opkg: (leak fixing, day 1) lots and lots of memory leaks fixed

git-svn-id: http://opkg.googlecode.com/svn/trunk@114 e8e0d7a0-c8d9-11dd-a880-a1081c7ac358

7 files changed, 111 insertions, 9 deletions

diff --git a/libopkg/hash_table.c b/libopkg/hash_table.c
index 41877c2..c0c0530 100644
--- a/libopkg/hash_table.c
+++ b/libopkg/hash_table.c
@@ -78,7 +78,26 @@ int hash_table_init(const char *name, hash_table_t *hash, int len)
 
 void hash_table_deinit(hash_table_t *hash)
 {
-    free(hash->entries);
+    int i;
+    if (!hash)
+        return;
+
+    /* free the reminaing entries */
+    for (i = 0; i < hash->n_entries; i++) {
+	hash_entry_t *hash_entry = (hash->entries + i);
+	/* skip the first entry as this is part of the array */
+	hash_entry = hash_entry->next;
+        while (hash_entry)
+	{
+	  hash_entry_t *old = hash_entry;
+	  hash_entry = hash_entry->next;
+	  free (old->key);
+	  free (old);
+	}
+    }
+
+    free (hash->entries);
+
     hash->entries = NULL;
     hash->n_entries = 0;
 }
diff --git a/libopkg/hash_table.h b/libopkg/hash_table.h
index 388a966..d4e8a3d 100644
--- a/libopkg/hash_table.h
+++ b/libopkg/hash_table.h
@@ -22,7 +22,7 @@ typedef struct hash_entry hash_entry_t;
 typedef struct hash_table hash_table_t;
 
 struct hash_entry {
-  const char * key;
+  char * key;
   void * data;
   struct hash_entry * next;
 };
diff --git a/libopkg/opkg_conf.c b/libopkg/opkg_conf.c
index e2cbae5..2642033 100644
--- a/libopkg/opkg_conf.c
+++ b/libopkg/opkg_conf.c
@@ -179,7 +179,7 @@ int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
      }
 
      if (args->offline_root) {
-            char *tmp = malloc(strlen(lists_dir) + strlen(args->offline_root) + 1);
+            char *tmp;// = malloc(strlen(lists_dir) + strlen(args->offline_root) + 1);
             sprintf_alloc(&tmp, "%s/%s",args->offline_root,lists_dir);
             free(lists_dir);
             lists_dir = tmp;
@@ -195,6 +195,8 @@ int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 	  sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", args->offline_root);
      memset(&globbuf, 0, sizeof(globbuf));
      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
+     if (args->offline_root)
+          free (etc_opkg_conf_pattern);
      if (!err) {
 	  int i;
 	  for (i = 0; i < globbuf.gl_pathc; i++) {
@@ -327,6 +329,7 @@ void opkg_conf_deinit(opkg_conf_t *conf)
 #endif /* OPKG_DEBUG_NO_TMP_CLEANUP */
 
      free(conf->tmp_dir); /*XXX*/
+     free(conf->lists_dir);
 
      pkg_src_list_deinit(&conf->pkg_src_list);
      pkg_dest_list_deinit(&conf->pkg_dest_list);
diff --git a/libopkg/opkg_conf.h b/libopkg/opkg_conf.h
index bc8d36f..fe29e00 100644
--- a/libopkg/opkg_conf.h
+++ b/libopkg/opkg_conf.h
@@ -49,7 +49,7 @@ struct opkg_conf
      pkg_dest_t *default_dest;
 
      char *tmp_dir;
-     const char *lists_dir;
+     char *lists_dir;
      const char *pending_dir;
 
      /* options */
diff --git a/libopkg/pkg.c b/libopkg/pkg.c
index 3038b4b..d9bae89 100644
--- a/libopkg/pkg.c
+++ b/libopkg/pkg.c
@@ -144,6 +144,8 @@ int pkg_init(pkg_t *pkg)
 
 void pkg_deinit(pkg_t *pkg)
 {
+     int i;
+
      free(pkg->name);
      pkg->name = NULL;
      pkg->epoch = 0;
@@ -168,18 +170,65 @@ void pkg_deinit(pkg_t *pkg)
      pkg->state_want = SW_UNKNOWN;
      pkg->state_flag = SF_OK;
      pkg->state_status = SS_NOT_INSTALLED;
+
+     for (i = 0; i < pkg->depends_count; i++)
+       free (pkg->depends_str[i]);
      free(pkg->depends_str);
      pkg->depends_str = NULL;
+     pkg->depends_count = 0;
+
+     for (i = 0; i < pkg->provides_count; i++)
+       free (pkg->provides_str[i]);
      free(pkg->provides_str);
      pkg->provides_str = NULL;
-     pkg->depends_count = 0;
-     /* XXX: CLEANUP: MEMORY_LEAK: how to free up pkg->depends ? */
+     pkg->provides_count = 0;
+
+     for (i = 0; i < pkg->conflicts_count; i++)
+       free (pkg->conflicts_str[i]);
+     free(pkg->conflicts_str);
+     pkg->conflicts_str = NULL;
+     pkg->conflicts_count = 0;
+
+     for (i = 0; i < pkg->replaces_count; i++)
+       free (pkg->replaces_str[i]);
+     free(pkg->replaces_str);
+     pkg->replaces_str = NULL;
+     pkg->replaces_count = 0;
+
+     for (i = 0; i < pkg->recommends_count; i++)
+       free (pkg->recommends_str[i]);
+     free(pkg->recommends_str);
+     pkg->recommends_str = NULL;
+     pkg->recommends_count = 0;
+
+     if (pkg->depends)
+     {
+       int count = pkg->pre_depends_count + pkg->depends_count + pkg->recommends_count + pkg->suggests_count;
+       int x;
+
+       for (x = 0; x < count; x++)
+       {
+         compound_depend_t *depends;
+	 depends = &pkg->depends[x];
+
+         for (i = 0; i < depends->possibility_count; i++)
+         {
+           depend_t *d;
+           d = depends->possibilities[i];
+           free (d->version);
+           free (d);
+	 }
+	 free (depends->possibilities);
+       }
+       free (pkg->depends);
+     }
+     free (pkg->provides);
+     free (pkg->conflicts);
+
      pkg->pre_depends_count = 0;
      free(pkg->pre_depends_str);
      pkg->pre_depends_str = NULL;
      pkg->provides_count = 0;
-     /* XXX: CLEANUP: MEMORY_LEAK: how to free up pkg->provides ? */
-     /* XXX: CLEANUP: MEMORY_LEAK: how to free up pkg->suggests ? */
      free(pkg->filename);
      pkg->filename = NULL;
      free(pkg->local_filename);
diff --git a/libopkg/pkg_hash.c b/libopkg/pkg_hash.c
index b293195..580fe6e 100644
--- a/libopkg/pkg_hash.c
+++ b/libopkg/pkg_hash.c
@@ -53,8 +53,34 @@ int pkg_hash_init(const char *name, hash_table_t *hash, int len)
   return hash_table_init(name, hash, len);
 }
 
+void free_pkgs (const char *key, void *entry, void *data)
+{
+  int i;
+  abstract_pkg_t *ab_pkg;
+
+  /* each entry in the hash table is an abstract package, which contains a list
+   * of packages that provide the abstract package */
+  
+  ab_pkg = (abstract_pkg_t*) entry;
+
+  if (ab_pkg->pkgs)
+  {
+    for (i = 0; i < ab_pkg->pkgs->len; i++)
+    {
+      pkg_deinit (ab_pkg->pkgs->pkgs[i]);
+      free (ab_pkg->pkgs->pkgs[i]);
+    }
+  }
+
+  abstract_pkg_vec_free (ab_pkg->provided_by);
+  pkg_vec_free (ab_pkg->pkgs);
+  free (ab_pkg->name);
+  free (ab_pkg);
+}
+
 void pkg_hash_deinit(hash_table_t *hash)
 {
+  hash_table_foreach (hash, free_pkgs, NULL);
   hash_table_deinit(hash);
 }
 
diff --git a/libopkg/pkg_vec.c b/libopkg/pkg_vec.c
index 436622a..72f9d7d 100644
--- a/libopkg/pkg_vec.c
+++ b/libopkg/pkg_vec.c
@@ -36,7 +36,12 @@ pkg_vec_t * pkg_vec_alloc(void)
 
 void pkg_vec_free(pkg_vec_t *vec)
 {
-    free(vec->pkgs);
+    if (!vec)
+      return;
+
+    if (vec->pkgs)
+      free(vec->pkgs);
+
     free(vec);
 }