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27 unsigned long long mem_ab = 0;
28 unsigned long long mem_db = 0;
29 unsigned long long mem_at = 0;
30 unsigned long long mem_dt = 0;
38 void *util_memory_a(unsigned int byte, unsigned int line, const char *file) {
39 struct memblock_t *info = malloc(sizeof(struct memblock_t) + byte);
40 void *data =(void*)((uintptr_t)info+sizeof(struct memblock_t));
41 if (!data) return NULL;
46 util_debug("MEM", "allocation: % 8u (bytes) address 0x%08X @ %s:%u\n", byte, data, file, line);
52 void util_memory_d(void *ptrn, unsigned int line, const char *file) {
54 void *data = (void*)((uintptr_t)ptrn-sizeof(struct memblock_t));
55 struct memblock_t *info = (struct memblock_t*)data;
57 util_debug("MEM", "released: % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, data, file, line);
67 util_debug("MEM", "Memory information:\n\
68 Total allocations: %llu\n\
69 Total deallocations: %llu\n\
70 Total allocated: %llu (bytes)\n\
71 Total deallocated: %llu (bytes)\n\
72 Leaks found: lost %llu (bytes) in %d allocations\n",
81 * Some string utility functions, because strdup uses malloc, and we want
82 * to track all memory (without replacing malloc).
84 char *util_strdup(const char *s) {
91 if ((len = strlen(s)) && (ptr = mem_a(len+1))) {
99 * Remove quotes from a string, escapes from \ in string
100 * as well. This function shouldn't be used to create a
101 * char array that is later freed (it uses pointer arith)
103 char *util_strrq(char *s) {
107 while ((chr = *src++) != '\0') {
110 if ((chr = *src++) == '\0')
113 } else if (chr != '"')
121 * Remove newline from a string (if it exists). This is
122 * done pointer wise instead of strlen(), and an array
125 char *util_strrnl(char *src) {
126 if (!src) return NULL;
128 while (*cpy && *cpy != '\n')
135 void util_debug(const char *area, const char *ms, ...) {
141 fprintf (stdout, "DEBUG: ");
143 fprintf(stdout, "%s", area);
144 fputs ("] ", stdout);
145 vfprintf(stdout, ms, va);
150 * Endianess swapping, all data must be stored little-endian. This
151 * reorders by stride and length, much nicer than other functions for
152 * certian-sized types like short or int.
154 void util_endianswap(void *m, int s, int l) {
158 /* ignore if we're already LE */
163 for(; i < s << 1; i++) {
164 unsigned char *p = (unsigned char *)m+w*s;
165 unsigned char t = p[i];
173 * This is an implementation of CRC32 & CRC16. The polynomials have been
174 * offline computed for faster generation at the cost of larger code size.
176 * CRC32 Polynomial: 0xEDB88320
177 * CRC16 Polynomial: 0x00001021
179 static const uint32_t util_crc32_table[] = {
180 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F,
181 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
182 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2,
183 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
184 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
185 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
186 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C,
187 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
188 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423,
189 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
190 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106,
191 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
192 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D,
193 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
194 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
195 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
196 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7,
197 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
198 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA,
199 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
200 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81,
201 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
202 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84,
203 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
204 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
205 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
206 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E,
207 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
208 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55,
209 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
210 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28,
211 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
212 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F,
213 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
214 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
215 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
216 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69,
217 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
218 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC,
219 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
220 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693,
221 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
222 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
224 static const uint16_t util_crc16_table[] = {
225 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5,
226 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B,
227 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,
228 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
229 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C,
230 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,
231 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B,
232 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
233 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,
234 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738,
235 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5,
236 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
237 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969,
238 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96,
239 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,
240 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
241 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03,
242 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,
243 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6,
244 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
245 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,
246 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB,
247 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1,
248 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
249 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C,
250 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2,
251 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,
252 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
253 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447,
254 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,
255 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2,
256 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
257 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,
258 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827,
259 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C,
260 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
261 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0,
262 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D,
263 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,
264 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
265 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA,
266 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,
267 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
271 * Implements a CRC function for X worth bits using (uint[X]_t)
272 * as type. and util_crc[X]_table.
275 uint##X##_t util_crc##X(const char *k, int len, const short clamp) { \
276 register uint##X##_t h= (uint##X##_t)0xFFFFFFFF; \
277 for (; len; --len, ++k) \
278 h = util_crc##X##_table[(h^((unsigned char)*k))&0xFF]^(h>>8); \
286 * Implements libc getline for systems that don't have it, which is
287 * assmed all. This works the same as getline().
289 int util_getline(char **lineptr, size_t *n, FILE *stream) {
294 if (!lineptr || !n || !stream)
297 if (!(*lineptr = mem_a((*n=64))))
305 int c = getc(stream);
308 char *tmp = mem_a((*n+=(*n>16)?*n:64));
312 chr = *n + *lineptr - pos;
313 strcpy(tmp,*lineptr);
314 if (!(*lineptr = tmp)) {
318 pos = *n - chr + *lineptr;
336 return (ret = pos - *lineptr);