X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fodr.c;h=d4424c0bfafb6e446447bc92fd9be41cbaab44f5;hb=8bc8803d672b7ecf182a0bb691885d37cf2a8160;hp=2691c65ec0c1f94b028fa4fb02ba7796e9c364c4;hpb=7b336b394526b31a4c76063e5f63ae3b11d39dda;p=yaz-moved-to-github.git

diff --git a/odr/odr.c b/odr/odr.c
index 2691c65..d4424c0 100644
--- a/odr/odr.c
+++ b/odr/odr.c
@@ -1,10 +1,23 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (c) 1995, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: odr.c,v $
- * Revision 1.9  1995-04-10 10:23:11  quinn
+ * Revision 1.13  1995-05-22 11:32:02  quinn
+ * Fixing Interface to odr_null.
+ *
+ * Revision 1.12  1995/05/16  08:50:49  quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.11  1995/05/15  11:56:08  quinn
+ * More work on memory management.
+ *
+ * Revision 1.10  1995/04/18  08:15:20  quinn
+ * Added dynamic memory allocation on encoding (whew). Code is now somewhat
+ * neater. We'll make the same change for decoding one day.
+ *
+ * Revision 1.9  1995/04/10  10:23:11  quinn
  * Smallish changes.
  *
  * Revision 1.8  1995/03/17  10:17:43  quinn
@@ -37,8 +50,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include <dmalloc.h>
 #include <odr.h>
 
+Odr_null *ODR_NULLVAL = "NULL";  /* the presence of a null value */
+
 char *odr_errlist[] =
 {
     "No (unknown) error",
@@ -77,6 +93,9 @@ ODR odr_createmem(int direction)
     r->direction = direction;
     r->print = stderr;
     r->buf = 0;
+    r->ecb.buf = 0;
+    r->ecb.size = r->ecb.pos = r->ecb.top = 0;
+    r->ecb.can_grow = 1;
     r->buflen = 0;
     r->mem = 0;
     odr_reset(r);
@@ -87,6 +106,8 @@ void odr_reset(ODR o)
 {
     o->error = ONONE;
     o->bp = o->buf;
+    odr_seek(o, ODR_S_SET, 0);
+    o->ecb.top = 0;
     o->left = o->buflen;
     o->t_class = -1;
     o->t_tag = -1;
@@ -99,19 +120,28 @@ void odr_reset(ODR o)
 void odr_destroy(ODR o)
 {
     odr_release_mem(o->mem);
+    if (o->ecb.buf && o->ecb.can_grow)
+    	free(o->ecb.buf);
     if (o->print != stderr)
     	fclose(o->print);
     free(o);
 }
 
-void odr_setbuf(ODR o, char *buf, int len)
+void odr_setbuf(ODR o, char *buf, int len, int can_grow)
 {
     o->buf = o->bp = (unsigned char *) buf;
     o->buflen = o->left = len;
+
+    o->ecb.buf = (unsigned char *) buf;
+    o->ecb.can_grow = can_grow;
+    o->ecb.top = o->ecb.pos = 0;
+    o->ecb.size = len;
 }
 
-char *odr_getbuf(ODR o, int *len)
+char *odr_getbuf(ODR o, int *len, int *size)
 {
-    *len = o->bp - o->buf;
-    return (char *) o->buf;
+    *len = o->ecb.top;
+    if (size)
+    	*size = o->ecb.size;
+    return (char*) o->ecb.buf;
 }