1 files changed, 9 insertions, 3 deletions
diff --git a/dynstr.c b/dynstr.c
index ef5a251..339cf47 100644
--- a/dynstr.c
+++ b/dynstr.c
@@ -209,7 +209,13 @@ Dynstr *dynstr_substr(Dynstr *dynstr, size_t offset, size_t size)
 }
 
 
-Dynstr *dynstr_cat(Dynstr *dynstr, ...)
+Dynstr *dynstr_cat(Dynstr *dynstr1, Dynstr *dynstr2)
+{
+    return dynstr_cat_many(dynstr1, dynstr2, (Dynstr *) NULL);
+}
+
+
+Dynstr *dynstr_cat_many(Dynstr *dynstr, ...)
 {
     va_list args;
     Dynstr *result;
@@ -446,7 +452,7 @@ static Dynstr *readline_helper(int (*callback)(FILE *, int), FILE *f, int fd)
             temp1 = dynstr_new_from_constant_memory(buf, buflen);
             if (temp1 == NULL)
                 goto error;
-            temp2 = dynstr_cat(line, temp1, (void *) NULL);
+            temp2 = dynstr_cat(line, temp1);
             if (temp2 == NULL)
                 goto error;
             dynstr_free(temp1);
@@ -463,7 +469,7 @@ static Dynstr *readline_helper(int (*callback)(FILE *, int), FILE *f, int fd)
         temp1 = dynstr_new_from_constant_memory(buf, buflen);
         if (temp1 == NULL)
             goto error;
-        temp2 = dynstr_cat(line, temp1, (void *) NULL);
+        temp2 = dynstr_cat(line, temp1);
         if (temp2 == NULL)
             goto error;
         dynstr_free(temp1);