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Diffstat (limited to 'gnulib/lib/base32.h')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/lib/base32.h | 61 |
2 files changed, 61 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/lib/base32.h b/gnulib/lib/base32.h new file mode 100644 index 0000000..8768686 --- /dev/null +++ b/gnulib/lib/base32.h @@ -0,0 +1,61 @@ +/* base32.h -- Encode binary data using printable characters. + Copyright (C) 2004-2006, 2009-2011 Free Software Foundation, Inc. + Adapted from Simon Josefsson's base64 code by Gijs van Tulder. + + 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#ifndef BASE32_H +# define BASE32_H + +/* Get size_t. */ +# include <stddef.h> + +/* Get bool. */ +# include <stdbool.h> + +/* This uses that the expression (n+(k-1))/k means the smallest + integer >= n/k, i.e., the ceiling of n/k. */ +# define BASE32_LENGTH(inlen) ((((inlen) + 4) / 5) * 8) + +struct base32_decode_context +{ + unsigned int i; + char buf[8]; +}; + +extern bool isbase32 (char ch); + +extern void base32_encode (const char *restrict in, size_t inlen, + char *restrict out, size_t outlen); + +extern size_t base32_encode_alloc (const char *in, size_t inlen, char **out); + +extern void base32_decode_ctx_init (struct base32_decode_context *ctx); + +extern bool base32_decode_ctx (struct base32_decode_context *ctx, + const char *restrict in, size_t inlen, + char *restrict out, size_t *outlen); + +extern bool base32_decode_alloc_ctx (struct base32_decode_context *ctx, + const char *in, size_t inlen, + char **out, size_t *outlen); + +#define base32_decode(in, inlen, out, outlen) \ + base32_decode_ctx (NULL, in, inlen, out, outlen) + +#define base32_decode_alloc(in, inlen, out, outlen) \ + base32_decode_alloc_ctx (NULL, in, inlen, out, outlen) + +#endif /* BASE32_H */ |