Sat, 02 Jul 2011 17:43:20 +0200
fixed pointer fail
universe@3 | 1 | #include "cline.h" |
universe@3 | 2 | #include "functions.h" |
universe@1 | 3 | |
universe@6 | 4 | suffix_list_t* new_suffix_list_t() { |
universe@9 | 5 | suffix_list_t* suffixList = malloc(sizeof(suffix_list_t)); |
universe@6 | 6 | suffixList->count = 0; |
universe@6 | 7 | suffixList->items = NULL; |
universe@6 | 8 | |
universe@9 | 9 | return suffixList; |
universe@6 | 10 | } |
universe@6 | 11 | |
universe@6 | 12 | void add_suffix(suffix_list_t* list, char* item) { |
universe@6 | 13 | char** reallocated_list = |
universe@9 | 14 | realloc(list->items, sizeof(char*) * list->count + 1); |
universe@6 | 15 | if (reallocated_list != NULL) { |
universe@6 | 16 | list->items = reallocated_list; |
universe@6 | 17 | list->items[list->count] = item; |
universe@6 | 18 | list->count++; |
universe@6 | 19 | } |
universe@6 | 20 | } |
universe@6 | 21 | |
universe@3 | 22 | settings_t* new_settings_t() { |
universe@9 | 23 | settings_t *settings = malloc(sizeof(settings_t)); |
universe@5 | 24 | if (settings != NULL) { |
universe@5 | 25 | #ifdef _WIN32 |
universe@5 | 26 | settings->fileSeparator = '\\'; |
universe@5 | 27 | #else |
universe@5 | 28 | settings->fileSeparator = '/'; |
universe@5 | 29 | #endif /* _WIN32 */ |
universe@5 | 30 | settings->recursive = false; |
universe@5 | 31 | settings->includeSuffixes = false; |
universe@5 | 32 | settings->matchesOnly = false; |
universe@6 | 33 | settings->suffixList = new_suffix_list_t(); |
universe@5 | 34 | } |
universe@4 | 35 | |
universe@4 | 36 | return settings; |
universe@4 | 37 | } |
universe@4 | 38 | |
universe@4 | 39 | void destroy_settings_t(settings_t* settings) { |
universe@9 | 40 | free(settings->suffixList); |
universe@4 | 41 | free(settings); |
universe@0 | 42 | } |
universe@0 | 43 | |
universe@1 | 44 | void printHelpText(const char* prgName) { |
universe@0 | 45 | // Help text |
universe@0 | 46 | const char* helpText = |
universe@1 | 47 | "\nUsage:" |
universe@1 | 48 | "\n %s [-hrm][-s suffix][<directory>]" |
universe@1 | 49 | "\n %s [-hrm][-S suffix][<directory>]" |
universe@0 | 50 | "\n\nCounts the line terminator characters (\\n) within all" |
universe@0 | 51 | " files in the specified\ndirectory." |
universe@0 | 52 | "\n\nOptions:" |
universe@0 | 53 | "\n -h, --help - this help text" |
universe@1 | 54 | "\n -m - print information about matching files only" |
universe@1 | 55 | "\n -s <suffixes> - only count files with these suffixes (separated" |
universe@0 | 56 | "\n by commas)" |
universe@1 | 57 | "\n -S <suffixes> - count any file except those with these suffixes" |
universe@0 | 58 | "\n (separated by commas)" |
universe@1 | 59 | "\n -r, -R - includes subdirectories" |
universe@0 | 60 | "\n\n" |
universe@1 | 61 | "The default call without any options is:" |
universe@1 | 62 | "\n %s ./\n" |
universe@7 | 63 | "So each file in the working directory is counted. If you want to count C" |
universe@7 | 64 | "\nsource code in your working directory and its subdirectories, type:" |
universe@1 | 65 | "\n %s -rs .c\n"; |
universe@1 | 66 | |
universe@3 | 67 | printf(helpText, prgName, prgName, prgName, prgName); |
universe@1 | 68 | } |
universe@1 | 69 | |
universe@8 | 70 | int exit_with_help(char* prgName, settings_t* settings, int code) { |
universe@8 | 71 | printHelpText(prgName); |
universe@8 | 72 | destroy_settings_t(settings); |
universe@8 | 73 | return code; |
universe@8 | 74 | } |
universe@8 | 75 | |
universe@1 | 76 | int main(int argc, char** argv) { |
universe@0 | 77 | |
universe@3 | 78 | // Settings |
universe@3 | 79 | settings_t *settings = new_settings_t(); |
universe@5 | 80 | if (settings == NULL) { |
universe@5 | 81 | fprintf(stderr, "Memory allocation failed.\n"); |
universe@5 | 82 | return 1; |
universe@5 | 83 | } |
universe@3 | 84 | |
universe@0 | 85 | // Program name |
universe@3 | 86 | char* prgName = strrchr(argv[0], settings->fileSeparator); |
universe@1 | 87 | |
universe@1 | 88 | if (prgName == NULL) { |
universe@0 | 89 | prgName = argv[0]; |
universe@3 | 90 | } else { |
universe@0 | 91 | prgName++; |
universe@0 | 92 | } |
universe@0 | 93 | |
universe@0 | 94 | // Get arguments |
universe@7 | 95 | char* directory = "./"; |
universe@7 | 96 | char* suffix = " "; |
universe@0 | 97 | bool showHelp = false; |
universe@8 | 98 | int checked = 0; |
universe@0 | 99 | |
universe@1 | 100 | for (int t = 1 ; t < argc ; t++) { |
universe@1 | 101 | |
universe@1 | 102 | int argflags = checkArgument(argv[t], "hsSrRm"); |
universe@1 | 103 | |
universe@1 | 104 | // s |
universe@1 | 105 | if ((argflags & 2) > 0) { |
universe@8 | 106 | if (registerArgument(&checked, 6)) { |
universe@8 | 107 | return exit_with_help(prgName, settings, 1); |
universe@0 | 108 | } |
universe@3 | 109 | settings->includeSuffixes = true; |
universe@1 | 110 | t++; |
universe@1 | 111 | if (t >= argc) { |
universe@8 | 112 | return exit_with_help(prgName, settings, 1); |
universe@1 | 113 | } |
universe@1 | 114 | suffix = argv[t]; |
universe@0 | 115 | } |
universe@1 | 116 | // S |
universe@1 | 117 | if ((argflags & 4) > 0) { |
universe@8 | 118 | if (registerArgument(&checked, 6)) { |
universe@8 | 119 | return exit_with_help(prgName, settings, 1); |
universe@0 | 120 | } |
universe@3 | 121 | settings->includeSuffixes = false; |
universe@1 | 122 | t++; |
universe@1 | 123 | if (t >= argc) { |
universe@8 | 124 | return exit_with_help(prgName, settings, 1); |
universe@1 | 125 | } |
universe@1 | 126 | suffix = argv[t]; |
universe@0 | 127 | } |
universe@1 | 128 | // h |
universe@1 | 129 | if ((argflags & 1) > 0 || strcmp(argv[t], "--help") == 0) { |
universe@8 | 130 | if (registerArgument(&checked, 1)) { |
universe@8 | 131 | return exit_with_help(prgName, settings, 1); |
universe@0 | 132 | } |
universe@0 | 133 | showHelp = true; |
universe@0 | 134 | } |
universe@1 | 135 | // r, R |
universe@1 | 136 | if ((argflags & 24) > 0) { |
universe@8 | 137 | if (registerArgument(&checked, 24)) { |
universe@8 | 138 | return exit_with_help(prgName, settings, 1); |
universe@0 | 139 | } |
universe@3 | 140 | settings->recursive = true; |
universe@0 | 141 | } |
universe@8 | 142 | // m |
universe@1 | 143 | if ((argflags & 32) > 0) { |
universe@8 | 144 | if (registerArgument(&checked, 32)) { |
universe@8 | 145 | return exit_with_help(prgName, settings, 1); |
universe@0 | 146 | } |
universe@3 | 147 | settings->matchesOnly = true; |
universe@0 | 148 | } |
universe@6 | 149 | // Path |
universe@1 | 150 | if (argflags == 0) { |
universe@8 | 151 | if (registerArgument(&checked, 1024)) { |
universe@8 | 152 | return exit_with_help(prgName, settings, 1); |
universe@0 | 153 | } |
universe@0 | 154 | directory = argv[t]; |
universe@0 | 155 | } |
universe@0 | 156 | } |
universe@0 | 157 | |
universe@0 | 158 | // Show help and quit |
universe@1 | 159 | if (showHelp) { |
universe@8 | 160 | return exit_with_help(prgName, settings, 0); |
universe@0 | 161 | } |
universe@0 | 162 | |
universe@0 | 163 | // Find tokens |
universe@6 | 164 | char* finder = strtok(suffix, ","); |
universe@1 | 165 | while (finder != NULL) { |
universe@6 | 166 | add_suffix(settings->suffixList, finder); |
universe@0 | 167 | finder = strtok(NULL, ","); |
universe@0 | 168 | } |
universe@0 | 169 | |
universe@0 | 170 | // Open directory |
universe@0 | 171 | DIR *dir = opendir(directory); |
universe@1 | 172 | if (dir == NULL) { |
universe@0 | 173 | perror("Operation failed"); |
universe@4 | 174 | destroy_settings_t(settings); |
universe@0 | 175 | return 1; |
universe@0 | 176 | } |
universe@0 | 177 | |
universe@0 | 178 | // Scan directory |
universe@3 | 179 | int lines = scanDirectory(dir, 0, directory, settings); |
universe@4 | 180 | closedir(dir); |
universe@7 | 181 | destroy_settings_t(settings); |
universe@0 | 182 | |
universe@0 | 183 | // Print double line and line count |
universe@1 | 184 | #ifdef _WIN32 |
universe@3 | 185 | const int columns = 79; |
universe@1 | 186 | #else |
universe@3 | 187 | const int columns = 80; |
universe@1 | 188 | #endif /* _WIN32 */ |
universe@1 | 189 | |
universe@1 | 190 | for (int t = 0 ; t < columns ; t++) { |
universe@0 | 191 | printf("="); |
universe@0 | 192 | } |
universe@1 | 193 | #ifdef _WIN32 |
universe@3 | 194 | printf("\n%73d lines\n", lines); |
universe@1 | 195 | #else |
universe@3 | 196 | printf("\n%74d lines\n", lines); |
universe@1 | 197 | #endif /* _WIN32 */ |
universe@0 | 198 | |
universe@0 | 199 | return 0; |
universe@0 | 200 | } |