diff --git a/src/alloc.c b/src/alloc.c
index 3651a2e..e3cd857 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -702,7 +702,7 @@
 }
 
     void
-ga_init2(garray_T *gap, int itemsize, int growsize)
+ga_init2(garray_T *gap, size_t itemsize, int growsize)
 {
     ga_init(gap);
     gap->ga_itemsize = itemsize;
@@ -789,7 +789,7 @@
  * When out of memory nothing changes and FAIL is returned.
  */
     int
-ga_add_string(garray_T *gap, char_u *p)
+ga_copy_string(garray_T *gap, char_u *p)
 {
     char_u *cp = vim_strsave(p);
 
@@ -806,6 +806,19 @@
 }
 
 /*
+ * Add string "p" to "gap".
+ * When out of memory "p" is freed and FAIL is returned.
+ */
+    int
+ga_add_string(garray_T *gap, char_u *p)
+{
+    if (ga_grow(gap, 1) == FAIL)
+	return FAIL;
+    ((char_u **)(gap->ga_data))[gap->ga_len++] = p;
+    return OK;
+}
+
+/*
  * Concatenate a string to a growarray which contains bytes.
  * When "s" is NULL does not do anything.
  * Note: Does NOT copy the NUL at the end!