2 * Copyright (C) 2012, 2013
6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is furnished to do
11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 #define GMQCC_PLATFORM_HEADER
29 * Initially this was handled with a table in the gmqcc.h header, but
30 * much to my surprise the contents of the table was duplicated for
31 * each translation unit, causing all these strings to be duplicated
32 * for every .c file it was included into. This method culls back on
33 * it. This is a 'utility' function because the executor also depends
34 * on this for disassembled byte-code.
36 const char *util_instr_str[VINSTR_END] = {
37 "DONE", "MUL_F", "MUL_V", "MUL_FV",
38 "MUL_VF", "DIV_F", "ADD_F", "ADD_V",
39 "SUB_F", "SUB_V", "EQ_F", "EQ_V",
40 "EQ_S", "EQ_E", "EQ_FNC", "NE_F",
41 "NE_V", "NE_S", "NE_E", "NE_FNC",
42 "LE", "GE", "LT", "GT",
43 "LOAD_F", "LOAD_V", "LOAD_S", "LOAD_ENT",
44 "LOAD_FLD", "LOAD_FNC", "ADDRESS", "STORE_F",
45 "STORE_V", "STORE_S", "STORE_ENT", "STORE_FLD",
46 "STORE_FNC", "STOREP_F", "STOREP_V", "STOREP_S",
47 "STOREP_ENT", "STOREP_FLD", "STOREP_FNC", "RETURN",
48 "NOT_F", "NOT_V", "NOT_S", "NOT_ENT",
49 "NOT_FNC", "IF", "IFNOT", "CALL0",
50 "CALL1", "CALL2", "CALL3", "CALL4",
51 "CALL5", "CALL6", "CALL7", "CALL8",
52 "STATE", "GOTO", "AND", "OR",
57 * only required if big endian .. otherwise no need to swap
60 #if PLATFORM_BYTE_ORDER == GMQCC_BYTE_ORDER_BIG
61 static GMQCC_INLINE void util_swap16(uint16_t *d, size_t l) {
63 d[l] = (d[l] << 8) | (d[l] >> 8);
67 static GMQCC_INLINE void util_swap32(uint32_t *d, size_t l) {
70 v = ((d[l] << 8) & 0xFF00FF00) | ((d[l] >> 8) & 0x00FF00FF);
71 d[l] = (v << 16) | (v >> 16);
75 /* Some strange system doesn't like constants that big, AND doesn't recognize an ULL suffix
76 * so let's go the safe way
78 static GMQCC_INLINE void util_swap64(uint32_t *d, size_t l) {
82 v = ((d[l] << 8) & 0xFF00FF00FF00FF00) | ((d[l] >> 8) & 0x00FF00FF00FF00FF);
83 v = ((v << 16) & 0xFFFF0000FFFF0000) | ((v >> 16) & 0x0000FFFF0000FFFF);
84 d[l] = (v << 32) | (v >> 32);
88 for (i = 0; i < l; i += 2) {
97 void util_endianswap(void *_data, size_t length, unsigned int typesize) {
98 # if PLATFORM_BYTE_ORDER == -1 /* runtime check */
99 if (*((char*)&typesize))
102 /* prevent unused warnings */
107 # if PLATFORM_BYTE_ORDER == GMQCC_BYTE_ORDER_LITTLE
113 util_swap16((uint16_t*)_data, length>>1);
116 util_swap32((uint32_t*)_data, length>>2);
119 util_swap64((uint32_t*)_data, length>>3);
122 default: exit(EXIT_FAILURE); /* please blow the fuck up! */
129 * CRC algorithms vary in the width of the polynomial, the value of said polynomial,
130 * the initial value used for the register, weather the bits of each byte are reflected
131 * before being processed, weather the algorithm itself feeds input bytes through the
132 * register or XORs them with a byte from one end and then straight into the table, as
133 * well as (but not limited to the idea of reflected versions) where the final register
134 * value becomes reversed, and finally weather the value itself is used to XOR the final
135 * register value. AS such you can already imagine how painfully annoying CRCs are,
136 * of course we stand to target Quake, which expects it's certain set of rules for proper
137 * calculation of a CRC.
139 * In most traditional CRC algorithms on uses a reflected table driven method where a value
140 * or register is reflected if it's bits are swapped around it's center. For example:
141 * take the bits 0101 is the 4-bit reflection of 1010, and respectfully 0011 would be the
142 * reflection of 1100. Quake however expects a NON-Reflected CRC on the output, but still
143 * requires a final XOR on the values (0xFFFF and 0x0000) this is a standard CCITT CRC-16
144 * which I respectfully as a programmer don't agree with.
146 * So now you know what we target, and why we target it, despite how unsettling it may seem
147 * but those are what Quake seems to request.
150 static const uint16_t util_crc16_table[8][256] = {{
151 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
152 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
153 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
154 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
155 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
156 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
157 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
158 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
159 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
160 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
161 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
162 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
163 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
164 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
165 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
166 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
167 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
168 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
169 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
170 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
171 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
172 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
173 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
174 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
175 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
176 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
177 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
178 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
179 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
180 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
181 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
182 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
184 0x0000, 0x3331, 0x6662, 0x5553, 0xCCC4, 0xFFF5, 0xAAA6, 0x9997,
185 0x89A9, 0xBA98, 0xEFCB, 0xDCFA, 0x456D, 0x765C, 0x230F, 0x103E,
186 0x0373, 0x3042, 0x6511, 0x5620, 0xCFB7, 0xFC86, 0xA9D5, 0x9AE4,
187 0x8ADA, 0xB9EB, 0xECB8, 0xDF89, 0x461E, 0x752F, 0x207C, 0x134D,
188 0x06E6, 0x35D7, 0x6084, 0x53B5, 0xCA22, 0xF913, 0xAC40, 0x9F71,
189 0x8F4F, 0xBC7E, 0xE92D, 0xDA1C, 0x438B, 0x70BA, 0x25E9, 0x16D8,
190 0x0595, 0x36A4, 0x63F7, 0x50C6, 0xC951, 0xFA60, 0xAF33, 0x9C02,
191 0x8C3C, 0xBF0D, 0xEA5E, 0xD96F, 0x40F8, 0x73C9, 0x269A, 0x15AB,
192 0x0DCC, 0x3EFD, 0x6BAE, 0x589F, 0xC108, 0xF239, 0xA76A, 0x945B,
193 0x8465, 0xB754, 0xE207, 0xD136, 0x48A1, 0x7B90, 0x2EC3, 0x1DF2,
194 0x0EBF, 0x3D8E, 0x68DD, 0x5BEC, 0xC27B, 0xF14A, 0xA419, 0x9728,
195 0x8716, 0xB427, 0xE174, 0xD245, 0x4BD2, 0x78E3, 0x2DB0, 0x1E81,
196 0x0B2A, 0x381B, 0x6D48, 0x5E79, 0xC7EE, 0xF4DF, 0xA18C, 0x92BD,
197 0x8283, 0xB1B2, 0xE4E1, 0xD7D0, 0x4E47, 0x7D76, 0x2825, 0x1B14,
198 0x0859, 0x3B68, 0x6E3B, 0x5D0A, 0xC49D, 0xF7AC, 0xA2FF, 0x91CE,
199 0x81F0, 0xB2C1, 0xE792, 0xD4A3, 0x4D34, 0x7E05, 0x2B56, 0x1867,
200 0x1B98, 0x28A9, 0x7DFA, 0x4ECB, 0xD75C, 0xE46D, 0xB13E, 0x820F,
201 0x9231, 0xA100, 0xF453, 0xC762, 0x5EF5, 0x6DC4, 0x3897, 0x0BA6,
202 0x18EB, 0x2BDA, 0x7E89, 0x4DB8, 0xD42F, 0xE71E, 0xB24D, 0x817C,
203 0x9142, 0xA273, 0xF720, 0xC411, 0x5D86, 0x6EB7, 0x3BE4, 0x08D5,
204 0x1D7E, 0x2E4F, 0x7B1C, 0x482D, 0xD1BA, 0xE28B, 0xB7D8, 0x84E9,
205 0x94D7, 0xA7E6, 0xF2B5, 0xC184, 0x5813, 0x6B22, 0x3E71, 0x0D40,
206 0x1E0D, 0x2D3C, 0x786F, 0x4B5E, 0xD2C9, 0xE1F8, 0xB4AB, 0x879A,
207 0x97A4, 0xA495, 0xF1C6, 0xC2F7, 0x5B60, 0x6851, 0x3D02, 0x0E33,
208 0x1654, 0x2565, 0x7036, 0x4307, 0xDA90, 0xE9A1, 0xBCF2, 0x8FC3,
209 0x9FFD, 0xACCC, 0xF99F, 0xCAAE, 0x5339, 0x6008, 0x355B, 0x066A,
210 0x1527, 0x2616, 0x7345, 0x4074, 0xD9E3, 0xEAD2, 0xBF81, 0x8CB0,
211 0x9C8E, 0xAFBF, 0xFAEC, 0xC9DD, 0x504A, 0x637B, 0x3628, 0x0519,
212 0x10B2, 0x2383, 0x76D0, 0x45E1, 0xDC76, 0xEF47, 0xBA14, 0x8925,
213 0x991B, 0xAA2A, 0xFF79, 0xCC48, 0x55DF, 0x66EE, 0x33BD, 0x008C,
214 0x13C1, 0x20F0, 0x75A3, 0x4692, 0xDF05, 0xEC34, 0xB967, 0x8A56,
215 0x9A68, 0xA959, 0xFC0A, 0xCF3B, 0x56AC, 0x659D, 0x30CE, 0x03FF
217 0x0000, 0x3730, 0x6E60, 0x5950, 0xDCC0, 0xEBF0, 0xB2A0, 0x8590,
218 0xA9A1, 0x9E91, 0xC7C1, 0xF0F1, 0x7561, 0x4251, 0x1B01, 0x2C31,
219 0x4363, 0x7453, 0x2D03, 0x1A33, 0x9FA3, 0xA893, 0xF1C3, 0xC6F3,
220 0xEAC2, 0xDDF2, 0x84A2, 0xB392, 0x3602, 0x0132, 0x5862, 0x6F52,
221 0x86C6, 0xB1F6, 0xE8A6, 0xDF96, 0x5A06, 0x6D36, 0x3466, 0x0356,
222 0x2F67, 0x1857, 0x4107, 0x7637, 0xF3A7, 0xC497, 0x9DC7, 0xAAF7,
223 0xC5A5, 0xF295, 0xABC5, 0x9CF5, 0x1965, 0x2E55, 0x7705, 0x4035,
224 0x6C04, 0x5B34, 0x0264, 0x3554, 0xB0C4, 0x87F4, 0xDEA4, 0xE994,
225 0x1DAD, 0x2A9D, 0x73CD, 0x44FD, 0xC16D, 0xF65D, 0xAF0D, 0x983D,
226 0xB40C, 0x833C, 0xDA6C, 0xED5C, 0x68CC, 0x5FFC, 0x06AC, 0x319C,
227 0x5ECE, 0x69FE, 0x30AE, 0x079E, 0x820E, 0xB53E, 0xEC6E, 0xDB5E,
228 0xF76F, 0xC05F, 0x990F, 0xAE3F, 0x2BAF, 0x1C9F, 0x45CF, 0x72FF,
229 0x9B6B, 0xAC5B, 0xF50B, 0xC23B, 0x47AB, 0x709B, 0x29CB, 0x1EFB,
230 0x32CA, 0x05FA, 0x5CAA, 0x6B9A, 0xEE0A, 0xD93A, 0x806A, 0xB75A,
231 0xD808, 0xEF38, 0xB668, 0x8158, 0x04C8, 0x33F8, 0x6AA8, 0x5D98,
232 0x71A9, 0x4699, 0x1FC9, 0x28F9, 0xAD69, 0x9A59, 0xC309, 0xF439,
233 0x3B5A, 0x0C6A, 0x553A, 0x620A, 0xE79A, 0xD0AA, 0x89FA, 0xBECA,
234 0x92FB, 0xA5CB, 0xFC9B, 0xCBAB, 0x4E3B, 0x790B, 0x205B, 0x176B,
235 0x7839, 0x4F09, 0x1659, 0x2169, 0xA4F9, 0x93C9, 0xCA99, 0xFDA9,
236 0xD198, 0xE6A8, 0xBFF8, 0x88C8, 0x0D58, 0x3A68, 0x6338, 0x5408,
237 0xBD9C, 0x8AAC, 0xD3FC, 0xE4CC, 0x615C, 0x566C, 0x0F3C, 0x380C,
238 0x143D, 0x230D, 0x7A5D, 0x4D6D, 0xC8FD, 0xFFCD, 0xA69D, 0x91AD,
239 0xFEFF, 0xC9CF, 0x909F, 0xA7AF, 0x223F, 0x150F, 0x4C5F, 0x7B6F,
240 0x575E, 0x606E, 0x393E, 0x0E0E, 0x8B9E, 0xBCAE, 0xE5FE, 0xD2CE,
241 0x26F7, 0x11C7, 0x4897, 0x7FA7, 0xFA37, 0xCD07, 0x9457, 0xA367,
242 0x8F56, 0xB866, 0xE136, 0xD606, 0x5396, 0x64A6, 0x3DF6, 0x0AC6,
243 0x6594, 0x52A4, 0x0BF4, 0x3CC4, 0xB954, 0x8E64, 0xD734, 0xE004,
244 0xCC35, 0xFB05, 0xA255, 0x9565, 0x10F5, 0x27C5, 0x7E95, 0x49A5,
245 0xA031, 0x9701, 0xCE51, 0xF961, 0x7CF1, 0x4BC1, 0x1291, 0x25A1,
246 0x0990, 0x3EA0, 0x67F0, 0x50C0, 0xD550, 0xE260, 0xBB30, 0x8C00,
247 0xE352, 0xD462, 0x8D32, 0xBA02, 0x3F92, 0x08A2, 0x51F2, 0x66C2,
248 0x4AF3, 0x7DC3, 0x2493, 0x13A3, 0x9633, 0xA103, 0xF853, 0xCF63
250 0x0000, 0x76B4, 0xED68, 0x9BDC, 0xCAF1, 0xBC45, 0x2799, 0x512D,
251 0x85C3, 0xF377, 0x68AB, 0x1E1F, 0x4F32, 0x3986, 0xA25A, 0xD4EE,
252 0x1BA7, 0x6D13, 0xF6CF, 0x807B, 0xD156, 0xA7E2, 0x3C3E, 0x4A8A,
253 0x9E64, 0xE8D0, 0x730C, 0x05B8, 0x5495, 0x2221, 0xB9FD, 0xCF49,
254 0x374E, 0x41FA, 0xDA26, 0xAC92, 0xFDBF, 0x8B0B, 0x10D7, 0x6663,
255 0xB28D, 0xC439, 0x5FE5, 0x2951, 0x787C, 0x0EC8, 0x9514, 0xE3A0,
256 0x2CE9, 0x5A5D, 0xC181, 0xB735, 0xE618, 0x90AC, 0x0B70, 0x7DC4,
257 0xA92A, 0xDF9E, 0x4442, 0x32F6, 0x63DB, 0x156F, 0x8EB3, 0xF807,
258 0x6E9C, 0x1828, 0x83F4, 0xF540, 0xA46D, 0xD2D9, 0x4905, 0x3FB1,
259 0xEB5F, 0x9DEB, 0x0637, 0x7083, 0x21AE, 0x571A, 0xCCC6, 0xBA72,
260 0x753B, 0x038F, 0x9853, 0xEEE7, 0xBFCA, 0xC97E, 0x52A2, 0x2416,
261 0xF0F8, 0x864C, 0x1D90, 0x6B24, 0x3A09, 0x4CBD, 0xD761, 0xA1D5,
262 0x59D2, 0x2F66, 0xB4BA, 0xC20E, 0x9323, 0xE597, 0x7E4B, 0x08FF,
263 0xDC11, 0xAAA5, 0x3179, 0x47CD, 0x16E0, 0x6054, 0xFB88, 0x8D3C,
264 0x4275, 0x34C1, 0xAF1D, 0xD9A9, 0x8884, 0xFE30, 0x65EC, 0x1358,
265 0xC7B6, 0xB102, 0x2ADE, 0x5C6A, 0x0D47, 0x7BF3, 0xE02F, 0x969B,
266 0xDD38, 0xAB8C, 0x3050, 0x46E4, 0x17C9, 0x617D, 0xFAA1, 0x8C15,
267 0x58FB, 0x2E4F, 0xB593, 0xC327, 0x920A, 0xE4BE, 0x7F62, 0x09D6,
268 0xC69F, 0xB02B, 0x2BF7, 0x5D43, 0x0C6E, 0x7ADA, 0xE106, 0x97B2,
269 0x435C, 0x35E8, 0xAE34, 0xD880, 0x89AD, 0xFF19, 0x64C5, 0x1271,
270 0xEA76, 0x9CC2, 0x071E, 0x71AA, 0x2087, 0x5633, 0xCDEF, 0xBB5B,
271 0x6FB5, 0x1901, 0x82DD, 0xF469, 0xA544, 0xD3F0, 0x482C, 0x3E98,
272 0xF1D1, 0x8765, 0x1CB9, 0x6A0D, 0x3B20, 0x4D94, 0xD648, 0xA0FC,
273 0x7412, 0x02A6, 0x997A, 0xEFCE, 0xBEE3, 0xC857, 0x538B, 0x253F,
274 0xB3A4, 0xC510, 0x5ECC, 0x2878, 0x7955, 0x0FE1, 0x943D, 0xE289,
275 0x3667, 0x40D3, 0xDB0F, 0xADBB, 0xFC96, 0x8A22, 0x11FE, 0x674A,
276 0xA803, 0xDEB7, 0x456B, 0x33DF, 0x62F2, 0x1446, 0x8F9A, 0xF92E,
277 0x2DC0, 0x5B74, 0xC0A8, 0xB61C, 0xE731, 0x9185, 0x0A59, 0x7CED,
278 0x84EA, 0xF25E, 0x6982, 0x1F36, 0x4E1B, 0x38AF, 0xA373, 0xD5C7,
279 0x0129, 0x779D, 0xEC41, 0x9AF5, 0xCBD8, 0xBD6C, 0x26B0, 0x5004,
280 0x9F4D, 0xE9F9, 0x7225, 0x0491, 0x55BC, 0x2308, 0xB8D4, 0xCE60,
281 0x1A8E, 0x6C3A, 0xF7E6, 0x8152, 0xD07F, 0xA6CB, 0x3D17, 0x4BA3
283 0x0000, 0xAA51, 0x4483, 0xEED2, 0x8906, 0x2357, 0xCD85, 0x67D4,
284 0x022D, 0xA87C, 0x46AE, 0xECFF, 0x8B2B, 0x217A, 0xCFA8, 0x65F9,
285 0x045A, 0xAE0B, 0x40D9, 0xEA88, 0x8D5C, 0x270D, 0xC9DF, 0x638E,
286 0x0677, 0xAC26, 0x42F4, 0xE8A5, 0x8F71, 0x2520, 0xCBF2, 0x61A3,
287 0x08B4, 0xA2E5, 0x4C37, 0xE666, 0x81B2, 0x2BE3, 0xC531, 0x6F60,
288 0x0A99, 0xA0C8, 0x4E1A, 0xE44B, 0x839F, 0x29CE, 0xC71C, 0x6D4D,
289 0x0CEE, 0xA6BF, 0x486D, 0xE23C, 0x85E8, 0x2FB9, 0xC16B, 0x6B3A,
290 0x0EC3, 0xA492, 0x4A40, 0xE011, 0x87C5, 0x2D94, 0xC346, 0x6917,
291 0x1168, 0xBB39, 0x55EB, 0xFFBA, 0x986E, 0x323F, 0xDCED, 0x76BC,
292 0x1345, 0xB914, 0x57C6, 0xFD97, 0x9A43, 0x3012, 0xDEC0, 0x7491,
293 0x1532, 0xBF63, 0x51B1, 0xFBE0, 0x9C34, 0x3665, 0xD8B7, 0x72E6,
294 0x171F, 0xBD4E, 0x539C, 0xF9CD, 0x9E19, 0x3448, 0xDA9A, 0x70CB,
295 0x19DC, 0xB38D, 0x5D5F, 0xF70E, 0x90DA, 0x3A8B, 0xD459, 0x7E08,
296 0x1BF1, 0xB1A0, 0x5F72, 0xF523, 0x92F7, 0x38A6, 0xD674, 0x7C25,
297 0x1D86, 0xB7D7, 0x5905, 0xF354, 0x9480, 0x3ED1, 0xD003, 0x7A52,
298 0x1FAB, 0xB5FA, 0x5B28, 0xF179, 0x96AD, 0x3CFC, 0xD22E, 0x787F,
299 0x22D0, 0x8881, 0x6653, 0xCC02, 0xABD6, 0x0187, 0xEF55, 0x4504,
300 0x20FD, 0x8AAC, 0x647E, 0xCE2F, 0xA9FB, 0x03AA, 0xED78, 0x4729,
301 0x268A, 0x8CDB, 0x6209, 0xC858, 0xAF8C, 0x05DD, 0xEB0F, 0x415E,
302 0x24A7, 0x8EF6, 0x6024, 0xCA75, 0xADA1, 0x07F0, 0xE922, 0x4373,
303 0x2A64, 0x8035, 0x6EE7, 0xC4B6, 0xA362, 0x0933, 0xE7E1, 0x4DB0,
304 0x2849, 0x8218, 0x6CCA, 0xC69B, 0xA14F, 0x0B1E, 0xE5CC, 0x4F9D,
305 0x2E3E, 0x846F, 0x6ABD, 0xC0EC, 0xA738, 0x0D69, 0xE3BB, 0x49EA,
306 0x2C13, 0x8642, 0x6890, 0xC2C1, 0xA515, 0x0F44, 0xE196, 0x4BC7,
307 0x33B8, 0x99E9, 0x773B, 0xDD6A, 0xBABE, 0x10EF, 0xFE3D, 0x546C,
308 0x3195, 0x9BC4, 0x7516, 0xDF47, 0xB893, 0x12C2, 0xFC10, 0x5641,
309 0x37E2, 0x9DB3, 0x7361, 0xD930, 0xBEE4, 0x14B5, 0xFA67, 0x5036,
310 0x35CF, 0x9F9E, 0x714C, 0xDB1D, 0xBCC9, 0x1698, 0xF84A, 0x521B,
311 0x3B0C, 0x915D, 0x7F8F, 0xD5DE, 0xB20A, 0x185B, 0xF689, 0x5CD8,
312 0x3921, 0x9370, 0x7DA2, 0xD7F3, 0xB027, 0x1A76, 0xF4A4, 0x5EF5,
313 0x3F56, 0x9507, 0x7BD5, 0xD184, 0xB650, 0x1C01, 0xF2D3, 0x5882,
314 0x3D7B, 0x972A, 0x79F8, 0xD3A9, 0xB47D, 0x1E2C, 0xF0FE, 0x5AAF
316 0x0000, 0x45A0, 0x8B40, 0xCEE0, 0x06A1, 0x4301, 0x8DE1, 0xC841,
317 0x0D42, 0x48E2, 0x8602, 0xC3A2, 0x0BE3, 0x4E43, 0x80A3, 0xC503,
318 0x1A84, 0x5F24, 0x91C4, 0xD464, 0x1C25, 0x5985, 0x9765, 0xD2C5,
319 0x17C6, 0x5266, 0x9C86, 0xD926, 0x1167, 0x54C7, 0x9A27, 0xDF87,
320 0x3508, 0x70A8, 0xBE48, 0xFBE8, 0x33A9, 0x7609, 0xB8E9, 0xFD49,
321 0x384A, 0x7DEA, 0xB30A, 0xF6AA, 0x3EEB, 0x7B4B, 0xB5AB, 0xF00B,
322 0x2F8C, 0x6A2C, 0xA4CC, 0xE16C, 0x292D, 0x6C8D, 0xA26D, 0xE7CD,
323 0x22CE, 0x676E, 0xA98E, 0xEC2E, 0x246F, 0x61CF, 0xAF2F, 0xEA8F,
324 0x6A10, 0x2FB0, 0xE150, 0xA4F0, 0x6CB1, 0x2911, 0xE7F1, 0xA251,
325 0x6752, 0x22F2, 0xEC12, 0xA9B2, 0x61F3, 0x2453, 0xEAB3, 0xAF13,
326 0x7094, 0x3534, 0xFBD4, 0xBE74, 0x7635, 0x3395, 0xFD75, 0xB8D5,
327 0x7DD6, 0x3876, 0xF696, 0xB336, 0x7B77, 0x3ED7, 0xF037, 0xB597,
328 0x5F18, 0x1AB8, 0xD458, 0x91F8, 0x59B9, 0x1C19, 0xD2F9, 0x9759,
329 0x525A, 0x17FA, 0xD91A, 0x9CBA, 0x54FB, 0x115B, 0xDFBB, 0x9A1B,
330 0x459C, 0x003C, 0xCEDC, 0x8B7C, 0x433D, 0x069D, 0xC87D, 0x8DDD,
331 0x48DE, 0x0D7E, 0xC39E, 0x863E, 0x4E7F, 0x0BDF, 0xC53F, 0x809F,
332 0xD420, 0x9180, 0x5F60, 0x1AC0, 0xD281, 0x9721, 0x59C1, 0x1C61,
333 0xD962, 0x9CC2, 0x5222, 0x1782, 0xDFC3, 0x9A63, 0x5483, 0x1123,
334 0xCEA4, 0x8B04, 0x45E4, 0x0044, 0xC805, 0x8DA5, 0x4345, 0x06E5,
335 0xC3E6, 0x8646, 0x48A6, 0x0D06, 0xC547, 0x80E7, 0x4E07, 0x0BA7,
336 0xE128, 0xA488, 0x6A68, 0x2FC8, 0xE789, 0xA229, 0x6CC9, 0x2969,
337 0xEC6A, 0xA9CA, 0x672A, 0x228A, 0xEACB, 0xAF6B, 0x618B, 0x242B,
338 0xFBAC, 0xBE0C, 0x70EC, 0x354C, 0xFD0D, 0xB8AD, 0x764D, 0x33ED,
339 0xF6EE, 0xB34E, 0x7DAE, 0x380E, 0xF04F, 0xB5EF, 0x7B0F, 0x3EAF,
340 0xBE30, 0xFB90, 0x3570, 0x70D0, 0xB891, 0xFD31, 0x33D1, 0x7671,
341 0xB372, 0xF6D2, 0x3832, 0x7D92, 0xB5D3, 0xF073, 0x3E93, 0x7B33,
342 0xA4B4, 0xE114, 0x2FF4, 0x6A54, 0xA215, 0xE7B5, 0x2955, 0x6CF5,
343 0xA9F6, 0xEC56, 0x22B6, 0x6716, 0xAF57, 0xEAF7, 0x2417, 0x61B7,
344 0x8B38, 0xCE98, 0x0078, 0x45D8, 0x8D99, 0xC839, 0x06D9, 0x4379,
345 0x867A, 0xC3DA, 0x0D3A, 0x489A, 0x80DB, 0xC57B, 0x0B9B, 0x4E3B,
346 0x91BC, 0xD41C, 0x1AFC, 0x5F5C, 0x971D, 0xD2BD, 0x1C5D, 0x59FD,
347 0x9CFE, 0xD95E, 0x17BE, 0x521E, 0x9A5F, 0xDFFF, 0x111F, 0x54BF
349 0x0000, 0xB861, 0x60E3, 0xD882, 0xC1C6, 0x79A7, 0xA125, 0x1944,
350 0x93AD, 0x2BCC, 0xF34E, 0x4B2F, 0x526B, 0xEA0A, 0x3288, 0x8AE9,
351 0x377B, 0x8F1A, 0x5798, 0xEFF9, 0xF6BD, 0x4EDC, 0x965E, 0x2E3F,
352 0xA4D6, 0x1CB7, 0xC435, 0x7C54, 0x6510, 0xDD71, 0x05F3, 0xBD92,
353 0x6EF6, 0xD697, 0x0E15, 0xB674, 0xAF30, 0x1751, 0xCFD3, 0x77B2,
354 0xFD5B, 0x453A, 0x9DB8, 0x25D9, 0x3C9D, 0x84FC, 0x5C7E, 0xE41F,
355 0x598D, 0xE1EC, 0x396E, 0x810F, 0x984B, 0x202A, 0xF8A8, 0x40C9,
356 0xCA20, 0x7241, 0xAAC3, 0x12A2, 0x0BE6, 0xB387, 0x6B05, 0xD364,
357 0xDDEC, 0x658D, 0xBD0F, 0x056E, 0x1C2A, 0xA44B, 0x7CC9, 0xC4A8,
358 0x4E41, 0xF620, 0x2EA2, 0x96C3, 0x8F87, 0x37E6, 0xEF64, 0x5705,
359 0xEA97, 0x52F6, 0x8A74, 0x3215, 0x2B51, 0x9330, 0x4BB2, 0xF3D3,
360 0x793A, 0xC15B, 0x19D9, 0xA1B8, 0xB8FC, 0x009D, 0xD81F, 0x607E,
361 0xB31A, 0x0B7B, 0xD3F9, 0x6B98, 0x72DC, 0xCABD, 0x123F, 0xAA5E,
362 0x20B7, 0x98D6, 0x4054, 0xF835, 0xE171, 0x5910, 0x8192, 0x39F3,
363 0x8461, 0x3C00, 0xE482, 0x5CE3, 0x45A7, 0xFDC6, 0x2544, 0x9D25,
364 0x17CC, 0xAFAD, 0x772F, 0xCF4E, 0xD60A, 0x6E6B, 0xB6E9, 0x0E88,
365 0xABF9, 0x1398, 0xCB1A, 0x737B, 0x6A3F, 0xD25E, 0x0ADC, 0xB2BD,
366 0x3854, 0x8035, 0x58B7, 0xE0D6, 0xF992, 0x41F3, 0x9971, 0x2110,
367 0x9C82, 0x24E3, 0xFC61, 0x4400, 0x5D44, 0xE525, 0x3DA7, 0x85C6,
368 0x0F2F, 0xB74E, 0x6FCC, 0xD7AD, 0xCEE9, 0x7688, 0xAE0A, 0x166B,
369 0xC50F, 0x7D6E, 0xA5EC, 0x1D8D, 0x04C9, 0xBCA8, 0x642A, 0xDC4B,
370 0x56A2, 0xEEC3, 0x3641, 0x8E20, 0x9764, 0x2F05, 0xF787, 0x4FE6,
371 0xF274, 0x4A15, 0x9297, 0x2AF6, 0x33B2, 0x8BD3, 0x5351, 0xEB30,
372 0x61D9, 0xD9B8, 0x013A, 0xB95B, 0xA01F, 0x187E, 0xC0FC, 0x789D,
373 0x7615, 0xCE74, 0x16F6, 0xAE97, 0xB7D3, 0x0FB2, 0xD730, 0x6F51,
374 0xE5B8, 0x5DD9, 0x855B, 0x3D3A, 0x247E, 0x9C1F, 0x449D, 0xFCFC,
375 0x416E, 0xF90F, 0x218D, 0x99EC, 0x80A8, 0x38C9, 0xE04B, 0x582A,
376 0xD2C3, 0x6AA2, 0xB220, 0x0A41, 0x1305, 0xAB64, 0x73E6, 0xCB87,
377 0x18E3, 0xA082, 0x7800, 0xC061, 0xD925, 0x6144, 0xB9C6, 0x01A7,
378 0x8B4E, 0x332F, 0xEBAD, 0x53CC, 0x4A88, 0xF2E9, 0x2A6B, 0x920A,
379 0x2F98, 0x97F9, 0x4F7B, 0xF71A, 0xEE5E, 0x563F, 0x8EBD, 0x36DC,
380 0xBC35, 0x0454, 0xDCD6, 0x64B7, 0x7DF3, 0xC592, 0x1D10, 0xA571
382 0x0000, 0x47D3, 0x8FA6, 0xC875, 0x0F6D, 0x48BE, 0x80CB, 0xC718,
383 0x1EDA, 0x5909, 0x917C, 0xD6AF, 0x11B7, 0x5664, 0x9E11, 0xD9C2,
384 0x3DB4, 0x7A67, 0xB212, 0xF5C1, 0x32D9, 0x750A, 0xBD7F, 0xFAAC,
385 0x236E, 0x64BD, 0xACC8, 0xEB1B, 0x2C03, 0x6BD0, 0xA3A5, 0xE476,
386 0x7B68, 0x3CBB, 0xF4CE, 0xB31D, 0x7405, 0x33D6, 0xFBA3, 0xBC70,
387 0x65B2, 0x2261, 0xEA14, 0xADC7, 0x6ADF, 0x2D0C, 0xE579, 0xA2AA,
388 0x46DC, 0x010F, 0xC97A, 0x8EA9, 0x49B1, 0x0E62, 0xC617, 0x81C4,
389 0x5806, 0x1FD5, 0xD7A0, 0x9073, 0x576B, 0x10B8, 0xD8CD, 0x9F1E,
390 0xF6D0, 0xB103, 0x7976, 0x3EA5, 0xF9BD, 0xBE6E, 0x761B, 0x31C8,
391 0xE80A, 0xAFD9, 0x67AC, 0x207F, 0xE767, 0xA0B4, 0x68C1, 0x2F12,
392 0xCB64, 0x8CB7, 0x44C2, 0x0311, 0xC409, 0x83DA, 0x4BAF, 0x0C7C,
393 0xD5BE, 0x926D, 0x5A18, 0x1DCB, 0xDAD3, 0x9D00, 0x5575, 0x12A6,
394 0x8DB8, 0xCA6B, 0x021E, 0x45CD, 0x82D5, 0xC506, 0x0D73, 0x4AA0,
395 0x9362, 0xD4B1, 0x1CC4, 0x5B17, 0x9C0F, 0xDBDC, 0x13A9, 0x547A,
396 0xB00C, 0xF7DF, 0x3FAA, 0x7879, 0xBF61, 0xF8B2, 0x30C7, 0x7714,
397 0xAED6, 0xE905, 0x2170, 0x66A3, 0xA1BB, 0xE668, 0x2E1D, 0x69CE,
398 0xFD81, 0xBA52, 0x7227, 0x35F4, 0xF2EC, 0xB53F, 0x7D4A, 0x3A99,
399 0xE35B, 0xA488, 0x6CFD, 0x2B2E, 0xEC36, 0xABE5, 0x6390, 0x2443,
400 0xC035, 0x87E6, 0x4F93, 0x0840, 0xCF58, 0x888B, 0x40FE, 0x072D,
401 0xDEEF, 0x993C, 0x5149, 0x169A, 0xD182, 0x9651, 0x5E24, 0x19F7,
402 0x86E9, 0xC13A, 0x094F, 0x4E9C, 0x8984, 0xCE57, 0x0622, 0x41F1,
403 0x9833, 0xDFE0, 0x1795, 0x5046, 0x975E, 0xD08D, 0x18F8, 0x5F2B,
404 0xBB5D, 0xFC8E, 0x34FB, 0x7328, 0xB430, 0xF3E3, 0x3B96, 0x7C45,
405 0xA587, 0xE254, 0x2A21, 0x6DF2, 0xAAEA, 0xED39, 0x254C, 0x629F,
406 0x0B51, 0x4C82, 0x84F7, 0xC324, 0x043C, 0x43EF, 0x8B9A, 0xCC49,
407 0x158B, 0x5258, 0x9A2D, 0xDDFE, 0x1AE6, 0x5D35, 0x9540, 0xD293,
408 0x36E5, 0x7136, 0xB943, 0xFE90, 0x3988, 0x7E5B, 0xB62E, 0xF1FD,
409 0x283F, 0x6FEC, 0xA799, 0xE04A, 0x2752, 0x6081, 0xA8F4, 0xEF27,
410 0x7039, 0x37EA, 0xFF9F, 0xB84C, 0x7F54, 0x3887, 0xF0F2, 0xB721,
411 0x6EE3, 0x2930, 0xE145, 0xA696, 0x618E, 0x265D, 0xEE28, 0xA9FB,
412 0x4D8D, 0x0A5E, 0xC22B, 0x85F8, 0x42E0, 0x0533, 0xCD46, 0x8A95,
413 0x5357, 0x1484, 0xDCF1, 0x9B22, 0x5C3A, 0x1BE9, 0xD39C, 0x944F
416 /* Non - Reflected */
417 uint16_t util_crc16(uint16_t current, const char *k, size_t len) {
418 register uint16_t h = current;
420 /* don't load twice */
421 uint8_t *GMQCC_RESTRICT data = (uint8_t *GMQCC_RESTRICT)k;
424 /* deal with the first bytes as bytes until we reach an 8 byte boundary */
426 h = (uint16_t)(h << 8) ^ (*util_crc16_table)[(h >> 8) ^ *data++];
430 #define SELECT_BULK(X, MOD) util_crc16_table[(X)][data[7-(X)] ^ (MOD)]
431 #define SELECT_DATA(X) util_crc16_table[(X)][data[7-(X)]]
433 for (n = len / 8; n; --n) {
434 h = SELECT_BULK(7, (h >> 8)) ^
435 SELECT_BULK(6, (h & 0xFF)) ^
445 /* deal with the rest with the byte method */
446 for (n = len & 7; n; --n)
447 h = (uint16_t)(h << 8) ^ (*util_crc16_table)[(h >> 8) ^ *data++];
453 /* for reference: table generated with this: */
454 /* compile with cc -std=c99 */
456 for (unsigned i = 0; i < 0x100; ++i) {
458 for (int j = 0; j < 8; ++j)
459 x = (x << 1) ^ ((x & 0x8000) ? 0x1021 : 0);
462 for (unsigned i = 0; i < 0x100; ++i) {
463 uint16_t c = tab[0][i];
464 for (unsigned j = 1; j < 8; ++j) {
465 c = tab[0][c >> 8] ^ (c << 8);
470 printf("static const uint16_t util_crc16_table[8][256] = {");
471 for (int i = 0; i < 8; ++i) {
473 for (int j = 0; j < 0x100; ++j) {
474 printf((j & 7) ? " " : " ");
475 printf((j != 0x100-1) ? "0x%04X," : "0x%04X", tab[i][j]);
479 printf((i != 7) ? "}," : "}");
487 * modifier is the match to make and the transposition from it, while add is the upper-value that determines the
488 * transposition from uppercase to lower case.
490 static GMQCC_INLINE size_t util_strtransform(const char *in, char *out, size_t outsz, const char *mod, int add) {
492 for (; *in && sz < outsz; ++in, ++out, ++sz) {
493 *out = (*in == mod[0])
495 : (util_isalpha(*in) && ((add > 0) ? util_isupper(*in) : !util_isupper(*in)))
503 size_t util_strtocmd(const char *in, char *out, size_t outsz) {
504 return util_strtransform(in, out, outsz, "-_", 'A'-'a');
506 size_t util_strtononcmd(const char *in, char *out, size_t outsz) {
507 return util_strtransform(in, out, outsz, "_-", 'a'-'A');
509 size_t util_optimizationtostr(const char *in, char *out, size_t outsz) {
510 return util_strtransform(in, out, outsz, "_ ", 'a'-'A');
513 int util_snprintf(char *str, size_t size, const char *fmt, ...) {
518 ret = platform_vsnprintf(str, size, fmt, arg);
524 int util_asprintf(char **ret, const char *fmt, ...) {
529 read = platform_vasprintf(ret, fmt, args);
535 int util_sscanf(const char *str, const char *format, ...) {
539 va_start(args, format);
540 read = platform_vsscanf(str, format, args);
546 char *util_strncpy(char *dest, const char *src, size_t n) {
547 return platform_strncpy(dest, src, n);
549 char *util_strncat(char *dest, const char *src, size_t n) {
550 return platform_strncat(dest, src, n);
552 char *util_strcat(char *dest, const char *src) {
553 return platform_strcat(dest, src);
555 const char *util_strerror(int err) {
556 return platform_strerror(err);
559 const struct tm *util_localtime(const time_t *timer) {
560 return platform_localtime(timer);
562 const char *util_ctime(const time_t *timer) {
563 return platform_ctime(timer);
566 bool util_isatty(fs_file_t *file) {
567 if (file == (fs_file_t*)stdout) return !!platform_isatty(STDOUT_FILENO);
568 if (file == (fs_file_t*)stderr) return !!platform_isatty(STDERR_FILENO);
572 * A small noncryptographic PRNG based on:
573 * http://burtleburtle.net/bob/rand/smallprng.html
575 static uint32_t util_rand_state[4] = {
576 0xF1EA5EED, 0x00000000,
577 0x00000000, 0x00000000
580 #define util_rand_rot(X, Y) (((X)<<(Y))|((X)>>(32-(Y))))
582 uint32_t util_rand() {
585 last = util_rand_state[0] - util_rand_rot(util_rand_state[1], 27);
586 util_rand_state[0] = util_rand_state[1] ^ util_rand_rot(util_rand_state[2], 17);
587 util_rand_state[1] = util_rand_state[2] + util_rand_state[3];
588 util_rand_state[2] = util_rand_state[3] + last;
589 util_rand_state[3] = util_rand_state[0] + last;
591 return util_rand_state[3];
596 void util_seed(uint32_t value) {
599 util_rand_state[0] = 0xF1EA5EED;
600 util_rand_state[1] = value;
601 util_rand_state[2] = value;
602 util_rand_state[3] = value;
604 for (i = 0; i < 20; ++i)