From 54ea7920b24c7717a5d97089385661291737155f Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Tue, 13 Aug 2013 10:31:11 -0300
Subject: [PATCH] Dump hashes

---
 libkmod/libkmod-hash.c | 31 +++++++++++++++++++++++++++++++
 libkmod/libkmod-hash.h |  3 +++
 tools/depmod.c         |  4 ++++
 3 files changed, 38 insertions(+)

diff --git a/libkmod/libkmod-hash.c b/libkmod/libkmod-hash.c
index dfe596f..58918b4 100644
--- a/libkmod/libkmod-hash.c
+++ b/libkmod/libkmod-hash.c
@@ -330,6 +330,37 @@ int hash_add(struct hash *hash, const char *key, const void *value)
 	return 0;
 }
 
+void hash_dump(struct hash *hash)
+{
+	unsigned int i _unused_;
+
+	fprintf(stderr, "#####\n");
+	fprintf(stderr, "%p %d %u\n", hash, hash->count, hash->n_buckets);
+	fprintf(stderr, "#####\n");
+	for (i = 0; i < hash->n_buckets; i++) {
+		struct hash_bucket *bucket = hash->buckets + i;
+		fprintf(stderr, "%u %d\n", i, bucket->used);
+	}
+	fprintf(stderr, "#####\n");
+	hash_dump_keys(hash);
+	fprintf(stderr, "#####\n");
+}
+
+void hash_dump_keys(struct hash *hash)
+{
+	unsigned int i;
+
+	for (i = 0; i < hash->n_buckets; i++) {
+		struct hash_bucket *bucket = hash->buckets + i;
+		struct hash_entry *entry, *entry_end;
+
+		entry = bucket->entries;
+		entry_end = entry + bucket->used;
+		for (; entry < entry_end; entry++)
+			fprintf(stderr, "%s\n", entry->key);
+	}
+}
+
 /* similar to hash_add(), but fails if key already exists */
 int hash_add_unique(struct hash *hash, const char *key, const void *value)
 {
diff --git a/libkmod/libkmod-hash.h b/libkmod/libkmod-hash.h
index ca0af05..09c536c 100644
--- a/libkmod/libkmod-hash.h
+++ b/libkmod/libkmod-hash.h
@@ -20,3 +20,6 @@ unsigned int hash_get_count(const struct hash *hash);
 void hash_iter_init(const struct hash *hash, struct hash_iter *iter);
 bool hash_iter_next(struct hash_iter *iter, const char **key,
 							const void **value);
+
+void hash_dump(struct hash *hash);
+void hash_dump_keys(struct hash *hash);
diff --git a/tools/depmod.c b/tools/depmod.c
index b1b5874..4b6ca5b 100644
--- a/tools/depmod.c
+++ b/tools/depmod.c
@@ -1032,6 +1032,10 @@ static void depmod_shutdown(struct depmod *depmod)
 {
 	size_t i;
 
+	hash_dump(depmod->symbols);
+	hash_dump(depmod->modules_by_name);
+	hash_dump(depmod->modules_by_uncrelpath);
+
 	hash_free(depmod->symbols);
 
 	hash_free(depmod->modules_by_uncrelpath);