From 9e20fe9bbb0df5cb2e1559c5429818391a9901c1 Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Tue, 4 Dec 2018 16:23:09 +0000
Subject: [PATCH] Various mem leak fixes (#12400)

---
 libr/core/core.c   | 1 +
 libr/core/disasm.c | 1 +
 libr/util/format.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/libr/core/core.c b/libr/core/core.c
index bd8e26740d..719d1db8a7 100644
--- a/libr/core/core.c
+++ b/libr/core/core.c
@@ -594,6 +594,7 @@ static ut64 num_callback(RNum *userptr, const char *str, int *ok) {
 						return r_reg_get_value (core->dbg->reg, r);
 					}
 				}
+				free (bptr);
 				return 0; // UT64_MAX;
 			} else {
 				int rows;
diff --git a/libr/core/disasm.c b/libr/core/disasm.c
index 6c69369006..48d06557de 100644
--- a/libr/core/disasm.c
+++ b/libr/core/disasm.c
@@ -4472,6 +4472,7 @@ static void ds_print_calls_hints(RDisasmState *ds) {
 	ds_begin_comment (ds);
 	const char *fcn_type = r_type_func_ret (TDB, name);
 	if (!fcn_type || !*fcn_type) {
+		free (name);
 		return;
 	}
 	char *cmt = r_str_newf ("; %s%s%s(", fcn_type,
diff --git a/libr/util/format.c b/libr/util/format.c
index 2e0d96fea2..de7efcd7f3 100644
--- a/libr/util/format.c
+++ b/libr/util/format.c
@@ -1590,6 +1590,7 @@ int r_print_format_struct_size(const char *f, RPrint *p, int mode, int n) {
 			if (newsize < 1) {
 				eprintf ("Cannot find size for `%s'\n", format);
 				free (structname);
+				free (o);
 				return 0;
 			}
 			if (format && newsize > 0) {