1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/cline.c Mon May 23 16:42:44 2011 +0200
1.3 @@ -0,0 +1,285 @@
1.4 +#include <stdio.h>
1.5 +#include <string.h>
1.6 +#include <stdbool.h>
1.7 +#include <stdlib.h>
1.8 +#include <dirent.h>
1.9 +
1.10 +static int suffixc;
1.11 +static char** suffixv;
1.12 +static bool recursive;
1.13 +static bool includeSuffixes;
1.14 +
1.15 +bool testSuffix(char* filename)
1.16 +{
1.17 + bool ret = false;
1.18 + int tokenlen, fnamelen = strlen(filename);
1.19 + for (int t = 0 ; t < suffixc ; t++)
1.20 + {
1.21 + tokenlen = strlen(suffixv[t]);
1.22 + if (fnamelen >= tokenlen)
1.23 + {
1.24 + if (strncmp(filename+fnamelen-tokenlen, suffixv[t], tokenlen) == 0)
1.25 + {
1.26 + ret = true;
1.27 + break;
1.28 + }
1.29 + }
1.30 + }
1.31 + return ret ^ !includeSuffixes;
1.32 +}
1.33 +
1.34 +int scanDirectory(DIR *dir, const int spaces, char* currdir)
1.35 +{
1.36 + DIR *subdir;
1.37 + char* subdirname;
1.38 + struct dirent *entry;
1.39 + int lines, digits, a;
1.40 + int lineSum = 0;
1.41 +
1.42 + while ((entry = readdir(dir)) != NULL)
1.43 + {
1.44 + if (strcmp(entry->d_name, ".") != 0 && strcmp(entry->d_name, "..") != 0)
1.45 + {
1.46 + // Print occurence
1.47 + char entryname[strlen(entry->d_name)+spaces];
1.48 + for (int t = 0 ; t < spaces ; t++)
1.49 + {
1.50 + entryname[t]=' ';
1.51 + }
1.52 + entryname[spaces] = 0;
1.53 + strcat(entryname, entry->d_name);
1.54 + printf("%-60s", entryname);
1.55 +
1.56 + // Check for subdirectory
1.57 + char subdirname[(1+strlen(currdir)+strlen(entry->d_name))];
1.58 + strcpy(subdirname, currdir);
1.59 + strcat(subdirname, "/");
1.60 + strcat(subdirname, entry->d_name);
1.61 + if ((subdir = opendir(subdirname)) != NULL)
1.62 + {
1.63 + printf("\n");
1.64 + if (recursive)
1.65 + {
1.66 + lineSum += scanDirectory(subdir, spaces+1, subdirname);
1.67 + }
1.68 + closedir(subdir);
1.69 + continue;
1.70 + }
1.71 +
1.72 + // Count lines
1.73 + lines = 0;
1.74 + char filename[(1+strlen(currdir)+strlen(entry->d_name))];
1.75 + strcpy(filename, currdir);
1.76 + strcat(filename, "/");
1.77 + strcat(filename, entry->d_name);
1.78 + if (testSuffix(filename))
1.79 + {
1.80 + FILE *file = fopen(filename, "r");
1.81 + if (file == NULL)
1.82 + {
1.83 + perror(" File acces failed");
1.84 + continue;
1.85 + }
1.86 +
1.87 + do
1.88 + {
1.89 + a = fgetc(file);
1.90 +
1.91 + if (a == 10)
1.92 + {
1.93 + lines++;
1.94 + }
1.95 + } while (a != EOF);
1.96 + fclose(file);
1.97 +
1.98 + // Print line count
1.99 + printf("%14d lines\n", lines);
1.100 +
1.101 + lineSum += lines;
1.102 + }
1.103 + else
1.104 + {
1.105 + // Print hint
1.106 + printf("%20s\n", "no match");
1.107 + }
1.108 + }
1.109 + }
1.110 + return lineSum;
1.111 +}
1.112 +
1.113 +int main(int argc, char** argv)
1.114 +{
1.115 + // Help text
1.116 + const char* helpText =
1.117 + "\nUsage:\n%s [-h|--help|(-s=<suffix>|-S=<suffix>)|(-r|-R)|<directory>]"
1.118 + "\n\nCounts the line terminator characters (\\n) within all"
1.119 + " files in the specified\ndirectory."
1.120 + "\n\nOptions:"
1.121 + "\n -h, --help - this help text"
1.122 + "\n -s=<suffixes> - only count files with these suffixes (separated"
1.123 + "\n by commas)"
1.124 + "\n -S=<suffixes> - count any file except those with these suffixes"
1.125 + "\n (separated by commas)"
1.126 + "\n -R - excludes subdirectories"
1.127 + "\n -r - includes subdirecotires"
1.128 + "\n\n"
1.129 + "The default call without any options is:"
1.130 + "\n %s -r ./ -S=\n"
1.131 + "That means each file in each subdirectory is counted. If you want to count"
1.132 + "\nC source code in your working directory and its subdirectories, type:"
1.133 + "\n %s -s=.c\n";
1.134 +
1.135 + // Program name
1.136 + char* prgName = strrchr(argv[0], '/');
1.137 + if (prgName == NULL)
1.138 + {
1.139 + prgName = argv[0];
1.140 + }
1.141 + else
1.142 + {
1.143 + prgName++;
1.144 + }
1.145 +
1.146 + // Defaults
1.147 + char* _suffix = "";
1.148 + char* _directory = "./";
1.149 +
1.150 + // Get arguments
1.151 + char* directory;
1.152 + char* suffix;
1.153 + bool showHelp = false;
1.154 + recursive = true;
1.155 + includeSuffixes = false;
1.156 + char checked = 0;
1.157 +
1.158 + for (int t = 1 ; t < argc ; t++)
1.159 + {
1.160 + if (strncmp(argv[t], "-s=", 3) == 0)
1.161 + {
1.162 + if ((checked & 1) > 0)
1.163 + {
1.164 + printf(helpText, prgName, prgName, prgName);
1.165 + return -1;
1.166 + }
1.167 + includeSuffixes = true;
1.168 + suffix = argv[t]+3;
1.169 + checked |= 1;
1.170 + }
1.171 + else if (strncmp(argv[t], "-S=", 3) == 0)
1.172 + {
1.173 + if ((checked & 1) > 0)
1.174 + {
1.175 + printf(helpText, prgName, prgName, prgName);
1.176 + return -1;
1.177 + }
1.178 + includeSuffixes = false;
1.179 + suffix = argv[t]+3;
1.180 + checked |= 1;
1.181 + }
1.182 + else if (strcmp(argv[t], "-h") == 0 || strcmp(argv[t], "--help") == 0)
1.183 + {
1.184 + if ((checked & 2) > 0)
1.185 + {
1.186 + printf(helpText, prgName, prgName, prgName);
1.187 + return -1;
1.188 + }
1.189 + checked |= 2;
1.190 + showHelp = true;
1.191 + }
1.192 + else if (strcmp(argv[t], "-r") == 0)
1.193 + {
1.194 + if ((checked & 4) > 0)
1.195 + {
1.196 + printf(helpText, prgName, prgName, prgName);
1.197 + return -1;
1.198 + }
1.199 + checked |= 4;
1.200 + recursive = true;
1.201 + }
1.202 + else if (strcmp(argv[t], "-R") == 0)
1.203 + {
1.204 + if ((checked & 4) > 0)
1.205 + {
1.206 + printf(helpText, prgName, prgName, prgName);
1.207 + return -1;
1.208 + }
1.209 + checked |= 4;
1.210 + recursive = false;
1.211 + }
1.212 + else
1.213 + {
1.214 + if ((checked & 8) > 0)
1.215 + {
1.216 + printf(helpText, prgName, prgName, prgName);
1.217 + return -1;
1.218 + }
1.219 + checked |= 8;
1.220 + directory = argv[t];
1.221 + }
1.222 + }
1.223 +
1.224 + // Show help and quit
1.225 + if (showHelp)
1.226 + {
1.227 + printf(helpText, prgName, prgName, prgName);
1.228 + return 0;
1.229 + }
1.230 +
1.231 + // Default values
1.232 + if ((checked & 1) == 0)
1.233 + {
1.234 + suffix = _suffix;
1.235 + }
1.236 +
1.237 + if ((checked & 8) == 0)
1.238 + {
1.239 + directory = _directory;
1.240 + }
1.241 +
1.242 + // Find tokens
1.243 + char* finder;
1.244 + suffixc = 1;
1.245 + finder = strchr(suffix, ',');
1.246 + while (finder != NULL)
1.247 + {
1.248 + suffixc++;
1.249 + finder = strchr(finder+1, ',');
1.250 + }
1.251 + suffixv = (char**) malloc(sizeof(suffixv)*suffixc);
1.252 + if (suffixv == NULL)
1.253 + {
1.254 + fprintf(stderr, "Memory allocation failed.\n");
1.255 + return 1;
1.256 + }
1.257 + finder = strtok(suffix, ",");
1.258 + int c = 0;
1.259 + while (finder != NULL)
1.260 + {
1.261 + suffixv[c] = finder;
1.262 + c++;
1.263 + finder = strtok(NULL, ",");
1.264 + }
1.265 +
1.266 + // Open directory
1.267 + DIR *dir = opendir(directory);
1.268 + if (dir == NULL)
1.269 + {
1.270 + perror("Operation failed");
1.271 + free(suffixv);
1.272 + return 1;
1.273 + }
1.274 +
1.275 + // Scan directory
1.276 + int lines = scanDirectory(dir, 0, directory);
1.277 +
1.278 + // Print double line and line count
1.279 + for (int t = 0 ; t < 80 ; t++)
1.280 + {
1.281 + printf("=");
1.282 + }
1.283 + printf("\n%74d lines\n", lines);
1.284 +
1.285 + closedir(dir);
1.286 + free(suffixv);
1.287 + return 0;
1.288 +}
