X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fber_any.c;h=ec526a980e6b228eb6f3c99f43cfc3e40da907d1;hp=c28ebb58e9c56156c79934a48742c7e564451d64;hb=df84e4897abc4565fe11adead30b99d9634b41b1;hpb=c6e47cbbff56f39f6d81b079ebaeac41d793d4d9

diff --git a/src/ber_any.c b/src/ber_any.c
index c28ebb5..ec526a9 100644
--- a/src/ber_any.c
+++ b/src/ber_any.c
@@ -1,9 +1,16 @@
-/*
- * Copyright (c) 1995-2003, Index Data
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2010 Index Data
  * See the file LICENSE for details.
+ */
+
+/** 
+ * \file ber_any.c
+ * \brief Implements BER ANY encoding and decoding.
  *
- * $Id: ber_any.c,v 1.1 2003-10-27 12:21:30 adam Exp $
+ * This source file implements BER encoding and decoding of
+ * the ANY type.
  */
+
 #if HAVE_CONFIG_H
 #include <config.h>
 #endif
@@ -38,35 +45,24 @@ int ber_any(ODR o, Odr_any **p)
 
 #define BER_ANY_DEBUG 0
 
-/*
- * Return length of BER-package or 0.
- */
 int completeBER_n(const unsigned char *buf, int len, int level)
 {
     int res, ll, zclass, tag, cons;
     const unsigned char *b = buf;
-    int bad = 0;
     
-    if (len > 5000000 || level > 1000)
+    if (level > 1000)
     {
-	bad = 1;
 #if BER_ANY_DEBUG
-	yaz_log(LOG_LOG, "completeBER lev=%d len=%d", level, len);
+        yaz_log(YLOG_LOG, "completeBER lev=%d len=%d", level, len);
 #endif
-	if (level > 1000)
-	    return -2;
+        return -2;
     }
     if (len < 2)
-    	return 0;
+        return 0;
     if (!buf[0] && !buf[1])
-    	return -2;
+        return -2;
     if ((res = ber_dectag(b, &zclass, &tag, &cons, len)) <= 0)
-    	return 0;
-#if 0
-/* removed, since ber_dectag never reads that far .. */
-    if (res > len)
-    	return 0;
-#endif
+        return 0;
     b += res;
     len -= res;
     assert (len >= 0);
@@ -74,79 +70,73 @@ int completeBER_n(const unsigned char *buf, int len, int level)
     if (res == -2)
     {
 #if BER_ANY_DEBUG
-	if (bad)
-	    yaz_log(LOG_LOG, "<<<<<<<<< return1 lev=%d res=%d", level, res);
+        yaz_log(YLOG_LOG, "<<<<<<<<< return1 lev=%d res=%d", level, res);
 #endif
-	return -1;  /* error */
+        return -1;  /* error */
     }
     if (res == -1)  
     {
 #if BER_ANY_DEBUG
-	if (bad)
-	    yaz_log(LOG_LOG, "<<<<<<<<< return3 lev=%d res=-1", level);
-#endif
-	return 0;    /* incomplete length */
-    }
-    if (ll > 5000000)
-    {
-#if BER_ANY_DEBUG
-	if (bad)
-	    yaz_log(LOG_LOG, "<<<<<<<<< return2 lev=%d len=%d res=%d ll=%d",
-		    level, len, res, ll);
+        yaz_log(YLOG_LOG, "<<<<<<<<< return2 lev=%d res=%d", level, res);
 #endif
-	return -1;  /* error */
+        return 0;    /* incomplete length */
     }
-#if 0
-/* no longer necessary, since ber_declen never reads that far (returns -1) */
-    if (res > len)
-    {
-	if (bad)
-	    yaz_log(LOG_LOG, "<<<<<<<<< return4 lev=%d res=%d len=%d",
-		    level, res, len);
-    	return 0;
-    }
-#endif
     b += res;
     len -= res;
     if (ll >= 0)
     {   /* definite length */
+        if (len < ll)
+        {
 #if BER_ANY_DEBUG
-	if (bad && len < ll)
-	    yaz_log(LOG_LOG, "<<<<<<<<< return5 lev=%d len=%d ll=%d",
-		    level, len, ll);
+            yaz_log(YLOG_LOG, "<<<<<<<<< return5 lev=%d len=%d ll=%d",
+                    level, len, ll);
 #endif
-    	return (len >= ll ? ll + (b-buf) : 0);
+            return 0;
+        }
+        return ll + (b-buf);
     }
     /* indefinite length */
     if (!cons)
     {   /* if primitive, it's an error */
 #if BER_ANY_DEBUG
-	yaz_log(LOG_LOG, "<<<<<<<<< return6 lev=%d ll=%d len=%d res=%d",
-		level, ll, len, res);
+        yaz_log(YLOG_LOG, "<<<<<<<<< return6 lev=%d ll=%d len=%d res=%d",
+                level, ll, len, res);
 #endif
-    	return -1;   /* error */
+        return -1;   /* error */
     }
     /* constructed - cycle through children */
     while (len >= 2)
     {
-	if (b[0] == 0 && b[1] == 0)
-	    break;
-	if (!(res = completeBER_n(b, len, level+1)))
-	    return 0;
-	if (res == -1)
-	    return -1;
-	b += res;
-	len -= res;
+        if (b[0] == 0 && b[1] == 0)
+            break;
+        if (!(res = completeBER_n(b, len, level+1)))
+            return 0;
+        if (res == -1)
+            return -1;
+        b += res;
+        len -= res;
     }
     if (len < 2)
-    	return 0;
+        return 0;
     return (b - buf) + 2;
 }
 
 int completeBER(const unsigned char *buf, int len)
 {
     int res = completeBER_n(buf, len, 0);
+#if BER_ANY_DEBUG
+    yaz_log(YLOG_LOG, "completeBER len=%d res=%d", len, res);
+#endif
     if (res < 0)
-	return len;
+        return len;
     return res;
 }
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+