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Imported Upstream version 1.4.16+git20130902

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Jan Wagner 2013-11-26 23:59:47 +01:00
parent e76be63abf
commit e70fb8c051
517 changed files with 44015 additions and 43295 deletions
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20
gl/base64.c
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@ -1,6 +1,5 @@
/* base64.c -- Encode binary data using printable characters.
Copyright (C) 1999, 2000, 2001, 2004, 2005, 2006, 2009, 2010 Free Software
Foundation, Inc.
Copyright (C) 1999-2001, 2004-2006, 2009-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -13,14 +12,13 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
along with this program; if not, see <http://www.gnu.org/licenses/>. */
/* Written by Simon Josefsson. Partially adapted from GNU MailUtils
* (mailbox/filter_trans.c, as of 2004-11-28). Improved by review
* from Paul Eggert, Bruno Haible, and Stepan Kasal.
*
* See also RFC 3548 <http://www.ietf.org/rfc/rfc3548.txt>.
* See also RFC 4648 <http://www.ietf.org/rfc/rfc4648.txt>.
*
* Be careful with error checking. Here is how you would typically
* use these functions:
@ -55,7 +53,7 @@
#include <string.h>
/* C89 compliant way to cast 'char' to 'unsigned char'. */
static inline unsigned char
static unsigned char
to_uchar (char ch)
{
return ch;
@ -316,7 +314,7 @@ base64_decode_ctx_init (struct base64_decode_context *ctx)
and return CTX->buf. In either case, advance *IN to point to the byte
after the last one processed, and set *N_NON_NEWLINE to the number of
verified non-newline bytes accessible through the returned pointer. */
static inline char *
static char *
get_4 (struct base64_decode_context *ctx,
char const *restrict *in, char const *restrict in_end,
size_t *n_non_newline)
@ -370,7 +368,7 @@ get_4 (struct base64_decode_context *ctx,
as many bytes as possible are written to *OUT. On return, advance
*OUT to point to the byte after the last one written, and decrement
*OUTLEN to reflect the number of bytes remaining in *OUT. */
static inline bool
static bool
decode_4 (char const *restrict in, size_t inlen,
char *restrict *outp, size_t *outleft)
{
@ -553,10 +551,10 @@ base64_decode_alloc_ctx (struct base64_decode_context *ctx,
{
/* This may allocate a few bytes too many, depending on input,
but it's not worth the extra CPU time to compute the exact size.
The exact size is 3 * inlen / 4, minus 1 if the input ends
with "=" and minus another 1 if the input ends with "==".
The exact size is 3 * (inlen + (ctx ? ctx->i : 0)) / 4, minus 1 if the
input ends with "=" and minus another 1 if the input ends with "==".
Dividing before multiplying avoids the possibility of overflow. */
size_t needlen = 3 * (inlen / 4) + 2;
size_t needlen = 3 * (inlen / 4) + 3;
*out = malloc (needlen);
if (!*out)