[Telepathy-commits] [telepathy-salut/master] remove home-made base64 implementation

Guillaume Desmottes guillaume.desmottes at collabora.co.uk
Thu Feb 26 11:20:20 PST 2009


---
 src/Makefile.am |    2 -
 src/base64.c    |  196 -------------------------------------------------------
 src/base64.h    |   28 --------
 3 files changed, 0 insertions(+), 226 deletions(-)
 delete mode 100644 src/base64.c
 delete mode 100644 src/base64.h

diff --git a/src/Makefile.am b/src/Makefile.am
index 909dd80..d19476f 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -15,8 +15,6 @@ libexec_PROGRAMS=telepathy-salut
 noinst_PROGRAMS = write-mgr-file
 
 CORE_SOURCES =                                          \
-    base64.c                                            \
-    base64.h                                            \
     salut-capabilities.c                                \
     salut-capabilities.h                                \
     salut-caps-channel-manager.c                        \
diff --git a/src/base64.c b/src/base64.c
deleted file mode 100644
index 475b903..0000000
--- a/src/base64.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- * base64.c - Base 64 encoding/decoding implementation
- * Copyright (C) 2006 Collabora Ltd.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include "config.h"
-#include "base64.h"
-
-#define DEBUG_FLAG DEBUG_CAPS
-#include "debug.h"
-
-#include <ctype.h>
-#include <string.h>
-
-
-/*
-|AAAA AABB|BBBB CCCC|CCDD DDDD|
-
-0xFC = 1111 1100
-0x03 = 0000 0011
-0xF0 = 1111 0000
-0x0F = 0000 1111
-0xC0 = 1100 0000
-0x3F = 0011 1111
-
-3 input bytes = 4 output bytes;
-2 input bytes = 2 output bytes;
-1 input byte  = 1 output byte.
-*/
-
-static const gchar *encoding =
-  "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-static const guint decoding[256] =
-{
-  /* ... */
-   0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-   0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-   0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-   0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-   0, 0, 0,
-  /* + */
-  62,
-  /* ... */
-   0, 0, 0,
-  /* / , 0-9 */
-  63,
-  52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
-  /* ... */
-   0, 0, 0, 0, 0, 0, 0,
-  /* A */
-   0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12,
-  13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,
-  /* ... */
-   0, 0, 0, 0, 0, 0,
-  /* a */
-  26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38,
-  39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51
-};
-
-#define GET_6_BITS_0(s) (((s)[0] & 0xFC) >> 2)
-#define GET_6_BITS_1(s) (((s)[0] & 0x03) << 4) | \
-                        (((s)[1] & 0xF0) >> 4)
-#define GET_6_BITS_2(s) (((s)[1] & 0x0F) << 2) | \
-                        (((s)[2] & 0xC0) >> 6)
-#define GET_6_BITS_3(s) (((s)[2] & 0x3F) << 0)
-
-#define GET_BYTE_0(s) (((decoding[(guchar)(s)[0]] & 0x3F) << 2) | \
-                       ((decoding[(guchar)(s)[1]] & 0x30) >> 4))
-#define GET_BYTE_1(s) (((decoding[(guchar)(s)[1]] & 0x0F) << 4) | \
-                       ((decoding[(guchar)(s)[2]] & 0x3C) >> 2))
-#define GET_BYTE_2(s) (((decoding[(guchar)(s)[2]] & 0x03) << 6) | \
-                       ((decoding[(guchar)(s)[3]] & 0xFF) << 0))
-
-gchar *base64_encode (guint len, const gchar *str, gboolean split_lines)
-{
-  guint i;
-  GString *tmp;
-
-  /* TODO: calculate requisite output string length and allocate that big a
-   * GString */
-  tmp = g_string_new ("");
-
-  for (i = 0; i < len; i += 3)
-    {
-      guint c1, c2, c3, c4;
-
-      if (split_lines && i > 0 && (i * 4) % 76 == 0)
-          g_string_append_c (tmp, '\n');
-
-      switch (i + 3 - len)
-        {
-        case 1:
-          c1 = encoding[GET_6_BITS_0 (str + i)];
-          c2 = encoding[GET_6_BITS_1 (str + i)];
-          /* can't use GET_6_BITS_2 because str[i+2] is out of range */
-          c3 = encoding[(str[i + 1] & 0x0f) << 2];
-          c4 = '=';
-          break;
-        case 2:
-          c1 = encoding[GET_6_BITS_0 (str + i)];
-          /* can't use GET_6_BITS_1 because str[i+1] is out of range */
-          c2 = encoding[(str[i] & 0x03) << 4];
-          c3 = '=';
-          c4 = '=';
-          break;
-        default:
-          c1 = encoding[GET_6_BITS_0 (str + i)];
-          c2 = encoding[GET_6_BITS_1 (str + i)];
-          c3 = encoding[GET_6_BITS_2 (str + i)];
-          c4 = encoding[GET_6_BITS_3 (str + i)];
-        }
-
-      g_string_append_printf (tmp, "%c%c%c%c", c1, c2, c3, c4);
-    }
-
-  return g_string_free (tmp, FALSE);
-}
-
-GString *base64_decode (const gchar *str)
-{
-  guint i;
-  GString *tmp;
-  char group[4];
-  guint filled = 0;
-
-  for (i = 0; str[i]; i++)
-    {
-      if (str[i] != 'A' &&
-          str[i] != '=' &&
-          !isspace (str[i]) &&
-          decoding[(guchar) str[i]] == 0)
-        {
-          DEBUG ("bad character %x at byte %u", (guchar)str[i], i);
-          return NULL;
-        }
-    }
-
-  tmp = g_string_new ("");
-
-  for (i = 0; str[i]; i++)
-    {
-      if (isspace (str[i]))
-        continue;
-
-      group[filled++] = str[i];
-
-      if (filled == 4)
-        {
-          if (group[3] == '=')
-            {
-              if (group[2] == '=')
-                {
-                  g_string_append_c (tmp, GET_BYTE_0(group));
-                }
-              else
-                {
-                  g_string_append_c (tmp, GET_BYTE_0(group));
-                  g_string_append_c (tmp, GET_BYTE_1(group));
-                }
-             }
-           else
-            {
-              g_string_append_c (tmp, GET_BYTE_0(group));
-              g_string_append_c (tmp, GET_BYTE_1(group));
-              g_string_append_c (tmp, GET_BYTE_2(group));
-            }
-          filled = 0;
-        }
-    }
-
-  if (filled)
-    {
-      DEBUG ("insufficient padding at end of base64 string:\n%s", str);
-      g_string_free (tmp, TRUE);
-      return NULL;
-    }
-
-  return tmp;
-}
-
-
diff --git a/src/base64.h b/src/base64.h
deleted file mode 100644
index 35bd8f4..0000000
--- a/src/base64.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * base64.h - Base 64 encoding/decoding implementation
- * Copyright (C) 2006 Collabora Ltd.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#ifndef __BASE64_H__
-#define __BASE64_H__
-
-#include <glib.h>
-
-gchar *base64_encode (guint len, const gchar *str, gboolean split_lines);
-GString *base64_decode (const gchar *str);
-
-#endif /* __BASE64_H__ */
-- 
1.5.6.5




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