[PATCH] util: add utility routine to dump the structure of a gmime part

David Bremner david at tethera.net
Mon May 22 17:41:30 PDT 2017


For debugging. From the gmime 3.0 test suite.
---

I'm not sure this is really in the source tree, but I remember
rumblings from Jani about maybe providing some kind of C equivalent
for the python printmimestructure script. So in case this proves
useful to someone, here it is.

util/gmime-extra.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 util/gmime-extra.h |  2 ++
 2 files changed, 51 insertions(+)

diff --git a/util/gmime-extra.c b/util/gmime-extra.c
index 81f3fce9..d1c55623 100644
--- a/util/gmime-extra.c
+++ b/util/gmime-extra.c
@@ -1,5 +1,54 @@
 #include "gmime-extra.h"
 
+static void
+print_mime_part_info (const char *path, GMimeObject *object)
+{
+    const GMimeContentType *type;
+    gboolean has_md5;
+
+    type = g_mime_object_get_content_type (object);
+
+    if (GMIME_IS_PART (object))
+	has_md5 = g_mime_object_get_header (object, "Content-Md5") != NULL;
+    else
+	has_md5 = FALSE;
+
+    fprintf (stdout, "%s\t%s/%s%s", path,
+	     type->type, type->subtype, has_md5 ? "; md5sum=" : "\n");
+
+    if (has_md5) {
+	/* validate the Md5 sum */
+	if (g_mime_part_verify_content_md5 ((GMimePart *) object))
+	    fprintf (stdout, "GOOD\n");
+	else
+	    fprintf (stdout, "BAD\n");
+    }
+}
+
+void
+g_mime_object_print_struct (GMimeObject *part)
+{
+    GMimePartIter *iter;
+    GMimeObject *parent;
+    char *path;
+
+    iter = g_mime_part_iter_new (part);
+    if (g_mime_part_iter_is_valid (iter)) {
+	if ((parent = g_mime_part_iter_get_parent (iter)))
+	    print_mime_part_info ("TEXT", parent);
+
+	do {
+	    part = g_mime_part_iter_get_current (iter);
+	    path = g_mime_part_iter_get_path (iter);
+	    print_mime_part_info (parent ? path : "TEXT", part);
+	    g_free (path);
+	} while (g_mime_part_iter_next (iter));
+
+    }
+
+    g_mime_part_iter_free (iter);
+}
+
 GMimeStream *
 g_mime_stream_stdout_new()
 {
diff --git a/util/gmime-extra.h b/util/gmime-extra.h
index eb28cf06..2300dfb0 100644
--- a/util/gmime-extra.h
+++ b/util/gmime-extra.h
@@ -4,6 +4,8 @@
 
 GMimeStream *g_mime_stream_stdout_new(void);
 
+void g_mime_object_print_struct(GMimeObject *part);
+
 #include <talloc.h>
 
 
-- 
2.11.0



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