add list_exists fucntion

3 files changed, 19 insertions, 4 deletions

diff --git a/src/actionparser.c b/src/actionparser.c
index 266f771..25c7c19 100644
--- a/src/actionparser.c
+++ b/src/actionparser.c
@@ -389,10 +389,10 @@ int parse_action(int argc, char* argv[], UserOpt *opt) {
 
   /* If the remaining arguments are < 2
    * print help and exit */
-  if (optNum - pos < 2) {
-    print_parser_help();
-    return -1;
-  }
+  /* if (optNum - pos < 2) { */
+  /*   print_parser_help(); */
+  /*   return -1; */
+  /* } */
 
   /* find the action */
   determine_action(opt);
diff --git a/src/cklist.c b/src/cklist.c
index 14d5d82..e142feb 100644
--- a/src/cklist.c
+++ b/src/cklist.c
@@ -186,6 +186,18 @@ void list_print_concat(cklist *ckl) {
   }
 }
 
+int list_exists(cklist *ckl, char *str) {
+  if (ckl->size > 0) {
+    list_rewind(ckl);
+    do {
+      if (strcmp(list_get(ckl), str) == 0) {
+        return 1;
+      }
+    } while (list_next(ckl));
+  }
+  return 0;
+}
+
 int list_size(cklist *ckl) {
   return ckl->size;
 }
diff --git a/src/cklist.h b/src/cklist.h
index 346e55f..95fd088 100644
--- a/src/cklist.h
+++ b/src/cklist.h
@@ -48,6 +48,9 @@ extern cklist* list_copy_until(cklist *ckl, int index);
  * copy from (>=) until (<) */
 extern cklist* list_copy_part(cklist *ckl, int from, int until);
 
+/* return 1 if str exists in the list, 0 otherwise */
+extern int list_exists(cklist *ckl, char *str);
+
 /* rewinds */
 extern void list_print_lisp(cklist *ckl);
 extern void list_print_python(cklist *ckl);