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Show bad length in base64 decode error message

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Kovid Goyal 2023-01-29 10:17:00 +05:30
parent e1c50cf124
commit 53482f4c84
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 2 additions and 1 deletions
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kitty/charsets.c generated
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@ -295,11 +295,12 @@ static uint8_t b64_decoding_table[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, 0, 0, 0, 0, 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, 0, 0, 0, 0, 0, 0, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
static char length_error[96] = {0};
const char*
base64_decode(const uint32_t *src, size_t src_sz, uint8_t *dest, size_t dest_capacity, size_t *dest_sz) {
if (!src_sz) { *dest_sz = 0; return NULL; }
if (src_sz % 4 != 0) return "base64 encoded data must have a length that is a multiple of four";
if (src_sz % 4 != 0) { snprintf(length_error, sizeof(length_error)-1, "base64 encoded data must have a length that is a multiple of four not: %zd", src_sz); return length_error;}
*dest_sz = (src_sz / 4) * 3;
if (src[src_sz - 1] == '=') (*dest_sz)--;
if (src[src_sz - 2] == '=') (*dest_sz)--;