FreeCalypso > hg > freecalypso-sw
annotate ffstools/tiffs-rd/cat.c @ 947:76149e0628ba
target-utils/Makefile: c139explore added
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Mon, 02 Nov 2015 18:11:53 +0000 |
parents | c95efd27fb2e |
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rev | line source |
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1 /* |
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2 * This C module implements the cat and catino commands. |
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3 */ |
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4 |
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5 #include <sys/types.h> |
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6 #include <stdio.h> |
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7 #include <stdlib.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include <unistd.h> |
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11 #include "types.h" |
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12 #include "struct.h" |
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13 #include "globals.h" |
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14 #include "pathname.h" |
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15 |
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16 int cat_mode; |
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17 |
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18 static u8 hex_buf[16]; |
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19 static int hex_fill; |
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20 static u32 hex_offset; |
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21 |
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22 cat_hex_flush() |
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23 { |
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24 int i, c; |
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25 |
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26 printf("%08X: ", hex_offset); |
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27 for (i = 0; i < 16; i++) { |
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28 if (i < hex_fill) |
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29 printf("%02X ", hex_buf[i]); |
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30 else |
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31 fputs(" ", stdout); |
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32 if (i == 7 || i == 15) |
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33 putchar(' '); |
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34 } |
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35 for (i = 0; i < hex_fill; i++) { |
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36 c = hex_buf[i]; |
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37 if (c < ' ' || c > '~') |
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38 c = '.'; |
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39 putchar(c); |
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40 } |
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41 putchar('\n'); |
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42 } |
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43 |
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44 cat_hex_byte(inb) |
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45 { |
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46 hex_buf[hex_fill++] = inb; |
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47 if (hex_fill >= 16) { |
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48 cat_hex_flush(); |
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49 hex_offset += hex_fill; |
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50 hex_fill = 0; |
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51 } |
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52 } |
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53 |
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54 void |
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55 cat_chunk(ch) |
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56 struct chunkinfo *ch; |
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57 { |
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58 u8 *p; |
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59 int c; |
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60 |
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61 if (!ch->len) |
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62 return; |
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63 switch (cat_mode) { |
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64 case 0: |
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65 write(1, ch->start, ch->len); |
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66 return; |
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67 case 1: |
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68 for (p = ch->start; p < ch->end; p++) { |
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69 c = *p; |
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70 if (c >= ' ' && c <= '~' || c == '\n') |
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71 putchar(c); |
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72 else { |
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73 if (c & 0x80) { |
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74 putchar('M'); |
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75 putchar('-'); |
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76 c &= 0x7F; |
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77 } |
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78 putchar('^'); |
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79 if (c == 0x7F) |
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80 putchar('?'); |
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81 else |
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82 putchar(c + '@'); |
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83 } |
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84 } |
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85 return; |
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86 case 2: |
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87 for (p = ch->start; p < ch->end; p++) |
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88 cat_hex_byte(*p); |
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89 return; |
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90 } |
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91 } |
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92 |
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93 void |
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94 cat_finish() |
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95 { |
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96 switch (cat_mode) { |
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97 case 1: |
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98 putchar('\n'); |
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99 return; |
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100 case 2: |
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101 if (hex_fill) |
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102 cat_hex_flush(); |
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103 return; |
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104 } |
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105 } |
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106 |
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107 static void |
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108 segment_cat_callback(inf, opaque) |
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109 struct inode_info *inf; |
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110 u_long opaque; |
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111 { |
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112 struct chunkinfo chi; |
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113 |
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114 size_extra_chunk(inf, &chi); |
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115 cat_chunk(&chi); |
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116 } |
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117 |
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118 cmd_cat(argc, argv) |
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119 char **argv; |
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120 { |
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121 extern int optind; |
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122 int c, headino; |
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123 struct inode_info *inf; |
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124 struct chunkinfo chi; |
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125 |
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126 optind = 0; |
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127 while ((c = getopt(argc, argv, "hv")) != EOF) |
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128 switch (c) { |
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129 case 'h': |
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130 cat_mode = 2; |
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131 continue; |
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132 case 'v': |
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133 cat_mode = 1; |
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134 continue; |
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135 default: |
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136 usage: fprintf(stderr, "usage: cat [-v|-h] pathname\n"); |
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137 exit(1); |
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138 } |
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139 if (argc != optind + 1) |
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140 goto usage; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
141 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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142 read_ffs_image(); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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143 find_inode_block(); |
acedd4c88d2e
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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144 alloc_inode_table(); |
acedd4c88d2e
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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145 find_root_inode(); |
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146 |
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147 headino = find_pathname(argv[optind]); |
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148 inf = inode_info[headino]; |
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149 switch (inf->type) { |
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150 case 0xE1: |
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151 case 0xF1: |
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152 break; |
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153 case 0xF2: |
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154 fprintf(stderr, "error: the requested object is a directory\n"); |
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155 exit(1); |
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parents:
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156 case 0xF3: |
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157 fprintf(stderr, |
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158 "error: the requested object is a symlink; use readlink instead of cat\n"); |
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159 exit(1); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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160 default: |
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161 fprintf(stderr, "error: unexpected object type %02X\n", |
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162 inf->type); |
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163 exit(1); |
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164 } |
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165 size_head_chunk(inf, &chi); |
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166 cat_chunk(&chi); |
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167 iterate_seg_file(headino, segment_cat_callback, 0L, 0, 0); |
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168 cat_finish(); |
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169 exit(0); |
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170 } |
241
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171 |
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172 cmd_catino(argc, argv) |
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173 char **argv; |
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174 { |
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175 extern int optind; |
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176 int c, headino; |
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177 struct inode_info *inf; |
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240
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178 struct chunkinfo chi; |
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240
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179 |
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240
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180 optind = 0; |
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181 while ((c = getopt(argc, argv, "hv")) != EOF) |
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240
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|
182 switch (c) { |
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240
diff
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|
183 case 'h': |
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240
diff
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|
184 cat_mode = 2; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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240
diff
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|
185 continue; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
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|
186 case 'v': |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
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|
187 cat_mode = 1; |
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240
diff
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|
188 continue; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
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|
189 default: |
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240
diff
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|
190 usage: fprintf(stderr, "usage: catino [-v|-h] ino\n"); |
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240
diff
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|
191 exit(1); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
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|
192 } |
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parents:
240
diff
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|
193 if (argc != optind + 1) |
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240
diff
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|
194 goto usage; |
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parents:
240
diff
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|
195 headino = strtoul(argv[optind], 0, 16); |
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240
diff
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|
196 |
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240
diff
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|
197 read_ffs_image(); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
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|
198 find_inode_block(); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
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|
199 alloc_inode_table(); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
200 if (!validate_inode(headino)) { |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
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|
201 fprintf(stderr, "catino: specified inode number is invalid\n"); |
c95efd27fb2e
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
202 exit(1); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
203 } |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
204 inf = inode_info[headino]; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
205 switch (inf->type) { |
c95efd27fb2e
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
206 case 0x00: |
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tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
207 case 0xE1: |
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tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
208 case 0xF1: |
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tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
209 case 0xF3: |
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tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
210 break; |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
211 case 0xF2: |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
212 fprintf(stderr, "error: the requested object is a directory\n"); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
213 exit(1); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
214 default: |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
215 fprintf(stderr, "error: unexpected object type %02X\n", |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
216 inf->type); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
217 exit(1); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
218 } |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
219 if (!inf->len) { |
c95efd27fb2e
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
220 fprintf(stderr, "error: requested inode has been reclaimed\n"); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
221 exit(1); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
222 } |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
223 if (!validate_obj_name(headino, 0)) { |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
224 fprintf(stderr, |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
225 "error: no valid name at the beginning of the requested seghead chunk\n"); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
226 exit(1); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
227 } |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
228 size_head_chunk(inf, &chi); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
229 cat_chunk(&chi); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
230 iterate_seg_file(headino, segment_cat_callback, 0L, !inf->type, 0); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
231 cat_finish(); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
232 exit(0); |
c95efd27fb2e
tiffs catino implemented
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
240
diff
changeset
|
233 } |