[glib] Fix to handle '\v' (vertical tab) by g_strescape() and g_strcompress().

[Matthias Clasen <matthiasc src gnome org>]

commit 8ca2647c7405d06231ca5e0cfa47621e5086a65a
Author: Ravi Sankar Guntur <ravi g samsung com>
Date:   Tue Dec 20 14:49:53 2011 +0530

    Fix to handle '\v' (vertical tab) by g_strescape() and g_strcompress().
    
    fix enables g_strescape() and g_strcompress() to handle '\v' along with other
    special characters - '\b', '\f', '\n', '\r', '\t', '\'.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=664830
    
    Signed-off-by: Ravi Sankar Guntur <ravi g samsung com>

 glib/gstrfuncs.c      |    9 ++++++++-
 glib/tests/strfuncs.c |   16 ++++++++--------
 2 files changed, 16 insertions(+), 9 deletions(-)
---
diff --git a/glib/gstrfuncs.c b/glib/gstrfuncs.c
index 63e1be9..19365b2 100644
--- a/glib/gstrfuncs.c
+++ b/glib/gstrfuncs.c
@@ -2022,6 +2022,9 @@ g_strcompress (const gchar *source)
             case 't':
               *q++ = '\t';
               break;
+            case 'v':
+              *q++ = '\v';
+              break;
             default:            /* Also handles \" and \\ */
               *q++ = *p;
               break;
@@ -2042,7 +2045,7 @@ out:
  * @source: a string to escape
  * @exceptions: a string of characters not to escape in @source
  *
- * Escapes the special characters '\b', '\f', '\n', '\r', '\t', '\'
+ * Escapes the special characters '\b', '\f', '\n', '\r', '\t', '\v', '\'
  * and '&quot;' in the string @source by inserting a '\' before
  * them. Additionally all characters in the range 0x01-0x1F (everything
  * below SPACE) and in the range 0x7F-0xFF (all non-ASCII chars) are
@@ -2109,6 +2112,10 @@ g_strescape (const gchar *source,
               *q++ = '\\';
               *q++ = 't';
               break;
+            case '\v':
+              *q++ = '\\';
+              *q++ = 'v';
+              break;
             case '\\':
               *q++ = '\\';
               *q++ = '\\';
diff --git a/glib/tests/strfuncs.c b/glib/tests/strfuncs.c
index 3387734..358bc58 100644
--- a/glib/tests/strfuncs.c
+++ b/glib/tests/strfuncs.c
@@ -374,9 +374,9 @@ test_strcompress_strescape (void)
       g_test_trap_assert_failed ();
     }
 
-  str = g_strcompress ("abc\\\\\\\"\\b\\f\\n\\r\\t\\003\\177\\234\\313\\12345z");
+  str = g_strcompress ("abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\003\\177\\234\\313\\12345z");
   g_assert (str != NULL);
-  g_assert_cmpstr (str, ==, "abc\\\"\b\f\n\r\t\003\177\234\313\12345z");
+  g_assert_cmpstr (str, ==, "abc\\\"\b\f\n\r\t\v\003\177\234\313\12345z");
   g_free (str);
 
   /* test escape */
@@ -389,22 +389,22 @@ test_strcompress_strescape (void)
       g_test_trap_assert_failed ();
     }
 
-  str = g_strescape ("abc\\\"\b\f\n\r\t\003\177\234\313", NULL);
+  str = g_strescape ("abc\\\"\b\f\n\r\t\v\003\177\234\313", NULL);
   g_assert (str != NULL);
-  g_assert_cmpstr (str, ==, "abc\\\\\\\"\\b\\f\\n\\r\\t\\003\\177\\234\\313");
+  g_assert_cmpstr (str, ==, "abc\\\\\\\"\\b\\f\\n\\r\\t\\v\\003\\177\\234\\313");
   g_free (str);
 
-  str = g_strescape ("abc\\\"\b\f\n\r\t\003\177\234\313",
+  str = g_strescape ("abc\\\"\b\f\n\r\t\v\003\177\234\313",
 		     "\b\f\001\002\003\004");
   g_assert (str != NULL);
-  g_assert_cmpstr (str, ==, "abc\\\\\\\"\b\f\\n\\r\\t\003\\177\\234\\313");
+  g_assert_cmpstr (str, ==, "abc\\\\\\\"\b\f\\n\\r\\t\\v\003\\177\\234\\313");
   g_free (str);
 
   /* round trip */
-  tmp = g_strescape ("abc\\\"\b\f\n\r\t\003\177\234\313", NULL);
+  tmp = g_strescape ("abc\\\"\b\f\n\r\t\v\003\177\234\313", NULL);
   str = g_strcompress (tmp);
   g_assert (str != NULL); 
-  g_assert_cmpstr (str, ==, "abc\\\"\b\f\n\r\t\003\177\234\313");
+  g_assert_cmpstr (str, ==, "abc\\\"\b\f\n\r\t\v\003\177\234\313");
   g_free (str);
   g_free (tmp);
 }