From 71a0359caa92ee248954b9bb9f47e1ee1dccd842 Mon Sep 17 00:00:00 2001
From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Tue, 4 Jul 2006 21:04:12 +0000
Subject: [PATCH] let rrdtool  understand <?xml ...?> headers in rrdtool
 restore input

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@849 a5681a0c-68f1-0310-ab6d-d61299d08faa
---
 src/rrd_restore.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/rrd_restore.c b/src/rrd_restore.c
index 29a97b3..6097fa4 100644
--- a/src/rrd_restore.c
+++ b/src/rrd_restore.c
@@ -18,6 +18,7 @@
 
 void xml_lc(char*);
 int skip(char **);
+int skipxml(char **);
 int eat_tag(char **, char *);
 int read_tag(char **, char *, char *, void *);
 int xml2rrd(char*, rrd_t*, char);
@@ -44,6 +45,24 @@ void xml_lc(char* buf){
   }
 }
 
+int skipxml(char **buf){
+  char *ptr;  
+  ptr=(*buf);
+  do {
+    (*buf)=ptr;
+    while((*(ptr+1)) && ((*ptr)==' ' ||  (*ptr)=='\r' || (*ptr)=='\n' || (*ptr)=='\t')) ptr++;
+    if (strncmp(ptr,"<?xml",4) == 0) {
+      ptr= strstr(ptr,"?>");
+      if (ptr) ptr+=2; else {
+	rrd_set_error("Dangling XML header");
+	(*buf) = NULL;
+	return -1;
+      }
+    }
+  } while ((*buf)!=ptr);  
+  return 1;
+}
+
 int skip(char **buf){
   char *ptr;  
   ptr=(*buf);
@@ -118,6 +137,8 @@ int xml2rrd(char* buf, rrd_t* rrd, char rc){
   ptr2=buf;
   ptr3=buf;
   /* start with an RRD tag */
+  
+  skipxml(&ptr);
 
   eat_tag(&ptr,"rrd");
   /* allocate static header */
-- 
2.30.2