Mercurial > hg > dmlib
annotate tools/fanalyze.c @ 1683:187a9f3c9e88
Use DM_PRIu_SIZE_T for size_t type.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 31 May 2018 15:25:56 +0300 |
parents | 2cfb4806cf71 |
children | 904904f145b4 |
rev | line source |
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1 /* |
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2 * Fanalyze - Analyze similarities between multiple files |
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3 * Programmed and designed by Matti 'ccr' Hamalainen |
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4 * (C) Copyright 2018 Tecnic Software productions (TNSP) |
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5 * |
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6 * Please read file 'COPYING' for information on license and distribution. |
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7 */ |
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8 #include "dmtool.h" |
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9 #include "dmlib.h" |
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10 #include "dmargs.h" |
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11 #include "dmfile.h" |
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12 |
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13 #define SET_MAX_FILES (8) |
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14 |
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15 |
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16 /* Typedefs |
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17 */ |
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18 typedef struct |
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19 { |
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20 char *filename; |
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21 Uint8 *data; |
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22 size_t size; // offset, crop_start, crop_end, doCrop? |
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23 } DMSourceFile; |
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24 |
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25 |
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26 /* Global variables |
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27 */ |
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28 int nsrcFiles = 0; // Number of source files |
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29 DMSourceFile srcFiles[SET_MAX_FILES]; // Source file names |
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30 |
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31 |
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32 /* Arguments |
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33 */ |
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34 static const DMOptArg optList[] = |
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35 { |
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36 { 0, '?', "help", "Show this help", OPT_NONE }, |
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37 { 1, 'v', "verbose", "Be more verbose", OPT_NONE }, |
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38 }; |
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39 |
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40 static const int optListN = sizeof(optList) / sizeof(optList[0]); |
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41 |
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42 |
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43 void argShowHelp() |
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44 { |
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45 dmPrintBanner(stdout, dmProgName, "[options] <input file #1> <input file #2> [...]"); |
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46 dmArgsPrintHelp(stdout, optList, optListN, 0); |
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47 } |
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48 |
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49 |
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50 BOOL argHandleOpt(const int optN, char *optArg, char *currArg) |
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51 { |
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52 switch (optN) |
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53 { |
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54 case 0: |
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55 argShowHelp(); |
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56 exit(0); |
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57 break; |
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58 |
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59 case 1: |
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60 dmVerbosity++; |
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61 break; |
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62 |
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63 default: |
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64 dmErrorMsg("Unknown argument '%s'.\n", currArg); |
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65 return FALSE; |
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66 } |
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67 |
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68 return TRUE; |
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69 } |
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70 |
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71 |
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72 BOOL argHandleNonOpt(char *currArg) |
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73 { |
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74 if (nsrcFiles < SET_MAX_FILES) |
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75 { |
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76 DMSourceFile *file = &srcFiles[nsrcFiles++]; |
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77 file->filename = currArg; |
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78 return TRUE; |
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79 } |
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80 else |
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81 { |
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82 dmErrorMsg("Maximum number of input files exceeded (%d).\n", |
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83 SET_MAX_FILES); |
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84 return FALSE; |
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85 } |
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86 } |
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87 |
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88 |
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89 #define SET_MAX_ELEMS 256 |
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90 typedef struct |
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91 { |
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92 Uint8 counts[SET_MAX_ELEMS]; |
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93 Uint8 variants, data; |
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94 } DMCompElem; |
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95 |
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96 |
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97 int main(int argc, char *argv[]) |
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98 { |
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99 DMCompElem *compBuf = NULL; |
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100 size_t compBufSize = 0; |
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101 int res; |
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102 |
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103 dmInitProg("fanalyze", "File format analyzer", "0.1", NULL, NULL); |
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104 dmVerbosity = 1; |
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105 |
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106 // Parse arguments |
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107 if (!dmArgsProcess(argc, argv, optList, optListN, |
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108 argHandleOpt, argHandleNonOpt, OPTH_BAILOUT)) |
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109 exit(1); |
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110 |
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111 if (nsrcFiles < 1) |
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112 { |
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113 dmErrorMsg("Nothing to do. (try --help)\n"); |
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114 goto out; |
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Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
115 } |
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Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
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|
116 |
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|
117 // Read input files |
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118 for (int nfile = 0; nfile < nsrcFiles; nfile++) |
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|
119 { |
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|
120 DMSourceFile *file = &srcFiles[nfile]; |
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121 dmPrint(2, "Input #%d: %s\n", nfile + 1, file->filename); |
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122 if ((res = dmReadDataFile(NULL, file->filename, &file->data, &file->size)) != DMERR_OK) |
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|
123 { |
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124 dmErrorMsg("Could not read '%s': %s\n", |
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125 file->filename, dmErrorStr(res)); |
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126 goto out; |
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|
127 } |
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128 |
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129 if (file->size > compBufSize) |
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130 compBufSize = file->size; |
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131 } |
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132 |
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133 // Allocate comparision buffer |
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134 // XXX: integer overflow? |
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135 dmPrint(2, "Allocating %d element (%d bytes) comparision buffer.\n", |
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136 compBufSize, compBufSize * sizeof(DMCompElem)); |
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137 |
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138 if ((compBuf = dmCalloc(compBufSize, sizeof(DMCompElem))) == NULL) |
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139 { |
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140 dmErrorMsg("Out of memory. Could not allocate comparision buffer!\n"); |
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141 goto out; |
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142 } |
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143 |
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144 // Begin analyzing .. |
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145 dmPrint(2, "Analyzing ..\n"); |
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146 for (int nfile = 0; nfile < nsrcFiles; nfile++) |
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Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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147 { |
2cfb4806cf71
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148 DMSourceFile *file = &srcFiles[nfile]; |
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149 for (size_t offs = 0; offs < compBufSize; offs++) |
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150 if (offs < file->size) |
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|
151 compBuf[offs].counts[file->data[offs]]++; |
2cfb4806cf71
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diff
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|
152 else |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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|
153 compBuf[offs].counts[0]++; |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
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|
154 } |
2cfb4806cf71
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|
155 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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diff
changeset
|
156 for (size_t offs = 0; offs < compBufSize; offs++) |
2cfb4806cf71
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diff
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|
157 { |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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diff
changeset
|
158 DMCompElem *el = &compBuf[offs]; |
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diff
changeset
|
159 for (int n = 0; n < SET_MAX_ELEMS; n++) |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
160 { |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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diff
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|
161 if (el->counts[n] > 0) |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
162 { |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
163 el->variants++; |
2cfb4806cf71
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diff
changeset
|
164 el->data = n; |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
165 } |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
166 } |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
167 } |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
168 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
169 // Display results |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
170 for (size_t offs = 0, n = 0; offs < compBufSize; offs++) |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
171 { |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
172 DMCompElem *el = &compBuf[offs]; |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
173 BOOL var = el->variants > 1; |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
174 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
175 if (n == 0) |
1683
187a9f3c9e88
Use DM_PRIu_SIZE_T for size_t type.
Matti Hamalainen <ccr@tnsp.org>
parents:
1682
diff
changeset
|
176 printf("%08" DM_PRIu_SIZE_T "x | ", offs); |
1682
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
177 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
178 if (var) |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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diff
changeset
|
179 printf("[%2d] ", el->variants); |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
180 else |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
181 printf(" %02x ", el->data); |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
182 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
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parents:
diff
changeset
|
183 if (++n >= 16) |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
184 { |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
185 printf("\n"); |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
186 n = 0; |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
187 } |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
188 } |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
189 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
190 printf("\n"); |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
191 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
192 out: |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
193 for (int nfile = 0; nfile < nsrcFiles; nfile++) |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
194 { |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
195 DMSourceFile *file = &srcFiles[nfile]; |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
196 dmFree(file->data); |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
197 } |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
198 |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
199 return 0; |
2cfb4806cf71
Add simple and naively implemented multi-file bindiff type file analyzer utility 'fanalyze'.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
200 } |