Add -q option & fix bug with -u

1 files changed, 10 insertions, 5 deletions

diff --git a/fcomp.c b/fcomp.c
index a41c75d..c10fc2e 100644
--- a/fcomp.c
+++ b/fcomp.c
@@ -131,8 +131,10 @@ static void print_help(char *argv0)
 	    "~~~~~~~~~~~");
     fprintf(stderr, "%8s %4s  %15s %50s\n\n", "-h", "", "help",
 	    "Print this help message");
-    fprintf(stderr, "%8s %4s  %15s %50s\n", "query", "[..]", "",
+    fprintf(stderr, "%8s %4s  %15s %50s\n", "query", "", "",
 	    "The term to be matched agains the tokens");
+    fprintf(stderr, "%8s %4s  %15s %50s\n", "-q", "[..]", "query",
+	    "Same");
     fprintf(stderr, "%8s %4s  %15s %50s\n", "-f", "[..]", "file",
 	    "Select the input file to use");
     fprintf(stderr, "%8s %4s  %15s %50s\n", "stdin", "[..]", "",
@@ -223,7 +225,7 @@ static int parse_cli(int argc, char *argv[])
     if (argc < 2)
 	return -1;
     char c;
-    while ((c = getopt(argc, argv, "-hIF:xzsaudclrf:i:v:w:t:")) != -1) {
+    while ((c = getopt(argc, argv, "-hIxzsaudclrq:F:f:i:v:w:t:")) != -1) {
 	switch (c) {
 	case 'I':
 	    if (cfg.interactive) {
@@ -285,6 +287,7 @@ static int parse_cli(int argc, char *argv[])
 	    cfg.reverse_sort = 1;
 	    break;
 	case '\1':
+        case 'q':
 	    cfg.query = optarg;
 	    break;
 	case '?':
@@ -817,9 +820,11 @@ int main(int argc, char *argv[])
     }
 
     if (listp) {
-        get_uniq(listp, &count_res);
-        pc(&count_res);
-        cfree(&count_res);
+        if (listp->n != 0) {
+            get_uniq(listp, &count_res);
+            pc(&count_res);
+            cfree(&count_res);
+        }
 
         if (listp == &ref_list)
             free(ref_list.s);