len) \
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do \
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{ \
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assert ((size_t) done <= (size_t) INT_MAX); \
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if ((size_t) PUT (s, (String), (Len)) != (size_t) (Len)) \
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{ \
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done = -1; \
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goto all_done; \
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} \
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if (__glibc_unlikely (INT_MAX - done < (Len))) \
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{ \
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done = -1; \
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__set_errno (EOVERFLOW); \
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goto all_done; \
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} \
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done += (Len); \
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} \
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while (0)
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/* For handling long_double and longlong we use the same flag. If
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`long' and `long long' are effectively the same type define it to
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zero. */
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#if LONG_MAX == LONG_LONG_MAX
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# define is_longlong 0
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#else
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# define is_longlong is_long_double
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#endif
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/* If `long' and `int' is effectively the same type we don't have to
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handle `long separately. */
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#if INT_MAX == LONG_MAX
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# define is_long_num 0
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#else
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# define is_long_num is_long
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#endif
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/* Global constants. */
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static const CHAR_T null[] = L_("(null)");
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/* Size of the work_buffer variable (in characters, not bytes. */
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enum { WORK_BUFFER_SIZE = 1000 };
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/* This table maps a character into a number representing a class. In
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each step there is a destination label for each class. */
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static const uint8_t jump_table[] =
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{
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/* ' ' */ 1, 0, 0, /* '#' */ 4,
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0, /* '%' */ 14, 0, /* '\''*/ 6,
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0, 0, /* '*' */ 7, /* '+' */ 2,
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0, /* '-' */ 3, /* '.' */ 9, 0,
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/* '0' */ 5, /* '1' */ 8, /* '2' */ 8, /* '3' */ 8,
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/* '4' */ 8, /* '5' */ 8, /* '6' */ 8, /* '7' */ 8,
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/* '8' */ 8, /* '9' */ 8, 0, 0,
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0, 0, 0, 0,
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0, /* 'A' */ 26, 0, /* 'C' */ 25,
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0, /* 'E' */ 19, /* F */ 19, /* 'G' */ 19,
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0, /* 'I' */ 29, 0, 0,
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/* 'L' */ 12, 0, 0, 0,
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0, 0, 0, /* 'S' */ 21,
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0, 0, 0, 0,
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/* 'X' */ 18, 0, /* 'Z' */ 13, 0,
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0, 0, 0, 0,
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0, /* 'a' */ 26, 0, /* 'c' */ 20,
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/* 'd' */ 15, /* 'e' */ 19, /* 'f' */ 19, /* 'g' */ 19,
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/* 'h' */ 10, /* 'i' */ 15, /* 'j' */ 28, 0,
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/* 'l' */ 11, /* 'm' */ 24, /* 'n' */ 23, /* 'o' */ 17,
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/* 'p' */ 22, /* 'q' */ 12, 0, /* 's' */ 21,
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/* 't' */ 27, /* 'u' */ 16, 0, 0,
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/* 'x' */ 18, 0, /* 'z' */ 13
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};
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#define NOT_IN_JUMP_RANGE(Ch) ((Ch) < L_(' ') || (Ch) > L_('z'))
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#define CHAR_CLASS(Ch) (jump_table[(INT_T) (Ch) - L_(' ')])
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#define LABEL(Name) do_##Name
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#ifdef SHARED
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/* 'int' is enough and it saves some space on 64 bit systems. */
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# define JUMP_TABLE_TYPE const int
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# define JUMP_TABLE_BASE_LABEL do_form_unknown
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# define REF(Name) &&do_##Name - &&JUMP_TABLE_BASE_LABEL
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# define JUMP(ChExpr, table) \
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do \
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{ \
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int offset; \
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void *ptr; \
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spec = (ChExpr); \
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offset = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \
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: table[CHAR_CLASS (spec)]; \
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ptr = &&JUMP_TABLE_BASE_LABEL + offset; \
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goto *ptr; \
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} \
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while (0)
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#else
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# define JUMP_TABLE_TYPE const void *const
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# define REF(Name) &&do_##Name
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# define JUMP(ChExpr, table) \
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do \
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{ \
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const void *ptr; \
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spec = (ChExpr); \
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ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \
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: table[CHAR_CLASS (spec)]; \
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goto *ptr; \
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} \
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while (0)
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#endif
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#define STEP0_3_TABLE \
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/* Step 0: at the beginning. */ \
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static JUMP_TABLE_TYPE step0_jumps[30] = \
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{ \
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REF (form_unknown), \
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REF (flag_space), /* for ' ' */ \
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REF (flag_plus), /* for '+' */ \
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REF (flag_minus), /* for '-' */ \
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REF (flag_hash), /* for '<hash>' */ \
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REF (flag_zero), /* for '0' */ \
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REF (flag_quote), /* for '\'' */ \
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REF (width_asterics), /* for '*' */ \
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REF (width), /* for '1'...'9' */ \
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REF (precision), /* for '.' */ \
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REF (mod_half), /* for 'h' */ \
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||
REF (mod_long), /* for 'l' */ \
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||
REF (mod_longlong), /* for 'L', 'q' */ \
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REF (mod_size_t), /* for 'z', 'Z' */ \
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REF (form_percent), /* for '%' */ \
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REF (form_integer), /* for 'd', 'i' */ \
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REF (form_unsigned), /* for 'u' */ \
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||
REF (form_octal), /* for 'o' */ \
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||
REF (form_hexa), /* for 'X', 'x' */ \
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||
REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
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||
REF (form_character), /* for 'c' */ \
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||
REF (form_string), /* for 's', 'S' */ \
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||
REF (form_pointer), /* for 'p' */ \
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||
REF (form_number), /* for 'n' */ \
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||
REF (form_strerror), /* for 'm' */ \
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||
REF (form_wcharacter), /* for 'C' */ \
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||
REF (form_floathex), /* for 'A', 'a' */ \
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||
REF (mod_ptrdiff_t), /* for 't' */ \
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||
REF (mod_intmax_t), /* for 'j' */ \
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||
REF (flag_i18n), /* for 'I' */ \
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||
}; \
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||
/* Step 1: after processing width. */ \
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static JUMP_TABLE_TYPE step1_jumps[30] = \
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{ \
|
||
REF (form_unknown), \
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||
REF (form_unknown), /* for ' ' */ \
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||
REF (form_unknown), /* for '+' */ \
|
||
REF (form_unknown), /* for '-' */ \
|
||
REF (form_unknown), /* for '<hash>' */ \
|
||
REF (form_unknown), /* for '0' */ \
|
||
REF (form_unknown), /* for '\'' */ \
|
||
REF (form_unknown), /* for '*' */ \
|
||
REF (form_unknown), /* for '1'...'9' */ \
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||
REF (precision), /* for '.' */ \
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||
REF (mod_half), /* for 'h' */ \
|
||
REF (mod_long), /* for 'l' */ \
|
||
REF (mod_longlong), /* for 'L', 'q' */ \
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||
REF (mod_size_t), /* for 'z', 'Z' */ \
|
||
REF (form_percent), /* for '%' */ \
|
||
REF (form_integer), /* for 'd', 'i' */ \
|
||
REF (form_unsigned), /* for 'u' */ \
|
||
REF (form_octal), /* for 'o' */ \
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||
REF (form_hexa), /* for 'X', 'x' */ \
|
||
REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
|
||
REF (form_character), /* for 'c' */ \
|
||
REF (form_string), /* for 's', 'S' */ \
|
||
REF (form_pointer), /* for 'p' */ \
|
||
REF (form_number), /* for 'n' */ \
|
||
REF (form_strerror), /* for 'm' */ \
|
||
REF (form_wcharacter), /* for 'C' */ \
|
||
REF (form_floathex), /* for 'A', 'a' */ \
|
||
REF (mod_ptrdiff_t), /* for 't' */ \
|
||
REF (mod_intmax_t), /* for 'j' */ \
|
||
REF (form_unknown) /* for 'I' */ \
|
||
}; \
|
||
/* Step 2: after processing precision. */ \
|
||
static JUMP_TABLE_TYPE step2_jumps[30] = \
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||
{ \
|
||
REF (form_unknown), \
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||
REF (form_unknown), /* for ' ' */ \
|
||
REF (form_unknown), /* for '+' */ \
|
||
REF (form_unknown), /* for '-' */ \
|
||
REF (form_unknown), /* for '<hash>' */ \
|
||
REF (form_unknown), /* for '0' */ \
|
||
REF (form_unknown), /* for '\'' */ \
|
||
REF (form_unknown), /* for '*' */ \
|
||
REF (form_unknown), /* for '1'...'9' */ \
|
||
REF (form_unknown), /* for '.' */ \
|
||
REF (mod_half), /* for 'h' */ \
|
||
REF (mod_long), /* for 'l' */ \
|
||
REF (mod_longlong), /* for 'L', 'q' */ \
|
||
REF (mod_size_t), /* for 'z', 'Z' */ \
|
||
REF (form_percent), /* for '%' */ \
|
||
REF (form_integer), /* for 'd', 'i' */ \
|
||
REF (form_unsigned), /* for 'u' */ \
|
||
REF (form_octal), /* for 'o' */ \
|
||
REF (form_hexa), /* for 'X', 'x' */ \
|
||
REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
|
||
REF (form_character), /* for 'c' */ \
|
||
REF (form_string), /* for 's', 'S' */ \
|
||
REF (form_pointer), /* for 'p' */ \
|
||
REF (form_number), /* for 'n' */ \
|
||
REF (form_strerror), /* for 'm' */ \
|
||
REF (form_wcharacter), /* for 'C' */ \
|
||
REF (form_floathex), /* for 'A', 'a' */ \
|
||
REF (mod_ptrdiff_t), /* for 't' */ \
|
||
REF (mod_intmax_t), /* for 'j' */ \
|
||
REF (form_unknown) /* for 'I' */ \
|
||
}; \
|
||
/* Step 3a: after processing first 'h' modifier. */ \
|
||
static JUMP_TABLE_TYPE step3a_jumps[30] = \
|
||
{ \
|
||
REF (form_unknown), \
|
||
REF (form_unknown), /* for ' ' */ \
|
||
REF (form_unknown), /* for '+' */ \
|
||
REF (form_unknown), /* for '-' */ \
|
||
REF (form_unknown), /* for '<hash>' */ \
|
||
REF (form_unknown), /* for '0' */ \
|
||
REF (form_unknown), /* for '\'' */ \
|
||
REF (form_unknown), /* for '*' */ \
|
||
REF (form_unknown), /* for '1'...'9' */ \
|
||
REF (form_unknown), /* for '.' */ \
|
||
REF (mod_halfhalf), /* for 'h' */ \
|
||
REF (form_unknown), /* for 'l' */ \
|
||
REF (form_unknown), /* for 'L', 'q' */ \
|
||
REF (form_unknown), /* for 'z', 'Z' */ \
|
||
REF (form_percent), /* for '%' */ \
|
||
REF (form_integer), /* for 'd', 'i' */ \
|
||
REF (form_unsigned), /* for 'u' */ \
|
||
REF (form_octal), /* for 'o' */ \
|
||
REF (form_hexa), /* for 'X', 'x' */ \
|
||
REF (form_unknown), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
|
||
REF (form_unknown), /* for 'c' */ \
|
||
REF (form_unknown), /* for 's', 'S' */ \
|
||
REF (form_unknown), /* for 'p' */ \
|
||
REF (form_number), /* for 'n' */ \
|
||
REF (form_unknown), /* for 'm' */ \
|
||
REF (form_unknown), /* for 'C' */ \
|
||
REF (form_unknown), /* for 'A', 'a' */ \
|
||
REF (form_unknown), /* for 't' */ \
|
||
REF (form_unknown), /* for 'j' */ \
|
||
REF (form_unknown) /* for 'I' */ \
|
||
}; \
|
||
/* Step 3b: after processing first 'l' modifier. */ \
|
||
static JUMP_TABLE_TYPE step3b_jumps[30] = \
|
||
{ \
|
||
REF (form_unknown), \
|
||
REF (form_unknown), /* for ' ' */ \
|
||
REF (form_unknown), /* for '+' */ \
|
||
REF (form_unknown), /* for '-' */ \
|
||
REF (form_unknown), /* for '<hash>' */ \
|
||
REF (form_unknown), /* for '0' */ \
|
||
REF (form_unknown), /* for '\'' */ \
|
||
REF (form_unknown), /* for '*' */ \
|
||
REF (form_unknown), /* for '1'...'9' */ \
|
||
REF (form_unknown), /* for '.' */ \
|
||
REF (form_unknown), /* for 'h' */ \
|
||
REF (mod_longlong), /* for 'l' */ \
|
||
REF (form_unknown), /* for 'L', 'q' */ \
|
||
REF (form_unknown), /* for 'z', 'Z' */ \
|
||
REF (form_percent), /* for '%' */ \
|
||
REF (form_integer), /* for 'd', 'i' */ \
|
||
REF (form_unsigned), /* for 'u' */ \
|
||
REF (form_octal), /* for 'o' */ \
|
||
REF (form_hexa), /* for 'X', 'x' */ \
|
||
REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
|
||
REF (form_character), /* for 'c' */ \
|
||
REF (form_string), /* for 's', 'S' */ \
|
||
REF (form_pointer), /* for 'p' */ \
|
||
REF (form_number), /* for 'n' */ \
|
||
REF (form_strerror), /* for 'm' */ \
|
||
REF (form_wcharacter), /* for 'C' */ \
|
||
REF (form_floathex), /* for 'A', 'a' */ \
|
||
REF (form_unknown), /* for 't' */ \
|
||
REF (form_unknown), /* for 'j' */ \
|
||
REF (form_unknown) /* for 'I' */ \
|
||
}
|
||
|
||
#define STEP4_TABLE \
|
||
/* Step 4: processing format specifier. */ \
|
||
static JUMP_TABLE_TYPE step4_jumps[30] = \
|
||
{ \
|
||
REF (form_unknown), \
|
||
REF (form_unknown), /* for ' ' */ \
|
||
REF (form_unknown), /* for '+' */ \
|
||
REF (form_unknown), /* for '-' */ \
|
||
REF (form_unknown), /* for '<hash>' */ \
|
||
REF (form_unknown), /* for '0' */ \
|
||
REF (form_unknown), /* for '\'' */ \
|
||
REF (form_unknown), /* for '*' */ \
|
||
REF (form_unknown), /* for '1'...'9' */ \
|
||
REF (form_unknown), /* for '.' */ \
|
||
REF (form_unknown), /* for 'h' */ \
|
||
REF (form_unknown), /* for 'l' */ \
|
||
REF (form_unknown), /* for 'L', 'q' */ \
|
||
REF (form_unknown), /* for 'z', 'Z' */ \
|
||
REF (form_percent), /* for '%' */ \
|
||
REF (form_integer), /* for 'd', 'i' */ \
|
||
REF (form_unsigned), /* for 'u' */ \
|
||
REF (form_octal), /* for 'o' */ \
|
||
REF (form_hexa), /* for 'X', 'x' */ \
|
||
REF (form_float), /* for 'E', 'e', 'F', 'f', 'G', 'g' */ \
|
||
REF (form_character), /* for 'c' */ \
|
||
REF (form_string), /* for 's', 'S' */ \
|
||
REF (form_pointer), /* for 'p' */ \
|
||
REF (form_number), /* for 'n' */ \
|
||
REF (form_strerror), /* for 'm' */ \
|
||
REF (form_wcharacter), /* for 'C' */ \
|
||
REF (form_floathex), /* for 'A', 'a' */ \
|
||
REF (form_unknown), /* for 't' */ \
|
||
REF (form_unknown), /* for 'j' */ \
|
||
REF (form_unknown) /* for 'I' */ \
|
||
}
|
||
|
||
|
||
#define process_arg(fspec) \
|
||
/* Start real work. We know about all flags and modifiers and \
|
||
now process the wanted format specifier. */ \
|
||
LABEL (form_percent): \
|
||
/* Write a literal "%". */ \
|
||
outchar (L_('%')); \
|
||
break; \
|
||
\
|
||
LABEL (form_integer): \
|
||
/* Signed decimal integer. */ \
|
||
base = 10; \
|
||
\
|
||
if (is_longlong) \
|
||
{ \
|
||
long long int signed_number; \
|
||
\
|
||
if (fspec == NULL) \
|
||
signed_number = va_arg (ap, long long int); \
|
||
else \
|
||
signed_number = args_value[fspec->data_arg].pa_long_long_int; \
|
||
\
|
||
is_negative = signed_number < 0; \
|
||
number.longlong = is_negative ? (- signed_number) : signed_number; \
|
||
\
|
||
goto LABEL (longlong_number); \
|
||
} \
|
||
else \
|
||
{ \
|
||
long int signed_number; \
|
||
\
|
||
if (fspec == NULL) \
|
||
{ \
|
||
if (is_long_num) \
|
||
signed_number = va_arg (ap, long int); \
|
||
else if (is_char) \
|
||
signed_number = (signed char) va_arg (ap, unsigned int); \
|
||
else if (!is_short) \
|
||
signed_number = va_arg (ap, int); \
|
||
else \
|
||
signed_number = (short int) va_arg (ap, unsigned int); \
|
||
} \
|
||
else \
|
||
if (is_long_num) \
|
||
signed_number = args_value[fspec->data_arg].pa_long_int; \
|
||
else if (is_char) \
|
||
signed_number = (signed char) \
|
||
args_value[fspec->data_arg].pa_u_int; \
|
||
else if (!is_short) \
|
||
signed_number = args_value[fspec->data_arg].pa_int; \
|
||
else \
|
||
signed_number = (short int) \
|
||
args_value[fspec->data_arg].pa_u_int; \
|
||
\
|
||
is_negative = signed_number < 0; \
|
||
number.word = is_negative ? (- signed_number) : signed_number; \
|
||
\
|
||
goto LABEL (number); \
|
||
} \
|
||
/* NOTREACHED */ \
|
||
\
|
||
LABEL (form_unsigned): \
|
||
/* Unsigned decimal integer. */ \
|
||
base = 10; \
|
||
goto LABEL (unsigned_number); \
|
||
/* NOTREACHED */ \
|
||
\
|
||
LABEL (form_octal): \
|
||
/* Unsigned octal integer. */ \
|
||
base = 8; \
|
||
goto LABEL (unsigned_number); \
|
||
/* NOTREACHED */ \
|
||
\
|
||
LABEL (form_hexa): \
|
||
/* Unsigned hexadecimal integer. */ \
|
||
base = 16; \
|
||
\
|
||
LABEL (unsigned_number): /* Unsigned number of base BASE. */ \
|
||
\
|
||
/* ISO specifies the `+' and ` ' flags only for signed \
|
||
conversions. */ \
|
||
is_negative = 0; \
|
||
showsign = 0; \
|
||
space = 0; \
|
||
\
|
||
if (is_longlong) \
|
||
{ \
|
||
if (fspec == NULL) \
|
||
number.longlong = va_arg (ap, unsigned long long int); \
|
||
else \
|
||
number.longlong = args_value[fspec->data_arg].pa_u_long_long_int; \
|
||
\
|
||
LABEL (longlong_number): \
|
||
if (prec < 0) \
|
||
/* Supply a default precision if none was given. */ \
|
||
prec = 1; \
|
||
else \
|
||
/* We have to take care for the '0' flag. If a precision \
|
||
is given it must be ignored. */ \
|
||
pad = L_(' '); \
|
||
\
|
||
/* If the precision is 0 and the number is 0 nothing has to \
|
||
be written for the number, except for the 'o' format in \
|
||
alternate form. */ \
|
||
if (prec == 0 && number.longlong == 0) \
|
||
{ \
|
||
string = workend; \
|
||
if (base == 8 && alt) \
|
||
*--string = L_('0'); \
|
||
} \
|
||
else \
|
||
{ \
|
||
/* Put the number in WORK. */ \
|
||
string = _itoa (number.longlong, workend, base, \
|
||
spec == L_('X')); \
|
||
if (group && grouping) \
|
||
string = group_number (string, workend, grouping, \
|
||
thousands_sep); \
|
||
\
|
||
if (use_outdigits && base == 10) \
|
||
string = _i18n_number_rewrite (string, workend, workend); \
|
||
} \
|
||
/* Simplify further test for num != 0. */ \
|
||
number.word = number.longlong != 0; \
|
||
} \
|
||
else \
|
||
{ \
|
||
if (fspec == NULL) \
|
||
{ \
|
||
if (is_long_num) \
|
||
number.word = va_arg (ap, unsigned long int); \
|
||
else if (is_char) \
|
||
number.word = (unsigned char) va_arg (ap, unsigned int); \
|
||
else if (!is_short) \
|
||
number.word = va_arg (ap, unsigned int); \
|
||
else \
|
||
number.word = (unsigned short int) va_arg (ap, unsigned int); \
|
||
} \
|
||
else \
|
||
if (is_long_num) \
|
||
number.word = args_value[fspec->data_arg].pa_u_long_int; \
|
||
else if (is_char) \
|
||
number.word = (unsigned char) \
|
||
args_value[fspec->data_arg].pa_u_int; \
|
||
else if (!is_short) \
|
||
number.word = args_value[fspec->data_arg].pa_u_int; \
|
||
else \
|
||
number.word = (unsigned short int) \
|
||
args_value[fspec->data_arg].pa_u_int; \
|
||
\
|
||
LABEL (number): \
|
||
if (prec < 0) \
|
||
/* Supply a default precision if none was given. */ \
|
||
prec = 1; \
|
||
else \
|
||
/* We have to take care for the '0' flag. If a precision \
|
||
is given it must be ignored. */ \
|
||
pad = L_(' '); \
|
||
\
|
||
/* If the precision is 0 and the number is 0 nothing has to \
|
||
be written for the number, except for the 'o' format in \
|
||
alternate form. */ \
|
||
if (prec == 0 && number.word == 0) \
|
||
{ \
|
||
string = workend; \
|
||
if (base == 8 && alt) \
|
||
*--string = L_('0'); \
|
||
} \
|
||
else \
|
||
{ \
|
||
/* Put the number in WORK. */ \
|
||
string = _itoa_word (number.word, workend, base, \
|
||
spec == L_('X')); \
|
||
if (group && grouping) \
|
||
string = group_number (string, workend, grouping, \
|
||
thousands_sep); \
|
||
\
|
||
if (use_outdigits && base == 10) \
|
||
string = _i18n_number_rewrite (string, workend, workend); \
|
||
} \
|
||
} \
|
||
\
|
||
if (prec <= workend - string && number.word != 0 && alt && base == 8) \
|
||
/* Add octal marker. */ \
|
||
*--string = L_('0'); \
|
||
\
|
||
prec = MAX (0, prec - (workend - string)); \
|
||
\
|
||
if (!left) \
|
||
{ \
|
||
width -= workend - string + prec; \
|
||
\
|
||
if (number.word != 0 && alt && base == 16) \
|
||
/* Account for 0X hex marker. */ \
|
||
width -= 2; \
|
||
\
|
||
if (is_negative || showsign || space) \
|
||
--width; \
|
||
\
|
||
if (pad == L_(' ')) \
|
||
{ \
|
||
PAD (L_(' ')); \
|
||
width = 0; \
|
||
} \
|
||
\
|
||
if (is_negative) \
|
||
outchar (L_('-')); \
|
||
else if (showsign) \
|
||
outchar (L_('+')); \
|
||
else if (space) \
|
||
outchar (L_(' ')); \
|
||
\
|
||
if (number.word != 0 && alt && base == 16) \
|
||
{ \
|
||
outchar (L_('0')); \
|
||
outchar (spec); \
|
||
} \
|
||
\
|
||
width += prec; \
|
||
PAD (L_('0')); \
|
||
\
|
||
outstring (string, workend - string); \
|
||
\
|
||
break; \
|
||
} \
|
||
else \
|
||
{ \
|
||
if (is_negative) \
|
||
{ \
|
||
outchar (L_('-')); \
|
||
--width; \
|
||
} \
|
||
else if (showsign) \
|
||
{ \
|
||
outchar (L_('+')); \
|
||
--width; \
|
||
} \
|
||
else if (space) \
|
||
{ \
|
||
outchar (L_(' ')); \
|
||
--width; \
|
||
} \
|
||
\
|
||
if (number.word != 0 && alt && base == 16) \
|
||
{ \
|
||
outchar (L_('0')); \
|
||
outchar (spec); \
|
||
width -= 2; \
|
||
} \
|
||
\
|
||
width -= workend - string + prec; \
|
||
\
|
||
if (prec > 0) \
|
||
{ \
|
||
int temp = width; \
|
||
width = prec; \
|
||
PAD (L_('0')); \
|
||
width = temp; \
|
||
} \
|
||
\
|
||
outstring (string, workend - string); \
|
||
\
|
||
PAD (L_(' ')); \
|
||
break; \
|
||
} \
|
||
\
|
||
LABEL (form_float): \
|
||
{ \
|
||
/* Floating-point number. This is handled by printf_fp.c. */ \
|
||
const void *ptr; \
|
||
int function_done; \
|
||
\
|
||
if (fspec == NULL) \
|
||
{ \
|
||
if (__ldbl_is_dbl) \
|
||
is_long_double = 0; \
|
||
\
|
||
struct printf_info info = { .prec = prec, \
|
||
.width = width, \
|
||
.spec = spec, \
|
||
.is_long_double = is_long_double, \
|
||
.is_short = is_short, \
|
||
.is_long = is_long, \
|
||
.alt = alt, \
|
||
.space = space, \
|
||
.left = left, \
|
||
.showsign = showsign, \
|
||
.group = group, \
|
||
.pad = pad, \
|
||
.extra = 0, \
|
||
.i18n = use_outdigits, \
|
||
.wide = sizeof (CHAR_T) != 1 }; \
|
||
\
|
||
if (is_long_double) \
|
||
the_arg.pa_long_double = va_arg (ap, long double); \
|
||
else \
|
||
the_arg.pa_double = va_arg (ap, double); \
|
||
ptr = (const void *) &the_arg; \
|
||
\
|
||
function_done = __printf_fp (s, &info, &ptr); \
|
||
} \
|
||
else \
|
||
{ \
|
||
ptr = (const void *) &args_value[fspec->data_arg]; \
|
||
if (__ldbl_is_dbl) \
|
||
{ \
|
||
fspec->data_arg_type = PA_DOUBLE; \
|
||
fspec->info.is_long_double = 0; \
|
||
} \
|
||
\
|
||
function_done = __printf_fp (s, &fspec->info, &ptr); \
|
||
} \
|
||
\
|
||
if (function_done < 0) \
|
||
{ \
|
||
/* Error in print handler; up to handler to set errno. */ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
\
|
||
done_add (function_done); \
|
||
} \
|
||
break; \
|
||
\
|
||
LABEL (form_floathex): \
|
||
{ \
|
||
/* Floating point number printed as hexadecimal number. */ \
|
||
const void *ptr; \
|
||
int function_done; \
|
||
\
|
||
if (fspec == NULL) \
|
||
{ \
|
||
if (__ldbl_is_dbl) \
|
||
is_long_double = 0; \
|
||
\
|
||
struct printf_info info = { .prec = prec, \
|
||
.width = width, \
|
||
.spec = spec, \
|
||
.is_long_double = is_long_double, \
|
||
.is_short = is_short, \
|
||
.is_long = is_long, \
|
||
.alt = alt, \
|
||
.space = space, \
|
||
.left = left, \
|
||
.showsign = showsign, \
|
||
.group = group, \
|
||
.pad = pad, \
|
||
.extra = 0, \
|
||
.wide = sizeof (CHAR_T) != 1 }; \
|
||
\
|
||
if (is_long_double) \
|
||
the_arg.pa_long_double = va_arg (ap, long double); \
|
||
else \
|
||
the_arg.pa_double = va_arg (ap, double); \
|
||
ptr = (const void *) &the_arg; \
|
||
\
|
||
function_done = __printf_fphex (s, &info, &ptr); \
|
||
} \
|
||
else \
|
||
{ \
|
||
ptr = (const void *) &args_value[fspec->data_arg]; \
|
||
if (__ldbl_is_dbl) \
|
||
fspec->info.is_long_double = 0; \
|
||
\
|
||
function_done = __printf_fphex (s, &fspec->info, &ptr); \
|
||
} \
|
||
\
|
||
if (function_done < 0) \
|
||
{ \
|
||
/* Error in print handler; up to handler to set errno. */ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
\
|
||
done_add (function_done); \
|
||
} \
|
||
break; \
|
||
\
|
||
LABEL (form_pointer): \
|
||
/* Generic pointer. */ \
|
||
{ \
|
||
const void *ptr; \
|
||
if (fspec == NULL) \
|
||
ptr = va_arg (ap, void *); \
|
||
else \
|
||
ptr = args_value[fspec->data_arg].pa_pointer; \
|
||
if (ptr != NULL) \
|
||
{ \
|
||
/* If the pointer is not NULL, write it as a %#x spec. */ \
|
||
base = 16; \
|
||
number.word = (unsigned long int) ptr; \
|
||
is_negative = 0; \
|
||
alt = 1; \
|
||
group = 0; \
|
||
spec = L_('x'); \
|
||
goto LABEL (number); \
|
||
} \
|
||
else \
|
||
{ \
|
||
/* Write "(nil)" for a nil pointer. */ \
|
||
string = (CHAR_T *) L_("(nil)"); \
|
||
/* Make sure the full string "(nil)" is printed. */ \
|
||
if (prec < 5) \
|
||
prec = 5; \
|
||
/* This is a wide string iff compiling wprintf. */ \
|
||
is_long = sizeof (CHAR_T) > 1; \
|
||
goto LABEL (print_string); \
|
||
} \
|
||
} \
|
||
/* NOTREACHED */ \
|
||
\
|
||
LABEL (form_number): \
|
||
if (s->_flags2 & _IO_FLAGS2_FORTIFY) \
|
||
{ \
|
||
if (! readonly_format) \
|
||
{ \
|
||
extern int __readonly_area (const void *, size_t) \
|
||
attribute_hidden; \
|
||
readonly_format \
|
||
= __readonly_area (format, ((STR_LEN (format) + 1) \
|
||
* sizeof (CHAR_T))); \
|
||
} \
|
||
if (readonly_format < 0) \
|
||
__libc_fatal ("*** %n in writable segment detected ***\n"); \
|
||
} \
|
||
/* Answer the count of characters written. */ \
|
||
if (fspec == NULL) \
|
||
{ \
|
||
if (is_longlong) \
|
||
*(long long int *) va_arg (ap, void *) = done; \
|
||
else if (is_long_num) \
|
||
*(long int *) va_arg (ap, void *) = done; \
|
||
else if (is_char) \
|
||
*(char *) va_arg (ap, void *) = done; \
|
||
else if (!is_short) \
|
||
*(int *) va_arg (ap, void *) = done; \
|
||
else \
|
||
*(short int *) va_arg (ap, void *) = done; \
|
||
} \
|
||
else \
|
||
if (is_longlong) \
|
||
*(long long int *) args_value[fspec->data_arg].pa_pointer = done; \
|
||
else if (is_long_num) \
|
||
*(long int *) args_value[fspec->data_arg].pa_pointer = done; \
|
||
else if (is_char) \
|
||
*(char *) args_value[fspec->data_arg].pa_pointer = done; \
|
||
else if (!is_short) \
|
||
*(int *) args_value[fspec->data_arg].pa_pointer = done; \
|
||
else \
|
||
*(short int *) args_value[fspec->data_arg].pa_pointer = done; \
|
||
break; \
|
||
\
|
||
LABEL (form_strerror): \
|
||
/* Print description of error ERRNO. */ \
|
||
string = \
|
||
(CHAR_T *) __strerror_r (save_errno, (char *) work_buffer, \
|
||
WORK_BUFFER_SIZE * sizeof (CHAR_T)); \
|
||
is_long = 0; /* This is no wide-char string. */ \
|
||
goto LABEL (print_string)
|
||
|
||
#ifdef COMPILE_WPRINTF
|
||
# define process_string_arg(fspec) \
|
||
LABEL (form_character): \
|
||
/* Character. */ \
|
||
if (is_long) \
|
||
goto LABEL (form_wcharacter); \
|
||
--width; /* Account for the character itself. */ \
|
||
if (!left) \
|
||
PAD (L' '); \
|
||
if (fspec == NULL) \
|
||
outchar (__btowc ((unsigned char) va_arg (ap, int))); /* Promoted. */ \
|
||
else \
|
||
outchar (__btowc ((unsigned char) \
|
||
args_value[fspec->data_arg].pa_int)); \
|
||
if (left) \
|
||
PAD (L' '); \
|
||
break; \
|
||
\
|
||
LABEL (form_wcharacter): \
|
||
{ \
|
||
/* Wide character. */ \
|
||
--width; \
|
||
if (!left) \
|
||
PAD (L' '); \
|
||
if (fspec == NULL) \
|
||
outchar (va_arg (ap, wchar_t)); \
|
||
else \
|
||
outchar (args_value[fspec->data_arg].pa_wchar); \
|
||
if (left) \
|
||
PAD (L' '); \
|
||
} \
|
||
break; \
|
||
\
|
||
LABEL (form_string): \
|
||
{ \
|
||
size_t len; \
|
||
int string_malloced; \
|
||
\
|
||
/* The string argument could in fact be `char *' or `wchar_t *'. \
|
||
But this should not make a difference here. */ \
|
||
if (fspec == NULL) \
|
||
string = (CHAR_T *) va_arg (ap, const wchar_t *); \
|
||
else \
|
||
string = (CHAR_T *) args_value[fspec->data_arg].pa_wstring; \
|
||
\
|
||
/* Entry point for printing other strings. */ \
|
||
LABEL (print_string): \
|
||
\
|
||
string_malloced = 0; \
|
||
if (string == NULL) \
|
||
{ \
|
||
/* Write "(null)" if there's space. */ \
|
||
if (prec == -1 \
|
||
|| prec >= (int) (sizeof (null) / sizeof (null[0])) - 1) \
|
||
{ \
|
||
string = (CHAR_T *) null; \
|
||
len = (sizeof (null) / sizeof (null[0])) - 1; \
|
||
} \
|
||
else \
|
||
{ \
|
||
string = (CHAR_T *) L""; \
|
||
len = 0; \
|
||
} \
|
||
} \
|
||
else if (!is_long && spec != L_('S')) \
|
||
{ \
|
||
/* This is complicated. We have to transform the multibyte \
|
||
string into a wide character string. */ \
|
||
const char *mbs = (const char *) string; \
|
||
mbstate_t mbstate; \
|
||
\
|
||
len = prec != -1 ? __strnlen (mbs, (size_t) prec) : strlen (mbs); \
|
||
\
|
||
/* Allocate dynamically an array which definitely is long \
|
||
enough for the wide character version. Each byte in the \
|
||
multi-byte string can produce at most one wide character. */ \
|
||
if (__glibc_unlikely (len > SIZE_MAX / sizeof (wchar_t))) \
|
||
{ \
|
||
__set_errno (EOVERFLOW); \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
else if (__libc_use_alloca (len * sizeof (wchar_t))) \
|
||
string = (CHAR_T *) alloca (len * sizeof (wchar_t)); \
|
||
else if ((string = (CHAR_T *) malloc (len * sizeof (wchar_t))) \
|
||
== NULL) \
|
||
{ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
else \
|
||
string_malloced = 1; \
|
||
\
|
||
memset (&mbstate, '\0', sizeof (mbstate_t)); \
|
||
len = __mbsrtowcs (string, &mbs, len, &mbstate); \
|
||
if (len == (size_t) -1) \
|
||
{ \
|
||
/* Illegal multibyte character. */ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
} \
|
||
else \
|
||
{ \
|
||
if (prec != -1) \
|
||
/* Search for the end of the string, but don't search past \
|
||
the length specified by the precision. */ \
|
||
len = __wcsnlen (string, prec); \
|
||
else \
|
||
len = __wcslen (string); \
|
||
} \
|
||
\
|
||
if ((width -= len) < 0) \
|
||
{ \
|
||
outstring (string, len); \
|
||
break; \
|
||
} \
|
||
\
|
||
if (!left) \
|
||
PAD (L' '); \
|
||
outstring (string, len); \
|
||
if (left) \
|
||
PAD (L' '); \
|
||
if (__glibc_unlikely (string_malloced)) \
|
||
free (string); \
|
||
} \
|
||
break;
|
||
#else
|
||
# define process_string_arg(fspec) \
|
||
LABEL (form_character): \
|
||
/* Character. */ \
|
||
if (is_long) \
|
||
goto LABEL (form_wcharacter); \
|
||
--width; /* Account for the character itself. */ \
|
||
if (!left) \
|
||
PAD (' '); \
|
||
if (fspec == NULL) \
|
||
outchar ((unsigned char) va_arg (ap, int)); /* Promoted. */ \
|
||
else \
|
||
outchar ((unsigned char) args_value[fspec->data_arg].pa_int); \
|
||
if (left) \
|
||
PAD (' '); \
|
||
break; \
|
||
\
|
||
LABEL (form_wcharacter): \
|
||
{ \
|
||
/* Wide character. */ \
|
||
char buf[MB_LEN_MAX]; \
|
||
mbstate_t mbstate; \
|
||
size_t len; \
|
||
\
|
||
memset (&mbstate, '\0', sizeof (mbstate_t)); \
|
||
len = __wcrtomb (buf, (fspec == NULL ? va_arg (ap, wchar_t) \
|
||
: args_value[fspec->data_arg].pa_wchar), \
|
||
&mbstate); \
|
||
if (len == (size_t) -1) \
|
||
{ \
|
||
/* Something went wrong during the conversion. Bail out. */ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
width -= len; \
|
||
if (!left) \
|
||
PAD (' '); \
|
||
outstring (buf, len); \
|
||
if (left) \
|
||
PAD (' '); \
|
||
} \
|
||
break; \
|
||
\
|
||
LABEL (form_string): \
|
||
{ \
|
||
size_t len; \
|
||
int string_malloced; \
|
||
\
|
||
/* The string argument could in fact be `char *' or `wchar_t *'. \
|
||
But this should not make a difference here. */ \
|
||
if (fspec == NULL) \
|
||
string = (char *) va_arg (ap, const char *); \
|
||
else \
|
||
string = (char *) args_value[fspec->data_arg].pa_string; \
|
||
\
|
||
/* Entry point for printing other strings. */ \
|
||
LABEL (print_string): \
|
||
\
|
||
string_malloced = 0; \
|
||
if (string == NULL) \
|
||
{ \
|
||
/* Write "(null)" if there's space. */ \
|
||
if (prec == -1 || prec >= (int) sizeof (null) - 1) \
|
||
{ \
|
||
string = (char *) null; \
|
||
len = sizeof (null) - 1; \
|
||
} \
|
||
else \
|
||
{ \
|
||
string = (char *) ""; \
|
||
len = 0; \
|
||
} \
|
||
} \
|
||
else if (!is_long && spec != L_('S')) \
|
||
{ \
|
||
if (prec != -1) \
|
||
/* Search for the end of the string, but don't search past \
|
||
the length (in bytes) specified by the precision. */ \
|
||
len = __strnlen (string, prec); \
|
||
else \
|
||
len = strlen (string); \
|
||
} \
|
||
else \
|
||
{ \
|
||
const wchar_t *s2 = (const wchar_t *) string; \
|
||
mbstate_t mbstate; \
|
||
\
|
||
memset (&mbstate, '\0', sizeof (mbstate_t)); \
|
||
\
|
||
if (prec >= 0) \
|
||
{ \
|
||
/* The string `s2' might not be NUL terminated. */ \
|
||
if (__libc_use_alloca (prec)) \
|
||
string = (char *) alloca (prec); \
|
||
else if ((string = (char *) malloc (prec)) == NULL) \
|
||
{ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
else \
|
||
string_malloced = 1; \
|
||
len = __wcsrtombs (string, &s2, prec, &mbstate); \
|
||
} \
|
||
else \
|
||
{ \
|
||
len = __wcsrtombs (NULL, &s2, 0, &mbstate); \
|
||
if (len != (size_t) -1) \
|
||
{ \
|
||
assert (__mbsinit (&mbstate)); \
|
||
s2 = (const wchar_t *) string; \
|
||
if (__libc_use_alloca (len + 1)) \
|
||
string = (char *) alloca (len + 1); \
|
||
else if ((string = (char *) malloc (len + 1)) == NULL) \
|
||
{ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
else \
|
||
string_malloced = 1; \
|
||
(void) __wcsrtombs (string, &s2, len + 1, &mbstate); \
|
||
} \
|
||
} \
|
||
\
|
||
if (len == (size_t) -1) \
|
||
{ \
|
||
/* Illegal wide-character string. */ \
|
||
done = -1; \
|
||
goto all_done; \
|
||
} \
|
||
} \
|
||
\
|
||
if ((width -= len) < 0) \
|
||
{ \
|
||
outstring (string, len); \
|
||
break; \
|
||
} \
|
||
\
|
||
if (!left) \
|
||
PAD (' '); \
|
||
outstring (string, len); \
|
||
if (left) \
|
||
PAD (' '); \
|
||
if (__glibc_unlikely (string_malloced)) \
|
||
free (string); \
|
||
} \
|
||
break;
|
||
#endif
|
||
|
||
/* Helper function to provide temporary buffering for unbuffered streams. */
|
||
static int buffered_vfprintf (FILE *stream, const CHAR_T *fmt, va_list)
|
||
__THROW __attribute__ ((noinline)) internal_function;
|
||
|
||
/* Handle positional format specifiers. */
|
||
static int printf_positional (_IO_FILE *s,
|
||
const CHAR_T *format, int readonly_format,
|
||
va_list ap, va_list *ap_savep, int done,
|
||
int nspecs_done, const UCHAR_T *lead_str_end,
|
||
CHAR_T *work_buffer, int save_errno,
|
||
const char *grouping, THOUSANDS_SEP_T);
|
||
|
||
/* Handle unknown format specifier. */
|
||
static int printf_unknown (FILE *, const struct printf_info *,
|
||
const void *const *) __THROW;
|
||
|
||
/* Group digits of number string. */
|
||
static CHAR_T *group_number (CHAR_T *, CHAR_T *, const char *, THOUSANDS_SEP_T)
|
||
__THROW internal_function;
|
||
|
||
/* The function itself. */
|
||
int
|
||
vfprintf (FILE *s, const CHAR_T *format, va_list ap)
|
||
{
|
||
/* The character used as thousands separator. */
|
||
THOUSANDS_SEP_T thousands_sep = 0;
|
||
|
||
/* The string describing the size of groups of digits. */
|
||
const char *grouping;
|
||
|
||
/* Place to accumulate the result. */
|
||
int done;
|
||
|
||
/* Current character in format string. */
|
||
const UCHAR_T *f;
|
||
|
||
/* End of leading constant string. */
|
||
const UCHAR_T *lead_str_end;
|
||
|
||
/* Points to next format specifier. */
|
||
const UCHAR_T *end_of_spec;
|
||
|
||
/* Buffer intermediate results. */
|
||
CHAR_T work_buffer[WORK_BUFFER_SIZE];
|
||
CHAR_T *workstart = NULL;
|
||
CHAR_T *workend;
|
||
|
||
/* We have to save the original argument pointer. */
|
||
va_list ap_save;
|
||
|
||
/* Count number of specifiers we already processed. */
|
||
int nspecs_done;
|
||
|
||
/* For the %m format we may need the current `errno' value. */
|
||
int save_errno = errno;
|
||
|
||
/* 1 if format is in read-only memory, -1 if it is in writable memory,
|
||
0 if unknown. */
|
||
int readonly_format = 0;
|
||
|
||
/* Orient the stream. */
|
||
#ifdef ORIENT
|
||
ORIENT;
|
||
#endif
|
||
|
||
/* Sanity check of arguments. */
|
||
ARGCHECK (s, format);
|
||
|
||
#ifdef ORIENT
|
||
/* Check for correct orientation. */
|
||
if (_IO_vtable_offset (s) == 0 &&
|
||
_IO_fwide (s, sizeof (CHAR_T) == 1 ? -1 : 1)
|
||
!= (sizeof (CHAR_T) == 1 ? -1 : 1))
|
||
/* The stream is already oriented otherwise. */
|
||
return EOF;
|
||
#endif
|
||
|
||
if (UNBUFFERED_P (s))
|
||
/* Use a helper function which will allocate a local temporary buffer
|
||
for the stream and then call us again. */
|
||
return buffered_vfprintf (s, format, ap);
|
||
|
||
/* Initialize local variables. */
|
||
done = 0;
|
||
grouping = (const char *) -1;
|
||
#ifdef __va_copy
|
||
/* This macro will be available soon in gcc's <stdarg.h>. We need it
|
||
since on some systems `va_list' is not an integral type. */
|
||
__va_copy (ap_save, ap);
|
||
#else
|
||
ap_save = ap;
|
||
#endif
|
||
nspecs_done = 0;
|
||
|
||
#ifdef COMPILE_WPRINTF
|
||
/* Find the first format specifier. */
|
||
f = lead_str_end = __find_specwc ((const UCHAR_T *) format);
|
||
#else
|
||
/* Find the first format specifier. */
|
||
f = lead_str_end = __find_specmb ((const UCHAR_T *) format);
|
||
#endif
|
||
|
||
/* Lock stream. */
|
||
_IO_cleanup_region_start ((void (*) (void *)) &_IO_funlockfile, s);
|
||
_IO_flockfile (s);
|
||
|
||
/* Write the literal text before the first format. */
|
||
outstring ((const UCHAR_T *) format,
|
||
lead_str_end - (const UCHAR_T *) format);
|
||
|
||
/* If we only have to print a simple string, return now. */
|
||
if (*f == L_('\0'))
|
||
goto all_done;
|
||
|
||
/* Use the slow path in case any printf handler is registered. */
|
||
if (__glibc_unlikely (__printf_function_table != NULL
|
||
|| __printf_modifier_table != NULL
|
||
|| __printf_va_arg_table != NULL))
|
||
goto do_positional;
|
||
|
||
/* Process whole format string. */
|
||
do
|
||
{
|
||
STEP0_3_TABLE;
|
||
STEP4_TABLE;
|
||
|
||
union printf_arg *args_value; /* This is not used here but ... */
|
||
int is_negative; /* Flag for negative number. */
|
||
union
|
||
{
|
||
unsigned long long int longlong;
|
||
unsigned long int word;
|
||
} number;
|
||
int base;
|
||
union printf_arg the_arg;
|
||
CHAR_T *string; /* Pointer to argument string. */
|
||
int alt = 0; /* Alternate format. */
|
||
int space = 0; /* Use space prefix if no sign is needed. */
|
||
int left = 0; /* Left-justify output. */
|
||
int showsign = 0; /* Always begin with plus or minus sign. */
|
||
int group = 0; /* Print numbers according grouping rules. */
|
||
int is_long_double = 0; /* Argument is long double/ long long int. */
|
||
int is_short = 0; /* Argument is short int. */
|
||
int is_long = 0; /* Argument is long int. */
|
||
int is_char = 0; /* Argument is promoted (unsigned) char. */
|
||
int width = 0; /* Width of output; 0 means none specified. */
|
||
int prec = -1; /* Precision of output; -1 means none specified. */
|
||
/* This flag is set by the 'I' modifier and selects the use of the
|
||
`outdigits' as determined by the current locale. */
|
||
int use_outdigits = 0;
|
||
UCHAR_T pad = L_(' ');/* Padding character. */
|
||
CHAR_T spec;
|
||
|
||
workstart = NULL;
|
||
workend = work_buffer + WORK_BUFFER_SIZE;
|
||
|
||
/* Get current character in format string. */
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
/* ' ' flag. */
|
||
LABEL (flag_space):
|
||
space = 1;
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
/* '+' flag. */
|
||
LABEL (flag_plus):
|
||
showsign = 1;
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
/* The '-' flag. */
|
||
LABEL (flag_minus):
|
||
left = 1;
|
||
pad = L_(' ');
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
/* The '#' flag. */
|
||
LABEL (flag_hash):
|
||
alt = 1;
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
/* The '0' flag. */
|
||
LABEL (flag_zero):
|
||
if (!left)
|
||
pad = L_('0');
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
/* The '\'' flag. */
|
||
LABEL (flag_quote):
|
||
group = 1;
|
||
|
||
if (grouping == (const char *) -1)
|
||
{
|
||
#ifdef COMPILE_WPRINTF
|
||
thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
|
||
_NL_NUMERIC_THOUSANDS_SEP_WC);
|
||
#else
|
||
thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
|
||
#endif
|
||
|
||
grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
|
||
if (*grouping == '\0' || *grouping == CHAR_MAX
|
||
#ifdef COMPILE_WPRINTF
|
||
|| thousands_sep == L'\0'
|
||
#else
|
||
|| *thousands_sep == '\0'
|
||
#endif
|
||
)
|
||
grouping = NULL;
|
||
}
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
LABEL (flag_i18n):
|
||
use_outdigits = 1;
|
||
JUMP (*++f, step0_jumps);
|
||
|
||
/* Get width from argument. */
|
||
LABEL (width_asterics):
|
||
{
|
||
const UCHAR_T *tmp; /* Temporary value. */
|
||
|
||
tmp = ++f;
|
||
if (ISDIGIT (*tmp))
|
||
{
|
||
int pos = read_int (&tmp);
|
||
|
||
if (pos == -1)
|
||
{
|
||
__set_errno (EOVERFLOW);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
if (pos && *tmp == L_('$'))
|
||
/* The width comes from a positional parameter. */
|
||
goto do_positional;
|
||
}
|
||
width = va_arg (ap, int);
|
||
|
||
/* Negative width means left justified. */
|
||
if (width < 0)
|
||
{
|
||
width = -width;
|
||
pad = L_(' ');
|
||
left = 1;
|
||
}
|
||
|
||
if (__glibc_unlikely (width >= INT_MAX / sizeof (CHAR_T) - 32))
|
||
{
|
||
__set_errno (EOVERFLOW);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
if (width >= WORK_BUFFER_SIZE - 32)
|
||
{
|
||
/* We have to use a special buffer. The "32" is just a safe
|
||
bet for all the output which is not counted in the width. */
|
||
size_t needed = ((size_t) width + 32) * sizeof (CHAR_T);
|
||
if (__libc_use_alloca (needed))
|
||
workend = (CHAR_T *) alloca (needed) + width + 32;
|
||
else
|
||
{
|
||
workstart = (CHAR_T *) malloc (needed);
|
||
if (workstart == NULL)
|
||
{
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
workend = workstart + width + 32;
|
||
}
|
||
}
|
||
}
|
||
JUMP (*f, step1_jumps);
|
||
|
||
/* Given width in format string. */
|
||
LABEL (width):
|
||
width = read_int (&f);
|
||
|
||
if (__glibc_unlikely (width == -1
|
||
|| width >= INT_MAX / sizeof (CHAR_T) - 32))
|
||
{
|
||
__set_errno (EOVERFLOW);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
if (width >= WORK_BUFFER_SIZE - 32)
|
||
{
|
||
/* We have to use a special buffer. The "32" is just a safe
|
||
bet for all the output which is not counted in the width. */
|
||
size_t needed = ((size_t) width + 32) * sizeof (CHAR_T);
|
||
if (__libc_use_alloca (needed))
|
||
workend = (CHAR_T *) alloca (needed) + width + 32;
|
||
else
|
||
{
|
||
workstart = (CHAR_T *) malloc (needed);
|
||
if (workstart == NULL)
|
||
{
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
workend = workstart + width + 32;
|
||
}
|
||
}
|
||
if (*f == L_('$'))
|
||
/* Oh, oh. The argument comes from a positional parameter. */
|
||
goto do_positional;
|
||
JUMP (*f, step1_jumps);
|
||
|
||
LABEL (precision):
|
||
++f;
|
||
if (*f == L_('*'))
|
||
{
|
||
const UCHAR_T *tmp; /* Temporary value. */
|
||
|
||
tmp = ++f;
|
||
if (ISDIGIT (*tmp))
|
||
{
|
||
int pos = read_int (&tmp);
|
||
|
||
if (pos == -1)
|
||
{
|
||
__set_errno (EOVERFLOW);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
if (pos && *tmp == L_('$'))
|
||
/* The precision comes from a positional parameter. */
|
||
goto do_positional;
|
||
}
|
||
prec = va_arg (ap, int);
|
||
|
||
/* If the precision is negative the precision is omitted. */
|
||
if (prec < 0)
|
||
prec = -1;
|
||
}
|
||
else if (ISDIGIT (*f))
|
||
{
|
||
prec = read_int (&f);
|
||
|
||
/* The precision was specified in this case as an extremely
|
||
large positive value. */
|
||
if (prec == -1)
|
||
{
|
||
__set_errno (EOVERFLOW);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
}
|
||
else
|
||
prec = 0;
|
||
if (prec > width && prec > WORK_BUFFER_SIZE - 32)
|
||
{
|
||
/* Deallocate any previously allocated buffer because it is
|
||
too small. */
|
||
if (__glibc_unlikely (workstart != NULL))
|
||
free (workstart);
|
||
workstart = NULL;
|
||
if (__glibc_unlikely (prec >= INT_MAX / sizeof (CHAR_T) - 32))
|
||
{
|
||
__set_errno (EOVERFLOW);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
size_t needed = ((size_t) prec + 32) * sizeof (CHAR_T);
|
||
|
||
if (__libc_use_alloca (needed))
|
||
workend = (CHAR_T *) alloca (needed) + prec + 32;
|
||
else
|
||
{
|
||
workstart = (CHAR_T *) malloc (needed);
|
||
if (workstart == NULL)
|
||
{
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
workend = workstart + prec + 32;
|
||
}
|
||
}
|
||
JUMP (*f, step2_jumps);
|
||
|
||
/* Process 'h' modifier. There might another 'h' following. */
|
||
LABEL (mod_half):
|
||
is_short = 1;
|
||
JUMP (*++f, step3a_jumps);
|
||
|
||
/* Process 'hh' modifier. */
|
||
LABEL (mod_halfhalf):
|
||
is_short = 0;
|
||
is_char = 1;
|
||
JUMP (*++f, step4_jumps);
|
||
|
||
/* Process 'l' modifier. There might another 'l' following. */
|
||
LABEL (mod_long):
|
||
is_long = 1;
|
||
JUMP (*++f, step3b_jumps);
|
||
|
||
/* Process 'L', 'q', or 'll' modifier. No other modifier is
|
||
allowed to follow. */
|
||
LABEL (mod_longlong):
|
||
is_long_double = 1;
|
||
is_long = 1;
|
||
JUMP (*++f, step4_jumps);
|
||
|
||
LABEL (mod_size_t):
|
||
is_long_double = sizeof (size_t) > sizeof (unsigned long int);
|
||
is_long = sizeof (size_t) > sizeof (unsigned int);
|
||
JUMP (*++f, step4_jumps);
|
||
|
||
LABEL (mod_ptrdiff_t):
|
||
is_long_double = sizeof (ptrdiff_t) > sizeof (unsigned long int);
|
||
is_long = sizeof (ptrdiff_t) > sizeof (unsigned int);
|
||
JUMP (*++f, step4_jumps);
|
||
|
||
LABEL (mod_intmax_t):
|
||
is_long_double = sizeof (intmax_t) > sizeof (unsigned long int);
|
||
is_long = sizeof (intmax_t) > sizeof (unsigned int);
|
||
JUMP (*++f, step4_jumps);
|
||
|
||
/* Process current format. */
|
||
while (1)
|
||
{
|
||
process_arg (((struct printf_spec *) NULL));
|
||
process_string_arg (((struct printf_spec *) NULL));
|
||
|
||
LABEL (form_unknown):
|
||
if (spec == L_('\0'))
|
||
{
|
||
/* The format string ended before the specifier is complete. */
|
||
__set_errno (EINVAL);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
/* If we are in the fast loop force entering the complicated
|
||
one. */
|
||
goto do_positional;
|
||
}
|
||
|
||
/* The format is correctly handled. */
|
||
++nspecs_done;
|
||
|
||
if (__glibc_unlikely (workstart != NULL))
|
||
free (workstart);
|
||
workstart = NULL;
|
||
|
||
/* Look for next format specifier. */
|
||
#ifdef COMPILE_WPRINTF
|
||
f = __find_specwc ((end_of_spec = ++f));
|
||
#else
|
||
f = __find_specmb ((end_of_spec = ++f));
|
||
#endif
|
||
|
||
/* Write the following constant string. */
|
||
outstring (end_of_spec, f - end_of_spec);
|
||
}
|
||
while (*f != L_('\0'));
|
||
|
||
/* Unlock stream and return. */
|
||
goto all_done;
|
||
|
||
/* Hand off processing for positional parameters. */
|
||
do_positional:
|
||
if (__glibc_unlikely (workstart != NULL))
|
||
{
|
||
free (workstart);
|
||
workstart = NULL;
|
||
}
|
||
done = printf_positional (s, format, readonly_format, ap, &ap_save,
|
||
done, nspecs_done, lead_str_end, work_buffer,
|
||
save_errno, grouping, thousands_sep);
|
||
|
||
all_done:
|
||
if (__glibc_unlikely (workstart != NULL))
|
||
free (workstart);
|
||
/* Unlock the stream. */
|
||
_IO_funlockfile (s);
|
||
_IO_cleanup_region_end (0);
|
||
|
||
return done;
|
||
}
|
||
|
||
static int
|
||
printf_positional (_IO_FILE *s, const CHAR_T *format, int readonly_format,
|
||
va_list ap, va_list *ap_savep, int done, int nspecs_done,
|
||
const UCHAR_T *lead_str_end,
|
||
CHAR_T *work_buffer, int save_errno,
|
||
const char *grouping, THOUSANDS_SEP_T thousands_sep)
|
||
{
|
||
/* For the argument descriptions, which may be allocated on the heap. */
|
||
void *args_malloced = NULL;
|
||
|
||
/* For positional argument handling. */
|
||
struct scratch_buffer specsbuf;
|
||
scratch_buffer_init (&specsbuf);
|
||
struct printf_spec *specs = specsbuf.data;
|
||
size_t specs_limit = specsbuf.length / sizeof (specs[0]);
|
||
|
||
/* Array with information about the needed arguments. This has to
|
||
be dynamically extensible. */
|
||
size_t nspecs = 0;
|
||
|
||
/* The number of arguments the format string requests. This will
|
||
determine the size of the array needed to store the argument
|
||
attributes. */
|
||
size_t nargs = 0;
|
||
size_t bytes_per_arg;
|
||
union printf_arg *args_value;
|
||
int *args_size;
|
||
int *args_type;
|
||
|
||
/* Positional parameters refer to arguments directly. This could
|
||
also determine the maximum number of arguments. Track the
|
||
maximum number. */
|
||
size_t max_ref_arg = 0;
|
||
|
||
/* Just a counter. */
|
||
size_t cnt;
|
||
|
||
CHAR_T *workstart = NULL;
|
||
|
||
if (grouping == (const char *) -1)
|
||
{
|
||
#ifdef COMPILE_WPRINTF
|
||
thousands_sep = _NL_CURRENT_WORD (LC_NUMERIC,
|
||
_NL_NUMERIC_THOUSANDS_SEP_WC);
|
||
#else
|
||
thousands_sep = _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
|
||
#endif
|
||
|
||
grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
|
||
if (*grouping == '\0' || *grouping == CHAR_MAX)
|
||
grouping = NULL;
|
||
}
|
||
|
||
for (const UCHAR_T *f = lead_str_end; *f != L_('\0');
|
||
f = specs[nspecs++].next_fmt)
|
||
{
|
||
if (nspecs == specs_limit)
|
||
{
|
||
if (!scratch_buffer_grow_preserve (&specsbuf))
|
||
{
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
specs = specsbuf.data;
|
||
specs_limit = specsbuf.length / sizeof (specs[0]);
|
||
}
|
||
|
||
/* Parse the format specifier. */
|
||
#ifdef COMPILE_WPRINTF
|
||
nargs += __parse_one_specwc (f, nargs, &specs[nspecs], &max_ref_arg);
|
||
#else
|
||
nargs += __parse_one_specmb (f, nargs, &specs[nspecs], &max_ref_arg);
|
||
#endif
|
||
}
|
||
|
||
/* Determine the number of arguments the format string consumes. */
|
||
nargs = MAX (nargs, max_ref_arg);
|
||
/* Calculate total size needed to represent a single argument across
|
||
all three argument-related arrays. */
|
||
bytes_per_arg = (sizeof (*args_value) + sizeof (*args_size)
|
||
+ sizeof (*args_type));
|
||
|
||
/* Check for potential integer overflow. */
|
||
if (__glibc_unlikely (nargs > INT_MAX / bytes_per_arg))
|
||
{
|
||
__set_errno (EOVERFLOW);
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
/* Allocate memory for all three argument arrays. */
|
||
if (__libc_use_alloca (nargs * bytes_per_arg))
|
||
args_value = alloca (nargs * bytes_per_arg);
|
||
else
|
||
{
|
||
args_value = args_malloced = malloc (nargs * bytes_per_arg);
|
||
if (args_value == NULL)
|
||
{
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
}
|
||
|
||
/* Set up the remaining two arrays to each point past the end of the
|
||
prior array, since space for all three has been allocated now. */
|
||
args_size = &args_value[nargs].pa_int;
|
||
args_type = &args_size[nargs];
|
||
memset (args_type, s->_flags2 & _IO_FLAGS2_FORTIFY ? '\xff' : '\0',
|
||
nargs * sizeof (*args_type));
|
||
|
||
/* XXX Could do sanity check here: If any element in ARGS_TYPE is
|
||
still zero after this loop, format is invalid. For now we
|
||
simply use 0 as the value. */
|
||
|
||
/* Fill in the types of all the arguments. */
|
||
for (cnt = 0; cnt < nspecs; ++cnt)
|
||
{
|
||
/* If the width is determined by an argument this is an int. */
|
||
if (specs[cnt].width_arg != -1)
|
||
args_type[specs[cnt].width_arg] = PA_INT;
|
||
|
||
/* If the precision is determined by an argument this is an int. */
|
||
if (specs[cnt].prec_arg != -1)
|
||
args_type[specs[cnt].prec_arg] = PA_INT;
|
||
|
||
switch (specs[cnt].ndata_args)
|
||
{
|
||
case 0: /* No arguments. */
|
||
break;
|
||
case 1: /* One argument; we already have the
|
||
type and size. */
|
||
args_type[specs[cnt].data_arg] = specs[cnt].data_arg_type;
|
||
args_size[specs[cnt].data_arg] = specs[cnt].size;
|
||
break;
|
||
default:
|
||
/* We have more than one argument for this format spec.
|
||
We must call the arginfo function again to determine
|
||
all the types. */
|
||
(void) (*__printf_arginfo_table[specs[cnt].info.spec])
|
||
(&specs[cnt].info,
|
||
specs[cnt].ndata_args, &args_type[specs[cnt].data_arg],
|
||
&args_size[specs[cnt].data_arg]);
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Now we know all the types and the order. Fill in the argument
|
||
values. */
|
||
for (cnt = 0; cnt < nargs; ++cnt)
|
||
switch (args_type[cnt])
|
||
{
|
||
#define T(tag, mem, type) \
|
||
case tag: \
|
||
args_value[cnt].mem = va_arg (*ap_savep, type); \
|
||
break
|
||
|
||
T (PA_WCHAR, pa_wchar, wint_t);
|
||
case PA_CHAR: /* Promoted. */
|
||
case PA_INT|PA_FLAG_SHORT: /* Promoted. */
|
||
#if LONG_MAX == INT_MAX
|
||
case PA_INT|PA_FLAG_LONG:
|
||
#endif
|
||
T (PA_INT, pa_int, int);
|
||
#if LONG_MAX == LONG_LONG_MAX
|
||
case PA_INT|PA_FLAG_LONG:
|
||
#endif
|
||
T (PA_INT|PA_FLAG_LONG_LONG, pa_long_long_int, long long int);
|
||
#if LONG_MAX != INT_MAX && LONG_MAX != LONG_LONG_MAX
|
||
# error "he?"
|
||
#endif
|
||
case PA_FLOAT: /* Promoted. */
|
||
T (PA_DOUBLE, pa_double, double);
|
||
case PA_DOUBLE|PA_FLAG_LONG_DOUBLE:
|
||
if (__ldbl_is_dbl)
|
||
{
|
||
args_value[cnt].pa_double = va_arg (*ap_savep, double);
|
||
args_type[cnt] &= ~PA_FLAG_LONG_DOUBLE;
|
||
}
|
||
else
|
||
args_value[cnt].pa_long_double = va_arg (*ap_savep, long double);
|
||
break;
|
||
case PA_STRING: /* All pointers are the same */
|
||
case PA_WSTRING: /* All pointers are the same */
|
||
T (PA_POINTER, pa_pointer, void *);
|
||
#undef T
|
||
default:
|
||
if ((args_type[cnt] & PA_FLAG_PTR) != 0)
|
||
args_value[cnt].pa_pointer = va_arg (*ap_savep, void *);
|
||
else if (__glibc_unlikely (__printf_va_arg_table != NULL)
|
||
&& __printf_va_arg_table[args_type[cnt] - PA_LAST] != NULL)
|
||
{
|
||
args_value[cnt].pa_user = alloca (args_size[cnt]);
|
||
(*__printf_va_arg_table[args_type[cnt] - PA_LAST])
|
||
(args_value[cnt].pa_user, ap_savep);
|
||
}
|
||
else
|
||
args_value[cnt].pa_long_double = 0.0;
|
||
break;
|
||
case -1:
|
||
/* Error case. Not all parameters appear in N$ format
|
||
strings. We have no way to determine their type. */
|
||
assert (s->_flags2 & _IO_FLAGS2_FORTIFY);
|
||
__libc_fatal ("*** invalid %N$ use detected ***\n");
|
||
}
|
||
|
||
/* Now walk through all format specifiers and process them. */
|
||
for (; (size_t) nspecs_done < nspecs; ++nspecs_done)
|
||
{
|
||
STEP4_TABLE;
|
||
|
||
int is_negative;
|
||
union
|
||
{
|
||
unsigned long long int longlong;
|
||
unsigned long int word;
|
||
} number;
|
||
int base;
|
||
union printf_arg the_arg;
|
||
CHAR_T *string; /* Pointer to argument string. */
|
||
|
||
/* Fill variables from values in struct. */
|
||
int alt = specs[nspecs_done].info.alt;
|
||
int space = specs[nspecs_done].info.space;
|
||
int left = specs[nspecs_done].info.left;
|
||
int showsign = specs[nspecs_done].info.showsign;
|
||
int group = specs[nspecs_done].info.group;
|
||
int is_long_double = specs[nspecs_done].info.is_long_double;
|
||
int is_short = specs[nspecs_done].info.is_short;
|
||
int is_char = specs[nspecs_done].info.is_char;
|
||
int is_long = specs[nspecs_done].info.is_long;
|
||
int width = specs[nspecs_done].info.width;
|
||
int prec = specs[nspecs_done].info.prec;
|
||
int use_outdigits = specs[nspecs_done].info.i18n;
|
||
char pad = specs[nspecs_done].info.pad;
|
||
CHAR_T spec = specs[nspecs_done].info.spec;
|
||
|
||
workstart = NULL;
|
||
CHAR_T *workend = work_buffer + WORK_BUFFER_SIZE;
|
||
|
||
/* Fill in last information. */
|
||
if (specs[nspecs_done].width_arg != -1)
|
||
{
|
||
/* Extract the field width from an argument. */
|
||
specs[nspecs_done].info.width =
|
||
args_value[specs[nspecs_done].width_arg].pa_int;
|
||
|
||
if (specs[nspecs_done].info.width < 0)
|
||
/* If the width value is negative left justification is
|
||
selected and the value is taken as being positive. */
|
||
{
|
||
specs[nspecs_done].info.width *= -1;
|
||
left = specs[nspecs_done].info.left = 1;
|
||
}
|
||
width = specs[nspecs_done].info.width;
|
||
}
|
||
|
||
if (specs[nspecs_done].prec_arg != -1)
|
||
{
|
||
/* Extract the precision from an argument. */
|
||
specs[nspecs_done].info.prec =
|
||
args_value[specs[nspecs_done].prec_arg].pa_int;
|
||
|
||
if (specs[nspecs_done].info.prec < 0)
|
||
/* If the precision is negative the precision is
|
||
omitted. */
|
||
specs[nspecs_done].info.prec = -1;
|
||
|
||
prec = specs[nspecs_done].info.prec;
|
||
}
|
||
|
||
/* Maybe the buffer is too small. */
|
||
if (MAX (prec, width) + 32 > WORK_BUFFER_SIZE)
|
||
{
|
||
if (__libc_use_alloca ((MAX (prec, width) + 32)
|
||
* sizeof (CHAR_T)))
|
||
workend = ((CHAR_T *) alloca ((MAX (prec, width) + 32)
|
||
* sizeof (CHAR_T))
|
||
+ (MAX (prec, width) + 32));
|
||
else
|
||
{
|
||
workstart = (CHAR_T *) malloc ((MAX (prec, width) + 32)
|
||
* sizeof (CHAR_T));
|
||
if (workstart == NULL)
|
||
{
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
workend = workstart + (MAX (prec, width) + 32);
|
||
}
|
||
}
|
||
|
||
/* Process format specifiers. */
|
||
while (1)
|
||
{
|
||
extern printf_function **__printf_function_table;
|
||
int function_done;
|
||
|
||
if (spec <= UCHAR_MAX
|
||
&& __printf_function_table != NULL
|
||
&& __printf_function_table[(size_t) spec] != NULL)
|
||
{
|
||
const void **ptr = alloca (specs[nspecs_done].ndata_args
|
||
* sizeof (const void *));
|
||
|
||
/* Fill in an array of pointers to the argument values. */
|
||
for (unsigned int i = 0; i < specs[nspecs_done].ndata_args;
|
||
++i)
|
||
ptr[i] = &args_value[specs[nspecs_done].data_arg + i];
|
||
|
||
/* Call the function. */
|
||
function_done = __printf_function_table[(size_t) spec]
|
||
(s, &specs[nspecs_done].info, ptr);
|
||
|
||
if (function_done != -2)
|
||
{
|
||
/* If an error occurred we don't have information
|
||
about # of chars. */
|
||
if (function_done < 0)
|
||
{
|
||
/* Function has set errno. */
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
done_add (function_done);
|
||
break;
|
||
}
|
||
}
|
||
|
||
JUMP (spec, step4_jumps);
|
||
|
||
process_arg ((&specs[nspecs_done]));
|
||
process_string_arg ((&specs[nspecs_done]));
|
||
|
||
LABEL (form_unknown):
|
||
{
|
||
unsigned int i;
|
||
const void **ptr;
|
||
|
||
ptr = alloca (specs[nspecs_done].ndata_args
|
||
* sizeof (const void *));
|
||
|
||
/* Fill in an array of pointers to the argument values. */
|
||
for (i = 0; i < specs[nspecs_done].ndata_args; ++i)
|
||
ptr[i] = &args_value[specs[nspecs_done].data_arg + i];
|
||
|
||
/* Call the function. */
|
||
function_done = printf_unknown (s, &specs[nspecs_done].info,
|
||
ptr);
|
||
|
||
/* If an error occurred we don't have information about #
|
||
of chars. */
|
||
if (function_done < 0)
|
||
{
|
||
/* Function has set errno. */
|
||
done = -1;
|
||
goto all_done;
|
||
}
|
||
|
||
done_add (function_done);
|
||
}
|
||
break;
|
||
}
|
||
|
||
if (__glibc_unlikely (workstart != NULL))
|
||
free (workstart);
|
||
workstart = NULL;
|
||
|
||
/* Write the following constant string. */
|
||
outstring (specs[nspecs_done].end_of_fmt,
|
||
specs[nspecs_done].next_fmt
|
||
- specs[nspecs_done].end_of_fmt);
|
||
}
|
||
all_done:
|
||
if (__glibc_unlikely (args_malloced != NULL))
|
||
free (args_malloced);
|
||
if (__glibc_unlikely (workstart != NULL))
|
||
free (workstart);
|
||
scratch_buffer_free (&specsbuf);
|
||
return done;
|
||
}
|
||
|
||
/* Handle an unknown format specifier. This prints out a canonicalized
|
||
representation of the format spec itself. */
|
||
static int
|
||
printf_unknown (FILE *s, const struct printf_info *info,
|
||
const void *const *args)
|
||
|
||
{
|
||
int done = 0;
|
||
CHAR_T work_buffer[MAX (sizeof (info->width), sizeof (info->prec)) * 3];
|
||
CHAR_T *const workend
|
||
= &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)];
|
||
CHAR_T *w;
|
||
|
||
outchar (L_('%'));
|
||
|
||
if (info->alt)
|
||
outchar (L_('#'));
|
||
if (info->group)
|
||
outchar (L_('\''));
|
||
if (info->showsign)
|
||
outchar (L_('+'));
|
||
else if (info->space)
|
||
outchar (L_(' '));
|
||
if (info->left)
|
||
outchar (L_('-'));
|
||
if (info->pad == L_('0'))
|
||
outchar (L_('0'));
|
||
if (info->i18n)
|
||
outchar (L_('I'));
|
||
|
||
if (info->width != 0)
|
||
{
|
||
w = _itoa_word (info->width, workend, 10, 0);
|
||
while (w < workend)
|
||
outchar (*w++);
|
||
}
|
||
|
||
if (info->prec != -1)
|
||
{
|
||
outchar (L_('.'));
|
||
w = _itoa_word (info->prec, workend, 10, 0);
|
||
while (w < workend)
|
||
outchar (*w++);
|
||
}
|
||
|
||
if (info->spec != L_('\0'))
|
||
outchar (info->spec);
|
||
|
||
all_done:
|
||
return done;
|
||
}
|
||
|
||
/* Group the digits according to the grouping rules of the current locale.
|
||
The interpretation of GROUPING is as in `struct lconv' from <locale.h>. */
|
||
static CHAR_T *
|
||
internal_function
|
||
group_number (CHAR_T *w, CHAR_T *rear_ptr, const char *grouping,
|
||
THOUSANDS_SEP_T thousands_sep)
|
||
{
|
||
int len;
|
||
CHAR_T *src, *s;
|
||
#ifndef COMPILE_WPRINTF
|
||
int tlen = strlen (thousands_sep);
|
||
#endif
|
||
|
||
/* We treat all negative values like CHAR_MAX. */
|
||
|
||
if (*grouping == CHAR_MAX || *grouping <= 0)
|
||
/* No grouping should be done. */
|
||
return w;
|
||
|
||
len = *grouping++;
|
||
|
||
/* Copy existing string so that nothing gets overwritten. */
|
||
src = (CHAR_T *) alloca ((rear_ptr - w) * sizeof (CHAR_T));
|
||
s = (CHAR_T *) __mempcpy (src, w,
|
||
(rear_ptr - w) * sizeof (CHAR_T));
|
||
w = rear_ptr;
|
||
|
||
/* Process all characters in the string. */
|
||
while (s > src)
|
||
{
|
||
*--w = *--s;
|
||
|
||
if (--len == 0 && s > src)
|
||
{
|
||
/* A new group begins. */
|
||
#ifdef COMPILE_WPRINTF
|
||
*--w = thousands_sep;
|
||
#else
|
||
int cnt = tlen;
|
||
do
|
||
*--w = thousands_sep[--cnt];
|
||
while (cnt > 0);
|
||
#endif
|
||
|
||
if (*grouping == CHAR_MAX
|
||
#if CHAR_MIN < 0
|
||
|| *grouping < 0
|
||
#endif
|
||
)
|
||
{
|
||
/* No further grouping to be done.
|
||
Copy the rest of the number. */
|
||
do
|
||
*--w = *--s;
|
||
while (s > src);
|
||
break;
|
||
}
|
||
else if (*grouping != '\0')
|
||
/* The previous grouping repeats ad infinitum. */
|
||
len = *grouping++;
|
||
else
|
||
len = grouping[-1];
|
||
}
|
||
}
|
||
return w;
|
||
}
|
||
|
||
/* Helper "class" for `fprintf to unbuffered': creates a temporary buffer. */
|
||
struct helper_file
|
||
{
|
||
struct _IO_FILE_plus _f;
|
||
#ifdef COMPILE_WPRINTF
|
||
struct _IO_wide_data _wide_data;
|
||
#endif
|
||
_IO_FILE *_put_stream;
|
||
#ifdef _IO_MTSAFE_IO
|
||
_IO_lock_t lock;
|
||
#endif
|
||
};
|
||
|
||
static int
|
||
_IO_helper_overflow (_IO_FILE *s, int c)
|
||
{
|
||
_IO_FILE *target = ((struct helper_file*) s)->_put_stream;
|
||
#ifdef COMPILE_WPRINTF
|
||
int used = s->_wide_data->_IO_write_ptr - s->_wide_data->_IO_write_base;
|
||
if (used)
|
||
{
|
||
_IO_size_t written = _IO_sputn (target, s->_wide_data->_IO_write_base,
|
||
used);
|
||
if (written == 0 || written == WEOF)
|
||
return WEOF;
|
||
__wmemmove (s->_wide_data->_IO_write_base,
|
||
s->_wide_data->_IO_write_base + written,
|
||
used - written);
|
||
s->_wide_data->_IO_write_ptr -= written;
|
||
}
|
||
#else
|
||
int used = s->_IO_write_ptr - s->_IO_write_base;
|
||
if (used)
|
||
{
|
||
_IO_size_t written = _IO_sputn (target, s->_IO_write_base, used);
|
||
if (written == 0 || written == EOF)
|
||
return EOF;
|
||
memmove (s->_IO_write_base, s->_IO_write_base + written,
|
||
used - written);
|
||
s->_IO_write_ptr -= written;
|
||
}
|
||
#endif
|
||
return PUTC (c, s);
|
||
}
|
||
|
||
#ifdef COMPILE_WPRINTF
|
||
static const struct _IO_jump_t _IO_helper_jumps libio_vtable =
|
||
{
|
||
JUMP_INIT_DUMMY,
|
||
JUMP_INIT (finish, _IO_wdefault_finish),
|
||
JUMP_INIT (overflow, _IO_helper_overflow),
|
||
JUMP_INIT (underflow, _IO_default_underflow),
|
||
JUMP_INIT (uflow, _IO_default_uflow),
|
||
JUMP_INIT (pbackfail, (_IO_pbackfail_t) _IO_wdefault_pbackfail),
|
||
JUMP_INIT (xsputn, _IO_wdefault_xsputn),
|
||
JUMP_INIT (xsgetn, _IO_wdefault_xsgetn),
|
||
JUMP_INIT (seekoff, _IO_default_seekoff),
|
||
JUMP_INIT (seekpos, _IO_default_seekpos),
|
||
JUMP_INIT (setbuf, _IO_default_setbuf),
|
||
JUMP_INIT (sync, _IO_default_sync),
|
||
JUMP_INIT (doallocate, _IO_wdefault_doallocate),
|
||
JUMP_INIT (read, _IO_default_read),
|
||
JUMP_INIT (write, _IO_default_write),
|
||
JUMP_INIT (seek, _IO_default_seek),
|
||
JUMP_INIT (close, _IO_default_close),
|
||
JUMP_INIT (stat, _IO_default_stat)
|
||
};
|
||
#else
|
||
static const struct _IO_jump_t _IO_helper_jumps libio_vtable =
|
||
{
|
||
JUMP_INIT_DUMMY,
|
||
JUMP_INIT (finish, _IO_default_finish),
|
||
JUMP_INIT (overflow, _IO_helper_overflow),
|
||
JUMP_INIT (underflow, _IO_default_underflow),
|
||
JUMP_INIT (uflow, _IO_default_uflow),
|
||
JUMP_INIT (pbackfail, _IO_default_pbackfail),
|
||
JUMP_INIT (xsputn, _IO_default_xsputn),
|
||
JUMP_INIT (xsgetn, _IO_default_xsgetn),
|
||
JUMP_INIT (seekoff, _IO_default_seekoff),
|
||
JUMP_INIT (seekpos, _IO_default_seekpos),
|
||
JUMP_INIT (setbuf, _IO_default_setbuf),
|
||
JUMP_INIT (sync, _IO_default_sync),
|
||
JUMP_INIT (doallocate, _IO_default_doallocate),
|
||
JUMP_INIT (read, _IO_default_read),
|
||
JUMP_INIT (write, _IO_default_write),
|
||
JUMP_INIT (seek, _IO_default_seek),
|
||
JUMP_INIT (close, _IO_default_close),
|
||
JUMP_INIT (stat, _IO_default_stat)
|
||
};
|
||
#endif
|
||
|
||
static int
|
||
internal_function
|
||
buffered_vfprintf (_IO_FILE *s, const CHAR_T *format,
|
||
_IO_va_list args)
|
||
{
|
||
CHAR_T buf[_IO_BUFSIZ];
|
||
struct helper_file helper;
|
||
_IO_FILE *hp = (_IO_FILE *) &helper._f;
|
||
int result, to_flush;
|
||
|
||
/* Orient the stream. */
|
||
#ifdef ORIENT
|
||
ORIENT;
|
||
#endif
|
||
|
||
/* Initialize helper. */
|
||
helper._put_stream = s;
|
||
#ifdef COMPILE_WPRINTF
|
||
hp->_wide_data = &helper._wide_data;
|
||
_IO_wsetp (hp, buf, buf + sizeof buf / sizeof (CHAR_T));
|
||
hp->_mode = 1;
|
||
#else
|
||
_IO_setp (hp, buf, buf + sizeof buf);
|
||
hp->_mode = -1;
|
||
#endif
|
||
hp->_IO_file_flags = _IO_MAGIC|_IO_NO_READS|_IO_USER_LOCK;
|
||
#if _IO_JUMPS_OFFSET
|
||
hp->_vtable_offset = 0;
|
||
#endif
|
||
#ifdef _IO_MTSAFE_IO
|
||
hp->_lock = NULL;
|
||
#endif
|
||
hp->_flags2 = s->_flags2;
|
||
_IO_JUMPS (&helper._f) = (struct _IO_jump_t *) &_IO_helper_jumps;
|
||
|
||
/* Now print to helper instead. */
|
||
#ifndef COMPILE_WPRINTF
|
||
result = _IO_vfprintf (hp, format, args);
|
||
#else
|
||
result = vfprintf (hp, format, args);
|
||
#endif
|
||
|
||
/* Lock stream. */
|
||
__libc_cleanup_region_start (1, (void (*) (void *)) &_IO_funlockfile, s);
|
||
_IO_flockfile (s);
|
||
|
||
/* Now flush anything from the helper to the S. */
|
||
#ifdef COMPILE_WPRINTF
|
||
if ((to_flush = (hp->_wide_data->_IO_write_ptr
|
||
- hp->_wide_data->_IO_write_base)) > 0)
|
||
{
|
||
if ((int) _IO_sputn (s, hp->_wide_data->_IO_write_base, to_flush)
|
||
!= to_flush)
|
||
result = -1;
|
||
}
|
||
#else
|
||
if ((to_flush = hp->_IO_write_ptr - hp->_IO_write_base) > 0)
|
||
{
|
||
if ((int) _IO_sputn (s, hp->_IO_write_base, to_flush) != to_flush)
|
||
result = -1;
|
||
}
|
||
#endif
|
||
|
||
/* Unlock the stream. */
|
||
_IO_funlockfile (s);
|
||
__libc_cleanup_region_end (0);
|
||
|
||
return result;
|
||
}
|
||
|
||
#undef vfprintf
|
||
#ifdef COMPILE_WPRINTF
|
||
strong_alias (_IO_vfwprintf, __vfwprintf);
|
||
ldbl_weak_alias (_IO_vfwprintf, vfwprintf);
|
||
#else
|
||
ldbl_strong_alias (_IO_vfprintf_internal, vfprintf);
|
||
ldbl_hidden_def (_IO_vfprintf_internal, vfprintf)
|
||
ldbl_strong_alias (_IO_vfprintf_internal, _IO_vfprintf);
|
||
ldbl_hidden_def (_IO_vfprintf_internal, _IO_vfprintf)
|
||
#endif
|