Improved memory debugging for xmalloc/nmem.c. References to NMEM

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

diff --git a/odr/odr.c b/odr/odr.c
index 4ee2025..efded18 100644 (file)
--- a/odr/odr.c
+++ b/odr/odr.c
@@ -1,10 +1,60 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (c) 1995-1997, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: odr.c,v $
- * Revision 1.10  1995-04-18 08:15:20  quinn
+ * Revision 1.25  1997-10-31 12:20:08  adam
+ * Improved memory debugging for xmalloc/nmem.c. References to NMEM
+ * instead of ODR in n ESPEC-1 handling in source d1_espec.c.
+ * Bug fix: missing fclose in data1_read_espec1.
+ *
+ * Revision 1.24  1997/09/01 08:51:07  adam
+ * New windows NT/95 port using MSV5.0. Had to avoid a few static
+ * variables used in function ber_tag. These are now part of the
+ * ODR structure.
+ *
+ * Revision 1.23  1997/04/30 08:52:10  quinn
+ * Null
+ *
+ * Revision 1.22  1996/10/08  12:58:17  adam
+ * New ODR function, odr_choice_enable_bias, to control behaviour of
+ * odr_choice_bias.
+ *
+ * Revision 1.21  1996/07/26  13:38:19  quinn
+ * Various smaller things. Gathered header-files.
+ *
+ * Revision 1.20  1995/11/08  17:41:32  quinn
+ * Smallish.
+ *
+ * Revision 1.19  1995/11/01  13:54:41  quinn
+ * Minor adjustments
+ *
+ * Revision 1.18  1995/09/29  17:12:22  quinn
+ * Smallish
+ *
+ * Revision 1.17  1995/09/29  17:01:50  quinn
+ * More Windows work
+ *
+ * Revision 1.16  1995/09/27  15:02:57  quinn
+ * Modified function heads & prototypes.
+ *
+ * Revision 1.15  1995/08/15  12:00:22  quinn
+ * Updated External
+ *
+ * Revision 1.14  1995/06/19  12:38:46  quinn
+ * Added BER dumper.
+ *
+ * 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.
  *
@@ -41,8 +91,11 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#include <xmalloc.h>
 #include <odr.h>
 
+Odr_null *ODR_NULLVAL = "NULL";  /* the presence of a null value */
+
 char *odr_errlist[] =
 {
     "No (unknown) error",
@@ -54,9 +107,16 @@ char *odr_errlist[] =
     "Other error",
     "Protocol error",
     "Malformed data",
-    "Stack overflow"
+    "Stack overflow",
+    "Length of constructed type different from sum of members",
+    "Overflow writing definite length of constructed type"
 };
 
+char *odr_errmsg(int n)
+{
+    return odr_errlist[n];
+}
+
 void odr_perror(ODR o, char *message)
 {
     fprintf(stderr, "%s: %s\n", message, odr_errlist[o->error]);
@@ -72,12 +132,16 @@ void odr_setprint(ODR o, FILE *file)
     o->print = file;
 }
 
+#include <log.h>
+
 ODR odr_createmem(int direction)
 {
     struct odr *r;
 
-    if (!(r = malloc(sizeof(*r))))
-       return 0;
+
+    logf (LOG_DEBUG, "odr_createmem dir=%d", direction);
+    if (!(r = xmalloc(sizeof(*r))))
+        return 0;
     r->direction = direction;
     r->print = stderr;
     r->buf = 0;
@@ -85,7 +149,9 @@ ODR odr_createmem(int direction)
     r->ecb.size = r->ecb.pos = r->ecb.top = 0;
     r->ecb.can_grow = 1;
     r->buflen = 0;
-    r->mem = 0;
+    r->mem = nmem_create();
+    r->enable_bias = 1;
+    r->odr_ber_tag.lclass = -1;
     odr_reset(r);
     return r;
 }
@@ -101,33 +167,36 @@ void odr_reset(ODR o)
     o->t_tag = -1;
     o->indent = 0;
     o->stackp = -1;
-    odr_release_mem(o->mem);
-    o->mem = 0;
+    nmem_reset(o->mem);
+    o->choice_bias = -1;
+    o->lenlen = 1;
 }
     
 void odr_destroy(ODR o)
 {
-    odr_release_mem(o->mem);
+    nmem_destroy(o->mem);
     if (o->ecb.buf && o->ecb.can_grow)
-       free(o->ecb.buf);
+       xfree(o->ecb.buf);
     if (o->print != stderr)
-       fclose(o->print);
-    free(o);
+        fclose(o->print);
+    xfree(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 = 0;
+    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->ecb.top;
+    if (size)
+        *size = o->ecb.size;
     return (char*) o->ecb.buf;
 }