| 1 |
709 |
jeremybenn |
/* Check calls to formatted I/O functions (-Wformat).
|
| 2 |
|
|
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
|
| 3 |
|
|
2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010
|
| 4 |
|
|
Free Software Foundation, Inc.
|
| 5 |
|
|
|
| 6 |
|
|
This file is part of GCC.
|
| 7 |
|
|
|
| 8 |
|
|
GCC is free software; you can redistribute it and/or modify it under
|
| 9 |
|
|
the terms of the GNU General Public License as published by the Free
|
| 10 |
|
|
Software Foundation; either version 3, or (at your option) any later
|
| 11 |
|
|
version.
|
| 12 |
|
|
|
| 13 |
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
| 14 |
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
| 15 |
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
| 16 |
|
|
for more details.
|
| 17 |
|
|
|
| 18 |
|
|
You should have received a copy of the GNU General Public License
|
| 19 |
|
|
along with GCC; see the file COPYING3. If not see
|
| 20 |
|
|
<http://www.gnu.org/licenses/>. */
|
| 21 |
|
|
|
| 22 |
|
|
#include "config.h"
|
| 23 |
|
|
#include "system.h"
|
| 24 |
|
|
#include "coretypes.h"
|
| 25 |
|
|
#include "tm.h"
|
| 26 |
|
|
#include "tree.h"
|
| 27 |
|
|
#include "flags.h"
|
| 28 |
|
|
#include "c-family/c-common.h"
|
| 29 |
|
|
#include "intl.h"
|
| 30 |
|
|
#include "diagnostic.h"
|
| 31 |
|
|
#include "langhooks.h"
|
| 32 |
|
|
#include "c-family/c-format.h"
|
| 33 |
|
|
#include "alloc-pool.h"
|
| 34 |
|
|
|
| 35 |
|
|
/* Mingw specific format attributes ms_printf, ms_scanf, and ms_strftime. */
|
| 36 |
|
|
|
| 37 |
|
|
static format_length_info ms_printf_length_specs[] =
|
| 38 |
|
|
{
|
| 39 |
|
|
{ "h", FMT_LEN_h, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
|
| 40 |
|
|
{ "l", FMT_LEN_l, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
|
| 41 |
|
|
{ "I32", FMT_LEN_l, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
|
| 42 |
|
|
{ "I64", FMT_LEN_ll, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
|
| 43 |
|
|
{ "I", FMT_LEN_L, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
|
| 44 |
|
|
{ NULL, FMT_LEN_none, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 }
|
| 45 |
|
|
};
|
| 46 |
|
|
|
| 47 |
|
|
static const format_flag_spec ms_printf_flag_specs[] =
|
| 48 |
|
|
{
|
| 49 |
|
|
{ ' ', 0, 0, N_("' ' flag"), N_("the ' ' printf flag"), STD_C89 },
|
| 50 |
|
|
{ '+', 0, 0, N_("'+' flag"), N_("the '+' printf flag"), STD_C89 },
|
| 51 |
|
|
{ '#', 0, 0, N_("'#' flag"), N_("the '#' printf flag"), STD_C89 },
|
| 52 |
|
|
{ '0', 0, 0, N_("'0' flag"), N_("the '0' printf flag"), STD_C89 },
|
| 53 |
|
|
{ '-', 0, 0, N_("'-' flag"), N_("the '-' printf flag"), STD_C89 },
|
| 54 |
|
|
{ '\'', 0, 0, N_("''' flag"), N_("the ''' printf flag"), STD_EXT },
|
| 55 |
|
|
{ 'w', 0, 0, N_("field width"), N_("field width in printf format"), STD_C89 },
|
| 56 |
|
|
{ 'p', 0, 0, N_("precision"), N_("precision in printf format"), STD_C89 },
|
| 57 |
|
|
{ 'L', 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
|
| 58 |
|
|
{ 0, 0, 0, NULL, NULL, STD_C89 }
|
| 59 |
|
|
};
|
| 60 |
|
|
|
| 61 |
|
|
static const format_flag_pair ms_printf_flag_pairs[] =
|
| 62 |
|
|
{
|
| 63 |
|
|
{ ' ', '+', 1, 0 },
|
| 64 |
|
|
{ '0', '-', 1, 0 }, { '0', 'p', 1, 'i' },
|
| 65 |
|
|
{ 0, 0, 0, 0 }
|
| 66 |
|
|
};
|
| 67 |
|
|
|
| 68 |
|
|
static const format_flag_spec ms_scanf_flag_specs[] =
|
| 69 |
|
|
{
|
| 70 |
|
|
{ '*', 0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89 },
|
| 71 |
|
|
{ 'a', 0, 0, N_("'a' flag"), N_("the 'a' scanf flag"), STD_EXT },
|
| 72 |
|
|
{ 'w', 0, 0, N_("field width"), N_("field width in scanf format"), STD_C89 },
|
| 73 |
|
|
{ 'L', 0, 0, N_("length modifier"), N_("length modifier in scanf format"), STD_C89 },
|
| 74 |
|
|
{ '\'', 0, 0, N_("''' flag"), N_("the ''' scanf flag"), STD_EXT },
|
| 75 |
|
|
{ 0, 0, 0, NULL, NULL, STD_C89 }
|
| 76 |
|
|
};
|
| 77 |
|
|
|
| 78 |
|
|
static const format_flag_pair ms_scanf_flag_pairs[] =
|
| 79 |
|
|
{
|
| 80 |
|
|
{ '*', 'L', 0, 0 },
|
| 81 |
|
|
{ 0, 0, 0, 0 }
|
| 82 |
|
|
};
|
| 83 |
|
|
|
| 84 |
|
|
static const format_flag_spec ms_strftime_flag_specs[] =
|
| 85 |
|
|
{
|
| 86 |
|
|
{ '#', 0, 0, N_("'#' flag"), N_("the '#' strftime flag"), STD_EXT },
|
| 87 |
|
|
{ 0, 0, 0, NULL, NULL, STD_C89 }
|
| 88 |
|
|
};
|
| 89 |
|
|
|
| 90 |
|
|
static const format_flag_pair ms_strftime_flag_pairs[] =
|
| 91 |
|
|
{
|
| 92 |
|
|
{ 0, 0, 0, 0 }
|
| 93 |
|
|
};
|
| 94 |
|
|
|
| 95 |
|
|
static const format_char_info ms_print_char_table[] =
|
| 96 |
|
|
{
|
| 97 |
|
|
/* C89 conversion specifiers. */
|
| 98 |
|
|
{ "di", 0, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +'", "i", NULL },
|
| 99 |
|
|
{ "oxX", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0#", "i", NULL },
|
| 100 |
|
|
{ "u", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0'", "i", NULL },
|
| 101 |
|
|
{ "fgG", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#'", "", NULL },
|
| 102 |
|
|
{ "eE", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#", "", NULL },
|
| 103 |
|
|
{ "c", 0, STD_C89, { T89_I, BADLEN, T89_S, T94_WI, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
|
| 104 |
|
|
{ "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "cR", NULL },
|
| 105 |
|
|
{ "p", 1, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "c", NULL },
|
| 106 |
|
|
{ "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, T99_IM, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
|
| 107 |
|
|
/* X/Open conversion specifiers. */
|
| 108 |
|
|
{ "C", 0, STD_EXT, { TEX_WI, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
|
| 109 |
|
|
{ "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "R", NULL },
|
| 110 |
|
|
{ NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
|
| 111 |
|
|
};
|
| 112 |
|
|
|
| 113 |
|
|
static const format_char_info ms_scan_char_table[] =
|
| 114 |
|
|
{
|
| 115 |
|
|
/* C89 conversion specifiers. */
|
| 116 |
|
|
{ "di", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
|
| 117 |
|
|
{ "u", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
|
| 118 |
|
|
{ "oxX", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
|
| 119 |
|
|
{ "efgEG", 1, STD_C89, { T89_F, BADLEN, BADLEN, T89_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
|
| 120 |
|
|
{ "c", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "cW", NULL },
|
| 121 |
|
|
{ "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW", NULL },
|
| 122 |
|
|
{ "[", 1, STD_C89, { T89_C, BADLEN, BADLEN, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW[", NULL },
|
| 123 |
|
|
{ "p", 2, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
|
| 124 |
|
|
{ "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
|
| 125 |
|
|
/* X/Open conversion specifiers. */
|
| 126 |
|
|
{ "C", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
|
| 127 |
|
|
{ "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "W", NULL },
|
| 128 |
|
|
{ NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
|
| 129 |
|
|
};
|
| 130 |
|
|
|
| 131 |
|
|
static const format_char_info ms_time_char_table[] =
|
| 132 |
|
|
{
|
| 133 |
|
|
/* C89 conversion specifiers. */
|
| 134 |
|
|
{ "ABZab", 0, STD_C89, NOLENGTHS, "#", "", NULL },
|
| 135 |
|
|
{ "cx", 0, STD_C89, NOLENGTHS, "#", "3", NULL },
|
| 136 |
|
|
{ "HIMSUWdmw", 0, STD_C89, NOLENGTHS, "#", "", NULL },
|
| 137 |
|
|
{ "j", 0, STD_C89, NOLENGTHS, "#", "", NULL },
|
| 138 |
|
|
{ "p", 0, STD_C89, NOLENGTHS, "#", "", NULL },
|
| 139 |
|
|
{ "X", 0, STD_C89, NOLENGTHS, "#", "", NULL },
|
| 140 |
|
|
{ "y", 0, STD_C89, NOLENGTHS, "#", "4", NULL },
|
| 141 |
|
|
{ "Y", 0, STD_C89, NOLENGTHS, "#", "", NULL },
|
| 142 |
|
|
{ "%", 0, STD_C89, NOLENGTHS, "", "", NULL },
|
| 143 |
|
|
/* C99 conversion specifiers. */
|
| 144 |
|
|
{ "z", 0, STD_C99, NOLENGTHS, "#", "", NULL },
|
| 145 |
|
|
{ NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
|
| 146 |
|
|
};
|
| 147 |
|
|
|
| 148 |
|
|
EXPORTED_CONST format_kind_info mingw_format_attributes[3] =
|
| 149 |
|
|
{
|
| 150 |
|
|
{ "ms_printf", ms_printf_length_specs, ms_print_char_table, " +#0-'", NULL,
|
| 151 |
|
|
ms_printf_flag_specs, ms_printf_flag_pairs,
|
| 152 |
|
|
FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
|
| 153 |
|
|
'w', 0, 'p', 0, 'L', 0,
|
| 154 |
|
|
&integer_type_node, &integer_type_node
|
| 155 |
|
|
},
|
| 156 |
|
|
{ "ms_scanf", ms_printf_length_specs, ms_scan_char_table, "*'", NULL,
|
| 157 |
|
|
ms_scanf_flag_specs, ms_scanf_flag_pairs,
|
| 158 |
|
|
FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
|
| 159 |
|
|
'w', 0, 0, '*', 'L', 0,
|
| 160 |
|
|
NULL, NULL
|
| 161 |
|
|
},
|
| 162 |
|
|
{ "ms_strftime", NULL, ms_time_char_table, "", "#",
|
| 163 |
|
|
ms_strftime_flag_specs, ms_strftime_flag_pairs,
|
| 164 |
|
|
FMT_FLAG_FANCY_PERCENT_OK, 0, 0, 0, 0, 0, 0,
|
| 165 |
|
|
NULL, NULL
|
| 166 |
|
|
}
|
| 167 |
|
|
};
|
| 168 |
|
|
|
| 169 |
|
|
/* Default overrides for printf, scanf and strftime. */
|
| 170 |
|
|
EXPORTED_CONST target_ovr_attr mingw_format_attribute_overrides[4] =
|
| 171 |
|
|
{
|
| 172 |
|
|
{ "ms_printf", "printf" },
|
| 173 |
|
|
{ "ms_scanf", "scanf" },
|
| 174 |
|
|
{ "ms_strftime", "strftime" }
|
| 175 |
|
|
};
|
| 176 |
|
|
|
| 177 |
|
|
/* Setup for option Wpedantic-ms-format. */
|
| 178 |
|
|
|
| 179 |
|
|
#ifdef TARGET_OVERRIDES_FORMAT_INIT
|
| 180 |
|
|
|
| 181 |
|
|
/* Make sure TARGET_OVERRIDES_FORMAT_INIT is prototyped. */
|
| 182 |
|
|
extern void TARGET_OVERRIDES_FORMAT_INIT (void);
|
| 183 |
|
|
|
| 184 |
|
|
/* Helper. */
|
| 185 |
|
|
#define C89_OR_EXT (warn_pedantic_ms_format ? STD_EXT : STD_C89)
|
| 186 |
|
|
|
| 187 |
|
|
void
|
| 188 |
|
|
TARGET_OVERRIDES_FORMAT_INIT (void)
|
| 189 |
|
|
{
|
| 190 |
|
|
ms_printf_length_specs[2].std = C89_OR_EXT; /* I32 */
|
| 191 |
|
|
ms_printf_length_specs[3].std = C89_OR_EXT; /* I64 */
|
| 192 |
|
|
ms_printf_length_specs[4].std = C89_OR_EXT; /* I */
|
| 193 |
|
|
}
|
| 194 |
|
|
|
| 195 |
|
|
#undef C89_OR_EXT
|
| 196 |
|
|
|
| 197 |
|
|
#endif
|
