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1
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2 /* Install modified versions of certain ANSI-incompatible system header
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3 files which are fixed to work correctly with ANSI C and placed in a
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4 directory that GCC will search.
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5
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111
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6 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004, 2009, 2012
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7 Free Software Foundation, Inc.
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8
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9 This file is part of GCC.
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10
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11 GCC is free software; you can redistribute it and/or modify
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12 it under the terms of the GNU General Public License as published by
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13 the Free Software Foundation; either version 3, or (at your option)
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14 any later version.
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15
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16 GCC is distributed in the hope that it will be useful,
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17 but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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20
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21 You should have received a copy of the GNU General Public License
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22 along with GCC; see the file COPYING3. If not see
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23 <http://www.gnu.org/licenses/>. */
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24
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25 #ifndef GCC_FIXLIB_H
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26 #define GCC_FIXLIB_H
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27
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28 #include "config.h"
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29 #include "system.h"
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30 #include <signal.h>
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31
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32 #include "xregex.h"
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33 #include "libiberty.h"
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34
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35 #ifndef STDIN_FILENO
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36 # define STDIN_FILENO 0
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37 #endif
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38 #ifndef STDOUT_FILENO
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39 # define STDOUT_FILENO 1
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40 #endif
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41
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42 #if ! defined( SIGCHLD ) && defined( SIGCLD )
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43 # define SIGCHLD SIGCLD
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44 #endif
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45
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46 #ifndef SIGQUIT
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47 #define SIGQUIT SIGTERM
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48 #endif
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49 #ifndef SIGIOT
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50 #define SIGIOT SIGTERM
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51 #endif
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52 #ifndef SIGPIPE
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53 #define SIGPIPE SIGTERM
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54 #endif
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55 #ifndef SIGALRM
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56 #define SIGALRM SIGTERM
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57 #endif
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58 #ifndef SIGKILL
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59 #define SIGKILL SIGTERM
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60 #endif
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61
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62 typedef int t_success;
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63
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64 #define FAILURE (-1)
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65 #define SUCCESS 0
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66 #define PROBLEM 1
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67
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68 #define SUCCEEDED(p) ((p) == SUCCESS)
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69 #define SUCCESSFUL(p) SUCCEEDED (p)
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70 #define FAILED(p) ((p) < SUCCESS)
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71 #define HADGLITCH(p) ((p) > SUCCESS)
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72
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73 #ifndef DEBUG
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74 # define STATIC static
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75 #else
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76 # define STATIC
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77 #endif
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78
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79 #define tSCC static const char
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80 #define tCC const char
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81 #define tSC static char
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82
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83 /* If this particular system's header files define the macro `MAXPATHLEN',
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84 we happily take advantage of it; otherwise we use a value which ought
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85 to be large enough. */
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86 #ifndef MAXPATHLEN
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87 # define MAXPATHLEN 4096
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88 #endif
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89
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90 #ifndef EXIT_SUCCESS
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91 # define EXIT_SUCCESS 0
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92 #endif
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93 #ifndef EXIT_FAILURE
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94 # define EXIT_FAILURE 1
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95 #endif
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96
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97 #define EXIT_BROKEN 3
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98
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99 #define NUL '\0'
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100
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101 #ifndef NOPROCESS
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102 #define NOPROCESS ((pid_t) -1)
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103 #define NULLPROCESS ((pid_t)0)
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104
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105 #define EXIT_PANIC 99
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106 #endif /* NOPROCESS */
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107
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108 #define IGNORE_ARG(a) ((void)(a))
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109
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110 typedef enum t_bool
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111 {
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112 BOOL_FALSE, BOOL_TRUE
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113 } t_bool;
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114
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115 typedef int apply_fix_p_t; /* Apply Fix Predicate Type */
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116
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117 #define APPLY_FIX 0
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118 #define SKIP_FIX 1
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119
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120 #define ENV_TABLE \
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121 _ENV_( pz_machine, BOOL_TRUE, "TARGET_MACHINE", \
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122 "output from config.guess" ) \
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123 \
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124 _ENV_( pz_orig_dir, BOOL_TRUE, "ORIGDIR", \
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125 "directory of fixincl and applyfix" ) \
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126 \
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127 _ENV_( pz_src_dir, BOOL_TRUE, "SRCDIR", \
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128 "directory of original files" ) \
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129 \
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130 _ENV_( pz_input_dir, BOOL_TRUE, "INPUT", \
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131 "current directory for fixincl" ) \
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132 \
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133 _ENV_( pz_dest_dir, BOOL_TRUE, "DESTDIR", \
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134 "output directory" ) \
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135 \
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136 _ENV_( pz_mn_name_pat, BOOL_FALSE, "MN_NAME_PAT", \
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137 "regex matching forbidden identifiers" ) \
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138 \
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139 _ENV_( pz_verbose, BOOL_FALSE, "VERBOSE", \
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140 "amount of user entertainment" ) \
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141 \
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142 _ENV_( pz_find_base, BOOL_TRUE, "FIND_BASE", \
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111
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143 "leader to trim from file names" ) \
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144 \
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145 _ENV_( pz_test_mode, BOOL_FALSE, "TEST_MODE", \
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146 "run fixincludes in test mode" )
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0
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147
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148 #define _ENV_(v,m,n,t) extern tCC* v;
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149 ENV_TABLE
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150 #undef _ENV_
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151
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152 /* Test Descriptor
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153
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154 Each fix may have associated tests that determine
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155 whether the fix needs to be applied or not.
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156 Each test has a type (from the te_test_type enumeration);
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157 associated test text; and, if the test is TT_EGREP or
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158 the negated form TT_NEGREP, a pointer to the compiled
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159 version of the text string.
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160
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161 */
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162 typedef enum
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163 {
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164 TT_TEST, TT_EGREP, TT_NEGREP, TT_FUNCTION, TT_CKSUM
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165 } te_test_type;
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166
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167 typedef struct test_desc tTestDesc;
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168
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169 struct test_desc
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170 {
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171 te_test_type type;
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172 const char *pz_test_text;
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173 regex_t *p_test_regex;
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174 };
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175
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176 typedef struct patch_desc tPatchDesc;
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177
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178 /* Fix Descriptor
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179
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180 Everything you ever wanted to know about how to apply
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181 a particular fix (which files, how to qualify them,
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182 how to actually make the fix, etc...)
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183
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184 NB: the FD_ defines are BIT FLAGS, even though
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185 some are mutually exclusive
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186
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187 */
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188 #define FD_MACH_ONLY 0x0000
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189 #define FD_MACH_IFNOT 0x0001
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190 #define FD_SHELL_SCRIPT 0x0002
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191 #define FD_SUBROUTINE 0x0004
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192 #define FD_REPLACEMENT 0x0008
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193 #define FD_SKIP_TEST 0x8000
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194
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195 typedef struct fix_desc tFixDesc;
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196 struct fix_desc
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197 {
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198 tCC* fix_name; /* Name of the fix */
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199 tCC* file_list; /* List of files it applies to */
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200 tCC** papz_machs; /* List of machine/os-es it applies to */
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201 int test_ct;
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202 int fd_flags;
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203 tTestDesc* p_test_desc;
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204 tCC** patch_args;
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205 long unused;
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206 };
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207
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208 typedef struct {
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209 int type_name_len;
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210 tCC* pz_type;
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211 tCC* pz_TYPE;
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212 tCC* pz_gtype;
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213 } t_gnu_type_map;
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214
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215 extern int gnu_type_map_ct;
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216
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111
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217 typedef enum {
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218 VERB_SILENT = 0,
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219 VERB_FIXES,
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220 VERB_APPLIES,
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221 VERB_PROGRESS,
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222 VERB_TESTS,
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223 VERB_EVERYTHING
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224 } te_verbose;
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225
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226 extern te_verbose verbose_level;
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227
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228 #define VLEVEL(l) ((unsigned int) verbose_level >= (unsigned int) l)
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229 #define NOT_SILENT VLEVEL(VERB_FIXES)
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230
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231 typedef enum {
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232 TESTING_OFF = 0,
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233 TESTING_ON = 1
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234 } fixinc_mode_t;
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235
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236 extern fixinc_mode_t fixinc_mode;
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237
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0
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238 #ifdef HAVE_MMAP_FILE
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239 #define UNLOAD_DATA() do { if (curr_data_mapped) { \
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240 munmap ((void*)pz_curr_data, data_map_size); close (data_map_fd); } \
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241 else free ((void*)pz_curr_data); } while(0)
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242 #else
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243 #define UNLOAD_DATA() free ((void*)pz_curr_data)
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244 #endif
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245
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246 /*
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247 * Exported procedures
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248 */
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249 char * load_file_data ( FILE* fp );
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250
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251 #ifdef IS_CXX_HEADER_NEEDED
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252 t_bool is_cxx_header ( tCC* filename, tCC* filetext );
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253 #endif /* IS_CXX_HEADER_NEEDED */
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254
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255 #ifdef SKIP_QUOTE_NEEDED
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256 tCC* skip_quote ( char q, char* text );
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257 #endif
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258
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259 void compile_re ( tCC* pat, regex_t* re, int match, tCC *e1, tCC *e2 );
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260
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261 void apply_fix ( tFixDesc* p_fixd, tCC* filname );
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262 apply_fix_p_t
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263 run_test ( tCC* t_name, tCC* f_name, tCC* text );
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264
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265 #ifdef SEPARATE_FIX_PROC
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266 char* make_raw_shell_str ( char* pz_d, tCC* pz_s, size_t smax );
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267 #endif
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268
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269 t_bool mn_get_regexps ( regex_t** label_re, regex_t** name_re, tCC *who );
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270
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271 void initialize_opts ( void );
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111
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272
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273 #if defined(__MINGW32__)
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274
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275 void fix_path_separators ( char* p );
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276
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277 /* prepend shell name to command passed to system call */
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278 int system_with_shell ( char* s );
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279
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280 #else
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281
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282 /* normal call */
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283 #define system_with_shell system
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284
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285 #endif /* defined(__MINGW32__) */
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286
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287 #endif /* ! GCC_FIXLIB_H */
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