mirror of https://github.com/tstack/lnav
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
791 B
C
38 lines
791 B
C
int ret = 0;
|
|
const uint8_t *s = (const uint8_t *) src;
|
|
uint8_t *o = (uint8_t *) out;
|
|
uint8_t q;
|
|
|
|
// Use local temporaries to avoid cache thrashing:
|
|
size_t olen = 0;
|
|
size_t slen = srclen;
|
|
struct base64_state st;
|
|
st.eof = state->eof;
|
|
st.bytes = state->bytes;
|
|
st.carry = state->carry;
|
|
|
|
// If we previously saw an EOF or an invalid character, bail out:
|
|
if (st.eof) {
|
|
*outlen = 0;
|
|
ret = 0;
|
|
// If there was a trailing '=' to check, check it:
|
|
if (slen && (st.eof == BASE64_AEOF)) {
|
|
state->bytes = 0;
|
|
state->eof = BASE64_EOF;
|
|
ret = ((base64_table_dec_8bit[*s++] == 254) && (slen == 1)) ? 1 : 0;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// Turn four 6-bit numbers into three bytes:
|
|
// out[0] = 11111122
|
|
// out[1] = 22223333
|
|
// out[2] = 33444444
|
|
|
|
// Duff's device again:
|
|
switch (st.bytes)
|
|
{
|
|
for (;;)
|
|
{
|
|
case 0:
|