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1 /* $NetBSD: options.c,v 1.26 2007/02/06 15:33:22 perry Exp $ */ |
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2 |
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3 /*- © Portions copyright (c) 2007 Symbian Software Ltd. All rights reserved. |
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4 * Copyright (c) 1990, 1993, 1994 |
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5 * The Regents of the University of California. All rights reserved. |
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6 * |
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7 * This code is derived from software contributed to Berkeley by |
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8 * Cimarron D. Taylor of the University of California, Berkeley. |
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9 * |
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10 * Redistribution and use in source and binary forms, with or without |
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11 * modification, are permitted provided that the following conditions |
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12 * are met: |
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13 * 1. Redistributions of source code must retain the above copyright |
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14 * notice, this list of conditions and the following disclaimer. |
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15 * 2. Redistributions in binary form must reproduce the above copyright |
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16 * notice, this list of conditions and the following disclaimer in the |
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17 * documentation and/or other materials provided with the distribution. |
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18 * 3. Neither the name of the University nor the names of its contributors |
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19 * may be used to endorse or promote products derived from this software |
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20 * without specific prior written permission. |
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21 * |
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22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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32 * SUCH DAMAGE. |
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33 */ |
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34 |
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35 #include <sys/cdefs.h> |
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36 #ifndef lint |
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37 #if 0 |
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38 static char sccsid[] = "from: @(#)options.c 8.2 (Berkeley) 4/16/94"; |
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39 #else |
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40 __RCSID("$NetBSD: options.c,v 1.26 2007/02/06 15:33:22 perry Exp $"); |
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41 #endif |
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42 #endif /* not lint */ |
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43 |
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44 #include <sys/types.h> |
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45 #include <sys/stat.h> |
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46 |
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47 #include <err.h> |
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48 #include "fts.h" |
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49 #include <stdio.h> |
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50 #include <stdlib.h> |
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51 #include <string.h> |
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52 |
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53 #include "find.h" |
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54 |
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55 int typecompare(const void *, const void *); |
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56 static OPTION *option(char *); |
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57 |
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58 /* NB: the following table must be sorted lexically. */ |
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59 static OPTION const options[] = { |
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60 { "!", N_NOT, c_not, 0 }, |
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61 { "(", N_OPENPAREN, c_openparen, 0 }, |
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62 { ")", N_CLOSEPAREN, c_closeparen, 0 }, |
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63 { "-a", N_AND, c_null, 0 }, |
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64 { "-amin", N_AMIN, c_amin, 1 }, |
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65 { "-and", N_AND, c_null, 0 }, |
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66 { "-anewer", N_ANEWER, c_anewer, 1 }, |
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67 { "-atime", N_ATIME, c_atime, 1 }, |
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68 { "-cmin", N_CMIN, c_cmin, 1 }, |
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69 { "-cnewer", N_CNEWER, c_cnewer, 1 }, |
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70 { "-ctime", N_CTIME, c_ctime, 1 }, |
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71 { "-delete", N_DELETE, c_delete, 0 }, |
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72 { "-depth", N_DEPTH, c_depth, 0 }, |
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73 { "-empty", N_EMPTY, c_empty, 0 }, |
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74 { "-exec", N_EXEC, c_exec, 1 }, |
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75 // { "-execdir", N_EXECDIR, c_execdir, 1 }, |
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76 { "-exit", N_EXIT, c_exit, 0 }, |
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77 { "-false", N_FALSE, c_false, 0 }, |
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78 { "-flags", N_FLAGS, c_flags, 1 }, |
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79 { "-follow", N_FOLLOW, c_follow, 0 }, |
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80 { "-fprint", N_FPRINT, c_fprint, 1 }, |
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81 // { "-fstype", N_FSTYPE, c_fstype, 1 }, //NA |
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82 // { "-group", N_GROUP, c_group, 1 }, //NA |
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83 { "-iname", N_INAME, c_iname, 1 }, |
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84 // { "-inum", N_INUM, c_inum, 1 }, //NA |
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85 // { "-iregex", N_IREGEX, c_iregex, 1 }, |
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86 { "-links", N_LINKS, c_links, 1 }, |
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87 { "-ls", N_LS, c_ls, 0 }, |
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88 { "-maxdepth", N_MAXDEPTH, c_maxdepth, 1 }, |
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89 { "-mindepth", N_MINDEPTH, c_mindepth, 1 }, |
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90 { "-mmin", N_MMIN, c_mmin, 1 }, |
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91 { "-mtime", N_MTIME, c_mtime, 1 }, |
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92 { "-name", N_NAME, c_name, 1 }, |
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93 { "-newer", N_NEWER, c_newer, 1 }, |
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94 // { "-nogroup", N_NOGROUP, c_nogroup, 0 }, //NA |
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95 // { "-nouser", N_NOUSER, c_nouser, 0 }, //NA |
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96 { "-o", N_OR, c_or, 0 }, |
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97 { "-ok", N_OK, c_exec, 1 }, |
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98 { "-or", N_OR, c_or, 0 }, |
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99 { "-path", N_PATH, c_path, 1 }, |
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100 // { "-perm", N_PERM, c_perm, 1 }, |
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101 { "-print", N_PRINT, c_print, 0 }, |
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102 { "-print0", N_PRINT0, c_print0, 0 }, |
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103 { "-printx", N_PRINTX, c_printx, 0 }, |
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104 { "-prune", N_PRUNE, c_prune, 0 }, |
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105 // { "-regex", N_REGEX, c_regex, 1 }, |
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106 { "-rm", N_DELETE, c_delete, 0 }, |
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107 { "-size", N_SIZE, c_size, 1 }, |
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108 { "-type", N_TYPE, c_type, 1 }, |
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109 // { "-user", N_USER, c_user, 1 }, //NA |
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110 { "-xdev", N_XDEV, c_xdev, 0 } //NA |
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111 }; |
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112 |
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113 /* |
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114 * find_create -- |
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115 * create a node corresponding to a command line argument. |
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116 * |
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117 * TODO: |
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118 * add create/process function pointers to node, so we can skip |
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119 * this switch stuff. |
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120 */ |
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121 PLAN * |
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122 find_create(char ***argvp) |
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123 { |
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124 OPTION *p; |
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125 PLAN *new; |
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126 char **argv; |
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127 |
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128 argv = *argvp; |
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129 |
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130 if ((p = option(*argv)) == NULL) |
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131 { |
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132 printf("Option not supported.\n"); |
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133 printf("%s\n",*argv); |
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134 exit(1); |
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135 } |
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136 |
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137 ++argv; |
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138 if (p->arg && !*argv){ |
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139 printf("%s: requires additional arguments\n", *--argv); |
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140 exit(0); |
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141 } |
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142 |
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143 new = (p->create)(&argv, p->token == N_OK); |
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144 |
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145 *argvp = argv; |
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146 return (new); |
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147 } |
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148 |
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149 static OPTION * |
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150 option(char *name) |
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151 { |
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152 OPTION tmp; |
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153 |
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154 tmp.name = name; |
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155 return ((OPTION *)bsearch(&tmp, options, |
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156 sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare)); |
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157 } |
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158 |
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159 int |
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160 typecompare(const void *a, const void *b) |
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161 { |
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162 |
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163 return (strcmp(((const OPTION *)a)->name, ((const OPTION *)b)->name)); |
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164 } |