HuntnGather – Blame information for rev 16
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Rev | Author | Line No. | Line |
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1 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) 2021 Wizardry and Steamworks - License: MIT // |
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3 | /////////////////////////////////////////////////////////////////////////// |
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4 | |||
5 | #include <stdio.h> |
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6 | #include <stdlib.h> |
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7 | #include <string.h> |
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8 | #include <dirent.h> |
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9 | #include <signal.h> |
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10 | |||
11 | #include <sys/types.h> |
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12 | #include <sys/stat.h> |
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13 | |||
14 | #include <proto/dos.h> |
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15 | #include <proto/exec.h> |
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16 | |||
17 | #include "StringStack.h" |
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18 | |||
5 | office | 19 | #if !defined ___HAVE_GETOPT___ |
1 | office | 20 | #include "getopt.h" |
21 | #endif |
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22 | |||
5 | office | 23 | #if defined ___AmigaOS___ |
24 | /*************************************************************************/ |
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25 | /* Version string used for querrying the program version. */ |
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26 | /*************************************************************************/ |
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27 | TEXT version_string[] = |
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11 | office | 28 | "\0$VER: Gather 1.7 "__DATE__" by Wizardry and Steamworks"; |
5 | office | 29 | #endif |
1 | office | 30 | |
31 | #if !defined TRUE |
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32 | #define TRUE 1; |
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33 | #endif |
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34 | |||
35 | #if !defined FALSE |
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36 | #define FALSE 0; |
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37 | #endif |
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38 | |||
2 | office | 39 | #define MAX_MEM 262144 |
11 | office | 40 | #define NAME_BUF 32 |
41 | #define PATH_BUF 128 |
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42 | #define LINE_BUF 256 |
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2 | office | 43 | #define DEFAULT_DATABASE_FILE "S:gather.db" |
1 | office | 44 | |
45 | typedef struct { |
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46 | unsigned int dirs; |
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47 | unsigned int files; |
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48 | } stats; |
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49 | |||
50 | int run = TRUE; |
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51 | int verbose = TRUE; |
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52 | |||
53 | void SignalHandler(int sig) { |
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54 | // Toggle the run flag to stop execution. |
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55 | run = FALSE; |
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56 | } |
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57 | |||
58 | int compare(const void *a, const void *b) { |
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59 | const char **p = (const char **)a; |
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60 | const char **q = (const char **)b; |
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13 | office | 61 | return strncmp(*p, *q, strlen(*p)); |
1 | office | 62 | } |
63 | |||
64 | /* |
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65 | * |
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66 | * Sorts a database file lexicographically. |
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67 | */ |
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68 | void SortDatabase(char *dbFile) { |
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69 | FILE *fp; |
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70 | char *name = NULL; |
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71 | char *path = NULL; |
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72 | char **database; |
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73 | char c; |
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74 | int i; |
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75 | int side; |
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76 | unsigned int line; |
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11 | office | 77 | int name_size; |
78 | int path_size; |
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1 | office | 79 | |
80 | // Open database file for reading. |
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81 | if((fp = fopen(dbFile, "r")) == NULL) { |
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82 | fprintf(stderr, "Unable to open gather database for reading.\n"); |
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83 | return; |
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84 | } |
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85 | |||
11 | office | 86 | database = malloc(sizeof(char *)); |
87 | name_size = NAME_BUF; |
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88 | name = malloc(name_size * sizeof(char)); |
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89 | path_size = PATH_BUF; |
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90 | path = malloc(path_size * sizeof(char)); |
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1 | office | 91 | line = 0; |
92 | side = 0; |
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93 | i = 0; |
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94 | |||
95 | if(verbose) { |
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96 | fprintf(stdout, "Sorting database: '%s'\n", dbFile); |
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97 | } |
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98 | |||
99 | while(run && fscanf(fp, "%c", &c) == 1) { |
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100 | #if defined ___AmigaOS___ |
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101 | // Check if CTRL+C was pressed and abort the program. |
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102 | if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) { |
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103 | run = FALSE; |
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104 | continue; |
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105 | } |
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106 | #endif |
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107 | switch(c) { |
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108 | case '\n': |
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109 | // Load up the name and path into the database variable. |
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11 | office | 110 | database = realloc(database, (line + 1) * sizeof(char *)); |
111 | database[line] = malloc((strlen(name) + strlen(path) + 1 + 1) * sizeof(char)); |
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1 | office | 112 | sprintf(database[line], "%s\t%s", name, path); |
113 | ++line; |
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114 | |||
115 | free(name); |
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11 | office | 116 | name_size = NAME_BUF; |
117 | name = malloc(name_size * sizeof(char)); |
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1 | office | 118 | --side; |
119 | i = 0; |
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120 | |||
121 | break; |
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122 | case '\t': |
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123 | free(path); |
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11 | office | 124 | path_size = PATH_BUF; |
125 | path = malloc(path_size * sizeof(char)); |
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1 | office | 126 | ++side; |
127 | i = 0; |
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128 | break; |
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129 | default: |
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130 | switch(side) { |
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131 | case 0: |
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11 | office | 132 | if(strlen(name) == name_size) { |
133 | name_size = name_size * 1.5; |
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134 | name = realloc(name, name_size * sizeof(char)); |
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135 | } |
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136 | //name = realloc(name, (i + 1 + 1) * sizeof(char)); |
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1 | office | 137 | name[i] = c; |
138 | name[i + 1] = '\0'; |
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139 | break; |
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140 | case 1: |
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11 | office | 141 | if(strlen(path) == path_size) { |
142 | path_size = path_size * 1.5; |
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143 | path = realloc(path, path_size * sizeof(char)); |
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144 | } |
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145 | //path = realloc(path, (i + 1 + 1) * sizeof(char)); |
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1 | office | 146 | path[i] = c; |
147 | path[i + 1] = '\0'; |
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148 | break; |
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149 | default: |
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150 | fprintf(stderr, "Database corrupted.\n"); |
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151 | break; |
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152 | } |
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153 | ++i; |
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154 | break; |
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155 | } |
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156 | } |
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157 | |||
158 | fclose(fp); |
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159 | |||
160 | // Sort the database. |
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161 | qsort(database, line, sizeof(char *), compare); |
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162 | |||
163 | // Write the database lines back to the database. |
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164 | if((fp = fopen(dbFile, "w+")) == NULL) { |
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165 | fprintf(stderr, "Unable to open gather database for writing.\n"); |
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166 | return; |
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167 | } |
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168 | |||
169 | for(i = 0; i < line; ++i) { |
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170 | fprintf(fp, "%s\n", database[i]); |
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171 | } |
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172 | |||
173 | free(database); |
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174 | fclose(fp); |
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175 | } |
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176 | |||
177 | /* |
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178 | * |
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179 | * Updates a database file "dbFile". |
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180 | */ |
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181 | void UpdateDatabase(char *dbFile, stringStack *dirStack, stats *stats) { |
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182 | FILE *fp; |
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183 | DIR *dir; |
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184 | struct dirent *dirEntry; |
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185 | struct stat dirStat; |
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186 | unsigned int size; |
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187 | char *path; |
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188 | char *subPath; |
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189 | |||
190 | if((fp = fopen(dbFile, "w+")) == NULL) { |
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191 | fprintf(stderr, "Unable to open gather database for writing.\n"); |
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192 | return; |
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193 | } |
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194 | |||
195 | while(run && !stringStackIsEmpty(dirStack)) { |
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196 | #if defined ___AmigaOS___ |
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197 | // Check if CTRL+C was pressed and abort the program. |
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198 | if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) { |
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199 | run = FALSE; |
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200 | } |
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201 | #endif |
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16 | office | 202 | if((path = stringStackPop(dirStack)) == NULL || |
203 | strlen(path) == 0) { |
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1 | office | 204 | return; |
205 | } |
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206 | |||
207 | if((dir = opendir(path)) == NULL) { |
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208 | return; |
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209 | } |
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210 | |||
211 | while(run && (dirEntry = readdir(dir)) != NULL) { |
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212 | #if defined ___AmigaOS___ |
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213 | // Check if CTRL+C was pressed and abort the program. |
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214 | if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) { |
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215 | run = FALSE; |
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216 | } |
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217 | #endif |
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218 | size = sizeof(path) + sizeof(dirEntry->d_name) + 1; |
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219 | switch(path[strlen(path) - 1]) { |
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220 | case '/': |
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221 | case ':': // This is a drive path. |
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11 | office | 222 | subPath = malloc(size); |
1 | office | 223 | sprintf(subPath, "%s%s", path, dirEntry->d_name); |
224 | break; |
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225 | default: |
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11 | office | 226 | subPath = malloc(size + 1); |
1 | office | 227 | sprintf(subPath, "%s/%s", path, dirEntry->d_name); |
228 | break; |
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229 | } |
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230 | stat(subPath, &dirStat); |
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231 | if(S_ISDIR(dirStat.st_mode)) { |
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232 | stringStackPush(dirStack, subPath); |
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233 | |||
234 | ++stats->dirs; |
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235 | |||
236 | if(verbose) { |
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237 | fprintf(stdout, |
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238 | "Gathered %d directories and %d files.\r", |
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239 | stats->dirs, |
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240 | stats->files); |
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241 | } |
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242 | |||
243 | free(subPath); |
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244 | continue; |
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245 | } |
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246 | |||
247 | // Write to database file. |
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15 | office | 248 | |
249 | #if defined ___NOCASE_FS___ |
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250 | strupr(dirEntry->d_name); |
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251 | #endif |
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252 | |||
1 | office | 253 | fprintf(fp, "%s\t%s\n", dirEntry->d_name, subPath); |
254 | |||
255 | ++stats->files; |
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256 | |||
257 | if(verbose) { |
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258 | fprintf(stdout, |
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259 | "Gathered %d directories and %d files.\r", |
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260 | stats->dirs, |
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261 | stats->files); |
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262 | } |
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263 | |||
264 | free(subPath); |
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265 | } |
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266 | |||
267 | closedir(dir); |
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268 | free(path); |
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269 | } |
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270 | |||
271 | if(verbose) { |
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272 | fprintf(stdout, "\n"); |
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273 | } |
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274 | |||
275 | fclose(fp); |
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276 | |||
277 | } |
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278 | |||
279 | /* |
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280 | * |
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281 | * Gets the size of a database "dbFle". |
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282 | */ |
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283 | int GetDatabaseSize(char *dbFile) { |
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284 | FILE *fp; |
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285 | int size; |
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286 | |||
287 | if((fp = fopen(dbFile, "r")) == NULL) { |
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288 | fprintf(stderr, "Unable to open gather database for reading.\n"); |
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289 | return 0; |
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290 | } |
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291 | |||
292 | fseek(fp, 0L, SEEK_END); |
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293 | size = ftell(fp); |
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294 | |||
295 | fclose(fp); |
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296 | return size; |
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297 | } |
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298 | |||
299 | /* |
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300 | * |
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301 | * Counts the lines in a database file "dbFile". |
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302 | */ |
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303 | int CountDatabaseLines(char *dbFile) { |
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304 | FILE *fp; |
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305 | int lines; |
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306 | char c; |
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307 | |||
308 | if((fp = fopen(dbFile, "r")) == NULL) { |
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309 | fprintf(stderr, "Unable to open gather database for reading.\n"); |
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310 | return 0; |
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311 | } |
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312 | |||
313 | lines = 0; |
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314 | while(fscanf(fp, "%c", &c) == 1) { |
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315 | switch(c) { |
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316 | case '\n': |
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317 | ++lines; |
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318 | break; |
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319 | } |
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320 | } |
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321 | |||
322 | fclose(fp); |
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323 | |||
324 | return lines; |
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325 | } |
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326 | |||
327 | /* |
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328 | * |
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329 | * Creates "files" temporary filenames. |
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330 | */ |
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331 | char **CreateTempFiles(int files) { |
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332 | char **tmpNames; |
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333 | int count; |
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334 | |||
11 | office | 335 | tmpNames = malloc(files * sizeof(char *)); |
1 | office | 336 | |
337 | if(verbose) { |
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338 | fprintf(stdout, "Creating temporary files.\r"); |
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339 | } |
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340 | |||
341 | count = files; |
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342 | while(--count > -1) { |
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343 | #if defined ___AmigaOS___ |
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344 | // Check if CTRL+C was pressed and abort the program. |
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345 | if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) { |
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346 | run = FALSE; |
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347 | } |
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348 | #endif |
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349 | tmpNames[count] = tmpnam(NULL); |
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350 | |||
351 | if(verbose) { |
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352 | fprintf(stdout, "Creating temporary files: %d%%\r", 100 - (int)(((float)count / files) * 100.0)); |
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353 | } |
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354 | } |
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355 | |||
356 | if(verbose) { |
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357 | fprintf(stdout, "\n"); |
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358 | } |
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359 | |||
360 | return tmpNames; |
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361 | } |
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362 | |||
363 | /* |
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364 | * |
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365 | * Writes lines from the database "dbFile" to temporary filenames "tmpNames". |
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366 | */ |
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367 | void WriteTempFiles(char *dbFile, char **tmpNames, int tmpFiles, int tmpLines, int total) { |
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368 | FILE *fp, *tp; |
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369 | char c; |
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370 | int lines; |
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371 | int linesWritten; |
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372 | |||
373 | if((fp = fopen(dbFile, "r")) == NULL) { |
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374 | fprintf(stderr, "Unable to open gather database for reading.\n"); |
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375 | return; |
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376 | } |
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377 | |||
378 | if((tp = fopen(tmpNames[--tmpFiles], "w+")) == NULL) { |
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379 | fprintf(stderr, "Unable to open temporary file '%s' for writing.\n", tmpNames[tmpFiles]); |
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380 | return; |
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381 | } |
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382 | |||
383 | if(verbose) { |
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384 | fprintf(stdout, "Writing to temporary files.\r"); |
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385 | } |
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386 | |||
387 | linesWritten = 0; |
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388 | lines = 0; |
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389 | while(run && fscanf(fp, "%c", &c) == 1) { |
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390 | #if defined ___AmigaOS___ |
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391 | // Check if CTRL+C was pressed and abort the program. |
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392 | if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) { |
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393 | run = FALSE; |
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394 | } |
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395 | #endif |
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396 | switch(c) { |
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397 | case '\n': |
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398 | // Increment the total written lines. |
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399 | ++linesWritten; |
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400 | |||
401 | if(verbose) { |
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402 | fprintf(stdout, "Writing to temporary files: %d%%.\r", (int)(((float)linesWritten / total) * 100.0)); |
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403 | } |
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404 | |||
405 | // Write the newline character back. |
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406 | if(fprintf(tp, "%c", c) != 1) { |
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407 | fprintf(stderr, "Unable to write to temporary file '%s'.\n", tmpNames[tmpFiles]); |
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408 | fclose(fp); |
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409 | return; |
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410 | } |
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411 | // Switch to the next temporary file. |
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412 | if(++lines >= tmpLines) { |
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413 | // If there are no temporary files left then run till the end. |
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414 | if(tmpFiles - 1 < 0) { |
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415 | break; |
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416 | } |
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417 | |||
418 | // Close the previous temporary file and write to the next temporary file. |
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419 | fclose(tp); |
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420 | if((tp = fopen(tmpNames[--tmpFiles], "w+")) == NULL) { |
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421 | fprintf(stderr, "Unable to open temporary file '%s' for writing.\n", tmpNames[tmpFiles]); |
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422 | fclose(fp); |
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423 | } |
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424 | lines = 0; |
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425 | break; |
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426 | } |
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427 | break; |
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428 | default: |
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429 | if(fprintf(tp, "%c", c) != 1) { |
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430 | fprintf(stderr, "Unable to write to temporary file '%s'.\n", tmpNames[tmpFiles]); |
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431 | fclose(tp); |
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432 | fclose(fp); |
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433 | return; |
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434 | } |
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435 | break; |
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436 | } |
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437 | } |
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438 | |||
439 | fprintf(stdout, "\n"); |
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440 | |||
441 | fclose(tp); |
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442 | fclose(fp); |
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443 | } |
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444 | |||
445 | /* |
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446 | * |
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447 | * Skips a line in a database file "fp". |
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448 | */ |
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449 | void SkipDatabaseLine(FILE *fp) { |
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450 | char c; |
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451 | |||
452 | while(fscanf(fp, "%c", &c) == 1) { |
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453 | if(c == '\n') { |
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454 | break; |
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455 | } |
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456 | } |
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457 | |||
458 | return; |
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459 | } |
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460 | |||
461 | /* |
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462 | * |
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463 | * Reads a line from the database file "fp". |
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464 | */ |
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465 | char *ReadDatabaseLine(FILE *fp) { |
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466 | char c; |
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467 | char *line; |
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11 | office | 468 | int line_size; |
469 | int i; |
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1 | office | 470 | |
11 | office | 471 | line_size = LINE_BUF; |
472 | line = malloc(line_size * sizeof(char)); |
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1 | office | 473 | |
11 | office | 474 | i = 0; |
1 | office | 475 | while(run && fscanf(fp, "%c", &c) == 1) { |
476 | #if defined ___AmigaOS___ |
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477 | // Check if CTRL+C was pressed and abort the program. |
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478 | if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) { |
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479 | run = FALSE; |
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480 | } |
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481 | #endif |
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482 | switch(c) { |
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483 | case '\n': |
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484 | // Rewind the file by the number of read characters. |
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11 | office | 485 | fseek(fp, -(i + 1), SEEK_CUR); |
1 | office | 486 | return line; |
487 | default: |
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11 | office | 488 | if(strlen(line) == line_size) { |
489 | line_size = line_size * 1.5; |
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490 | line = realloc(line, line_size * sizeof(char)); |
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491 | } |
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492 | //line = realloc(line, (chars + 1 + 1) * sizeof(char)); |
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493 | line[i] = c; |
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494 | line[i + 1] = '\0'; |
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1 | office | 495 | break; |
496 | } |
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11 | office | 497 | ++i; |
1 | office | 498 | } |
499 | |||
500 | return NULL; |
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501 | } |
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502 | |||
503 | /* |
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504 | * |
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505 | * Merges temporary files "tmpNames" into a database "dbFile". |
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506 | */ |
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507 | void MergeDatabase(char *dbFile, char **tmpNames, int files, int lines) { |
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508 | FILE *fp; |
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509 | FILE **tp; |
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510 | int i; |
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14 | office | 511 | int j; |
1 | office | 512 | char *tmp; |
14 | office | 513 | char *min; |
1 | office | 514 | int count; |
515 | |||
516 | if((fp = fopen(dbFile, "w+")) == NULL) { |
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517 | fprintf(stderr, "Unable to open gather database for writing.\n"); |
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518 | return; |
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519 | } |
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520 | |||
521 | // Allocate as many file pointers as temporary files. |
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11 | office | 522 | tp = malloc(files * sizeof(FILE *)); |
1 | office | 523 | |
524 | // Open all temporary files for reading. |
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525 | for(i = 0; i < files; ++i) { |
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526 | if((tp[i] = fopen(tmpNames[i], "r")) == NULL) { |
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527 | fprintf(stderr, "Unable to open temporary file '%s' for reading.\n", tmpNames[i]); |
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528 | // Close all temporary files. |
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529 | --i; |
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530 | while(i >= 0) { |
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531 | fclose(tp[i]); |
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532 | } |
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533 | return; |
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534 | } |
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535 | } |
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536 | |||
537 | if(verbose) { |
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538 | fprintf(stdout, "Merging all database lines in temporary files.\r"); |
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539 | } |
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540 | |||
541 | count = lines; |
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14 | office | 542 | j = 0; |
1 | office | 543 | while(run && --count > -1) { |
544 | #if defined ___AmigaOS___ |
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545 | // Check if CTRL+C was pressed and abort the program. |
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546 | if(SetSignal(0L, SIGBREAKF_CTRL_C) & SIGBREAKF_CTRL_C) { |
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547 | run = FALSE; |
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548 | } |
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549 | #endif |
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550 | // Find the smallest line in all temporary files. |
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551 | if(verbose) { |
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552 | fprintf(stdout, "Merging all database lines in temporary files: %d%%.\r", 100 - (int)(((float)count / lines) * 100.0)); |
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553 | } |
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554 | |||
14 | office | 555 | min = NULL; |
1 | office | 556 | for(i = 0; i < files; ++i) { |
557 | tmp = ReadDatabaseLine(tp[i]); |
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558 | if(tmp == NULL) { |
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559 | continue; |
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560 | } |
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14 | office | 561 | if(min == NULL || strncmp(tmp, min, strlen(tmp)) < 0) { |
562 | if(min != NULL) { |
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2 | office | 563 | // Free previous instance. |
14 | office | 564 | free(min); |
2 | office | 565 | } |
14 | office | 566 | min = malloc((strlen(tmp) + 1) * sizeof(char)); |
567 | sprintf(min, "%s", tmp); |
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1 | office | 568 | // Remember the index of the file where the smallest entry has been found. |
14 | office | 569 | j = i; |
1 | office | 570 | free(tmp); |
571 | continue; |
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572 | } |
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573 | free(tmp); |
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574 | } |
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575 | |||
576 | // Forward the file where the smallest line was found. |
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14 | office | 577 | SkipDatabaseLine(tp[j]); |
1 | office | 578 | |
579 | // Write the smallest line. |
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14 | office | 580 | if(min != NULL) { |
581 | fprintf(fp, "%s\n", min); |
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582 | free(min); |
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1 | office | 583 | } |
584 | } |
||
585 | |||
586 | // Write out any remaining contents from the temporary files. |
||
587 | for(i = 0; i < files; ++i) { |
||
588 | tmp = ReadDatabaseLine(tp[i]); |
||
589 | if(tmp == NULL) { |
||
590 | continue; |
||
591 | } |
||
592 | fprintf(fp, "%s\n", tmp); |
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14 | office | 593 | free(tmp); |
1 | office | 594 | } |
595 | |||
596 | // Close and delete all temporary files. |
||
597 | for(i = 0; i < files; ++i) { |
||
598 | fclose(tp[i]); |
||
599 | // Delete temporary file. |
||
600 | remove(tmpNames[i]); |
||
601 | } |
||
602 | |||
603 | if(verbose) { |
||
604 | fprintf(stdout, "\n"); |
||
605 | } |
||
606 | |||
607 | fclose(fp); |
||
608 | } |
||
609 | |||
610 | /* |
||
611 | * |
||
612 | * Indexes a "path" by creating a database "dbFile". |
||
613 | */ |
||
614 | void Gather(char *dbFile, char *path) { |
||
615 | stringStack *stack = stringStackCreate(1); |
||
616 | stats *stats = malloc(sizeof(stats)); |
||
617 | char **tmpNames; |
||
618 | int dbSize, dbLines, tmpFiles, tmpLines; |
||
619 | int i; |
||
620 | |||
621 | // Initialize metrics. |
||
622 | stats->dirs = 0; |
||
623 | stats->files = 0; |
||
624 | |||
625 | // Push the first path onto the stack. |
||
626 | stringStackPush(stack, path); |
||
627 | |||
628 | // Generate the database file. |
||
629 | UpdateDatabase(dbFile, stack, stats); |
||
630 | |||
631 | // Get the database metrics. |
||
632 | dbSize = GetDatabaseSize(dbFile); |
||
633 | dbLines = CountDatabaseLines(dbFile); |
||
634 | |||
635 | // Compute the amount of temporary files needed. |
||
636 | tmpFiles = dbSize / MAX_MEM; |
||
637 | |||
638 | // In case no temporary files are required, |
||
639 | // just sort the database and terminate. |
||
2 | office | 640 | if(tmpFiles <= 1) { |
1 | office | 641 | SortDatabase(dbFile); |
642 | return; |
||
643 | } |
||
644 | |||
645 | tmpLines = dbLines / tmpFiles; |
||
646 | |||
647 | // Create temporary files. |
||
648 | if((tmpNames = CreateTempFiles(tmpFiles)) == NULL) { |
||
649 | fprintf(stderr, "Unable to create temporary files.\n"); |
||
650 | return; |
||
651 | } |
||
652 | |||
653 | // Write "tmpLines" to temporary files in "tmpFiles" from "dbFile". |
||
654 | WriteTempFiles(dbFile, tmpNames, tmpFiles, tmpLines, dbLines); |
||
655 | |||
656 | // Sort the temporary files. |
||
657 | for(i = 0; i < tmpFiles; ++i) { |
||
658 | SortDatabase(tmpNames[i]); |
||
659 | } |
||
660 | |||
661 | MergeDatabase(dbFile, tmpNames, tmpFiles, dbLines); |
||
662 | } |
||
663 | |||
11 | office | 664 | void usage(char *name) { |
665 | fprintf(stdout, "Hunt & Gather - %s, a file index generating tool. \n", name); |
||
666 | fprintf(stdout, " \n"); |
||
667 | fprintf(stdout, "SYNTAX: %s [-q] DATABASE \n", name); |
||
668 | fprintf(stdout, " \n"); |
||
669 | fprintf(stdout, " -q Do not print out any messages. \n"); |
||
670 | fprintf(stdout, " \n"); |
||
671 | fprintf(stdout, "DATABASE is a path to where the indexed results will be \n"); |
||
672 | fprintf(stdout, "stored for searching with the Hunt tool. \n"); |
||
673 | fprintf(stdout, " \n"); |
||
674 | fprintf(stdout, "(c) 2021 Wizardry and Steamworks, MIT. \n"); |
||
675 | } |
||
676 | |||
1 | office | 677 | /* |
678 | * |
||
679 | * Main entry point. |
||
680 | */ |
||
681 | int main(int argc, char **argv) { |
||
682 | int option; |
||
2 | office | 683 | char *dbFile; |
10 | office | 684 | struct stat dirStat; |
1 | office | 685 | |
686 | // Bind handler to SIGINT. |
||
687 | signal(SIGINT, SignalHandler); |
||
688 | |||
2 | office | 689 | dbFile = DEFAULT_DATABASE_FILE; |
690 | while((option = getopt(argc, argv, "hqd:")) != -1) { |
||
1 | office | 691 | switch(option) { |
2 | office | 692 | case 'd': |
693 | dbFile = optarg; |
||
694 | break; |
||
1 | office | 695 | case 'q': |
696 | verbose = FALSE; |
||
697 | break; |
||
698 | case 'h': |
||
11 | office | 699 | usage(argv[0]); |
2 | office | 700 | return 0; |
1 | office | 701 | case '?': |
702 | fprintf(stderr, "Invalid option %ct.\n", optopt); |
||
703 | return 1; |
||
704 | } |
||
705 | } |
||
706 | |||
10 | office | 707 | |
708 | if(optind >= argc) { |
||
11 | office | 709 | usage(argv[0]); |
1 | office | 710 | return 1; |
711 | } |
||
712 | |||
10 | office | 713 | stat(argv[optind], &dirStat); |
714 | if(!S_ISDIR(dirStat.st_mode)) { |
||
5 | office | 715 | fprintf(stderr, "Path '%s' is not a directory.\n", argv[optind]); |
1 | office | 716 | return 1; |
717 | } |
||
718 | |||
2 | office | 719 | if(verbose) { |
720 | fprintf(stdout, "Gathering to database file: %s\n", dbFile); |
||
721 | } |
||
722 | |||
1 | office | 723 | // Gather. |
2 | office | 724 | Gather(dbFile, argv[optind]); |
1 | office | 725 | |
726 | return 0; |
||
727 | } |