| /* Copyright (C) 1991-2014 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <ctype.h> |
| #include <limits.h> |
| #include <printf.h> |
| #include <stdarg.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <wchar.h> |
| #include <bits/libc-lock.h> |
| #include <sys/param.h> |
| #include <_itoa.h> |
| #include <locale/localeinfo.h> |
| #include <stdio.h> |
| |
| /* This code is shared between the standard stdio implementation found |
| in GNU C library and the libio implementation originally found in |
| GNU libg++. |
| |
| Beside this it is also shared between the normal and wide character |
| implementation as defined in ISO/IEC 9899:1990/Amendment 1:1995. */ |
| |
| |
| #include <libioP.h> |
| #define FILE _IO_FILE |
| #undef va_list |
| #define va_list _IO_va_list |
| #undef BUFSIZ |
| #define BUFSIZ _IO_BUFSIZ |
| #define ARGCHECK(S, Format) \ |
| do \ |
| { \ |
| /* Check file argument for consistence. */ \ |
| CHECK_FILE (S, -1); \ |
| if (S->_flags & _IO_NO_WRITES) \ |
| { \ |
| S->_flags |= _IO_ERR_SEEN; \ |
| __set_errno (EBADF); \ |
| return -1; \ |
| } \ |
| if (Format == NULL) \ |
| { \ |
| MAYBE_SET_EINVAL; \ |
| return -1; \ |
| } \ |
| } while (0) |
| #define UNBUFFERED_P(S) ((S)->_IO_file_flags & _IO_UNBUFFERED) |
| |
| #define done_add(val) \ |
| do { \ |
| unsigned int _val = val; \ |
| assert ((unsigned int) done < (unsigned int) INT_MAX); \ |
| if (__glibc_unlikely (INT_MAX - done < _val)) \ |
| { \ |
| done = -1; \ |
| __set_errno (EOVERFLOW); \ |
| goto all_done; \ |
| } \ |
| done += _val; \ |
| } while (0) |
| |
| #ifndef COMPILE_WPRINTF |
| # define vfprintf _IO_vfprintf_internal |
| # define CHAR_T char |
| # define UCHAR_T unsigned char |
| # define INT_T int |
| # define L_(Str) Str |
| # define ISDIGIT(Ch) ((unsigned int) ((Ch) - '0') < 10) |
| # define STR_LEN(Str) strlen (Str) |
| |
| # define PUT(F, S, N) _IO_sputn ((F), (S), (N)) |
| # define PAD(Padchar) \ |
| do { \ |
| if (width > 0) \ |
| { \ |
| _IO_ssize_t written = _IO_padn (s, (Padchar), width); \ |
| if (__glibc_unlikely (written != width)) \ |
| { \ |
| done = -1; \ |
| goto all_done; \ |
| } \ |
| done_add (written); \ |
| } \ |
| } while (0) |
| # define PUTC(C, F) _IO_putc_unlocked (C, F) |
| # define ORIENT if (_IO_vtable_offset (s) == 0 && _IO_fwide (s, -1) != -1)\ |
| return -1 |
| #else |
| # define vfprintf _IO_vfwprintf |
| # define CHAR_T wchar_t |
| /* This is a hack!!! There should be a type uwchar_t. */ |
| # define UCHAR_T unsigned int /* uwchar_t */ |
| # define INT_T wint_t |
| # define L_(Str) L##Str |
| # define ISDIGIT(Ch) ((unsigned int) ((Ch) - L'0') < 10) |
| # define STR_LEN(Str) __wcslen (Str) |
| |
| # include <_itowa.h> |
| |
| # define PUT(F, S, N) _IO_sputn ((F), (S), (N)) |
| # define PAD(Padchar) \ |
| do { \ |
| if (width > 0) \ |
| { \ |
| _IO_ssize_t written = _IO_wpadn (s, (Padchar), width); \ |
| if (__glibc_unlikely (written != width)) \ |
| { \ |
| done = -1; \ |
| goto all_done; \ |
| } \ |
| done_add (written); \ |
| } \ |
| } while (0) |
| # define PUTC(C, F) _IO_putwc_unlocked (C, F) |
| # define ORIENT if (_IO_fwide (s, 1) != 1) return -1 |
| |
| # undef _itoa |
| # define _itoa(Val, Buf, Base, Case) _itowa (Val, Buf, Base, Case) |
| # define _itoa_word(Val, Buf, Base, Case) _itowa_word (Val, Buf, Base, Case) |
| # undef EOF |
| # define EOF WEOF |
| #endif |
| |
| #include "_i18n_number.h" |
| |
| /* Include the shared code for parsing the format string. */ |
| #include "printf-parse.h" |
| |
| |
| #define outchar(Ch) \ |
| do \ |
| { \ |
| const INT_T outc = (Ch); \ |
| if (PUTC (outc, s) == EOF || done == INT_MAX) \ |
| { \ |
| done = -1; \ |
| goto all_done; \ |
| } \ |
| ++done; \ |
| } \ |
| while (0) |
| |
| #define outstring(String, Len) \ |
| do \ |
| { \ |
| assert ((size_t) done <= (size_t) INT_MAX); \ |
| if ((size_t) PUT (s, (String), (Len)) != (size_t) (Len)) \ |
| { \ |
| done = -1; \ |
| goto all_done; \ |
| } \ |
| if (__glibc_unlikely (INT_MAX - done < (Len))) \ |
| { \ |
| done = -1; \ |
| __set_errno (EOVERFLOW); \ |
| goto all_done; \ |
| } \ |
| done += (Len); \ |
| } \ |
| while (0) |
| |
| /* For handling long_double and longlong we use the same flag. If |
| `long' and `long long' are effectively the same type define it to |
| zero. */ |
| #if LONG_MAX == LONG_LONG_MAX |
| # define is_longlong 0 |
| #else |
| # define is_longlong is_long_double |
| #endif |
| |
| /* If `long' and `int' is effectively the same type we don't have to |
| handle `long separately. */ |
| #if INT_MAX == LONG_MAX |
| # define is_long_num 0 |
| #else |
| # define is_long_num is_long |
| #endif |
| |
| |
| /* Global variables. */ |
| static const CHAR_T null[] = L_("(null)"); |
| |
| |
| /* 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 unknown format specifier. */ |
| static int printf_unknown (FILE *, const struct printf_info *, |
| const void *const *) __THROW; |
| |
| /* Group digits of number string. */ |
| #ifdef COMPILE_WPRINTF |
| static CHAR_T *group_number (CHAR_T *, CHAR_T *, const char *, wchar_t) |
| __THROW internal_function; |
| #else |
| static CHAR_T *group_number (CHAR_T *, CHAR_T *, const char *, const char *) |
| __THROW internal_function; |
| #endif |
| |
| |
| /* The function itself. */ |
| int |
| vfprintf (FILE *s, const CHAR_T *format, va_list ap) |
| { |
| /* The character used as thousands separator. */ |
| #ifdef COMPILE_WPRINTF |
| wchar_t thousands_sep = L'\0'; |
| #else |
| const char *thousands_sep = NULL; |
| #endif |
| |
| /* 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[1000]; |
| 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; |
| |
| /* For the argument descriptions, which may be allocated on the heap. */ |
| void *args_malloced = NULL; |
| |
| /* This table maps a character into a number representing a |
| class. In each step there is a destination label for each |
| class. */ |
| static const uint8_t jump_table[] = |
| { |
| /* ' ' */ 1, 0, 0, /* '#' */ 4, |
| 0, /* '%' */ 14, 0, /* '\''*/ 6, |
| 0, 0, /* '*' */ 7, /* '+' */ 2, |
| 0, /* '-' */ 3, /* '.' */ 9, 0, |
| /* '0' */ 5, /* '1' */ 8, /* '2' */ 8, /* '3' */ 8, |
| /* '4' */ 8, /* '5' */ 8, /* '6' */ 8, /* '7' */ 8, |
| /* '8' */ 8, /* '9' */ 8, 0, 0, |
| 0, 0, 0, 0, |
| 0, /* 'A' */ 26, 0, /* 'C' */ 25, |
| 0, /* 'E' */ 19, /* F */ 19, /* 'G' */ 19, |
| 0, /* 'I' */ 29, 0, 0, |
| /* 'L' */ 12, 0, 0, 0, |
| 0, 0, 0, /* 'S' */ 21, |
| 0, 0, 0, 0, |
| /* 'X' */ 18, 0, /* 'Z' */ 13, 0, |
| 0, 0, 0, 0, |
| 0, /* 'a' */ 26, 0, /* 'c' */ 20, |
| /* 'd' */ 15, /* 'e' */ 19, /* 'f' */ 19, /* 'g' */ 19, |
| /* 'h' */ 10, /* 'i' */ 15, /* 'j' */ 28, 0, |
| /* 'l' */ 11, /* 'm' */ 24, /* 'n' */ 23, /* 'o' */ 17, |
| /* 'p' */ 22, /* 'q' */ 12, 0, /* 's' */ 21, |
| /* 't' */ 27, /* 'u' */ 16, 0, 0, |
| /* 'x' */ 18, 0, /* 'z' */ 13 |
| }; |
| |
| #define NOT_IN_JUMP_RANGE(Ch) ((Ch) < L_(' ') || (Ch) > L_('z')) |
| #define CHAR_CLASS(Ch) (jump_table[(INT_T) (Ch) - L_(' ')]) |
| #ifdef SHARED |
| /* 'int' is enough and it saves some space on 64 bit systems. */ |
| # define JUMP_TABLE_TYPE const int |
| # define JUMP(ChExpr, table) \ |
| do \ |
| { \ |
| int offset; \ |
| void *ptr; \ |
| spec = (ChExpr); \ |
| offset = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \ |
| : table[CHAR_CLASS (spec)]; \ |
| ptr = &&do_form_unknown + offset; \ |
| goto *ptr; \ |
| } \ |
| while (0) |
| #else |
| # define JUMP_TABLE_TYPE const void *const |
| # define JUMP(ChExpr, table) \ |
| do \ |
| { \ |
| const void *ptr; \ |
| spec = (ChExpr); \ |
| ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \ |
| : table[CHAR_CLASS (spec)]; \ |
| goto *ptr; \ |
| } \ |
| while (0) |
| #endif |
| |
| #define STEP0_3_TABLE \ |
| /* Step 0: at the beginning. */ \ |
| static JUMP_TABLE_TYPE step0_jumps[30] = \ |
| { \ |
| REF (form_unknown), \ |
| REF (flag_space), /* for ' ' */ \ |
| REF (flag_plus), /* for '+' */ \ |
| REF (flag_minus), /* for '-' */ \ |
| REF (flag_hash), /* for '<hash>' */ \ |
| REF (flag_zero), /* for '0' */ \ |
| REF (flag_quote), /* for '\'' */ \ |
| REF (width_asterics), /* for '*' */ \ |
| REF (width), /* for '1'...'9' */ \ |
| REF (precision), /* 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 (flag_i18n), /* for 'I' */ \ |
| }; \ |
| /* Step 1: after processing width. */ \ |
| static JUMP_TABLE_TYPE step1_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 (precision), /* 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 2: after processing precision. */ \ |
| static JUMP_TABLE_TYPE step2_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_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; \ |
| is_long = 0; /* This is no wide-char string. */ \ |
| 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, \ |
| sizeof work_buffer); \ |
| 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_CUR_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 |
| |
| /* 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 |
| { |
| #ifdef SHARED |
| # define REF(Name) &&do_##Name - &&do_form_unknown |
| #else |
| # define REF(Name) &&do_##Name |
| #endif |
| #define LABEL(Name) do_##Name |
| 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[sizeof (work_buffer) / sizeof (CHAR_T)]; |
| |
| /* 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_('$')) |
| /* The width comes from a positional parameter. */ |
| goto do_positional; |
| } |
| width = va_arg (ap, int); |
| |
| /* Negative width means left justified. */ |
| if (width < 0) |
| { |
| width = -width; |
| pad = L_(' '); |
| left = 1; |
| } |
| |
| if (__glibc_unlikely (width >= INT_MAX / sizeof (CHAR_T) - 32)) |
| { |
| __set_errno (EOVERFLOW); |
| done = -1; |
| goto all_done; |
| } |
| |
| if (width >= sizeof (work_buffer) / sizeof (work_buffer[0]) - 32) |
| { |
| /* We have to use a special buffer. The "32" is just a safe |
| bet for all the output which is not counted in the width. */ |
| size_t needed = ((size_t) width + 32) * sizeof (CHAR_T); |
| if (__libc_use_alloca (needed)) |
| workend = (CHAR_T *) alloca (needed) + width + 32; |
| else |
| { |
| workstart = (CHAR_T *) malloc (needed); |
| if (workstart == NULL) |
| { |
| done = -1; |
| goto all_done; |
| } |
| workend = workstart + width + 32; |
| } |
| } |
| } |
| JUMP (*f, step1_jumps); |
| |
| /* Given width in format string. */ |
| LABEL (width): |
| width = read_int (&f); |
| |
| if (__glibc_unlikely (width == -1 |
| || width >= INT_MAX / sizeof (CHAR_T) - 32)) |
| { |
| __set_errno (EOVERFLOW); |
| done = -1; |
| goto all_done; |
| } |
| |
| if (width >= sizeof (work_buffer) / sizeof (work_buffer[0]) - 32) |
| { |
| /* We have to use a special buffer. The "32" is just a safe |
| bet for all the output which is not counted in the width. */ |
| size_t needed = ((size_t) width + 32) * sizeof (CHAR_T); |
| if (__libc_use_alloca (needed)) |
| workend = (CHAR_T *) alloca (needed) + width + 32; |
| else |
| { |
| workstart = (CHAR_T *) malloc (needed); |
| if (workstart == NULL) |
| { |
| done = -1; |
| goto all_done; |
| } |
| workend = workstart + width + 32; |
| } |
| } |
| if (*f == L_('$')) |
| /* 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 > sizeof (work_buffer) / sizeof (work_buffer[0]) - 32) |
| { |
| 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; |
| |
| /* Here starts the more complex loop to handle positional parameters. */ |
| do_positional: |
| { |
| /* Array with information about the needed arguments. This has to |
| be dynamically extensible. */ |
| size_t nspecs = 0; |
| /* A more or less arbitrary start value. */ |
| size_t nspecs_size = 32 * sizeof (struct printf_spec); |
| struct printf_spec *specs = alloca (nspecs_size); |
| |
| /* 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; |
| |
| if (__glibc_unlikely (workstart != NULL)) |
| free (workstart); |
| 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 (f = lead_str_end; *f != L_('\0'); f = specs[nspecs++].next_fmt) |
| { |
| if (nspecs * sizeof (*specs) >= nspecs_size) |
| { |
| /* Extend the array of format specifiers. */ |
| struct printf_spec *old = specs; |
| specs = extend_alloca (specs, nspecs_size, 2 * nspecs_size); |
| |
| /* Copy the old array's elements to the new space. */ |
| memmove (specs, old, nspecs * sizeof (*specs)); |
| } |
| |
| /* 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_save, 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_save, double); |
| args_type[cnt] &= ~PA_FLAG_LONG_DOUBLE; |
| } |
| else |
| args_value[cnt].pa_long_double = va_arg (ap_save, 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_save, 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_save); |
| } |
| 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) |
| { |
| #undef REF |
| #ifdef SHARED |
| # define REF(Name) &&do2_##Name - &&do_form_unknown |
| #else |
| # define REF(Name) &&do2_##Name |
| #endif |
| #undef LABEL |
| #define LABEL(Name) do2_##Name |
| 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; |
| workend = &work_buffer[sizeof (work_buffer) / sizeof (CHAR_T)]; |
| |
| /* 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 > (int) (sizeof (work_buffer) |
| / sizeof (CHAR_T))) |
| { |
| 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); |
| /* Unlock the stream. */ |
| _IO_funlockfile (s); |
| _IO_cleanup_region_end (0); |
| |
| 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, |
| #ifdef COMPILE_WPRINTF |
| wchar_t thousands_sep |
| #else |
| const char *thousands_sep |
| #endif |
| ) |
| { |
| 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 = |
| { |
| 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 = |
| { |
| 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 |
