osprey/kg++fe/gnu/c-format.c File Reference

#include "config.h"
#include "system.h"
#include "tree.h"
#include "flags.h"
#include "toplev.h"
#include "c-common.h"
#include "intl.h"
#include "diagnostic.h"
#include "langhooks.h"

Include dependency graph for c-format.c:

Go to the source code of this file.

Data Types

type  function_format_info
type  format_length_info
type  format_type_detail
type  format_char_info
type  format_flag_spec
type  format_flag_pair
type  format_kind_info
type  format_wanted_type
type  format_check_results
type  format_check_context

Defines

#define CPLUSPLUS_STD_VER   STD_C94
#define C_STD_VER
#define C_STD_NAME(FEATURE_VER)
#define ADJ_STD(VER)
#define BADLEN   { 0, NULL, NULL }
#define NOLENGTHS   { BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }
#define T_I   &integer_type_node
#define T89_I   { STD_C89, NULL, T_I }
#define T_L   &long_integer_type_node
#define T89_L   { STD_C89, NULL, T_L }
#define T_LL   &long_long_integer_type_node
#define T9L_LL   { STD_C9L, NULL, T_LL }
#define TEX_LL   { STD_EXT, NULL, T_LL }
#define T_S   &short_integer_type_node
#define T89_S   { STD_C89, NULL, T_S }
#define T_UI   &unsigned_type_node
#define T89_UI   { STD_C89, NULL, T_UI }
#define T_UL   &long_unsigned_type_node
#define T89_UL   { STD_C89, NULL, T_UL }
#define T_ULL   &long_long_unsigned_type_node
#define T9L_ULL   { STD_C9L, NULL, T_ULL }
#define TEX_ULL   { STD_EXT, NULL, T_ULL }
#define T_US   &short_unsigned_type_node
#define T89_US   { STD_C89, NULL, T_US }
#define T_F   &float_type_node
#define T89_F   { STD_C89, NULL, T_F }
#define T99_F   { STD_C99, NULL, T_F }
#define T_D   &double_type_node
#define T89_D   { STD_C89, NULL, T_D }
#define T99_D   { STD_C99, NULL, T_D }
#define T_LD   &long_double_type_node
#define T89_LD   { STD_C89, NULL, T_LD }
#define T99_LD   { STD_C99, NULL, T_LD }
#define T_C   &char_type_node
#define T89_C   { STD_C89, NULL, T_C }
#define T_SC   &signed_char_type_node
#define T99_SC   { STD_C99, NULL, T_SC }
#define T_UC   &unsigned_char_type_node
#define T99_UC   { STD_C99, NULL, T_UC }
#define T_V   &void_type_node
#define T89_V   { STD_C89, NULL, T_V }
#define T_W   &wchar_type_node
#define T94_W   { STD_C94, "wchar_t", T_W }
#define TEX_W   { STD_EXT, "wchar_t", T_W }
#define T_WI   &wint_type_node
#define T94_WI   { STD_C94, "wint_t", T_WI }
#define TEX_WI   { STD_EXT, "wint_t", T_WI }
#define T_ST   &size_type_node
#define T99_ST   { STD_C99, "size_t", T_ST }
#define T_SST   &signed_size_type_node
#define T99_SST   { STD_C99, "signed size_t", T_SST }
#define T_PD   &ptrdiff_type_node
#define T99_PD   { STD_C99, "ptrdiff_t", T_PD }
#define T_UPD   &unsigned_ptrdiff_type_node
#define T99_UPD   { STD_C99, "unsigned ptrdiff_t", T_UPD }
#define T_IM   &intmax_type_node
#define T99_IM   { STD_C99, "intmax_t", T_IM }
#define T_UIM   &uintmax_type_node
#define T99_UIM   { STD_C99, "uintmax_t", T_UIM }

Enumerations

enum  format_type {
  printf_format_type, scanf_format_type, strftime_format_type, strfmon_format_type,
  format_type_error, printf_format_type, scanf_format_type, strftime_format_type,
  strfmon_format_type, format_type_error, printf_format_type, asm_fprintf_format_type,
  gcc_diag_format_type, gcc_cdiag_format_type, gcc_cxxdiag_format_type, scanf_format_type,
  strftime_format_type, strfmon_format_type, format_type_error = -1, printf_format_type,
  asm_fprintf_format_type, gcc_diag_format_type, gcc_tdiag_format_type, gcc_cdiag_format_type,
  gcc_cxxdiag_format_type, gcc_gfc_format_type, scanf_format_type, strftime_format_type,
  strfmon_format_type, format_type_error = -1
}
enum  format_lengths {
  FMT_LEN_none, FMT_LEN_hh, FMT_LEN_h, FMT_LEN_l,
  FMT_LEN_ll, FMT_LEN_L, FMT_LEN_z, FMT_LEN_t,
  FMT_LEN_j, FMT_LEN_MAX, FMT_LEN_none, FMT_LEN_hh,
  FMT_LEN_h, FMT_LEN_l, FMT_LEN_ll, FMT_LEN_L,
  FMT_LEN_z, FMT_LEN_t, FMT_LEN_j, FMT_LEN_MAX,
  FMT_LEN_none, FMT_LEN_hh, FMT_LEN_h, FMT_LEN_l,
  FMT_LEN_ll, FMT_LEN_L, FMT_LEN_z, FMT_LEN_t,
  FMT_LEN_j, FMT_LEN_MAX, FMT_LEN_none, FMT_LEN_hh,
  FMT_LEN_h, FMT_LEN_l, FMT_LEN_ll, FMT_LEN_L,
  FMT_LEN_z, FMT_LEN_t, FMT_LEN_j, FMT_LEN_H,
  FMT_LEN_D, FMT_LEN_DD, FMT_LEN_MAX
}
enum  format_std_version {
  STD_C89, STD_C94, STD_C9L, STD_C99,
  STD_EXT, STD_C89, STD_C94, STD_C9L,
  STD_C99, STD_EXT, STD_C89, STD_C94,
  STD_C9L, STD_C99, STD_EXT, STD_C89,
  STD_C94, STD_C9L, STD_C99, STD_EXT
}
enum  {
  FMT_FLAG_ARG_CONVERT = 1, FMT_FLAG_SCANF_A_KLUDGE = 2, FMT_FLAG_FANCY_PERCENT_OK = 4, FMT_FLAG_DOLLAR_MULTIPLE = 8,
  FMT_FLAG_USE_DOLLAR = 16, FMT_FLAG_ZERO_WIDTH_BAD = 32, FMT_FLAG_EMPTY_PREC_OK = 64, FMT_FLAG_DOLLAR_GAP_POINTER_OK = 128
}

Functions/Subroutines

void set_Wformat (int setting)
static bool decode_format_attr PARAMS ((tree, function_format_info *, int))
static enum format_type
decode_format_type 		PARAMS ((const char *))
tree handle_format_attribute (tree *node, name, tree args, int flags, bool *no_add_attrs)
tree handle_format_arg_attribute (tree *node, name, tree args, int flags, bool *no_add_attrs)
static bool decode_format_attr (tree args, function_format_info *info, int validated_p)
static void check_format_info PARAMS ((int *, function_format_info *, tree))
static void check_format_arg PARAMS ((void *, tree, unsigned HOST_WIDE_INT))
static void check_format_info_main PARAMS ((int *, format_check_results *, function_format_info *, const char *, int, tree, unsigned HOST_WIDE_INT))
static void status_warning PARAMS ((int *, const char *,...))
void check_function_format (int *status, tree attrs, tree params)
static void status_warning VPARAMS ((int *status, const char *msgid,...))
static void init_dollar_format_checking (int first_arg_num, tree params)
static int maybe_read_dollar_number (int *status, const char **format, int dollar_needed, tree params, tree *param_ptr, const format_kind_info *fki)
static void finish_dollar_format_checking (int *status, format_check_results *res, int pointer_gap_ok)
static const format_flag_spec * get_flag_spec (format_flag_spec *spec, int flag, const char *predicates) const
static void check_format_info (int *status, function_format_info *info, tree params)
static void check_format_arg (void *ctx, tree format_tree, unsigned HOST_WIDE_INT arg_num)
static void check_format_info_main (int *status, format_check_results *res, function_format_info *info, const char *format_chars, int format_length, tree params, unsigned HOST_WIDE_INT arg_num)
static void check_format_types (int *status, format_wanted_type *types)

Variables

static const format_length_info printf_length_specs []
static const format_length_info scanf_length_specs []
static const format_length_info strfmon_length_specs []
static const format_flag_spec printf_flag_specs []
static const format_flag_pair printf_flag_pairs []
static const format_flag_spec scanf_flag_specs []
static const format_flag_pair scanf_flag_pairs []
static const format_flag_spec strftime_flag_specs []
static const format_flag_pair strftime_flag_pairs []
static const format_flag_spec strfmon_flag_specs []
static const format_flag_pair strfmon_flag_pairs []
static const format_char_info print_char_table []
static const format_char_info scan_char_table []
static const format_char_info time_char_table []
static const format_char_info monetary_char_table []
static const format_kind_info format_types []
static char * dollar_arguments_used = NULL
static char * dollar_arguments_pointer_p = NULL
static int dollar_arguments_alloc = 0
static int dollar_arguments_count
static int dollar_first_arg_num
static int dollar_max_arg_used
static int dollar_format_warned

Define Documentation

#define ADJ_STD ( VER   ) 

Value:

((int)((VER) == STD_C9L           \
               ? (warn_long_long ? STD_C99 : STD_C89) \
               : (VER)))

Definition at line 343 of file c-format.c.

Referenced by check_format_info_main().

#define BADLEN   { 0, NULL, NULL }

Definition at line 411 of file c-format.c.

#define C_STD_NAME ( FEATURE_VER   ) 

Value:

(c_language == clk_cplusplus  \
         ? "ISO C++"      \
         : ((FEATURE_VER) == STD_EXT  \
            ? "ISO C"     \
            : "ISO C90"))

Definition at line 336 of file c-format.c.

Referenced by check_format_info_main(), and maybe_read_dollar_number().

#define C_STD_VER

Value:

((int)(c_language == clk_cplusplus    \
         ? CPLUSPLUS_STD_VER        \
         : (flag_isoc99         \
            ? STD_C99         \
            : (flag_isoc94 ? STD_C94 : STD_C89))))

Definition at line 328 of file c-format.c.

Referenced by check_format_info_main().

#define CPLUSPLUS_STD_VER   STD_C94

Definition at line 326 of file c-format.c.

#define NOLENGTHS   { BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }

Definition at line 412 of file c-format.c.

#define T89_C   { STD_C89, NULL, T_C }

Definition at line 727 of file c-format.c.

#define T89_D   { STD_C89, NULL, T_D }

Definition at line 721 of file c-format.c.

#define T89_F   { STD_C89, NULL, T_F }

Definition at line 718 of file c-format.c.

#define T89_I   { STD_C89, NULL, T_I }

Definition at line 700 of file c-format.c.

#define T89_L   { STD_C89, NULL, T_L }

Definition at line 702 of file c-format.c.

#define T89_LD   { STD_C89, NULL, T_LD }

Definition at line 724 of file c-format.c.

#define T89_S   { STD_C89, NULL, T_S }

Definition at line 707 of file c-format.c.

#define T89_UI   { STD_C89, NULL, T_UI }

Definition at line 709 of file c-format.c.

#define T89_UL   { STD_C89, NULL, T_UL }

Definition at line 711 of file c-format.c.

#define T89_US   { STD_C89, NULL, T_US }

Definition at line 716 of file c-format.c.

#define T89_V   { STD_C89, NULL, T_V }

Definition at line 733 of file c-format.c.

#define T94_W   { STD_C94, "wchar_t", T_W }

Definition at line 735 of file c-format.c.

#define T94_WI   { STD_C94, "wint_t", T_WI }

Definition at line 738 of file c-format.c.

#define T99_D   { STD_C99, NULL, T_D }

Definition at line 722 of file c-format.c.

#define T99_F   { STD_C99, NULL, T_F }

Definition at line 719 of file c-format.c.

#define T99_IM   { STD_C99, "intmax_t", T_IM }

Definition at line 749 of file c-format.c.

#define T99_LD   { STD_C99, NULL, T_LD }

Definition at line 725 of file c-format.c.

#define T99_PD   { STD_C99, "ptrdiff_t", T_PD }

Definition at line 745 of file c-format.c.

#define T99_SC   { STD_C99, NULL, T_SC }

Definition at line 729 of file c-format.c.

#define T99_SST   { STD_C99, "signed size_t", T_SST }

Definition at line 743 of file c-format.c.

#define T99_ST   { STD_C99, "size_t", T_ST }

Definition at line 741 of file c-format.c.

#define T99_UC   { STD_C99, NULL, T_UC }

Definition at line 731 of file c-format.c.

#define T99_UIM   { STD_C99, "uintmax_t", T_UIM }

Definition at line 751 of file c-format.c.

#define T99_UPD   { STD_C99, "unsigned ptrdiff_t", T_UPD }

Definition at line 747 of file c-format.c.

#define T9L_LL   { STD_C9L, NULL, T_LL }

Definition at line 704 of file c-format.c.

#define T9L_ULL   { STD_C9L, NULL, T_ULL }

Definition at line 713 of file c-format.c.

#define T_C   &char_type_node

Definition at line 726 of file c-format.c.

#define T_D   &double_type_node

Definition at line 720 of file c-format.c.

#define T_F   &float_type_node

Definition at line 717 of file c-format.c.

#define T_I   &integer_type_node

Definition at line 699 of file c-format.c.

#define T_IM   &intmax_type_node

Definition at line 748 of file c-format.c.

#define T_L   &long_integer_type_node

Definition at line 701 of file c-format.c.

#define T_LD   &long_double_type_node

Definition at line 723 of file c-format.c.

#define T_LL   &long_long_integer_type_node

Definition at line 703 of file c-format.c.

#define T_PD   &ptrdiff_type_node

Definition at line 744 of file c-format.c.

#define T_S   &short_integer_type_node

Definition at line 706 of file c-format.c.

#define T_SC   &signed_char_type_node

Definition at line 728 of file c-format.c.

#define T_SST   &signed_size_type_node

Definition at line 742 of file c-format.c.

#define T_ST   &size_type_node

Definition at line 740 of file c-format.c.

#define T_UC   &unsigned_char_type_node

Definition at line 730 of file c-format.c.

#define T_UI   &unsigned_type_node

Definition at line 708 of file c-format.c.

#define T_UIM   &uintmax_type_node

Definition at line 750 of file c-format.c.

#define T_UL   &long_unsigned_type_node

Definition at line 710 of file c-format.c.

#define T_ULL   &long_long_unsigned_type_node

Definition at line 712 of file c-format.c.

#define T_UPD   &unsigned_ptrdiff_type_node

Definition at line 746 of file c-format.c.

#define T_US   &short_unsigned_type_node

Definition at line 715 of file c-format.c.

#define T_V   &void_type_node

Definition at line 732 of file c-format.c.

#define T_W   &wchar_type_node

Definition at line 734 of file c-format.c.

#define T_WI   &wint_type_node

Definition at line 737 of file c-format.c.

#define TEX_LL   { STD_EXT, NULL, T_LL }

Definition at line 705 of file c-format.c.

#define TEX_ULL   { STD_EXT, NULL, T_ULL }

Definition at line 714 of file c-format.c.

#define TEX_W   { STD_EXT, "wchar_t", T_W }

Definition at line 736 of file c-format.c.

#define TEX_WI   { STD_EXT, "wint_t", T_WI }

Definition at line 739 of file c-format.c.

Enumeration Type Documentation

anonymous enum

Enumerator:
FMT_FLAG_ARG_CONVERT 
FMT_FLAG_SCANF_A_KLUDGE 
FMT_FLAG_FANCY_PERCENT_OK 
FMT_FLAG_DOLLAR_MULTIPLE 
FMT_FLAG_USE_DOLLAR 
FMT_FLAG_ZERO_WIDTH_BAD 
FMT_FLAG_EMPTY_PREC_OK 
FMT_FLAG_DOLLAR_GAP_POINTER_OK 

Definition at line 348 of file c-format.c.

enum format_lengths

Enumerator:
FMT_LEN_none 
FMT_LEN_hh 
FMT_LEN_h 
FMT_LEN_l 
FMT_LEN_ll 
FMT_LEN_L 
FMT_LEN_z 
FMT_LEN_t 
FMT_LEN_j 
FMT_LEN_MAX 
FMT_LEN_none 
FMT_LEN_hh 
FMT_LEN_h 
FMT_LEN_l 
FMT_LEN_ll 
FMT_LEN_L 
FMT_LEN_z 
FMT_LEN_t 
FMT_LEN_j 
FMT_LEN_MAX 
FMT_LEN_none 
FMT_LEN_hh 
FMT_LEN_h 
FMT_LEN_l 
FMT_LEN_ll 
FMT_LEN_L 
FMT_LEN_z 
FMT_LEN_t 
FMT_LEN_j 
FMT_LEN_MAX 
FMT_LEN_none 
FMT_LEN_hh 
FMT_LEN_h 
FMT_LEN_l 
FMT_LEN_ll 
FMT_LEN_L 
FMT_LEN_z 
FMT_LEN_t 
FMT_LEN_j 
FMT_LEN_H 
FMT_LEN_D 
FMT_LEN_DD 
FMT_LEN_MAX 

Definition at line 299 of file c-format.c.

enum format_std_version

Enumerator:
STD_C89 
STD_C94 
STD_C9L 
STD_C99 
STD_EXT 
STD_C89 
STD_C94 
STD_C9L 
STD_C99 
STD_EXT 
STD_C89 
STD_C94 
STD_C9L 
STD_C99 
STD_EXT 
STD_C89 
STD_C94 
STD_C9L 
STD_C99 
STD_EXT 

Definition at line 315 of file c-format.c.

enum format_type

Enumerator:
printf_format_type 
scanf_format_type 
strftime_format_type 
strfmon_format_type 
format_type_error 
printf_format_type 
scanf_format_type 
strftime_format_type 
strfmon_format_type 
format_type_error 
printf_format_type 
asm_fprintf_format_type 
gcc_diag_format_type 
gcc_cdiag_format_type 
gcc_cxxdiag_format_type 
scanf_format_type 
strftime_format_type 
strfmon_format_type 
format_type_error 
printf_format_type 
asm_fprintf_format_type 
gcc_diag_format_type 
gcc_tdiag_format_type 
gcc_cdiag_format_type 
gcc_cxxdiag_format_type 
gcc_gfc_format_type 
scanf_format_type 
strftime_format_type 
strfmon_format_type 
format_type_error 

Definition at line 65 of file c-format.c.

Function Documentation

static void check_format_arg ( void *  ctx,
tree  format_tree,
unsigned HOST_WIDE_INT  arg_num 
) [static]

Definition at line 1391 of file c-format.c.

References abort, array_size, char_type_node, check_format_info_main(), decl_constant_value(), DECL_SIZE_UNIT, function_format_info::first_arg_num, host_integerp(), HOST_WIDE_INT, info, format_check_context::info, integer_zerop(), format_check_results::number_empty, format_check_results::number_extra_args, format_check_results::number_non_literal, format_check_results::number_other, format_check_results::number_unterminated, format_check_results::number_wide, offset, format_check_context::params, format_check_context::res, format_check_context::status, STRIP_NOPS, TREE_CHAIN, TREE_CODE, TREE_INT_CST_LOW, tree_low_cst(), TREE_OPERAND, TREE_STRING_LENGTH, TREE_STRING_POINTER, TREE_TYPE, and TYPE_MAIN_VARIANT.

Referenced by check_format_info().

static void check_format_info ( int *  status,
function_format_info *  info,
tree  params 
) [static]

Definition at line 1290 of file c-format.c.

References format_wanted_type::arg_num, check_format_arg(), check_function_arguments_recurse(), function_format_info::first_arg_num, format_kind_info::flags, FMT_FLAG_ARG_CONVERT, function_format_info::format_num, function_format_info::format_type, HOST_WIDE_INT, format_check_context::info, format_kind_info::name, format_check_results::number_dollar_extra_args, format_check_results::number_empty, format_check_results::number_extra_args, format_check_results::number_non_literal, format_check_results::number_other, format_check_results::number_unterminated, format_check_results::number_wide, format_check_context::params, format_check_context::res, format_check_context::status, TREE_CHAIN, TREE_VALUE, warn_format_extra_args, warn_format_nonliteral, warn_format_security, and warn_format_zero_length.

Referenced by check_function_format().

static void check_format_info_main ( int *  status,
format_check_results *  res,
function_format_info *  info,
const char *  format_chars,
int  format_length,
tree  params,
unsigned HOST_WIDE_INT  arg_num 
) [static]

Definition at line 1550 of file c-format.c.

References _, ADJ_STD, format_wanted_type::arg_num, format_kind_info::bad_flag_pairs, C_STD_NAME, C_STD_VER, format_wanted_type::char_lenient_flag, check_format_types(), format_kind_info::conversion_specs, d, format_length_info::double_index, format_length_info::double_name, format_length_info::double_std, FALSE, finish_dollar_format_checking(), function_format_info::first_arg_num, format_flag_pair::flag_char1, format_kind_info::flag_chars, format_char_info::flag_chars, flag_isoc99, format_kind_info::flag_specs, format_kind_info::flags, format_char_info::flags2, FMT_FLAG_ARG_CONVERT, FMT_FLAG_DOLLAR_GAP_POINTER_OK, FMT_FLAG_EMPTY_PREC_OK, FMT_FLAG_FANCY_PERCENT_OK, FMT_FLAG_SCANF_A_KLUDGE, FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD, FMT_LEN_none, format_char_info::format_chars, function_format_info::format_type, get_flag_spec(), i, format_length_info::index, init_dollar_format_checking(), ISDIGIT, ISGRAPH, format_kind_info::left_precision_char, format_kind_info::length_char_specs, format_kind_info::length_code_char, format_flag_spec::long_name, maybe_read_dollar_number(), format_kind_info::modifier_chars, format_type_detail::name, format_kind_info::name, format_length_info::name, format_flag_spec::name, format_wanted_type::name, format_wanted_type::next, NULL, format_check_results::number_extra_args, format_check_results::number_other, format_wanted_type::param, pedantic, format_wanted_type::pointer_count, format_char_info::pointer_count, format_kind_info::precision_char, format_kind_info::precision_type, format_flag_pair::predicate, format_wanted_type::reading_from_flag, s, format_flag_spec::skip_next_char, format_type_detail::std, format_length_info::std, format_flag_spec::std, format_char_info::std, STD_C89, strchr, strlen(), format_kind_info::suppression_char, TREE_CHAIN, TREE_VALUE, TRUE, format_type_detail::type, format_char_info::types, void_type_node, format_wanted_type::wanted_type, format_wanted_type::wanted_type_name, warn_format_y2k, format_kind_info::width_char, format_kind_info::width_type, and format_wanted_type::writing_in_flag.

Referenced by check_format_arg().

static void check_format_types ( int *  status,
format_wanted_type *  types 
) [static]

Definition at line 2181 of file c-format.c.

References _, abort, format_wanted_type::arg_num, c_common_signed_type(), c_common_unsigned_type(), format_wanted_type::char_lenient_flag, char_type_node, DECL_NAME, DECL_P, error_mark_node, i, IDENTIFIER_POINTER, integer_zerop(), format_wanted_type::name, format_wanted_type::next, format_wanted_type::param, pedantic, format_wanted_type::pointer_count, format_wanted_type::reading_from_flag, signed_char_type_node, strcmp(), STRIP_NOPS, TREE_CODE, TREE_CODE_CLASS, TREE_OPERAND, TREE_READONLY, TREE_TYPE, TREE_UNSIGNED, TYPE_MAIN_VARIANT, TYPE_NAME, TYPE_PRECISION, TYPE_READONLY, TYPE_RESTRICT, TYPE_VOLATILE, unsigned_char_type_node, void_type_node, format_wanted_type::wanted_type, format_wanted_type::wanted_type_name, and format_wanted_type::writing_in_flag.

Referenced by check_format_info_main().

void check_function_format ( int *  status,
tree  attrs,
tree  params 
)

Definition at line 945 of file c-format.c.

References a, args, c, char_type_node, check_format_info(), current_function_decl, DECL_ARGUMENTS, decode_format_attr(), decode_format_type(), function_format_info::first_arg_num, format_kind_info::flags, FMT_FLAG_ARG_CONVERT, function_format_info::format_type, IDENTIFIER_POINTER, info, is_attribute_p(), format_kind_info::name, NULL_TREE, TREE_CHAIN, TREE_CODE, TREE_PURPOSE, TREE_TYPE, TREE_VALUE, TYPE_ATTRIBUTES, TYPE_MAIN_VARIANT, warn_missing_format_attribute, and warning.

Referenced by build_function_call_real(), build_over_call(), check_function_arguments(), and is_valid_printf_arglist().

static bool decode_format_attr ( tree  args,
function_format_info *  info,
int  validated_p 
) [static]

Definition at line 227 of file c-format.c.

References abort, decode_format_type(), error(), function_format_info::first_arg_num, function_format_info::format_num, function_format_info::format_type, format_type_error, IDENTIFIER_POINTER, p, TREE_CHAIN, TREE_CODE, TREE_INT_CST_HIGH, TREE_INT_CST_LOW, TREE_OPERAND, TREE_VALUE, and warning.

Referenced by check_function_format(), and handle_format_attribute().

static void finish_dollar_format_checking ( int *  status,
format_check_results *  res,
int  pointer_gap_ok 
) [static]

Definition at line 1221 of file c-format.c.

References i, format_check_results::number_dollar_extra_args, and format_check_results::number_other.

Referenced by check_format_info_main().

static const format_flag_spec* get_flag_spec ( format_flag_spec *  spec,
int  flag,
const char *  predicates 
) const [static]

Definition at line 1259 of file c-format.c.

References abort, i, NULL, and strchr.

Referenced by check_format_info_main().

tree handle_format_arg_attribute ( tree *  node,
name  ,
tree  args,
int  flags,
bool *  no_add_attrs 
)

Definition at line 153 of file c-format.c.

References ATTR_FLAG_BUILT_IN, char_type_node, error(), HOST_WIDE_INT, NULL_TREE, TREE_CHAIN, TREE_CODE, TREE_INT_CST_HIGH, TREE_INT_CST_LOW, TREE_OPERAND, TREE_TYPE, TREE_VALUE, TYPE_ARG_TYPES, and TYPE_MAIN_VARIANT.

tree handle_format_attribute ( tree *  node,
name  ,
tree  args,
int  flags,
bool *  no_add_attrs 
)

Definition at line 83 of file c-format.c.

References ATTR_FLAG_BUILT_IN, char_type_node, decode_format_attr(), error(), function_format_info::first_arg_num, function_format_info::format_num, function_format_info::format_type, HOST_WIDE_INT, info, NULL_TREE, strftime_format_type, TREE_CHAIN, TREE_CODE, TREE_TYPE, TREE_VALUE, TYPE_ARG_TYPES, and TYPE_MAIN_VARIANT.

static void init_dollar_format_checking ( int  first_arg_num,
tree  params 
) [static]

Definition at line 1052 of file c-format.c.

References free(), i, memset, TREE_CHAIN, TREE_CODE, TREE_TYPE, TREE_VALUE, and xmalloc().

Referenced by check_format_info_main().

static int maybe_read_dollar_number ( int *  status,
const char **  format,
int  dollar_needed,
tree  params,
tree *  param_ptr,
const format_kind_info *  fki 
) [static]

Definition at line 1109 of file c-format.c.

References abort, C_STD_NAME, format_kind_info::flags, FMT_FLAG_DOLLAR_MULTIPLE, i, ISDIGIT, memset, format_kind_info::name, pedantic, STD_EXT, TREE_CHAIN, and xrealloc().

Referenced by check_format_info_main().

static void status_warning PARAMS ( (int *, const char *,...)   )  [static]

Definition at line 899 of file c-format.c.

References format_type_error, i, strcmp(), strlen(), and strncmp().

static void check_format_info_main PARAMS ( (int *, format_check_results *, function_format_info *, const char *, int, tree, unsigned HOST_WIDE_INT)   )  [static]

static void check_format_arg PARAMS ( (void *, tree, unsigned HOST_WIDE_INT)   )  [static]

static void check_format_info PARAMS ( (int *, function_format_info *, tree)   )  [static]

static enum format_type decode_format_type PARAMS ( (const char *)   )  [static]

Definition at line 635 of file mips-tfile.c.

static bool decode_format_attr PARAMS ( (tree, function_format_info *, int)   )  [static]

void set_Wformat ( int  setting  ) 

Definition at line 43 of file c-format.c.

Referenced by c_common_decode_option(), and c_common_handle_option().

static void status_warning VPARAMS ( (int *status, const char *msgid,...)   )  [static]

Definition at line 1005 of file c-format.c.

References _, diagnostic_set_info(), input_filename, lineno, report_diagnostic, VA_CLOSE, va_end, VA_FIXEDARG, VA_OPEN, and VA_START.

Variable Documentation

int dollar_arguments_alloc = 0 [static]

Definition at line 1039 of file c-format.c.

int dollar_arguments_count [static]

Definition at line 1040 of file c-format.c.

char* dollar_arguments_pointer_p = NULL [static]

Definition at line 1038 of file c-format.c.

char* dollar_arguments_used = NULL [static]

Definition at line 1037 of file c-format.c.

int dollar_first_arg_num [static]

Definition at line 1041 of file c-format.c.

int dollar_format_warned [static]

Definition at line 1043 of file c-format.c.

int dollar_max_arg_used [static]

Definition at line 1042 of file c-format.c.

const format_kind_info format_types[] [static]

Initial value:

{
  { "printf",   printf_length_specs,  print_char_table, " +#0-'I", NULL, 
    printf_flag_specs, printf_flag_pairs,
    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
    'w', 0, 'p', 0, 'L',
    &integer_type_node, &integer_type_node
  },
  { "scanf",    scanf_length_specs,   scan_char_table,  "*'I", NULL, 
    scanf_flag_specs, scanf_flag_pairs,
    FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
    'w', 0, 0, '*', 'L',
    NULL, NULL
  },
  { "strftime", NULL,                 time_char_table,  "_-0^#", "EO",
    strftime_flag_specs, strftime_flag_pairs,
    FMT_FLAG_FANCY_PERCENT_OK, 'w', 0, 0, 0, 0,
    NULL, NULL
  },
  { "strfmon",  strfmon_length_specs, monetary_char_table, "=^+(!-", NULL, 
    strfmon_flag_specs, strfmon_flag_pairs,
    FMT_FLAG_ARG_CONVERT, 'w', '#', 'p', 0, 'L',
    NULL, NULL
  }
}

Definition at line 831 of file c-format.c.

const format_char_info monetary_char_table[] [static]

Initial value:

{
  { "in", 0, STD_C89, { T89_D, BADLEN, BADLEN, BADLEN, BADLEN, T89_LD, BADLEN, BADLEN, BADLEN }, "=^+(!-w#p", "" },
  { NULL, 0, 0, NOLENGTHS, NULL, NULL }
}

Definition at line 823 of file c-format.c.

const format_char_info print_char_table[] [static]

Initial value:

{
  
  { "di",  0, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  TEX_LL,  T99_SST, T99_PD,  T99_IM  }, "-wp0 +'I", "i"  },
  { "oxX", 0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0#",    "i"  },
  { "u",   0, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "-wp0'I",   "i"  },
  { "fgG", 0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T89_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#'", ""   },
  { "eE",  0, STD_C89, { T89_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T89_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#",  ""   },
  { "c",   0, STD_C89, { T89_I,   BADLEN,  BADLEN,  T94_WI,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       ""   },
  { "s",   1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "cR" },
  { "p",   1, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       "c"  },
  { "n",   1, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  BADLEN,  T99_SST, T99_PD,  T99_IM  }, "",         "W"  },
  
  { "F",   0, STD_C99, { T99_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T99_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#'", ""   },
  { "aA",  0, STD_C99, { T99_D,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T99_LD,  BADLEN,  BADLEN,  BADLEN  }, "-wp0 +#",  ""   },
  
  { "C",   0, STD_EXT, { TEX_WI,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-w",       ""   },
  { "S",   1, STD_EXT, { TEX_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      "R"  },
  
  { "m",   0, STD_EXT, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "-wp",      ""   },
  { NULL,  0, 0, NOLENGTHS, NULL, NULL }
}

Definition at line 753 of file c-format.c.

const format_flag_pair printf_flag_pairs[] [static]

Initial value:

{
  { ' ', '+', 1, 0   },
  { '0', '-', 1, 0   },
  { '0', 'p', 1, 'i' },
  { 0, 0, 0, 0 }
}

Definition at line 623 of file c-format.c.

const format_flag_spec printf_flag_specs[] [static]

Initial value:

{
  { ' ',  0, 0, N_("` ' flag"),        N_("the ` ' printf flag"),              STD_C89 },
  { '+',  0, 0, N_("`+' flag"),        N_("the `+' printf flag"),              STD_C89 },
  { '#',  0, 0, N_("`#' flag"),        N_("the `#' printf flag"),              STD_C89 },
  { '0',  0, 0, N_("`0' flag"),        N_("the `0' printf flag"),              STD_C89 },
  { '-',  0, 0, N_("`-' flag"),        N_("the `-' printf flag"),              STD_C89 },
  { '\'', 0, 0, N_("`'' flag"),        N_("the `'' printf flag"),              STD_EXT },
  { 'I',  0, 0, N_("`I' flag"),        N_("the `I' printf flag"),              STD_EXT },
  { 'w',  0, 0, N_("field width"),     N_("field width in printf format"),     STD_C89 },
  { 'p',  0, 0, N_("precision"),       N_("precision in printf format"),       STD_C89 },
  { 'L',  0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
  { 0, 0, 0, NULL, NULL, 0 }
}

Definition at line 607 of file c-format.c.

const format_length_info printf_length_specs[] [static]

Initial value:

{
  { "h", FMT_LEN_h, STD_C89, "hh", FMT_LEN_hh, STD_C99 },
  { "l", FMT_LEN_l, STD_C89, "ll", FMT_LEN_ll, STD_C9L },
  { "q", FMT_LEN_ll, STD_EXT, NULL, 0, 0 },
  { "L", FMT_LEN_L, STD_C89, NULL, 0, 0 },
  { "z", FMT_LEN_z, STD_C99, NULL, 0, 0 },
  { "Z", FMT_LEN_z, STD_EXT, NULL, 0, 0 },
  { "t", FMT_LEN_t, STD_C99, NULL, 0, 0 },
  { "j", FMT_LEN_j, STD_C99, NULL, 0, 0 },
  { NULL, 0, 0, NULL, 0, 0 }
}

Definition at line 570 of file c-format.c.

const format_char_info scan_char_table[] [static]

Initial value:

{
  
  { "di",    1, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  TEX_LL,  T99_SST, T99_PD,  T99_IM  }, "*w'I", "W"   },
  { "u",     1, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "*w'I", "W"   },
  { "oxX",   1, STD_C89, { T89_UI,  T99_UC,  T89_US,  T89_UL,  T9L_ULL, TEX_ULL, T99_ST,  T99_UPD, T99_UIM }, "*w",   "W"   },
  { "efgEG", 1, STD_C89, { T89_F,   BADLEN,  BADLEN,  T89_D,   BADLEN,  T89_LD,  BADLEN,  BADLEN,  BADLEN  }, "*w'",  "W"   },
  { "c",     1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "*w",   "cW"  },
  { "s",     1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "*aw",  "cW"  },
  { "[",     1, STD_C89, { T89_C,   BADLEN,  BADLEN,  T94_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "*aw",  "cW[" },
  { "p",     2, STD_C89, { T89_V,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "*w",   "W"   },
  { "n",     1, STD_C89, { T89_I,   T99_SC,  T89_S,   T89_L,   T9L_LL,  BADLEN,  T99_SST, T99_PD,  T99_IM  }, "",     "W"   },
  
  { "FaA",   1, STD_C99, { T99_F,   BADLEN,  BADLEN,  T99_D,   BADLEN,  T99_LD,  BADLEN,  BADLEN,  BADLEN  }, "*w'",  "W"   },
  
  { "C",     1, STD_EXT, { TEX_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "*w",   "W"   },
  { "S",     1, STD_EXT, { TEX_W,   BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN,  BADLEN  }, "*aw",  "W"   },
  { NULL, 0, 0, NOLENGTHS, NULL, NULL }
}

Definition at line 776 of file c-format.c.

const format_flag_pair scanf_flag_pairs[] [static]

Initial value:

{
  { '*', 'L', 0, 0 },
  { 0, 0, 0, 0 }
}

Definition at line 644 of file c-format.c.

const format_flag_spec scanf_flag_specs[] [static]

Initial value:

{
  { '*',  0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89 },
  { 'a',  0, 0, N_("`a' flag"),               N_("the `a' scanf flag"),                       STD_EXT },
  { 'w',  0, 0, N_("field width"),            N_("field width in scanf format"),              STD_C89 },
  { 'L',  0, 0, N_("length modifier"),        N_("length modifier in scanf format"),          STD_C89 },
  { '\'', 0, 0, N_("`'' flag"),               N_("the `'' scanf flag"),                       STD_EXT },
  { 'I',  0, 0, N_("`I' flag"),               N_("the `I' scanf flag"),                       STD_EXT },
  { 0, 0, 0, NULL, NULL, 0 }
}

Definition at line 632 of file c-format.c.

const format_length_info scanf_length_specs[] [static]

Initial value:

{
  { "h", FMT_LEN_h, STD_C89, "hh", FMT_LEN_hh, STD_C99 },
  { "l", FMT_LEN_l, STD_C89, "ll", FMT_LEN_ll, STD_C9L },
  { "q", FMT_LEN_ll, STD_EXT, NULL, 0, 0 },
  { "L", FMT_LEN_L, STD_C89, NULL, 0, 0 },
  { "z", FMT_LEN_z, STD_C99, NULL, 0, 0 },
  { "t", FMT_LEN_t, STD_C99, NULL, 0, 0 },
  { "j", FMT_LEN_j, STD_C99, NULL, 0, 0 },
  { NULL, 0, 0, NULL, 0, 0 }
}

Definition at line 585 of file c-format.c.

const format_flag_pair strfmon_flag_pairs[] [static]

Initial value:

{
  { '+', '(', 0, 0 },
  { 0, 0, 0, 0 }
}

Definition at line 692 of file c-format.c.

const format_flag_spec strfmon_flag_specs[] [static]

Initial value:

{
  { '=',  0, 1, N_("fill character"),  N_("fill character in strfmon format"),  STD_C89 },
  { '^',  0, 0, N_("`^' flag"),        N_("the `^' strfmon flag"),              STD_C89 },
  { '+',  0, 0, N_("`+' flag"),        N_("the `+' strfmon flag"),              STD_C89 },
  { '(',  0, 0, N_("`(' flag"),        N_("the `(' strfmon flag"),              STD_C89 },
  { '!',  0, 0, N_("`!' flag"),        N_("the `!' strfmon flag"),              STD_C89 },
  { '-',  0, 0, N_("`-' flag"),        N_("the `-' strfmon flag"),              STD_C89 },
  { 'w',  0, 0, N_("field width"),     N_("field width in strfmon format"),     STD_C89 },
  { '#',  0, 0, N_("left precision"),  N_("left precision in strfmon format"),  STD_C89 },
  { 'p',  0, 0, N_("right precision"), N_("right precision in strfmon format"), STD_C89 },
  { 'L',  0, 0, N_("length modifier"), N_("length modifier in strfmon format"), STD_C89 },
  { 0, 0, 0, NULL, NULL, 0 }
}

Definition at line 677 of file c-format.c.

const format_length_info strfmon_length_specs[] [static]

Initial value:

{
  
  { "L", FMT_LEN_L, STD_C89, NULL, 0, 0 },
  { NULL, 0, 0, NULL, 0, 0 }
}

Definition at line 600 of file c-format.c.

const format_flag_pair strftime_flag_pairs[] [static]

Initial value:

{
  { 'E', 'O', 0, 0 },
  { '_', '-', 0, 0 },
  { '_', '0', 0, 0 },
  { '-', '0', 0, 0 },
  { '^', '#', 0, 0 },
  { 0, 0, 0, 0 }
}

Definition at line 666 of file c-format.c.

const format_flag_spec strftime_flag_specs[] [static]

Initial value:

{
  { '_', 0,   0, N_("`_' flag"),     N_("the `_' strftime flag"),          STD_EXT },
  { '-', 0,   0, N_("`-' flag"),     N_("the `-' strftime flag"),          STD_EXT },
  { '0', 0,   0, N_("`0' flag"),     N_("the `0' strftime flag"),          STD_EXT },
  { '^', 0,   0, N_("`^' flag"),     N_("the `^' strftime flag"),          STD_EXT },
  { '#', 0,   0, N_("`#' flag"),     N_("the `#' strftime flag"),          STD_EXT },
  { 'w', 0,   0, N_("field width"),  N_("field width in strftime format"), STD_EXT },
  { 'E', 0,   0, N_("`E' modifier"), N_("the `E' strftime modifier"),      STD_C99 },
  { 'O', 0,   0, N_("`O' modifier"), N_("the `O' strftime modifier"),      STD_C99 },
  { 'O', 'o', 0, NULL,               N_("the `O' modifier"),               STD_EXT },
  { 0, 0, 0, NULL, NULL, 0 }
}

Definition at line 651 of file c-format.c.

const format_char_info time_char_table[] [static]

Initial value:

{
  
  { "ABZab",    0, STD_C89, NOLENGTHS, "^#",     ""   },
  { "cx",     0, STD_C89, NOLENGTHS, "E",      "3"  },
  { "HIMSUWdmw",  0, STD_C89, NOLENGTHS, "-_0Ow",  ""   },
  { "j",    0, STD_C89, NOLENGTHS, "-_0Ow",  "o"  },
  { "p",    0, STD_C89, NOLENGTHS, "#",      ""   },
  { "X",    0, STD_C89, NOLENGTHS, "E",      ""   },
  { "y",    0, STD_C89, NOLENGTHS, "EO-_0w", "4"  },
  { "Y",    0, STD_C89, NOLENGTHS, "-_0EOw", "o"  },
  { "%",    0, STD_C89, NOLENGTHS, "",       ""   },
  
  { "C",    0, STD_C99, NOLENGTHS, "-_0EOw", "o"  },
  { "D",    0, STD_C99, NOLENGTHS, "",       "2"  },
  { "eVu",    0, STD_C99, NOLENGTHS, "-_0Ow",  ""   },
  { "FRTnrt",   0, STD_C99, NOLENGTHS, "",       ""   },
  { "g",    0, STD_C99, NOLENGTHS, "O-_0w",  "2o" },
  { "G",    0, STD_C99, NOLENGTHS, "-_0Ow",  "o"  },
  { "h",    0, STD_C99, NOLENGTHS, "^#",     ""   },
  { "z",    0, STD_C99, NOLENGTHS, "O",      "o"  },
  
  { "kls",    0, STD_EXT, NOLENGTHS, "-_0Ow",  ""   },
  { "P",    0, STD_EXT, NOLENGTHS, "",       ""   },
  { NULL,   0, 0, NOLENGTHS, NULL, NULL }
}

Definition at line 796 of file c-format.c.

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