X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flibpspp%2Ftemp-file.c;h=839b99e7572bb18a1cf634a4b54da0925155ee65;hb=d97c0f1ed2858c48173c023964cec8234b5bc831;hp=9d3c392659753043667af822b9bbfe7bd3e1b0f0;hpb=a70c4580757c19cd5054a470c2c5d497a1e71b4c;p=pspp

diff --git a/src/libpspp/temp-file.c b/src/libpspp/temp-file.c
index 9d3c392659..839b99e757 100644
--- a/src/libpspp/temp-file.c
+++ b/src/libpspp/temp-file.c
@@ -40,6 +40,7 @@
 
 */
 
+static void cleanup (void);
 
 static struct temp_dir *temp_dir;
 struct hmapx map;
@@ -51,6 +52,30 @@ setup (void)
   temp_dir = create_temp_dir ("pspp", NULL, true);
 }
 
+static void
+initialise (void)
+{
+  if (temp_dir == NULL)
+    {
+      setup ();
+      if (temp_dir == NULL)
+        return ;
+      atexit (cleanup);
+    }
+}
+
+
+const char *
+temp_dir_name (void)
+{
+  initialise ();
+
+  if (temp_dir)
+    return temp_dir->dir_name;
+
+  return NULL;
+}
+
 static void
 cleanup (void)
 {
@@ -74,13 +99,9 @@ create_temp_file (void)
   char *file_name;
   FILE *stream;
 
+  initialise ();
   if (temp_dir == NULL)
-    {
-      setup ();
-      if (temp_dir == NULL)
-        return NULL;
-      atexit (cleanup);
-    }
+    return NULL;
 
   file_name = xasprintf ("%s/%d", temp_dir->dir_name, idx++);
   register_temp_file (temp_dir, file_name);
@@ -104,7 +125,7 @@ close_temp_file (FILE *file)
       struct hmapx_node *node = hmapx_first_with_hash (&map, hash_pointer (file, 0));
       char *fn = node->data;
       fclose_temp (file);
-      cleanup_temp_file (temp_dir, fn); 
+      cleanup_temp_file (temp_dir, fn);
       hmapx_delete (&map, node);
       free (fn);
     }