annotate gcc/config/i386/msformat-c.c @ 63:b7f97abdc517 gcc-4.6-20100522

update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Check calls to formatted I/O functions (-Wformat).
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2 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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3 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2010
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4 Free Software Foundation, Inc.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #include "config.h"
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23 #include "system.h"
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24 #include "coretypes.h"
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25 #include "tm.h"
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26 #include "tree.h"
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27 #include "flags.h"
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28 #include "c-common.h"
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29 #include "toplev.h"
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30 #include "intl.h"
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31 #include "diagnostic.h"
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32 #include "langhooks.h"
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33 #include "c-format.h"
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34 #include "alloc-pool.h"
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35
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36 /* Mingw specific format attributes ms_printf, ms_scanf, and ms_strftime. */
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37
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38 static format_length_info ms_printf_length_specs[] =
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39 {
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40 { "h", FMT_LEN_h, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
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41 { "l", FMT_LEN_l, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 },
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42 { "I32", FMT_LEN_l, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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43 { "I64", FMT_LEN_ll, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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44 { "I", FMT_LEN_L, STD_EXT, NULL, FMT_LEN_none, STD_C89, 1 },
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45 { NULL, FMT_LEN_none, STD_C89, NULL, FMT_LEN_none, STD_C89, 0 }
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46 };
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47
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48 static const format_flag_spec ms_printf_flag_specs[] =
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49 {
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50 { ' ', 0, 0, N_("' ' flag"), N_("the ' ' printf flag"), STD_C89 },
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51 { '+', 0, 0, N_("'+' flag"), N_("the '+' printf flag"), STD_C89 },
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52 { '#', 0, 0, N_("'#' flag"), N_("the '#' printf flag"), STD_C89 },
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53 { '0', 0, 0, N_("'0' flag"), N_("the '0' printf flag"), STD_C89 },
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54 { '-', 0, 0, N_("'-' flag"), N_("the '-' printf flag"), STD_C89 },
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55 { '\'', 0, 0, N_("''' flag"), N_("the ''' printf flag"), STD_EXT },
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56 { 'w', 0, 0, N_("field width"), N_("field width in printf format"), STD_C89 },
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57 { 'p', 0, 0, N_("precision"), N_("precision in printf format"), STD_C89 },
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58 { 'L', 0, 0, N_("length modifier"), N_("length modifier in printf format"), STD_C89 },
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59 { 0, 0, 0, NULL, NULL, STD_C89 }
0
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60 };
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61
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62 static const format_flag_pair ms_printf_flag_pairs[] =
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63 {
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64 { ' ', '+', 1, 0 },
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65 { '0', '-', 1, 0 }, { '0', 'p', 1, 'i' },
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66 { 0, 0, 0, 0 }
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67 };
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68
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69 static const format_flag_spec ms_scanf_flag_specs[] =
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70 {
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71 { '*', 0, 0, N_("assignment suppression"), N_("the assignment suppression scanf feature"), STD_C89 },
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72 { 'a', 0, 0, N_("'a' flag"), N_("the 'a' scanf flag"), STD_EXT },
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73 { 'w', 0, 0, N_("field width"), N_("field width in scanf format"), STD_C89 },
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74 { 'L', 0, 0, N_("length modifier"), N_("length modifier in scanf format"), STD_C89 },
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75 { '\'', 0, 0, N_("''' flag"), N_("the ''' scanf flag"), STD_EXT },
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76 { 0, 0, 0, NULL, NULL, STD_C89 }
0
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77 };
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78
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79 static const format_flag_pair ms_scanf_flag_pairs[] =
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80 {
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81 { '*', 'L', 0, 0 },
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82 { 0, 0, 0, 0 }
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83 };
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84
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85 static const format_flag_spec ms_strftime_flag_specs[] =
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86 {
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87 { '#', 0, 0, N_("'#' flag"), N_("the '#' strftime flag"), STD_EXT },
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88 { 0, 0, 0, NULL, NULL, STD_C89 }
0
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89 };
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90
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91 static const format_flag_pair ms_strftime_flag_pairs[] =
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92 {
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93 { 0, 0, 0, 0 }
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94 };
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95
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96 static const format_char_info ms_print_char_table[] =
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97 {
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98 /* C89 conversion specifiers. */
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99 { "di", 0, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +'", "i", NULL },
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100 { "oxX", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0#", "i", NULL },
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101 { "u", 0, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0'", "i", NULL },
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102 { "fgG", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#'", "", NULL },
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103 { "eE", 0, STD_C89, { T89_D, BADLEN, BADLEN, T99_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#", "", NULL },
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104 { "c", 0, STD_C89, { T89_I, BADLEN, T89_S, T94_WI, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
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105 { "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "cR", NULL },
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106 { "p", 1, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "c", NULL },
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107 { "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, T99_IM, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
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108 /* X/Open conversion specifiers. */
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109 { "C", 0, STD_EXT, { TEX_WI, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-w", "", NULL },
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110 { "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "R", NULL },
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111 { NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
0
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112 };
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113
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114 static const format_char_info ms_scan_char_table[] =
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115 {
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116 /* C89 conversion specifiers. */
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117 { "di", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, T99_SST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
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118 { "u", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
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119 { "oxX", 1, STD_C89, { T89_UI, BADLEN, T89_US, T89_UL, T9L_ULL, T99_ST, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
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120 { "efgEG", 1, STD_C89, { T89_F, BADLEN, BADLEN, T89_D, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w'", "W", NULL },
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121 { "c", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "cW", NULL },
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122 { "s", 1, STD_C89, { T89_C, BADLEN, T89_S, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW", NULL },
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123 { "[", 1, STD_C89, { T89_C, BADLEN, BADLEN, T94_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "cW[", NULL },
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124 { "p", 2, STD_C89, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
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125 { "n", 1, STD_C89, { T89_I, BADLEN, T89_S, T89_L, T9L_LL, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "", "W", NULL },
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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126 /* X/Open conversion specifiers. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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127 { "C", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*w", "W", NULL },
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128 { "S", 1, STD_EXT, { TEX_W, BADLEN, T89_S, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "*aw", "W", NULL },
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129 { NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
0
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130 };
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131
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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132 static const format_char_info ms_time_char_table[] =
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133 {
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134 /* C89 conversion specifiers. */
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135 { "ABZab", 0, STD_C89, NOLENGTHS, "#", "", NULL },
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136 { "cx", 0, STD_C89, NOLENGTHS, "#", "3", NULL },
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137 { "HIMSUWdmw", 0, STD_C89, NOLENGTHS, "#", "", NULL },
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138 { "j", 0, STD_C89, NOLENGTHS, "#", "", NULL },
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139 { "p", 0, STD_C89, NOLENGTHS, "#", "", NULL },
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140 { "X", 0, STD_C89, NOLENGTHS, "#", "", NULL },
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141 { "y", 0, STD_C89, NOLENGTHS, "#", "4", NULL },
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142 { "Y", 0, STD_C89, NOLENGTHS, "#", "", NULL },
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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143 { "%", 0, STD_C89, NOLENGTHS, "", "", NULL },
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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144 /* C99 conversion specifiers. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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145 { "z", 0, STD_C99, NOLENGTHS, "#", "", NULL },
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146 { NULL, 0, STD_C89, NOLENGTHS, NULL, NULL, NULL }
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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147 };
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148
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149 EXPORTED_CONST format_kind_info mingw_format_attributes[3] =
0
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150 {
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151 { "ms_printf", ms_printf_length_specs, ms_print_char_table, " +#0-'", NULL,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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152 ms_printf_flag_specs, ms_printf_flag_pairs,
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153 FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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154 'w', 0, 'p', 0, 'L', 0,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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155 &integer_type_node, &integer_type_node
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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156 },
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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157 { "ms_scanf", ms_printf_length_specs, ms_scan_char_table, "*'", NULL,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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158 ms_scanf_flag_specs, ms_scanf_flag_pairs,
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159 FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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160 'w', 0, 0, '*', 'L', 0,
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161 NULL, NULL
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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162 },
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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163 { "ms_strftime", NULL, ms_time_char_table, "", "#",
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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164 ms_strftime_flag_specs, ms_strftime_flag_pairs,
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165 FMT_FLAG_FANCY_PERCENT_OK, 0, 0, 0, 0, 0, 0,
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166 NULL, NULL
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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167 }
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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168 };
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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169
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170 /* Default overrides for printf, scanf and strftime. */
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171 EXPORTED_CONST target_ovr_attr mingw_format_attribute_overrides[4] =
0
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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172 {
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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173 { "ms_printf", "printf" },
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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174 { "ms_scanf", "scanf" },
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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175 { "ms_strftime", "strftime" }
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176 };
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177
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178 /* Setup for option Wpedantic-ms-format. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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179
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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180 #ifdef TARGET_OVERRIDES_FORMAT_INIT
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181
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182 /* Make sure TARGET_OVERRIDES_FORMAT_INIT is prototyped. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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183 extern void TARGET_OVERRIDES_FORMAT_INIT (void);
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184
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185 /* Helper. */
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186 #define C89_OR_EXT (warn_pedantic_ms_format ? STD_EXT : STD_C89)
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187
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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188 void
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189 TARGET_OVERRIDES_FORMAT_INIT (void)
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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190 {
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191 ms_printf_length_specs[2].std = C89_OR_EXT; /* I32 */
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192 ms_printf_length_specs[3].std = C89_OR_EXT; /* I64 */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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193 ms_printf_length_specs[4].std = C89_OR_EXT; /* I */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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194 }
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195
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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196 #undef C89_OR_EXT
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197
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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198 #endif