X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=glib%2Fgbase64.c;h=a6cbea459bca7368383ef476461360fe4d09ed21;hb=49b59e5ac4428a6a99a85d699c3662f96efc4e9d;hp=5839936bdf822db2b172695cbac9bc247caaaa15;hpb=3691194b357aa5a045f8f87658150670834f45c2;p=platform%2Fupstream%2Fglib.git
diff --git a/glib/gbase64.c b/glib/gbase64.c
index 5839936..a6cbea4 100644
--- a/glib/gbase64.c
+++ b/glib/gbase64.c
@@ -14,9 +14,7 @@
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library; if not, see .
*
* This is based on code in camel, written by:
* Michael Zucchi
@@ -39,9 +37,11 @@
*
* Base64 is an encoding that allows a sequence of arbitrary bytes to be
* encoded as a sequence of printable ASCII characters. For the definition
- * of Base64, see RFC
- * 1421 or RFC
- * 2045. Base64 is most commonly used as a MIME transfer encoding
+ * of Base64, see
+ * [RFC 1421](http://www.ietf.org/rfc/rfc1421.txt)
+ * or
+ * [RFC 2045](http://www.ietf.org/rfc/rfc2045.txt).
+ * Base64 is most commonly used as a MIME transfer encoding
* for email.
*
* GLib supports incremental encoding using g_base64_encode_step() and
@@ -81,11 +81,11 @@ static const char base64_alphabet[] =
* @break_lines is typically used when putting base64-encoded data in emails.
* It breaks the lines at 72 columns instead of putting all of the text on
* the same line. This avoids problems with long lines in the email system.
- * Note however that it breaks the lines with LF
- * characters, not CR LF sequences, so the result cannot
- * be passed directly to SMTP or certain other protocols.
+ * Note however that it breaks the lines with `LF` characters, not
+ * `CR LF` sequences, so the result cannot be passed directly to SMTP
+ * or certain other protocols.
*
- * Return value: The number of bytes of output that was written
+ * Returns: The number of bytes of output that was written
*
* Since: 2.12
*/
@@ -192,7 +192,7 @@ g_base64_encode_step (const guchar *in,
* be written to it. It will need up to 4 bytes, or up to 5 bytes if
* line-breaking is enabled.
*
- * Return value: The number of bytes of output that was written
+ * Returns: The number of bytes of output that was written
*
* Since: 2.12
*/
@@ -244,7 +244,7 @@ g_base64_encode_close (gboolean break_lines,
* Encode a sequence of binary data into its Base-64 stringified
* representation.
*
- * Return value: (transfer full): a newly allocated, zero-terminated Base-64
+ * Returns: (transfer full): a newly allocated, zero-terminated Base-64
* encoded string representing @data. The returned string must
* be freed with g_free().
*
@@ -311,7 +311,7 @@ static const unsigned char mime_base64_rank[256] = {
* at least: (@len / 4) * 3 + 3 bytes (+ 3 may be needed in case of non-zero
* state).
*
- * Return value: The number of bytes of output that was written
+ * Returns: The number of bytes of output that was written
*
* Since: 2.12
**/
@@ -344,8 +344,18 @@ g_base64_decode_step (const gchar *in,
/* convert 4 base64 bytes to 3 normal bytes */
v=*save;
i=*state;
- inptr = (const guchar *)in;
+
last[0] = last[1] = 0;
+
+ /* we use the sign in the state to determine if we got a padding character
+ in the previous sequence */
+ if (i < 0)
+ {
+ i = -i;
+ last[0] = '=';
+ }
+
+ inptr = (const guchar *)in;
while (inptr < inend)
{
c = *inptr++;
@@ -369,7 +379,7 @@ g_base64_decode_step (const gchar *in,
}
*save = v;
- *state = i;
+ *state = last[0] == '=' ? -i : i;
return outptr - out;
}
@@ -379,9 +389,11 @@ g_base64_decode_step (const gchar *in,
* @text: zero-terminated string with base64 text to decode
* @out_len: (out): The length of the decoded data is written here
*
- * Decode a sequence of Base-64 encoded text into binary data
+ * Decode a sequence of Base-64 encoded text into binary data. Note
+ * that the returned binary data is not necessarily zero-terminated,
+ * so it should not be used as a character string.
*
- * Return value: (transfer full) (array length=out_len) (element-type guint8):
+ * Returns: (transfer full) (array length=out_len) (element-type guint8):
* newly allocated buffer containing the binary data
* that @text represents. The returned buffer must
* be freed with g_free().
@@ -403,7 +415,7 @@ g_base64_decode (const gchar *text,
input_length = strlen (text);
/* We can use a smaller limit here, since we know the saved state is 0,
- +1 used to avoid calling g_malloc0(0), and hence retruning NULL */
+ +1 used to avoid calling g_malloc0(0), and hence returning NULL */
ret = g_malloc0 ((input_length / 4) * 3 + 1);
*out_len = g_base64_decode_step (text, input_length, ret, &state, &save);
@@ -420,7 +432,7 @@ g_base64_decode (const gchar *text,
* Decode a sequence of Base-64 encoded text into binary data
* by overwriting the input data.
*
- * Return value: (transfer none): The binary data that @text responds. This pointer
+ * Returns: (transfer none): The binary data that @text responds. This pointer
* is the same as the input @text.
*
* Since: 2.20