automatically generate ndr_print_*() functions for every IDL

structure. This allows easy debug and test tool writing without having
to write functions that print every element of complex structures.
(This used to be commit 81d6181172e36c6fbae0907550a29511ce708574)

1 files changed, 61 insertions, 0 deletions

diff --git a/source4/librpc/ndr/ndr.c b/source4/librpc/ndr/ndr.c
index 2ab78d3d09..f7aead014c 100644
--- a/source4/librpc/ndr/ndr.c
+++ b/source4/librpc/ndr/ndr.c
@@ -243,3 +243,64 @@ buffers:
 done:
 	return NT_STATUS_OK;
 }
+
+
+/*
+  print a generic array
+*/
+void ndr_print_array(struct ndr_print *ndr, const char *name, void *base, 
+		     size_t elsize, uint32 count, 
+		     void (*print_fn)(struct ndr_print *, const char *, void *))
+{
+	int i;
+	char *p = base;
+	ndr->print(ndr, "%s: ARRAY(%d)", name, count);
+	ndr->depth++;
+	for (i=0;i<count;i++) {
+		char *idx=NULL;
+		asprintf(&idx, "[%d]", i);
+		if (idx) {
+			print_fn(ndr, idx, p);
+			free(idx);
+		}
+		p += elsize;
+	}
+	ndr->depth--;
+}
+
+
+
+static void ndr_print_debug_helper(struct ndr_print *ndr, const char *format, ...)
+{
+	va_list ap;
+	char *s = NULL;
+	int i;
+
+	va_start(ap, format);
+	vasprintf(&s, format, ap);
+	va_end(ap);
+
+	for (i=0;i<ndr->depth;i++) {
+		DEBUG(0,("    "));
+	}
+
+	DEBUG(0,("%s\n", s));
+	free(s);
+}
+
+/*
+  a useful helper function for printing idl structures via DEBUG()
+*/
+void ndr_print_debug(void (*fn)(struct ndr_print *, const char *, void *),
+		     const char *name,
+		     void *ptr)
+{
+	struct ndr_print ndr;
+
+	ndr.mem_ctx = talloc_init("ndr_print_debug");
+	if (!ndr.mem_ctx) return;
+	ndr.print = ndr_print_debug_helper;
+	ndr.depth = 0;
+	fn(&ndr, name, ptr);
+	talloc_destroy(ndr.mem_ctx);
+}