1 | /* common definitions for `patch' */ |
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2 | |
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3 | /* $Id: common.h,v 1.1.1.2 1998-02-12 21:43:21 ghudson Exp $ */ |
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4 | |
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5 | /* |
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6 | Copyright 1986, 1988 Larry Wall |
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7 | Copyright 1990, 1991, 1992, 1993, 1997 Free Software Foundation, Inc. |
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8 | |
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9 | This program is free software; you can redistribute it and/or modify |
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10 | it under the terms of the GNU General Public License as published by |
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11 | the Free Software Foundation; either version 2, or (at your option) |
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12 | any later version. |
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13 | |
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14 | This program is distributed in the hope that it will be useful, |
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15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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17 | See the GNU General Public License for more details. |
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18 | |
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19 | You should have received a copy of the GNU General Public License |
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20 | along with this program; see the file COPYING. |
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21 | If not, write to the Free Software Foundation, |
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22 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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23 | */ |
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24 | |
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25 | #ifndef DEBUGGING |
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26 | #define DEBUGGING 1 |
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27 | #endif |
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28 | |
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29 | /* We must define `volatile' and `const' first (the latter inside config.h), |
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30 | so that they're used consistently in all system includes. */ |
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31 | #ifndef __STDC__ |
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32 | # ifndef volatile |
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33 | # define volatile |
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34 | # endif |
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35 | #endif |
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36 | |
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37 | /* Enable support for fseeko and ftello on hosts |
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38 | where it is available but is turned off by default. |
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39 | This must be defined before any system file is included. */ |
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40 | #define _LARGEFILE_SOURCE 1 |
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41 | |
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42 | #include <config.h> |
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43 | |
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44 | #include <assert.h> |
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45 | #include <stdio.h> |
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46 | #include <sys/types.h> |
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47 | #include <time.h> |
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48 | |
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49 | #include <sys/stat.h> |
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50 | #if ! defined S_ISDIR && defined S_IFDIR |
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51 | # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) |
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52 | #endif |
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53 | #if ! defined S_ISREG && defined S_IFREG |
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54 | # define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) |
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55 | #endif |
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56 | #ifndef S_IXOTH |
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57 | #define S_IXOTH 1 |
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58 | #endif |
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59 | #ifndef S_IWOTH |
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60 | #define S_IWOTH 2 |
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61 | #endif |
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62 | #ifndef S_IROTH |
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63 | #define S_IROTH 4 |
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64 | #endif |
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65 | #ifndef S_IXGRP |
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66 | #define S_IXGRP (S_IXOTH << 3) |
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67 | #endif |
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68 | #ifndef S_IWGRP |
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69 | #define S_IWGRP (S_IWOTH << 3) |
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70 | #endif |
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71 | #ifndef S_IRGRP |
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72 | #define S_IRGRP (S_IROTH << 3) |
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73 | #endif |
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74 | #ifndef S_IXUSR |
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75 | #define S_IXUSR (S_IXOTH << 6) |
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76 | #endif |
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77 | #ifndef S_IWUSR |
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78 | #define S_IWUSR (S_IWOTH << 6) |
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79 | #endif |
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80 | #ifndef S_IRUSR |
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81 | #define S_IRUSR (S_IROTH << 6) |
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82 | #endif |
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83 | |
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84 | #if HAVE_LIMITS_H |
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85 | # include <limits.h> |
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86 | #endif |
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87 | #ifndef INT_MAX |
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88 | #define INT_MAX 2147483647 |
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89 | #endif |
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90 | #ifndef LONG_MIN |
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91 | #define LONG_MIN (-1-2147483647L) |
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92 | #endif |
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93 | |
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94 | #include <ctype.h> |
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95 | /* CTYPE_DOMAIN (C) is nonzero if the unsigned char C can safely be given |
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96 | as an argument to <ctype.h> macros like `isspace'. */ |
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97 | #if STDC_HEADERS |
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98 | #define CTYPE_DOMAIN(c) 1 |
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99 | #else |
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100 | #define CTYPE_DOMAIN(c) ((unsigned) (c) <= 0177) |
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101 | #endif |
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102 | #ifndef ISSPACE |
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103 | #define ISSPACE(c) (CTYPE_DOMAIN (c) && isspace (c)) |
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104 | #endif |
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105 | |
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106 | #ifndef ISDIGIT |
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107 | #define ISDIGIT(c) ((unsigned) (c) - '0' <= 9) |
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108 | #endif |
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109 | |
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110 | |
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111 | #ifndef FILESYSTEM_PREFIX_LEN |
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112 | #define FILESYSTEM_PREFIX_LEN(f) 0 |
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113 | #endif |
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114 | |
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115 | #ifndef ISSLASH |
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116 | #define ISSLASH(c) ((c) == '/') |
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117 | #endif |
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118 | |
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119 | |
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120 | /* constants */ |
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121 | |
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122 | /* AIX predefines these. */ |
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123 | #ifdef TRUE |
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124 | #undef TRUE |
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125 | #endif |
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126 | #ifdef FALSE |
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127 | #undef FALSE |
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128 | #endif |
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129 | #define TRUE 1 |
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130 | #define FALSE 0 |
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131 | |
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132 | /* handy definitions */ |
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133 | |
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134 | #define strEQ(s1,s2) (!strcmp(s1, s2)) |
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135 | #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) |
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136 | |
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137 | /* typedefs */ |
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138 | |
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139 | typedef int bool; /* must promote to itself */ |
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140 | typedef long LINENUM; /* must be signed */ |
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141 | |
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142 | /* globals */ |
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143 | |
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144 | extern char const program_name[]; |
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145 | |
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146 | XTERN char *buf; /* general purpose buffer */ |
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147 | XTERN size_t bufsize; /* allocated size of buf */ |
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148 | |
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149 | XTERN bool using_plan_a; /* try to keep everything in memory */ |
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150 | |
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151 | XTERN char *inname; |
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152 | XTERN char *outfile; |
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153 | XTERN int inerrno; |
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154 | XTERN int invc; |
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155 | XTERN struct stat instat; |
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156 | XTERN bool dry_run; |
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157 | XTERN bool posixly_correct; |
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158 | |
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159 | XTERN char const *origprae; |
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160 | XTERN char const *origbase; |
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161 | |
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162 | XTERN char const * volatile TMPOUTNAME; |
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163 | XTERN char const * volatile TMPINNAME; |
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164 | XTERN char const * volatile TMPPATNAME; |
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165 | |
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166 | #ifdef DEBUGGING |
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167 | XTERN int debug; |
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168 | #else |
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169 | # define debug 0 |
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170 | #endif |
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171 | XTERN bool force; |
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172 | XTERN bool batch; |
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173 | XTERN bool noreverse; |
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174 | XTERN int reverse; |
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175 | XTERN enum { DEFAULT_VERBOSITY, SILENT, VERBOSE } verbosity; |
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176 | XTERN bool skip_rest_of_patch; |
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177 | XTERN int strippath; |
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178 | XTERN bool canonicalize; |
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179 | XTERN int patch_get; |
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180 | XTERN int set_time; |
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181 | XTERN int set_utc; |
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182 | |
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183 | enum diff |
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184 | { |
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185 | NO_DIFF, |
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186 | CONTEXT_DIFF, |
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187 | NORMAL_DIFF, |
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188 | ED_DIFF, |
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189 | NEW_CONTEXT_DIFF, |
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190 | UNI_DIFF |
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191 | }; |
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192 | |
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193 | XTERN enum diff diff_type; |
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194 | |
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195 | XTERN char *revision; /* prerequisite revision, if any */ |
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196 | |
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197 | #ifdef __STDC__ |
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198 | # define GENERIC_OBJECT void |
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199 | #else |
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200 | # define GENERIC_OBJECT char |
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201 | #endif |
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202 | |
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203 | #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 6) || __STRICT_ANSI__ |
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204 | # define __attribute__(x) |
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205 | #endif |
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206 | |
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207 | #ifndef PARAMS |
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208 | # ifdef __STDC__ |
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209 | # define PARAMS(args) args |
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210 | # else |
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211 | # define PARAMS(args) () |
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212 | # endif |
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213 | #endif |
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214 | |
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215 | GENERIC_OBJECT *xmalloc PARAMS ((size_t)); |
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216 | void fatal_exit PARAMS ((int)) __attribute__ ((noreturn)); |
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217 | |
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218 | #include <errno.h> |
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219 | #if !STDC_HEADERS && !defined errno |
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220 | extern int errno; |
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221 | #endif |
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222 | |
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223 | #if STDC_HEADERS || HAVE_STRING_H |
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224 | # include <string.h> |
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225 | #else |
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226 | # if !HAVE_MEMCHR |
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227 | # define memcmp(s1, s2, n) bcmp (s1, s2, n) |
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228 | # define memcpy(d, s, n) bcopy (s, d, n) |
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229 | GENERIC_OBJECT *memchr (); |
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230 | # endif |
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231 | #endif |
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232 | |
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233 | #if STDC_HEADERS |
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234 | # include <stdlib.h> |
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235 | #else |
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236 | long atol (); |
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237 | char *getenv (); |
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238 | GENERIC_OBJECT *malloc (); |
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239 | GENERIC_OBJECT *realloc (); |
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240 | #endif |
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241 | |
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242 | #if HAVE_UNISTD_H |
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243 | # include <unistd.h> |
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244 | #endif |
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245 | #ifndef lseek |
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246 | off_t lseek (); |
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247 | #endif |
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248 | #ifndef SEEK_SET |
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249 | #define SEEK_SET 0 |
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250 | #endif |
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251 | #ifndef STDIN_FILENO |
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252 | #define STDIN_FILENO 0 |
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253 | #endif |
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254 | #ifndef STDOUT_FILENO |
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255 | #define STDOUT_FILENO 1 |
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256 | #endif |
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257 | #ifndef STDERR_FILENO |
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258 | #define STDERR_FILENO 2 |
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259 | #endif |
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260 | #if _LFS_LARGEFILE |
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261 | typedef off_t file_offset; |
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262 | # define file_seek fseeko |
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263 | # define file_tell ftello |
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264 | #else |
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265 | typedef long file_offset; |
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266 | # define file_seek fseek |
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267 | # define file_tell ftell |
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268 | #endif |
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269 | |
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270 | #if HAVE_FCNTL_H |
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271 | # include <fcntl.h> |
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272 | #endif |
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273 | #ifndef O_RDONLY |
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274 | #define O_RDONLY 0 |
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275 | #endif |
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276 | #ifndef O_WRONLY |
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277 | #define O_WRONLY 1 |
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278 | #endif |
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279 | #ifndef O_RDWR |
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280 | #define O_RDWR 2 |
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281 | #endif |
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282 | #ifndef _O_BINARY |
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283 | #define _O_BINARY 0 |
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284 | #endif |
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285 | #ifndef O_BINARY |
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286 | #define O_BINARY _O_BINARY |
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287 | #endif |
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288 | #ifndef O_CREAT |
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289 | #define O_CREAT 0 |
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290 | #endif |
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291 | #ifndef O_TRUNC |
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292 | #define O_TRUNC 0 |
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293 | #endif |
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294 | |
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295 | #if HAVE_SETMODE |
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296 | XTERN int binary_transput; /* O_BINARY if binary i/o is desired */ |
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297 | #else |
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298 | # define binary_transput 0 |
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299 | #endif |
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300 | |
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301 | #ifndef NULL_DEVICE |
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302 | #define NULL_DEVICE "/dev/null" |
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303 | #endif |
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304 | |
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305 | #ifndef TTY_DEVICE |
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306 | #define TTY_DEVICE "/dev/tty" |
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307 | #endif |
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