libwinpr-utils: add MSB/LSB bit printing
This commit is contained in:
Marc-André Moreau
parent
2cd9649f37
commit
3973775b69
@ -4,7 +4,7 @@
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#include <winpr/stream.h>
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#include <winpr/collections.h>
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const char* BYTE_BIT_STRINGS[256] =
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const char* BYTE_BIT_STRINGS_LSB[256] =
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{
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"00000000", "00000001", "00000010", "00000011",
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"00000100", "00000101", "00000110", "00000111",
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@ -72,36 +72,135 @@ const char* BYTE_BIT_STRINGS[256] =
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"11111100", "11111101", "11111110", "11111111"
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};
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const char* BYTE_BIT_STRINGS_MSB[256] =
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{
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"00000000", "10000000", "01000000", "11000000",
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"00100000", "10100000", "01100000", "11100000",
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"00010000", "10010000", "01010000", "11010000",
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"00110000", "10110000", "01110000", "11110000",
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"00001000", "10001000", "01001000", "11001000",
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"00101000", "10101000", "01101000", "11101000",
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"00011000", "10011000", "01011000", "11011000",
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"00111000", "10111000", "01111000", "11111000",
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"00000100", "10000100", "01000100", "11000100",
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"00100100", "10100100", "01100100", "11100100",
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"00010100", "10010100", "01010100", "11010100",
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"00110100", "10110100", "01110100", "11110100",
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"00001100", "10001100", "01001100", "11001100",
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"00101100", "10101100", "01101100", "11101100",
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"00011100", "10011100", "01011100", "11011100",
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"00111100", "10111100", "01111100", "11111100",
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"00000010", "10000010", "01000010", "11000010",
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"00100010", "10100010", "01100010", "11100010",
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"00010010", "10010010", "01010010", "11010010",
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"00110010", "10110010", "01110010", "11110010",
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"00001010", "10001010", "01001010", "11001010",
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"00101010", "10101010", "01101010", "11101010",
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"00011010", "10011010", "01011010", "11011010",
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"00111010", "10111010", "01111010", "11111010",
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"00000110", "10000110", "01000110", "11000110",
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"00100110", "10100110", "01100110", "11100110",
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"00010110", "10010110", "01010110", "11010110",
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"00110110", "10110110", "01110110", "11110110",
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"00001110", "10001110", "01001110", "11001110",
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"00101110", "10101110", "01101110", "11101110",
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"00011110", "10011110", "01011110", "11011110",
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"00111110", "10111110", "01111110", "11111110",
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"00000001", "10000001", "01000001", "11000001",
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"00100001", "10100001", "01100001", "11100001",
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"00010001", "10010001", "01010001", "11010001",
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"00110001", "10110001", "01110001", "11110001",
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"00001001", "10001001", "01001001", "11001001",
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"00101001", "10101001", "01101001", "11101001",
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"00011001", "10011001", "01011001", "11011001",
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"00111001", "10111001", "01111001", "11111001",
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"00000101", "10000101", "01000101", "11000101",
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"00100101", "10100101", "01100101", "11100101",
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"00010101", "10010101", "01010101", "11010101",
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"00110101", "10110101", "01110101", "11110101",
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"00001101", "10001101", "01001101", "11001101",
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"00101101", "10101101", "01101101", "11101101",
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"00011101", "10011101", "01011101", "11011101",
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"00111101", "10111101", "01111101", "11111101",
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"00000011", "10000011", "01000011", "11000011",
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"00100011", "10100011", "01100011", "11100011",
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"00010011", "10010011", "01010011", "11010011",
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"00110011", "10110011", "01110011", "11110011",
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"00001011", "10001011", "01001011", "11001011",
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"00101011", "10101011", "01101011", "11101011",
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"00011011", "10011011", "01011011", "11011011",
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"00111011", "10111011", "01111011", "11111011",
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"00000111", "10000111", "01000111", "11000111",
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"00100111", "10100111", "01100111", "11100111",
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"00010111", "10010111", "01010111", "11010111",
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"00110111", "10110111", "01110111", "11110111",
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"00001111", "10001111", "01001111", "11001111",
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"00101111", "10101111", "01101111", "11101111",
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"00011111", "10011111", "01011111", "11011111",
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"00111111", "10111111", "01111111", "11111111"
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};
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void BitStrGen()
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{
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DWORD i = 0;
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DWORD i, j;
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char str[64];
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for (i = 0; i < 256; i++)
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for (i = 0; i < 256; )
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{
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str[0] = (i & (1 << 7)) ? '1' : '0';
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str[1] = (i & (1 << 6)) ? '1' : '0';
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str[2] = (i & (1 << 5)) ? '1' : '0';
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str[3] = (i & (1 << 4)) ? '1' : '0';
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str[4] = (i & (1 << 3)) ? '1' : '0';
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str[5] = (i & (1 << 2)) ? '1' : '0';
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str[6] = (i & (1 << 1)) ? '1' : '0';
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str[7] = (i & (1 << 0)) ? '1' : '0';
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str[8] = '\0';
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printf("\t");
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printf("\t\"%s\",\n", str);
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for (j = 0; j < 4; j++)
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{
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if (0)
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{
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/* Least Significant Bit First */
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str[0] = (i & (1 << 7)) ? '1' : '0';
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str[1] = (i & (1 << 6)) ? '1' : '0';
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str[2] = (i & (1 << 5)) ? '1' : '0';
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str[3] = (i & (1 << 4)) ? '1' : '0';
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str[4] = (i & (1 << 3)) ? '1' : '0';
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str[5] = (i & (1 << 2)) ? '1' : '0';
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str[6] = (i & (1 << 1)) ? '1' : '0';
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str[7] = (i & (1 << 0)) ? '1' : '0';
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str[8] = '\0';
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}
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else
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{
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/* Most Significant Bit First */
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str[7] = (i & (1 << 7)) ? '1' : '0';
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str[6] = (i & (1 << 6)) ? '1' : '0';
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str[5] = (i & (1 << 5)) ? '1' : '0';
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str[4] = (i & (1 << 4)) ? '1' : '0';
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str[3] = (i & (1 << 3)) ? '1' : '0';
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str[2] = (i & (1 << 2)) ? '1' : '0';
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str[1] = (i & (1 << 1)) ? '1' : '0';
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str[0] = (i & (1 << 0)) ? '1' : '0';
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str[8] = '\0';
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}
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printf("\"%s\",%s", str, j == 3 ? "" : " ");
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i++;
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}
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printf("\n");
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}
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}
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void BitDump(BYTE* buffer, DWORD length)
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void BitDump(BYTE* buffer, DWORD length, BOOL msbFirst)
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{
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DWORD i;
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int nbits;
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const char* str;
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const char** strs;
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strs = msbFirst ? BYTE_BIT_STRINGS_MSB : BYTE_BIT_STRINGS_LSB;
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for (i = 0; i < length; i += 8)
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{
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str = BYTE_BIT_STRINGS[buffer[i / 8]];
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str = strs[buffer[i / 8]];
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nbits = (length - i) > 8 ? 8 : (length - i);
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@ -121,9 +220,9 @@ void BitStream_Attach(wBitStream* bs, BYTE* buffer, DWORD capacity)
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bs->length = bs->capacity;
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}
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void BitStream_Write_NBits(wBitStream* bs, UINT32 bits, UINT32 nbits)
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void BitStream_Write_Bits(wBitStream* bs, UINT32 bits, UINT32 nbits)
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{
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if ((bs->boffset + nbits) > 8)
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while ((bs->boffset + nbits) >= 8)
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{
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*(bs->pointer) |= (bits << bs->boffset);
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bs->position += (8 - bs->boffset);
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@ -157,15 +256,20 @@ int TestBitStream(int argc, char* argv[])
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BitStream_Attach(bs, buffer, sizeof(buffer));
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BitStream_Write_NBits(bs, 0xAF, 8);
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BitStream_Write_NBits(bs, 0xF, 4);
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BitStream_Write_NBits(bs, 0xA, 4);
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BitStream_Write_Bits(bs, 0xAF, 8); /* 11110101 */
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BitStream_Write_Bits(bs, 0xF, 4); /* 1111 */
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BitStream_Write_Bits(bs, 0xA, 4); /* 0101 */
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BitStream_Write_NBits(bs, 3, 2); /* 11 */
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BitStream_Write_NBits(bs, 0, 3); /* 000 */
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BitStream_Write_NBits(bs, 0x2D, 6); /* 101101 */
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BitStream_Write_Bits(bs, 3, 2); /* 11 */
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BitStream_Write_Bits(bs, 0, 3); /* 000 */
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BitStream_Write_Bits(bs, 0x2D, 6); /* 101101 */
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BitStream_Write_Bits(bs, 0x19, 5); /* 11001 */
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BitDump(buffer, bs->position);
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BitDump(buffer, bs->position, TRUE);
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BitStream_Write_Bits(bs, 0xAF0A, 16);
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BitDump(buffer, bs->position, TRUE);
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BitStream_Free(bs);
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