Z-Data-0.8.6.0: third_party/fastbase64/src/chromiumbase64.c
#include "chromiumbase64.h"
#define CHAR62 '+'
#define CHAR63 '/'
#define CHARPAD '='
static const char e0[256] = {
'A', 'A', 'A', 'A', 'B', 'B', 'B', 'B', 'C', 'C',
'C', 'C', 'D', 'D', 'D', 'D', 'E', 'E', 'E', 'E',
'F', 'F', 'F', 'F', 'G', 'G', 'G', 'G', 'H', 'H',
'H', 'H', 'I', 'I', 'I', 'I', 'J', 'J', 'J', 'J',
'K', 'K', 'K', 'K', 'L', 'L', 'L', 'L', 'M', 'M',
'M', 'M', 'N', 'N', 'N', 'N', 'O', 'O', 'O', 'O',
'P', 'P', 'P', 'P', 'Q', 'Q', 'Q', 'Q', 'R', 'R',
'R', 'R', 'S', 'S', 'S', 'S', 'T', 'T', 'T', 'T',
'U', 'U', 'U', 'U', 'V', 'V', 'V', 'V', 'W', 'W',
'W', 'W', 'X', 'X', 'X', 'X', 'Y', 'Y', 'Y', 'Y',
'Z', 'Z', 'Z', 'Z', 'a', 'a', 'a', 'a', 'b', 'b',
'b', 'b', 'c', 'c', 'c', 'c', 'd', 'd', 'd', 'd',
'e', 'e', 'e', 'e', 'f', 'f', 'f', 'f', 'g', 'g',
'g', 'g', 'h', 'h', 'h', 'h', 'i', 'i', 'i', 'i',
'j', 'j', 'j', 'j', 'k', 'k', 'k', 'k', 'l', 'l',
'l', 'l', 'm', 'm', 'm', 'm', 'n', 'n', 'n', 'n',
'o', 'o', 'o', 'o', 'p', 'p', 'p', 'p', 'q', 'q',
'q', 'q', 'r', 'r', 'r', 'r', 's', 's', 's', 's',
't', 't', 't', 't', 'u', 'u', 'u', 'u', 'v', 'v',
'v', 'v', 'w', 'w', 'w', 'w', 'x', 'x', 'x', 'x',
'y', 'y', 'y', 'y', 'z', 'z', 'z', 'z', '0', '0',
'0', '0', '1', '1', '1', '1', '2', '2', '2', '2',
'3', '3', '3', '3', '4', '4', '4', '4', '5', '5',
'5', '5', '6', '6', '6', '6', '7', '7', '7', '7',
'8', '8', '8', '8', '9', '9', '9', '9', '+', '+',
'+', '+', '/', '/', '/', '/'
};
static const char e1[256] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', '+', '/', 'A', 'B', 'C', 'D', 'E', 'F',
'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '+', '/', 'A', 'B',
'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'+', '/', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R',
'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b',
'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', '+', '/'
};
static const char e2[256] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x',
'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', '+', '/', 'A', 'B', 'C', 'D', 'E', 'F',
'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '+', '/', 'A', 'B',
'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
'+', '/', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R',
'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b',
'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', '+', '/'
};
/* SPECIAL DECODE TABLES FOR LITTLE ENDIAN (INTEL) CPUS */
static const uint32_t d0[256] = {
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x000000f8, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x000000fc,
0x000000d0, 0x000000d4, 0x000000d8, 0x000000dc, 0x000000e0, 0x000000e4,
0x000000e8, 0x000000ec, 0x000000f0, 0x000000f4, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x00000000,
0x00000004, 0x00000008, 0x0000000c, 0x00000010, 0x00000014, 0x00000018,
0x0000001c, 0x00000020, 0x00000024, 0x00000028, 0x0000002c, 0x00000030,
0x00000034, 0x00000038, 0x0000003c, 0x00000040, 0x00000044, 0x00000048,
0x0000004c, 0x00000050, 0x00000054, 0x00000058, 0x0000005c, 0x00000060,
0x00000064, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x00000068, 0x0000006c, 0x00000070, 0x00000074, 0x00000078,
0x0000007c, 0x00000080, 0x00000084, 0x00000088, 0x0000008c, 0x00000090,
0x00000094, 0x00000098, 0x0000009c, 0x000000a0, 0x000000a4, 0x000000a8,
0x000000ac, 0x000000b0, 0x000000b4, 0x000000b8, 0x000000bc, 0x000000c0,
0x000000c4, 0x000000c8, 0x000000cc, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff
};
static const uint32_t d1[256] = {
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x0000e003, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x0000f003,
0x00004003, 0x00005003, 0x00006003, 0x00007003, 0x00008003, 0x00009003,
0x0000a003, 0x0000b003, 0x0000c003, 0x0000d003, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x00000000,
0x00001000, 0x00002000, 0x00003000, 0x00004000, 0x00005000, 0x00006000,
0x00007000, 0x00008000, 0x00009000, 0x0000a000, 0x0000b000, 0x0000c000,
0x0000d000, 0x0000e000, 0x0000f000, 0x00000001, 0x00001001, 0x00002001,
0x00003001, 0x00004001, 0x00005001, 0x00006001, 0x00007001, 0x00008001,
0x00009001, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x0000a001, 0x0000b001, 0x0000c001, 0x0000d001, 0x0000e001,
0x0000f001, 0x00000002, 0x00001002, 0x00002002, 0x00003002, 0x00004002,
0x00005002, 0x00006002, 0x00007002, 0x00008002, 0x00009002, 0x0000a002,
0x0000b002, 0x0000c002, 0x0000d002, 0x0000e002, 0x0000f002, 0x00000003,
0x00001003, 0x00002003, 0x00003003, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff
};
static const uint32_t d2[256] = {
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x00800f00, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x00c00f00,
0x00000d00, 0x00400d00, 0x00800d00, 0x00c00d00, 0x00000e00, 0x00400e00,
0x00800e00, 0x00c00e00, 0x00000f00, 0x00400f00, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x00000000,
0x00400000, 0x00800000, 0x00c00000, 0x00000100, 0x00400100, 0x00800100,
0x00c00100, 0x00000200, 0x00400200, 0x00800200, 0x00c00200, 0x00000300,
0x00400300, 0x00800300, 0x00c00300, 0x00000400, 0x00400400, 0x00800400,
0x00c00400, 0x00000500, 0x00400500, 0x00800500, 0x00c00500, 0x00000600,
0x00400600, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x00800600, 0x00c00600, 0x00000700, 0x00400700, 0x00800700,
0x00c00700, 0x00000800, 0x00400800, 0x00800800, 0x00c00800, 0x00000900,
0x00400900, 0x00800900, 0x00c00900, 0x00000a00, 0x00400a00, 0x00800a00,
0x00c00a00, 0x00000b00, 0x00400b00, 0x00800b00, 0x00c00b00, 0x00000c00,
0x00400c00, 0x00800c00, 0x00c00c00, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff
};
static const uint32_t d3[256] = {
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x003e0000, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x003f0000,
0x00340000, 0x00350000, 0x00360000, 0x00370000, 0x00380000, 0x00390000,
0x003a0000, 0x003b0000, 0x003c0000, 0x003d0000, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x00000000,
0x00010000, 0x00020000, 0x00030000, 0x00040000, 0x00050000, 0x00060000,
0x00070000, 0x00080000, 0x00090000, 0x000a0000, 0x000b0000, 0x000c0000,
0x000d0000, 0x000e0000, 0x000f0000, 0x00100000, 0x00110000, 0x00120000,
0x00130000, 0x00140000, 0x00150000, 0x00160000, 0x00170000, 0x00180000,
0x00190000, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x001a0000, 0x001b0000, 0x001c0000, 0x001d0000, 0x001e0000,
0x001f0000, 0x00200000, 0x00210000, 0x00220000, 0x00230000, 0x00240000,
0x00250000, 0x00260000, 0x00270000, 0x00280000, 0x00290000, 0x002a0000,
0x002b0000, 0x002c0000, 0x002d0000, 0x002e0000, 0x002f0000, 0x00300000,
0x00310000, 0x00320000, 0x00330000, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff,
0x01ffffff, 0x01ffffff, 0x01ffffff, 0x01ffffff
};
#define BADCHAR 0x01FFFFFF
/**
* you can control if we use padding by commenting out this
* next line. However, I highly recommend you use padding and not
* using it should only be for compatability with a 3rd party.
* Also, 'no padding' is not tested!
*/
#define DOPAD 1
/*
* if we aren't doing padding
* set the pad character to NULL
*/
#ifndef DOPAD
#undef CHARPAD
#define CHARPAD '\0'
#endif
size_t chromium_base64_encode(char* dest, const char* str, size_t len)
{
size_t i = 0;
uint8_t* p = (uint8_t*) dest;
/* unsigned here is important! */
uint8_t t1, t2, t3;
if (len > 2) {
for (; i < len - 2; i += 3) {
t1 = str[i]; t2 = str[i+1]; t3 = str[i+2];
*p++ = e0[t1];
*p++ = e1[((t1 & 0x03) << 4) | ((t2 >> 4) & 0x0F)];
*p++ = e1[((t2 & 0x0F) << 2) | ((t3 >> 6) & 0x03)];
*p++ = e2[t3];
}
}
switch (len - i) {
case 0:
break;
case 1:
t1 = str[i];
*p++ = e0[t1];
*p++ = e1[(t1 & 0x03) << 4];
*p++ = CHARPAD;
*p++ = CHARPAD;
break;
default: /* case 2 */
t1 = str[i]; t2 = str[i+1];
*p++ = e0[t1];
*p++ = e1[((t1 & 0x03) << 4) | ((t2 >> 4) & 0x0F)];
*p++ = e2[(t2 & 0x0F) << 2];
*p++ = CHARPAD;
}
*p = '\0';
return p - (uint8_t*)dest;
}
size_t chromium_base64_decode(char* dest, const char* src, size_t len)
{
if (len == 0) return 0;
#ifdef DOPAD
/*
* if padding is used, then the message must be at least
* 4 chars and be a multiple of 4
*/
if (len < 4 || (len % 4 != 0)) {
return MODP_B64_ERROR; /* error */
}
/* there can be at most 2 pad chars at the end */
if (src[len-1] == CHARPAD) {
len--;
if (src[len -1] == CHARPAD) {
len--;
}
}
#endif
size_t i;
int leftover = len % 4;
size_t chunks = (leftover == 0) ? len / 4 - 1 : len /4;
uint8_t* p = (uint8_t*)dest;
uint32_t x = 0;
const uint8_t* y = (uint8_t*)src;
for (i = 0; i < chunks; ++i, y += 4) {
x = d0[y[0]] | d1[y[1]] | d2[y[2]] | d3[y[3]];
if (x >= BADCHAR) return MODP_B64_ERROR;
*p++ = ((uint8_t*)(&x))[0];
*p++ = ((uint8_t*)(&x))[1];
*p++ = ((uint8_t*)(&x))[2];
}
switch (leftover) {
case 0:
x = d0[y[0]] | d1[y[1]] | d2[y[2]] | d3[y[3]];
if (x >= BADCHAR) return MODP_B64_ERROR;
*p++ = ((uint8_t*)(&x))[0];
*p++ = ((uint8_t*)(&x))[1];
*p = ((uint8_t*)(&x))[2];
return (chunks+1)*3;
break;
case 1: /* with padding this is an impossible case */
x = d0[y[0]];
*p = *((uint8_t*)(&x)); // i.e. first char/byte in int
break;
case 2: // * case 2, 1 output byte */
x = d0[y[0]] | d1[y[1]];
*p = *((uint8_t*)(&x)); // i.e. first char
break;
default: /* case 3, 2 output bytes */
x = d0[y[0]] | d1[y[1]] | d2[y[2]]; /* 0x3c */
*p++ = ((uint8_t*)(&x))[0];
*p = ((uint8_t*)(&x))[1];
break;
}
if (x >= BADCHAR) return MODP_B64_ERROR;
return 3*chunks + (6*leftover)/8;
}