From: Jaroslav Rohel <jrohel@redhat.com>
Date: Thu, 8 Apr 2021 10:17:09 +0000 (+0200)
Subject: Fix: Memory leaks in SWIG generated code (for Python)
X-Git-Tag: 0.7.20~9^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F445%2Fhead;p=thirdparty%2Flibsolv.git

Fix: Memory leaks in SWIG generated code (for Python)

There were memory leaks in the `Chksum_from_bin`, `Chksum_add`,
`SolvFp_write` functions wrapper for Python.

The problem was in "freearg" typemap argument defined in "solv.i".
Therefore, the typemap was not applied.
---

diff --git a/bindings/solv.i b/bindings/solv.i
index 1882b135..3bbeca04 100644
--- a/bindings/solv.i
+++ b/bindings/solv.i
@@ -63,7 +63,7 @@ typedef struct {
   $2 = size;
 }
 
-%typemap(freearg,noblock=1,match="in") (const unsigned char *str, int len) {
+%typemap(freearg,noblock=1,match="in") (const unsigned char *str, size_t len) {
   if (alloc$argnum == SWIG_NEWOBJ) %delete_array(buf$argnum);
 }