Coverage Report

Created: 2025-03-06 06:58

/src/wget/lib/base32.h
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Source (jump to first uncovered line)
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/* base32.h -- Encode binary data using printable characters.
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   Copyright (C) 2004-2006, 2009-2025 Free Software Foundation, Inc.
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   Adapted from Simon Josefsson's base64 code by Gijs van Tulder.
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   This file is free software: you can redistribute it and/or modify
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   it under the terms of the GNU Lesser General Public License as
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   published by the Free Software Foundation; either version 2.1 of the
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   License, or (at your option) any later version.
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   This file is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public License
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   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
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#ifndef BASE32_H
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#define BASE32_H
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/* This file uses _GL_INLINE_HEADER_BEGIN.  */
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#if !_GL_CONFIG_H_INCLUDED
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 #error "Please include config.h first."
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#endif
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/* Get idx_t.  */
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#include <idx.h>
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/* Pacify GCC in isubase32.  */
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#if 4 < __GNUC__ + (3 <= __GNUC_MINOR__) && !defined __clang__
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# pragma GCC diagnostic ignored "-Wtype-limits"
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#endif
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_GL_INLINE_HEADER_BEGIN
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#ifndef BASE32_INLINE
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# define BASE32_INLINE _GL_INLINE
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* This uses that the expression (n+(k-1))/k means the smallest
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   integer >= n/k, i.e., the ceiling of n/k.  */
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#define BASE32_LENGTH(inlen) ((((inlen) + 4) / 5) * 8)
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struct base32_decode_context
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{
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  int i;
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  char buf[8];
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};
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extern signed char const base32_to_int[256];
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BASE32_INLINE bool
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isubase32 (unsigned char ch)
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{
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  return ch < sizeof base32_to_int && 0 <= base32_to_int[ch];
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0
}
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BASE32_INLINE bool
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isbase32 (char ch)
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{
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  return isubase32 (ch);
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0
}
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extern void base32_encode (const char *restrict in, idx_t inlen,
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                           char *restrict out, idx_t outlen);
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extern idx_t base32_encode_alloc (const char *in, idx_t inlen, char **out);
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/* Initialize decode-context buffer, CTX.  */
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BASE32_INLINE void
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base32_decode_ctx_init (struct base32_decode_context *ctx)
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0
{
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  ctx->i = 0;
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}
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extern bool base32_decode_ctx (struct base32_decode_context *ctx,
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                               const char *restrict in, idx_t inlen,
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                               char *restrict out, idx_t *outlen);
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extern bool base32_decode_alloc_ctx (struct base32_decode_context *ctx,
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                                     const char *in, idx_t inlen,
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                                     char **out, idx_t *outlen);
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#define base32_decode(in, inlen, out, outlen) \
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        base32_decode_ctx (NULL, in, inlen, out, outlen)
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#define base32_decode_alloc(in, inlen, out, outlen) \
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0
        base32_decode_alloc_ctx (NULL, in, inlen, out, outlen)
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#ifdef __cplusplus
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}
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#endif
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_GL_INLINE_HEADER_END
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#endif /* BASE32_H */