X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Ffilexml.C;h=5390617b05782be862a806c66c9579abe9b6ec41;hb=5621db270ccbeabc106e0f438941dba6f930652b;hp=f707ad60b9b8d5abb326fa915874dfb812f654b5;hpb=a0037a8d091d11851f324c741a8fc7f314acf7dc;p=goodguy%2Fhistory.git

diff --git a/cinelerra-5.1/cinelerra/filexml.C b/cinelerra-5.1/cinelerra/filexml.C
index f707ad60..5390617b 100644
--- a/cinelerra-5.1/cinelerra/filexml.C
+++ b/cinelerra-5.1/cinelerra/filexml.C
@@ -58,7 +58,7 @@ XMLBuffer::XMLBuffer(const char *buf, long buf_size, int del)
 	destroy = del;
 }
 
-XMLBuffer::XMLBuffer(long buf_size, const char *buf, int del)
+XMLBuffer::XMLBuffer(long buf_size, char *buf, int del)
 {	// writing
 	bfr = (unsigned char *)buf;
 	bsz = buf_size;
@@ -73,9 +73,10 @@ XMLBuffer::~XMLBuffer()
 	if( destroy ) delete [] bfr;
 }
 
-unsigned char *&XMLBuffer::demand(long len)
+int XMLBuffer::demand(long len)
 {
 	if( len > bsz ) {
+		if( !destroy ) return 0;
 		long sz = inp-bfr;
 		len += sz/2 + BCTEXTLEN;
 		unsigned char *np = new unsigned char[len];
@@ -85,13 +86,13 @@ unsigned char *&XMLBuffer::demand(long len)
 		lmt = np + len;  bsz = len;
 		delete [] bfr;   bfr = np;
 	}
-	return bfr;
+	return 1;
 }
 
 int XMLBuffer::write(const char *bp, int len)
 {
-	if( !destroy && lmt-inp < len ) len = lmt-inp;
 	if( len <= 0 ) return 0;
+	if( !destroy && lmt-inp < len ) len = lmt-inp;
 	demand(otell()+len);
 	memmove(inp,bp,len);
 	inp += len;