[glib] glib-compile-resources: do not leak c_name

[Matthias Clasen <matthiasc src gnome org>]

commit 4cda92b587232f7d25cab4b7ef7ba043aad8e506
Author: Roman Lebedev <lebedev ri gmail com>
Date:   Thu Oct 29 14:41:48 2015 +0300

    glib-compile-resources: do not leak c_name
    
    As per #578363, "if one requests e.g. strings via GOptionEntry.arg_data
    then those are strduped and needs to be free'ed by the application."
    
    Fixes following leak:
    
    =================================================================
    ==29426==ERROR: LeakSanitizer: detected memory leaks
    
    Direct leak of 10 byte(s) in 1 object(s) allocated from:
        0 0x7f3ab783d37a in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9437a)
        1 0x7f3ab70f7c82 in g_malloc /home/lebedevri/src/glib/glib/gmem.c:94
        2 0x7f3ab70f7f60 in g_malloc_n /home/lebedevri/src/glib/glib/gmem.c:330
        3 0x7f3ab713258e in g_strndup /home/lebedevri/src/glib/glib/gstrfuncs.c:425
        4 0x7f3ab709c86b in strdup_len /home/lebedevri/src/glib/glib/gconvert.c:864
        5 0x7f3ab709c966 in g_locale_to_utf8 /home/lebedevri/src/glib/glib/gconvert.c:905
        6 0x7f3ab7103c32 in parse_arg /home/lebedevri/src/glib/glib/goption.c:1276
        7 0x7f3ab71066fb in parse_long_option /home/lebedevri/src/glib/glib/goption.c:1670
        8 0x7f3ab7108047 in g_option_context_parse /home/lebedevri/src/glib/glib/goption.c:1997
        9 0x408532 in main /home/lebedevri/src/glib/gio/glib-compile-resources.c:629
        10 0x7f3ab6c72b44 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b44)
    
    https://bugzilla.gnome.org/show_bug.cgi?id=757299

 gio/glib-compile-resources.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/gio/glib-compile-resources.c b/gio/glib-compile-resources.c
index 6d94dea..b84f0e4 100644
--- a/gio/glib-compile-resources.c
+++ b/gio/glib-compile-resources.c
@@ -637,6 +637,7 @@ main (int argc, char **argv)
   if (argc != 2)
     {
       g_printerr (_("You should give exactly one file name\n"));
+      g_free (c_name);
       return 1;
     }
 
@@ -701,6 +702,7 @@ main (int argc, char **argv)
   if ((table = parse_resource_file (srcfile, !generate_dependencies)) == NULL)
     {
       g_free (target);
+      g_free (c_name);
       return 1;
     }
 
@@ -725,6 +727,7 @@ main (int argc, char **argv)
          if (fd == -1)
            {
              g_printerr ("Can't open temp file\n");
+             g_free (c_name);
              return 1;
            }
          close (fd);
@@ -770,6 +773,7 @@ main (int argc, char **argv)
     {
       g_printerr ("%s\n", error->message);
       g_free (target);
+      g_free (c_name);
       return 1;
     }
 
@@ -781,6 +785,7 @@ main (int argc, char **argv)
       if (file == NULL)
        {
          g_printerr ("can't write to file %s", target);
+         g_free (c_name);
          return 1;
        }
 
@@ -817,6 +822,7 @@ main (int argc, char **argv)
                                &data_size, NULL))
        {
          g_printerr ("can't read back temporary file");
+         g_free (c_name);
          return 1;
        }
       g_unlink (binary_target);
@@ -825,6 +831,7 @@ main (int argc, char **argv)
       if (file == NULL)
        {
          g_printerr ("can't write to file %s", target);
+         g_free (c_name);
          return 1;
        }
 
@@ -920,6 +927,7 @@ main (int argc, char **argv)
   g_free (target);
   g_hash_table_destroy (table);
   g_free (xmllint);
+  g_free (c_name);
 
   return 0;
 }