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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:54:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:54:16 +0000 |
commit | 485f6ecd453d8a2fd8b9b9fadea03159d8b50797 (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/lib/gnulib/base64.h | |
parent | Initial commit. (diff) | |
download | grub2-upstream.tar.xz grub2-upstream.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'grub-core/lib/gnulib/base64.h')
-rw-r--r-- | grub-core/lib/gnulib/base64.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/grub-core/lib/gnulib/base64.h b/grub-core/lib/gnulib/base64.h new file mode 100644 index 0000000..392978f --- /dev/null +++ b/grub-core/lib/gnulib/base64.h @@ -0,0 +1,74 @@ +/* base64.h -- Encode binary data using printable characters. + Copyright (C) 2004-2006, 2009-2019 Free Software Foundation, Inc. + Written by Simon Josefsson. + + 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 + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <https://www.gnu.org/licenses/>. */ + +#ifndef BASE64_H +# define BASE64_H + +/* Get size_t. */ +# include <stddef.h> + +#ifndef GRUB_POSIX_BOOL_DEFINED +typedef enum { false = 0, true = 1 } bool; +#define GRUB_POSIX_BOOL_DEFINED 1 +#endif + +#ifndef _GL_ATTRIBUTE_CONST +# define _GL_ATTRIBUTE_CONST /* empty */ +#endif + +# ifdef __cplusplus +extern "C" { +# endif + +/* This uses that the expression (n+(k-1))/k means the smallest + integer >= n/k, i.e., the ceiling of n/k. */ +# define BASE64_LENGTH(inlen) ((((inlen) + 2) / 3) * 4) + +struct base64_decode_context +{ + unsigned int i; + char buf[4]; +}; + +extern bool isbase64 (char ch) _GL_ATTRIBUTE_CONST; + +extern void base64_encode (const char *restrict in, size_t inlen, + char *restrict out, size_t outlen); + +extern size_t base64_encode_alloc (const char *in, size_t inlen, char **out); + +extern void base64_decode_ctx_init (struct base64_decode_context *ctx); + +extern bool base64_decode_ctx (struct base64_decode_context *ctx, + const char *restrict in, size_t inlen, + char *restrict out, size_t *outlen); + +extern bool base64_decode_alloc_ctx (struct base64_decode_context *ctx, + const char *in, size_t inlen, + char **out, size_t *outlen); + +#define base64_decode(in, inlen, out, outlen) \ + base64_decode_ctx (NULL, in, inlen, out, outlen) + +#define base64_decode_alloc(in, inlen, out, outlen) \ + base64_decode_alloc_ctx (NULL, in, inlen, out, outlen) + +# ifdef __cplusplus +} +# endif + +#endif /* BASE64_H */ |