Check for config.h (currently not generated).

[yaz-moved-to-github.git] / odr / ber_any.c

diff --git a/odr/ber_any.c b/odr/ber_any.c
index 6492398..9ca2cb2 100644 (file)
--- a/odr/ber_any.c
+++ b/odr/ber_any.c
@@ -1,10 +1,48 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
+ * Copyright (c) 1995-2000, Index Data
+ * See the file LICENSE for details.
  *
  * $Log: ber_any.c,v $
- * Revision 1.6  1995-03-08 12:12:02  quinn
+ * Revision 1.18  2000-02-29 13:44:55  adam
+ * Check for config.h (currently not generated).
+ *
+ * Revision 1.17  2000/01/31 13:15:21  adam
+ * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
+ * that some characters are not surrounded by spaces in resulting term.
+ * ILL-code updates.
+ *
+ * Revision 1.16  1999/11/30 13:47:11  adam
+ * Improved installation. Moved header files to include/yaz.
+ *
+ * Revision 1.15  1999/01/08 11:23:20  adam
+ * Added const modifier to some of the BER/ODR encoding routines.
+ *
+ * Revision 1.14  1998/02/11 11:53:34  adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.13  1997/05/14 06:53:56  adam
+ * C++ support.
+ *
+ * Revision 1.12  1995/09/29 17:12:15  quinn
+ * Smallish
+ *
+ * Revision 1.11  1995/09/27  15:02:54  quinn
+ * Modified function heads & prototypes.
+ *
+ * Revision 1.10  1995/05/16  08:50:42  quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.9  1995/04/18  08:15:12  quinn
+ * Added dynamic memory allocation on encoding (whew). Code is now somewhat
+ * neater. We'll make the same change for decoding one day.
+ *
+ * Revision 1.8  1995/04/17  09:37:42  quinn
+ * *** empty log message ***
+ *
+ * Revision 1.7  1995/03/17  10:17:39  quinn
+ * Added memory management.
+ *
+ * Revision 1.6  1995/03/08  12:12:02  quinn
  * Added better error checking.
  *
  * Revision 1.5  1995/02/14  20:39:54  quinn
@@ -23,36 +61,32 @@
  * Works better now.
  *
  */
-
-#include <odr.h>
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <yaz/odr.h>
 
 int ber_any(ODR o, Odr_any **p)
 {
     int res;
+    int left = o->size - (o->bp - o->buf);
 
     switch (o->direction)
     {
        case ODR_DECODE:
-           if ((res = completeBER(o->bp, o->left)) <= 0)        /* FIX THIS */
+           if ((res = completeBER(o->bp, left)) <= 0)        /* FIX THIS */
            {
                o->error = OPROTO;
                return 0;
            }
-           (*p)->buf = nalloc(o, res);
+           (*p)->buf = (unsigned char *)odr_malloc(o, res);
            memcpy((*p)->buf, o->bp, res);
            (*p)->len = (*p)->size = res;
            o->bp += res;
-           o->left -= res;
            return 1;
        case ODR_ENCODE:
-           if ((*p)->len > o->left)
-           {
-               o->error = OSPACE;
+           if (odr_write(o, (*p)->buf, (*p)->len) < 0)
                return 0;
-           }
-           memcpy(o->bp , (*p)->buf, (*p)->len);
-           o->bp += (*p)->len;
-           o->left -= (*p)->len;
            return 1;
        default: o->error = OOTHER; return 0;
     }
@@ -61,16 +95,16 @@ int ber_any(ODR o, Odr_any **p)
 /*
  * Return length of BER-package or 0.
  */
-int completeBER(unsigned char *buf, int len)
+int completeBER(const unsigned char *buf, int len)
 {
-    int res, ll, class, tag, cons;
-    unsigned char *b = buf;
+    int res, ll, zclass, tag, cons;
+    const unsigned char *b = buf;
     
     if (!len)
        return 0;
     if (!buf[0] && !buf[1])
        return 0;
-    if ((res = ber_dectag(b, &class, &tag, &cons)) <= 0)
+    if ((res = ber_dectag(b, &zclass, &tag, &cons)) <= 0)
        return 0;
     if (res > len)
        return 0;
@@ -96,5 +130,7 @@ int completeBER(unsigned char *buf, int len)
        b += res;
        len -= res;
     }
+    if (len < 2)
+       return 0;
     return (b - buf) + 2;
 }