Implemented data1_set_tabpath and data1_get_tabpath.

[yaz-moved-to-github.git] / retrieval / d1_read.c

diff --git a/retrieval/d1_read.c b/retrieval/d1_read.c
index e4b8d23..a430565 100644 (file)
--- a/retrieval/d1_read.c
+++ b/retrieval/d1_read.c
@@ -4,7 +4,14 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: d1_read.c,v $
- * Revision 1.11  1996-07-06 19:58:35  quinn
+ * Revision 1.13  1996-10-29 13:35:38  adam
+ * Implemented data1_set_tabpath and data1_get_tabpath.
+ *
+ * Revision 1.12  1996/10/11 10:35:38  adam
+ * Fixed a bug that caused data1_read_node to core dump when no abstract
+ * syntax was defined in a "sgml"-record.
+ *
+ * Revision 1.11  1996/07/06 19:58:35  quinn
  * System headerfiles gathered in yconfig
  *
  * Revision 1.10  1996/01/19  15:41:47  quinn
@@ -93,8 +100,24 @@
 
 char *data1_tabpath = 0; /* global path for tables */
 
-void data1_set_tabpath(char *p)
-{ data1_tabpath = p; }
+void data1_set_tabpath(const char *p)
+{
+    if (data1_tabpath)
+    {
+        xfree (data1_tabpath);
+        data1_tabpath = NULL;
+    }
+    if (p)
+    {
+        data1_tabpath = xmalloc (strlen(p)+1);
+        strcpy (data1_tabpath, p);
+    }
+}
+
+const char *data1_get_tabpath (void)
+{
+    return data1_tabpath;
+}
 
 #if 0
 static data1_node *freelist = 0;
@@ -391,6 +414,8 @@ data1_node *data1_read_node(char **buf, data1_node *parent, int *line,
        data1_node *partag = get_parent_tag(parent);
 #endif
 
+        if (!parent)      /* abort if abstract syntax is undefined */
+            return 0;
        /* Determine length and remove newlines/extra blanks */
        while (**buf && **buf != '<')
        {