1 files changed, 7 insertions, 13 deletions

diff --git a/src/cklist.c b/src/cklist.c
index 2fdfa07..f255556 100644
--- a/src/cklist.c
+++ b/src/cklist.c
@@ -50,19 +50,13 @@ int list_next(cklist *ckl) {
 }
 
 char* list_get(cklist *ckl) {
-  if (ckl->pos == -1) {
-    return NULL;
-  }
   if (ckl->pos >= ckl->size) {
     return NULL;
   }
   return ckl->arr[ckl->pos];
 }
 
-char* list_get_at(cklist *ckl, int pos) {
-  if (ckl->pos == -1) {
-    return NULL;
-  }
+char* list_get_at(cklist *ckl, unsigned int pos) {
   if (ckl->pos >= ckl->size
       || pos >= ckl->size) {
     return NULL;
@@ -94,7 +88,7 @@ cklist* list_move(cklist *ckl) {
   return _ckl;
 }
 
-cklist* list_copy_from(cklist *ckl, int index) {
+cklist* list_copy_from(cklist *ckl,unsigned int index) {
   list_rewind(ckl);
   cklist *_ckl = list_make_new();
   if (ckl->pos >= index) {
@@ -109,7 +103,7 @@ cklist* list_copy_from(cklist *ckl, int index) {
   return _ckl;
 }
 
-cklist* list_copy_until(cklist *ckl, int index) {
+cklist* list_copy_until(cklist *ckl,unsigned int index) {
   list_rewind(ckl);
   cklist *_ckl = list_make_and_add(list_get(ckl));
   while(list_next(ckl)) {
@@ -121,7 +115,7 @@ cklist* list_copy_until(cklist *ckl, int index) {
   return _ckl;
 }
 
-cklist* list_copy_part(cklist *ckl, int from, int until) {
+cklist* list_copy_part(cklist *ckl,unsigned int from,unsigned int until) {
   list_rewind(ckl);
   cklist *_ckl = list_make_new();
   if (ckl->pos >= from && ckl->pos < until) {
@@ -185,7 +179,7 @@ void list_print_concat(cklist *ckl) {
   }
 }
 
-int list_exists(cklist *ckl, char *str) {
+int list_exists(cklist *ckl, const char *str) {
   if (ckl->size > 0) {
     list_rewind(ckl);
     do {
@@ -197,12 +191,12 @@ int list_exists(cklist *ckl, char *str) {
   return 0;
 }
 
-int list_size(cklist *ckl) {
+unsigned int list_size(cklist *ckl) {
   return ckl->size;
 }
 
 void list_free(cklist *ckl) {
-  int i;
+  unsigned int i;
   for (i=0; i<ckl->size; i++) {
     free(ckl->arr[i]);
   }