Fri, 27 May 2011 13:20:15 +0200
Fixed memory leak when exiting the programm ahead of time
universe@3 | 1 | #include "cline.h" |
universe@3 | 2 | #include "functions.h" |
universe@1 | 3 | |
universe@3 | 4 | settings_t* new_settings_t() { |
universe@3 | 5 | settings_t *settings = malloc(sizeof(settings_t*)); |
universe@5 | 6 | if (settings != NULL) { |
universe@5 | 7 | #ifdef _WIN32 |
universe@5 | 8 | settings->fileSeparator = '\\'; |
universe@5 | 9 | #else |
universe@5 | 10 | settings->fileSeparator = '/'; |
universe@5 | 11 | #endif /* _WIN32 */ |
universe@5 | 12 | settings->suffixc = 1; |
universe@5 | 13 | settings->recursive = false; |
universe@5 | 14 | settings->includeSuffixes = false; |
universe@5 | 15 | settings->matchesOnly = false; |
universe@5 | 16 | } |
universe@4 | 17 | |
universe@4 | 18 | return settings; |
universe@4 | 19 | } |
universe@4 | 20 | |
universe@4 | 21 | void destroy_settings_t(settings_t* settings) { |
universe@4 | 22 | if (settings->suffixv != NULL) { |
universe@4 | 23 | free(settings->suffixv); |
universe@4 | 24 | } |
universe@4 | 25 | free(settings); |
universe@0 | 26 | } |
universe@0 | 27 | |
universe@1 | 28 | void printHelpText(const char* prgName) { |
universe@0 | 29 | // Help text |
universe@0 | 30 | const char* helpText = |
universe@1 | 31 | "\nUsage:" |
universe@1 | 32 | "\n %s [-hrm][-s suffix][<directory>]" |
universe@1 | 33 | "\n %s [-hrm][-S suffix][<directory>]" |
universe@0 | 34 | "\n\nCounts the line terminator characters (\\n) within all" |
universe@0 | 35 | " files in the specified\ndirectory." |
universe@0 | 36 | "\n\nOptions:" |
universe@0 | 37 | "\n -h, --help - this help text" |
universe@1 | 38 | "\n -m - print information about matching files only" |
universe@1 | 39 | "\n -s <suffixes> - only count files with these suffixes (separated" |
universe@0 | 40 | "\n by commas)" |
universe@1 | 41 | "\n -S <suffixes> - count any file except those with these suffixes" |
universe@0 | 42 | "\n (separated by commas)" |
universe@1 | 43 | "\n -r, -R - includes subdirectories" |
universe@0 | 44 | "\n\n" |
universe@1 | 45 | "The default call without any options is:" |
universe@1 | 46 | "\n %s ./\n" |
universe@0 | 47 | "That means each file in each subdirectory is counted. If you want to count" |
universe@0 | 48 | "\nC source code in your working directory and its subdirectories, type:" |
universe@1 | 49 | "\n %s -rs .c\n"; |
universe@1 | 50 | |
universe@3 | 51 | printf(helpText, prgName, prgName, prgName, prgName); |
universe@1 | 52 | } |
universe@1 | 53 | |
universe@1 | 54 | int main(int argc, char** argv) { |
universe@0 | 55 | |
universe@3 | 56 | // Settings |
universe@3 | 57 | settings_t *settings = new_settings_t(); |
universe@5 | 58 | if (settings == NULL) { |
universe@5 | 59 | fprintf(stderr, "Memory allocation failed.\n"); |
universe@5 | 60 | return 1; |
universe@5 | 61 | } |
universe@3 | 62 | |
universe@0 | 63 | // Program name |
universe@3 | 64 | char* prgName = strrchr(argv[0], settings->fileSeparator); |
universe@1 | 65 | |
universe@1 | 66 | if (prgName == NULL) { |
universe@0 | 67 | prgName = argv[0]; |
universe@3 | 68 | } else { |
universe@0 | 69 | prgName++; |
universe@0 | 70 | } |
universe@0 | 71 | |
universe@0 | 72 | // Defaults |
universe@1 | 73 | char* _suffix = " "; |
universe@1 | 74 | char _directory[3]; |
universe@1 | 75 | _directory[0] = '.'; |
universe@3 | 76 | _directory[1] = settings->fileSeparator; |
universe@1 | 77 | _directory[2] = 0; |
universe@0 | 78 | |
universe@0 | 79 | // Get arguments |
universe@0 | 80 | char* directory; |
universe@0 | 81 | char* suffix; |
universe@0 | 82 | bool showHelp = false; |
universe@0 | 83 | char checked = 0; |
universe@0 | 84 | |
universe@1 | 85 | for (int t = 1 ; t < argc ; t++) { |
universe@1 | 86 | |
universe@1 | 87 | int argflags = checkArgument(argv[t], "hsSrRm"); |
universe@1 | 88 | |
universe@1 | 89 | // s |
universe@1 | 90 | if ((argflags & 2) > 0) { |
universe@1 | 91 | if ((checked & 1) > 0) { |
universe@1 | 92 | printHelpText(prgName); |
universe@5 | 93 | destroy_settings_t(settings); |
universe@5 | 94 | return 1; |
universe@0 | 95 | } |
universe@3 | 96 | settings->includeSuffixes = true; |
universe@1 | 97 | t++; |
universe@1 | 98 | if (t >= argc) { |
universe@1 | 99 | printHelpText(prgName); |
universe@5 | 100 | destroy_settings_t(settings); |
universe@5 | 101 | return 1; |
universe@1 | 102 | } |
universe@1 | 103 | suffix = argv[t]; |
universe@0 | 104 | checked |= 1; |
universe@0 | 105 | } |
universe@1 | 106 | // S |
universe@1 | 107 | if ((argflags & 4) > 0) { |
universe@1 | 108 | if ((checked & 1) > 0) { |
universe@1 | 109 | printHelpText(prgName); |
universe@5 | 110 | destroy_settings_t(settings); |
universe@5 | 111 | return 1; |
universe@0 | 112 | } |
universe@3 | 113 | settings->includeSuffixes = false; |
universe@1 | 114 | t++; |
universe@1 | 115 | if (t >= argc) { |
universe@1 | 116 | printHelpText(prgName); |
universe@5 | 117 | destroy_settings_t(settings); |
universe@5 | 118 | return 1; |
universe@1 | 119 | } |
universe@1 | 120 | suffix = argv[t]; |
universe@0 | 121 | checked |= 1; |
universe@0 | 122 | } |
universe@1 | 123 | // h |
universe@1 | 124 | if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) { |
universe@1 | 125 | if ((checked & 2) > 0) { |
universe@1 | 126 | printHelpText(prgName); |
universe@5 | 127 | destroy_settings_t(settings); |
universe@5 | 128 | return 1; |
universe@0 | 129 | } |
universe@0 | 130 | checked |= 2; |
universe@0 | 131 | showHelp = true; |
universe@0 | 132 | } |
universe@1 | 133 | // r, R |
universe@1 | 134 | if ((argflags & 24) > 0) { |
universe@1 | 135 | if ((checked & 4) > 0) { |
universe@1 | 136 | printHelpText(prgName); |
universe@5 | 137 | destroy_settings_t(settings); |
universe@5 | 138 | return 1; |
universe@0 | 139 | } |
universe@0 | 140 | checked |= 4; |
universe@3 | 141 | settings->recursive = true; |
universe@0 | 142 | } |
universe@1 | 143 | if ((argflags & 32) > 0) { |
universe@1 | 144 | if ((checked & 32) > 0) { |
universe@1 | 145 | printHelpText(prgName); |
universe@5 | 146 | destroy_settings_t(settings); |
universe@5 | 147 | return 1; |
universe@0 | 148 | } |
universe@1 | 149 | checked |= 32; |
universe@3 | 150 | settings->matchesOnly = true; |
universe@0 | 151 | } |
universe@1 | 152 | // other |
universe@1 | 153 | if (argflags == 0) { |
universe@1 | 154 | if ((checked & 8) > 0) { |
universe@1 | 155 | printHelpText(prgName); |
universe@5 | 156 | destroy_settings_t(settings); |
universe@5 | 157 | return 1; |
universe@0 | 158 | } |
universe@1 | 159 | checked |= 8; |
universe@0 | 160 | directory = argv[t]; |
universe@0 | 161 | } |
universe@0 | 162 | } |
universe@0 | 163 | |
universe@0 | 164 | // Show help and quit |
universe@1 | 165 | if (showHelp) { |
universe@1 | 166 | printHelpText(prgName); |
universe@5 | 167 | destroy_settings_t(settings); |
universe@0 | 168 | return 0; |
universe@0 | 169 | } |
universe@0 | 170 | |
universe@0 | 171 | // Default values |
universe@1 | 172 | if ((checked & 1) == 0) { |
universe@0 | 173 | suffix = _suffix; |
universe@0 | 174 | } |
universe@0 | 175 | |
universe@1 | 176 | if ((checked & 8) == 0) { |
universe@0 | 177 | directory = _directory; |
universe@0 | 178 | } |
universe@0 | 179 | |
universe@0 | 180 | // Find tokens |
universe@0 | 181 | char* finder; |
universe@0 | 182 | finder = strchr(suffix, ','); |
universe@1 | 183 | while (finder != NULL) { |
universe@3 | 184 | settings->suffixc++; |
universe@0 | 185 | finder = strchr(finder+1, ','); |
universe@0 | 186 | } |
universe@3 | 187 | settings->suffixv = (char**) malloc(sizeof(char**)*settings->suffixc); |
universe@3 | 188 | if (settings->suffixv == NULL) { |
universe@0 | 189 | fprintf(stderr, "Memory allocation failed.\n"); |
universe@5 | 190 | destroy_settings_t(settings); |
universe@0 | 191 | return 1; |
universe@0 | 192 | } |
universe@0 | 193 | finder = strtok(suffix, ","); |
universe@0 | 194 | int c = 0; |
universe@1 | 195 | while (finder != NULL) { |
universe@3 | 196 | settings->suffixv[c] = finder; |
universe@0 | 197 | c++; |
universe@0 | 198 | finder = strtok(NULL, ","); |
universe@0 | 199 | } |
universe@0 | 200 | |
universe@0 | 201 | // Open directory |
universe@0 | 202 | DIR *dir = opendir(directory); |
universe@1 | 203 | if (dir == NULL) { |
universe@0 | 204 | perror("Operation failed"); |
universe@4 | 205 | destroy_settings_t(settings); |
universe@0 | 206 | return 1; |
universe@0 | 207 | } |
universe@0 | 208 | |
universe@0 | 209 | // Scan directory |
universe@3 | 210 | int lines = scanDirectory(dir, 0, directory, settings); |
universe@4 | 211 | closedir(dir); |
universe@0 | 212 | |
universe@0 | 213 | // Print double line and line count |
universe@1 | 214 | #ifdef _WIN32 |
universe@3 | 215 | const int columns = 79; |
universe@1 | 216 | #else |
universe@3 | 217 | const int columns = 80; |
universe@1 | 218 | #endif /* _WIN32 */ |
universe@1 | 219 | |
universe@1 | 220 | for (int t = 0 ; t < columns ; t++) { |
universe@0 | 221 | printf("="); |
universe@0 | 222 | } |
universe@1 | 223 | #ifdef _WIN32 |
universe@3 | 224 | printf("\n%73d lines\n", lines); |
universe@1 | 225 | #else |
universe@3 | 226 | printf("\n%74d lines\n", lines); |
universe@1 | 227 | #endif /* _WIN32 */ |
universe@0 | 228 | |
universe@4 | 229 | destroy_settings_t(settings); |
universe@0 | 230 | return 0; |
universe@0 | 231 | } |