File libcdio-0.94-leak-01.patch of Package libcdio.7811

Partial patch.
From 490e1e26d7b34d99a6fbfaa6a923ccdc546bba2f Mon Sep 17 00:00:00 2001
From: "R. Bernstein" <rocky@gnu.org>
Date: Sun, 19 Nov 2017 22:39:38 -0500
Subject: [PATCH 1/20] Remove more memory leaks (via valgrind)

---
 NEWS                   |  3 ++-
 lib/driver/image/nrg.c |  9 ++++-----
 test/driver/logger.c   | 16 ++++++++++++++++
 3 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/lib/driver/image/nrg.c b/lib/driver/image/nrg.c
index 9e2eb484..af51db21 100644
--- a/lib/driver/image/nrg.c
+++ b/lib/driver/image/nrg.c
@@ -1268,18 +1268,17 @@ _get_track_green_nrg(void *p_user_data, track_t track_num)
 bool
 cdio_is_nrg(const char *psz_nrg)
 {
-  _img_private_t env;
+  _img_private_t *p_env  = calloc(1, sizeof (_img_private_t));
   bool is_nrg = false;
 
   if (psz_nrg == NULL) return false;
 
-  memset(&env, 0, sizeof(env));
-  if (!(env.gen.data_source = cdio_stdio_new (psz_nrg))) {
+  if (!(p_env->gen.data_source = cdio_stdio_new (psz_nrg))) {
     cdio_warn ("can't open nrg image file %s for reading", psz_nrg);
     return false;
   }
 
-  if (parse_nrg(&env, psz_nrg, CDIO_LOG_INFO)) {
+  if (parse_nrg(p_env, psz_nrg, CDIO_LOG_INFO)) {
     is_nrg = true;
 #ifdef ALSO_TEST_NAME
     size_t psz_len;
@@ -1290,7 +1289,7 @@ cdio_is_nrg(const char *psz_nrg)
     is_nrg = strncasecmp( psz_nrg+(psz_len-3), "nrg", 3 ) == 0;
 #endif
   }
-  cdio_stdio_destroy(env.gen.data_source);
+  _free_nrg(p_env);
   return is_nrg;
 }
 
diff --git a/test/driver/logger.c b/test/driver/logger.c
index 519febb1..1a0bf72d 100644
--- a/test/driver/logger.c
+++ b/test/driver/logger.c
@@ -84,29 +84,37 @@ main(int argc, const char *argv[])
 	strncmp(test_msg, last_debugmsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "debug message %s did not get handled\n",
 		last_debugmsg);
+        free(last_debugmsg);
 	exit(2);
     }
+    free(last_debugmsg);
 
     test_msg = "info";
     cdio_info("%s", test_msg);
     if (strncmp(test_msg, last_infomsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "info message %s did not get handled\n", last_infomsg);
+        free(last_infomsg);
 	exit(3);
     }
+    free(last_infomsg);
 
     test_msg = "warn";
     cdio_warn("%s", test_msg);
     if (strncmp(test_msg, last_warnmsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "warn message %s did not get handled\n", last_warnmsg);
+        free(last_warnmsg);
 	exit(4);
     }
+    free(last_warnmsg);
 
     test_msg = "error";
     cdio_error("%s", test_msg);
     if (strncmp(test_msg, last_errmsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "error message %s did not get handled\n", last_errmsg);
+        free(last_errmsg);
 	exit(5);
     }
+    free(last_errmsg);
 
     /* Try using generic cdio_log routine */
 
@@ -114,29 +122,37 @@ main(int argc, const char *argv[])
     cdio_log(CDIO_LOG_DEBUG, "%s", test_msg);
     if (strncmp(test_msg, last_debugmsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "debug message %s did not get handled, phase 2\n", last_debugmsg);
+        free(last_debugmsg);
 	exit(6);
     }
+    free(last_debugmsg);
 
     test_msg = "info via cdio_log";
     cdio_log(CDIO_LOG_INFO, "%s", test_msg);
     if (strncmp(test_msg, last_infomsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "info message %s did not get handled\n", last_infomsg);
+        free(last_infomsg);
 	exit(7);
     }
+    free(last_infomsg);
 
     test_msg = "warn via cdio_log";
     cdio_log(CDIO_LOG_WARN, "%s", test_msg);
     if (strncmp(test_msg, last_warnmsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "warn message %s did not get handled\n", last_warnmsg);
+        free(last_warnmsg);
 	exit(8);
     }
+    free(last_warnmsg);
 
     test_msg = "error via cdio_log";
     cdio_log(CDIO_LOG_ERROR, "%s", test_msg);
     if (strncmp(test_msg, last_errmsg, strlen(test_msg)) != 0) {
 	fprintf(stderr, "error message %s did not get handled\n", last_errmsg);
+        free(last_errmsg);
 	exit(9);
     }
+    free(last_errmsg);
 
     exit(0);
 }
-- 
2.17.0
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