added D flag to matchurl and added an ifdef to cuturl

1 files changed, 11 insertions, 2 deletions

diff --git a/matchurl.c b/matchurl.c
index aeb4aa4..1b9b88b 100644
--- a/matchurl.c
+++ b/matchurl.c
@@ -11,7 +11,11 @@ int main(int argc,char *argv[]) {
  char *line=malloc(LINE_LENGTH);
  char copy[LINE_LENGTH];
  if(argc < 3) {
-  printf("usage: matchurl [s|u|k|d|P|p|q|f] [string]\n");
+  printf("usage: matchurl [-][s|u|k|d|D|P|p|q|f] [string]\n");
+  printf("scheme://username:password@domain:port/path?query_string#fragment_id\n");
+  printf("s://u:k@d:P/p?q#f\n");
+  printf("The D flag is special. it matches its argument against the last bytes of the input url's domain.\n");
+  printf("This allows matching of subdomains, like `echo epoch.ano | matchurl -D ano` would match.\n");
   return 1;
  }
  while(fgets(line,LINE_LENGTH-1,stdin)) {
@@ -21,21 +25,26 @@ int main(int argc,char *argv[]) {
   urlfromline(&u,line);
   //use the character in argv[1] to match stdin against argv[2]. if match print whole line.
   for(i=1;i<argc;i+=2) {
+   if(argv[i][0] == '-') argv[i]++;
    switch(argv[i][0]) {
     case 's': if(u.scheme       && !strcmp(u.scheme,argv[i+1]))       printf("%s\n",copy);
     case 'u': if(u.username     && !strcmp(u.username,argv[i+1]))     printf("%s\n",copy);
     case 'k': if(u.password     && !strcmp(u.password,argv[i+1]))     printf("%s\n",copy);
     case 'd': if(u.domain       && !strcmp(u.domain,argv[i+1]))       printf("%s\n",copy);
+    case 'D':
+     if(u.domain && strlen(u.domain) >= strlen(argv[i+1]) && !strncmp(u.domain+strlen(u.domain)-strlen(argv[i+1]),argv[i+1],strlen(argv[i+1]))) 
+      printf("%s\n",copy);
     case 'P': if(u.port         && !strcmp(u.port,argv[i+1]))         printf("%s\n",copy);
     case 'p': if(u.path         && !strcmp(u.path,argv[i+1]))         printf("%s\n",copy);
     case 'q': if(u.query_string && !strcmp(u.query_string,argv[i+1])) printf("%s\n",copy);
     case 'f': if(u.fragment_id  && !strcmp(u.fragment_id,argv[i+1]))  printf("%s\n",copy);
      break;
     default:
-     printf("unknown url part letter! %c\n",argv[i][0]);
+     printf("unknown url part letter! '%c'\n",argv[i][0]);
      return 0;
    }
   }
  }
  return 0;
 }
+