From da679389784acf2b427dfbecf075ee0a55878b6a Mon Sep 17 00:00:00 2001
From: Francois Berder <18538310+francois-berder@users.noreply.github.com>
Date: Wed, 28 Aug 2019 09:39:07 +0100
Subject: [PATCH 1/3] Set dictionnary to NULL in lzsa_dictionary_free

Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
---
 src/dictionary.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dictionary.c b/src/dictionary.c
index 1b1fe3b..fbc4f52 100644
--- a/src/dictionary.c
+++ b/src/dictionary.c
@@ -96,6 +96,6 @@ int lzsa_dictionary_load(const char *pszDictionaryFilename, void **ppDictionaryD
 void lzsa_dictionary_free(void **ppDictionaryData) {
    if (*ppDictionaryData) {
       free(*ppDictionaryData);
-      ppDictionaryData = NULL;
+      *ppDictionaryData = NULL;
    }
 }

From a318ac2f8398517912e6fd8bd5a3869c1aca5552 Mon Sep 17 00:00:00 2001
From: Francois Berder <18538310+francois-berder@users.noreply.github.com>
Date: Wed, 28 Aug 2019 09:40:49 +0100
Subject: [PATCH 2/3] Fix memory leak in comparestream_open

Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
---
 src/lzsa.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lzsa.c b/src/lzsa.c
index 4136d7d..939a2c9 100755
--- a/src/lzsa.c
+++ b/src/lzsa.c
@@ -277,8 +277,10 @@ int comparestream_open(lzsa_stream_t *stream, const char *pszCompareFilename, co
       stream->close = comparestream_close;
       return 0;
    }
-   else
+   else {
+      free(pCompareStream);
       return -1;
+   }
 }
 
 static int do_compare(const char *pszInFilename, const char *pszOutFilename, const char *pszDictionaryFilename, const unsigned int nOptions, int nFormatVersion) {

From 4f2d7da13634fad44c9a62064ee0a60c23191e5f Mon Sep 17 00:00:00 2001
From: Francois Berder <18538310+francois-berder@users.noreply.github.com>
Date: Wed, 28 Aug 2019 09:41:54 +0100
Subject: [PATCH 3/3] Fix main return value if compressing

Signed-off-by: Francois Berder <18538310+francois-berder@users.noreply.github.com>
---
 src/lzsa.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lzsa.c b/src/lzsa.c
index 939a2c9..8004153 100755
--- a/src/lzsa.c
+++ b/src/lzsa.c
@@ -1054,7 +1054,9 @@ int main(int argc, char **argv) {
    if (cCommand == 'z') {
       int nResult = do_compress(pszInFilename, pszOutFilename, pszDictionaryFilename, nOptions, nMinMatchSize, nFormatVersion);
       if (nResult == 0 && bVerifyCompression) {
-         nResult = do_compare(pszOutFilename, pszInFilename, pszDictionaryFilename, nOptions, nFormatVersion);
+         return do_compare(pszOutFilename, pszInFilename, pszDictionaryFilename, nOptions, nFormatVersion);
+      } else {
+         return nResult;
       }
    }
    else if (cCommand == 'd') {