1 files changed, 8 insertions, 15 deletions
diff --git a/prism/util/pm_string_list.c b/prism/util/pm_string_list.c
index fa7f20619f..d49e4ed734 100644
--- a/prism/util/pm_string_list.c
+++ b/prism/util/pm_string_list.c
@@ -1,26 +1,19 @@
 #include "prism/util/pm_string_list.h"
 
 /**
- * Initialize a pm_string_list_t with its default values.
- */
-void
-pm_string_list_init(pm_string_list_t *string_list) {
-    string_list->length = 0;
-    string_list->capacity = 1;
-    string_list->strings = (pm_string_t *) malloc(sizeof(pm_string_t));
-}
-
-/**
  * Append a pm_string_t to the given string list.
  */
 void
 pm_string_list_append(pm_string_list_t *string_list, pm_string_t *string) {
     if (string_list->length + 1 > string_list->capacity) {
-        pm_string_t *original_string = string_list->strings;
-        string_list->capacity *= 2;
-        string_list->strings = (pm_string_t *) malloc(string_list->capacity * sizeof(pm_string_t));
-        memcpy(string_list->strings, original_string, (string_list->length) * sizeof(pm_string_t));
-        free(original_string);
+        if (string_list->capacity == 0) {
+            string_list->capacity = 1;
+        } else {
+            string_list->capacity *= 2;
+        }
+
+        string_list->strings = realloc(string_list->strings, string_list->capacity * sizeof(pm_string_t));
+        if (string_list->strings == NULL) abort();
     }
 
     string_list->strings[string_list->length++] = *string;