[file-roller] Fix some memleaks

[Paolo Bacchilega <paobac src gnome org>]

commit 537d738ebbd8f73f4f8c4241c1c64999e6691b39
Author: Pablo Castellano <pablog src gnome org>
Date:   Tue Aug 31 16:56:48 2010 +0200

    Fix some memleaks

 src/file-utils.c |    7 +++++--
 src/java-utils.c |   12 +++++++++---
 2 files changed, 14 insertions(+), 5 deletions(-)
---
diff --git a/src/file-utils.c b/src/file-utils.c
index e152ca0..52adb84 100644
--- a/src/file-utils.c
+++ b/src/file-utils.c
@@ -955,6 +955,7 @@ gboolean
 is_temp_work_dir (const char *dir)
 {
 	int i;
+	const char *folder;
 
 	if (strncmp (dir, "file://", 7) == 0)
 		dir = dir + 7;
@@ -962,14 +963,16 @@ is_temp_work_dir (const char *dir)
 		return FALSE;
 
 	for (i = 0; try_folder[i] != NULL; i++) {
-		const char *folder;
 
 		folder = ith_temp_folder_to_try (i);
 		if (strncmp (dir, folder, strlen (folder)) == 0)
-			if (strncmp (dir + strlen (folder), "/.fr-", 5) == 0)
+			if (strncmp (dir + strlen (folder), "/.fr-", 5) == 0) {
+				g_free (folder);
 				return TRUE;
+			}
 	}
 
+	g_free (folder);
 	return FALSE;
 }
 
diff --git a/src/java-utils.c b/src/java-utils.c
index a5fa9c3..b48bdd0 100644
--- a/src/java-utils.c
+++ b/src/java-utils.c
@@ -162,8 +162,10 @@ load_constant_pool_utfs (JavaClassFile *cfile)
 		case CONST_CLASS:
 			class = g_new0 (struct class_info, 1);
 			class->index = i + 1;
-			if (read (cfile->fd, &class->name_index, 2) != 2)
+			if (read (cfile->fd, &class->name_index, 2) != 2) {
+				g_free (class);
 				return;	/* error reading */
+			}
 			class->name_index = GUINT16_FROM_BE (class->name_index);
 			cfile->const_pool_class = g_slist_append (cfile->const_pool_class, class);
 			break;
@@ -207,12 +209,16 @@ load_constant_pool_utfs (JavaClassFile *cfile)
 		case CONST_UTF8:
 			txt = g_new0 (struct utf_string, 1);
 			txt->index = i + 1;
-			if (read (cfile->fd, &(txt->length), 2) == -1)
+			if (read (cfile->fd, &(txt->length), 2) == -1) {
+				g_free (txt);
 				return;	/* error while reading */
+			}
 			txt->length = GUINT16_FROM_BE (txt->length);
 			txt->str = g_new0 (char, txt->length);
-			if (read (cfile->fd, txt->str, txt->length) == -1)
+			if (read (cfile->fd, txt->str, txt->length) == -1) {
+				g_free (txt);
 				return;	/* error while reading */
+			}
 			cfile->const_pool_utf = g_slist_append (cfile->const_pool_utf, txt);
 			break;