X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Frrd_open.c;h=c0e6545a2b2f3208b96147158ec9c65cf559a334;hb=a3e9d613aebcf9bb824339fb3e4954930a9e75f2;hp=1a3496d444564d79ccfd6a9e4a82d88882a8db7b;hpb=807a360d0f655237d1278d4ccff833059992270b;p=rrdtool.git

diff --git a/src/rrd_open.c b/src/rrd_open.c
index 1a3496d..c0e6545 100644
--- a/src/rrd_open.c
+++ b/src/rrd_open.c
@@ -1,10 +1,23 @@
 /*****************************************************************************
- * RRDtool 1.0.33  Copyright Tobias Oetiker, 1997 - 2000
+ * RRDtool 1.1.x  Copyright Tobias Oetiker, 1997 - 2002
  *****************************************************************************
  * rrd_open.c  Open an RRD File
  *****************************************************************************
  * $Id$
  * $Log$
+ * Revision 1.5  2002/06/20 00:21:03  jake
+ * More Win32 build changes; thanks to Kerry Calvert.
+ *
+ * Revision 1.4  2002/02/01 20:34:49  oetiker
+ * fixed version number and date/time
+ *
+ * Revision 1.3  2001/03/04 13:01:55  oetiker
+ * Aberrant Behavior Detection support. A brief overview added to rrdtool.pod.
+ * Major updates to rrd_update.c, rrd_create.c. Minor update to other core files.
+ * This is backwards compatible! But new files using the Aberrant stuff are not readable
+ * by old rrdtool versions. See http://cricket.sourceforge.net/aberrant/rrd_hw.htm
+ * -- Jake Brutlag <jakeb@corp.webtv.net>
+ *
  * Revision 1.2  2001/03/04 10:29:20  oetiker
  * fixed filedescriptor leak
  * -- Mike Franusich <mike@franusich.com>
@@ -45,6 +58,15 @@ rrd_open(char *file_name, FILE **in_file, rrd_t *rrd, int rdwr)
 	rrd_set_error("opening '%s': %s",file_name, strerror(errno));
 	return (-1);
     }
+/*
+	if (rdwr == RRD_READWRITE)
+	{
+	   if (setvbuf((*in_file),NULL,_IONBF,2)) {
+		  rrd_set_error("failed to disable the stream buffer\n");
+		  return (-1);
+	   }
+	}
+*/
     
 #define MYFREAD(MYVAR,MYVART,MYCNT) \
     if ((MYVAR = malloc(sizeof(MYVART) * MYCNT)) == NULL) {\
@@ -63,7 +85,7 @@ rrd_open(char *file_name, FILE **in_file, rrd_t *rrd, int rdwr)
 	    fclose(*in_file);
 	    return(-1);}
 
-	if (strncmp(rrd->stat_head->version,RRD_VERSION,5) != 0){
+        if (atoi(rrd->stat_head->version) > atoi(RRD_VERSION)){
 	    rrd_set_error("can't handle RRD file version %s",
 			rrd->stat_head->version);
 	    free(rrd->stat_head);
@@ -112,6 +134,14 @@ void rrd_free(rrd_t *rrd)
     free(rrd->rrd_value);
 }
 
+/* routine used by external libraries to free memory allocated by
+ * rrd library */
+void rrd_freemem(void *mem)
+{
+
+    free(mem);
+}
+
 int readfile(char *file_name, char **buffer, int skipfirst){
     long writecnt=0,totalcnt = MEMBLK;
     FILE *input=NULL;