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fix char assign by -1

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This commit is contained in:
tqcq 2024-03-31 22:07:46 +08:00
parent 3c43c4ff58
commit cb3b220082
1 changed files with 2 additions and 2 deletions
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4
src/sled/strings/base64_decode.inc
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@ -8,11 +8,11 @@ typedef struct {
int
base64_decode_value(char value_in)
{
static const char decoding[]
static const int decoding[]
= {62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -2, -1, -1, -1, 0, 1, 2, 3, 4,
5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1,
26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51};
static const char decoding_size = sizeof(decoding);
static const size_t decoding_size = sizeof(decoding);
value_in -= 43;
if (value_in < 0 || value_in > decoding_size) return -1;
return decoding[(int) value_in];