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author | Andreas Schneider <asn@cryptomilk.org> | 2019-10-31 16:22:20 +0100 |
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committer | Andreas Schneider <asn@cryptomilk.org> | 2019-12-09 16:08:03 +0100 |
commit | fe9991b3c610c8d322714f5697f1cf40cf6aa828 (patch) | |
tree | d30ffafb0dfa6c67e00c065e5911690ac74aa5cf /src/base64.c | |
parent | 159d95c26c4ae31dac884f6dc82daf3a1e9e6e19 (diff) | |
download | libssh-fe9991b3c610c8d322714f5697f1cf40cf6aa828.tar.gz libssh-fe9991b3c610c8d322714f5697f1cf40cf6aa828.tar.xz libssh-fe9991b3c610c8d322714f5697f1cf40cf6aa828.zip |
base64: Reformat _bin_to_base64()
Fixes T188
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Diffstat (limited to 'src/base64.c')
-rw-r--r-- | src/base64.c | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/src/base64.c b/src/base64.c index 372dc65f..0b3fc8be 100644 --- a/src/base64.c +++ b/src/base64.c @@ -234,29 +234,32 @@ static int get_equals(char *string) { } /* thanks sysk for debugging my mess :) */ +static void _bin_to_base64(unsigned char *dest, + const unsigned char source[3], + int len) +{ #define BITS(n) ((1 << (n)) - 1) -static void _bin_to_base64(unsigned char *dest, const unsigned char source[3], - int len) { - switch (len) { - case 1: - dest[0] = alphabet[(source[0] >> 2)]; - dest[1] = alphabet[((source[0] & BITS(2)) << 4)]; - dest[2] = '='; - dest[3] = '='; - break; - case 2: - dest[0] = alphabet[source[0] >> 2]; - dest[1] = alphabet[(source[1] >> 4) | ((source[0] & BITS(2)) << 4)]; - dest[2] = alphabet[(source[1] & BITS(4)) << 2]; - dest[3] = '='; - break; - case 3: - dest[0] = alphabet[(source[0] >> 2)]; - dest[1] = alphabet[(source[1] >> 4) | ((source[0] & BITS(2)) << 4)]; - dest[2] = alphabet[ (source[2] >> 6) | (source[1] & BITS(4)) << 2]; - dest[3] = alphabet[source[2] & BITS(6)]; - break; - } + switch (len) { + case 1: + dest[0] = alphabet[(source[0] >> 2)]; + dest[1] = alphabet[((source[0] & BITS(2)) << 4)]; + dest[2] = '='; + dest[3] = '='; + break; + case 2: + dest[0] = alphabet[source[0] >> 2]; + dest[1] = alphabet[(source[1] >> 4) | ((source[0] & BITS(2)) << 4)]; + dest[2] = alphabet[(source[1] & BITS(4)) << 2]; + dest[3] = '='; + break; + case 3: + dest[0] = alphabet[(source[0] >> 2)]; + dest[1] = alphabet[(source[1] >> 4) | ((source[0] & BITS(2)) << 4)]; + dest[2] = alphabet[(source[2] >> 6) | (source[1] & BITS(4)) << 2]; + dest[3] = alphabet[source[2] & BITS(6)]; + break; + } +#undef BITS } /** |