Add prs_dump_before to dump everything from the start of the prs

buffer up to the current position, and use this to dump pipe buffers
just before parsing.

1 files changed, 23 insertions, 4 deletions

diff --git a/source/rpc_parse/parse_prs.c b/source/rpc_parse/parse_prs.c
index f902210b7b8..8bb9f1c70aa 100644
--- a/source/rpc_parse/parse_prs.c
+++ b/source/rpc_parse/parse_prs.c
@@ -23,11 +23,30 @@
 
 #include "includes.h"
 
-/*******************************************************************
-dump a prs to a file
- ********************************************************************/
+/**
+ * Dump a prs to a file: from the current location through to the end.
+ **/
 void prs_dump(char *name, int v, prs_struct *ps)
 {
+	prs_dump_region(name, v, ps, ps->data_offset, ps->buffer_size);
+}
+
+
+/**
+ * Dump from the start of the prs to the current location.
+ **/
+void prs_dump_before(char *name, int v, prs_struct *ps)
+{
+	prs_dump_region(name, v, ps, 0, ps->data_offset);
+}
+
+
+/**
+ * Dump everything from the start of the prs up to the current location.
+ **/
+void prs_dump_region(char *name, int v, prs_struct *ps,
+		     int from_off, int to_off)
+{
 	int fd, i;
 	pstring fname;
 	if (DEBUGLEVEL < 50) return;
@@ -41,7 +60,7 @@ void prs_dump(char *name, int v, prs_struct *ps)
 		if (fd != -1 || errno != EEXIST) break;
 	}
 	if (fd != -1) {
-		write(fd, ps->data_p + ps->data_offset, ps->buffer_size - ps->data_offset);
+		write(fd, ps->data_p + from_off, to_off - from_off);
 		close(fd);
 		DEBUG(0,("created %s\n", fname));
 	}