Fixed problem with stack overflow for very nested records.

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

diff --git a/retrieval/d1_read.c b/retrieval/d1_read.c
index 8ff1563..78b7cdd 100644 (file)
--- a/retrieval/d1_read.c
+++ b/retrieval/d1_read.c
@@ -1,10 +1,16 @@
 /*
- * Copyright (c) 1995-2000, Index Data.
+ * Copyright (c) 1995-2001, Index Data.
  * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: d1_read.c,v $
- * Revision 1.35  2000-12-05 14:44:25  adam
+ * Revision 1.37  2001-02-28 09:00:06  adam
+ * Fixed problem with stack overflow for very nested records.
+ *
+ * Revision 1.36  2001/02/21 13:46:53  adam
+ * C++ fixes.
+ *
+ * Revision 1.35  2000/12/05 14:44:25  adam
  * Readers skips <! ...> sections.
  *
  * Revision 1.34  2000/12/05 10:06:23  adam
@@ -348,7 +354,7 @@ data1_xattr *data1_read_xattr (data1_handle dh, NMEM m,
            c = (*get_byte)(fh);
        if (!c  || c == '>' || c == '/')
            break;
-       *pp = p = nmem_malloc (m, sizeof(*p));
+       *pp = p = (data1_xattr *) nmem_malloc (m, sizeof(*p));
        p->next = 0;
        pp = &p->next;
        p->value = 0;
@@ -361,7 +367,7 @@ data1_xattr *data1_read_xattr (data1_handle dh, NMEM m,
        }
        wrbuf_putc (wrbuf, '\0');
        len = wrbuf_len(wrbuf);
-       p->name = nmem_malloc (m, len);
+       p->name = (char*) nmem_malloc (m, len);
        strcpy (p->name, wrbuf_buf(wrbuf));
        if (c == '=')
        {
@@ -376,7 +382,7 @@ data1_xattr *data1_read_xattr (data1_handle dh, NMEM m,
            }
            wrbuf_putc (wrbuf, '\0');
            len = wrbuf_len(wrbuf);
-           p->value = nmem_malloc (m, len);
+           p->value = (char*) nmem_malloc (m, len);
            strcpy (p->value, wrbuf_buf(wrbuf));
            if (c == '"')
                c = (*get_byte)(fh);    
@@ -593,7 +599,7 @@ data1_node *data1_read_nodex (data1_handle dh, NMEM m,
                parent->child = res;
            d1_stack[level] = res;
            d1_stack[level+1] = 0;
-           if (!null_tag)
+           if (level < 250 && !null_tag)
                ++level;
        }
        else /* != '<'... this is a body of text */