From 2534fa520329bce2a91aa39b3564b68e0e6867a4 Mon Sep 17 00:00:00 2001
From: Alasdair Kergon <agk@redhat.com>
Date: Fri, 26 Mar 2004 21:09:44 +0000
Subject: [PATCH] Add string display to mem leak dump.

---
 lib/mm/dbg_malloc.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/lib/mm/dbg_malloc.c b/lib/mm/dbg_malloc.c
index b8b0c6c6f..995a268ee 100644
--- a/lib/mm/dbg_malloc.c
+++ b/lib/mm/dbg_malloc.c
@@ -159,13 +159,26 @@ int dump_memory(void)
 {
 	unsigned long tot = 0;
 	struct memblock *mb;
+	char str[32];
+	size_t c;
+
 	if (_head)
 		log_very_verbose("You have a memory leak:");
 
 	for (mb = _head; mb; mb = mb->next) {
+		for (c = 0; c < sizeof(str) - 1; c++) {
+			if (c >= mb->length)
+				str[c] = ' ';
+			else if (*(char *)(mb->magic + c) < ' ')
+				str[c] = '?';
+			else
+				str[c] = *(char *)(mb->magic + c);
+		}
+		str[sizeof(str) - 1] = '\0';
+
 		print_log(_LOG_INFO, mb->file, mb->line,
-			  "block %d at %p, size %" PRIdPTR,
-			  mb->id, mb->magic, mb->length);
+			  "block %d at %p, size %" PRIdPTR "\t [%s]",
+			  mb->id, mb->magic, mb->length, str);
 		tot += mb->length;
 	}