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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);
53 void util_memory_d(void *ptrn, unsigned int line, const char *file) {
55 void *data = (void*)((uintptr_t)ptrn-sizeof(struct memblock_t));
56 struct memblock_t *info = (struct memblock_t*)data;
58 util_debug("MEM", "released: % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, data, file, line);
69 util_debug("MEM", "Memory information:\n\
70 Total allocations: %llu\n\
71 Total deallocations: %llu\n\
72 Total allocated: %llu (bytes)\n\
73 Total deallocated: %llu (bytes)\n\
74 Leaks found: lost %llu (bytes) in %d allocations\n",
83 * Some string utility functions, because strdup uses malloc, and we want
84 * to track all memory (without replacing malloc).
86 char *util_strdup(const char *s) {
93 if ((len = strlen(s)) && (ptr = mem_a(len+1))) {
101 * Remove quotes from a string, escapes from \ in string
102 * as well. This function shouldn't be used to create a
103 * char array that is later freed (it uses pointer arith)
105 char *util_strrq(char *s) {
109 while ((chr = *src++) != '\0') {
112 if ((chr = *src++) == '\0')
115 } else if (chr != '"')
123 * Chops a substring from an existing string by creating a
124 * copy of it and null terminating it at the required position.
126 char *util_strchp(const char *s, const char *e) {
131 char *c = util_strdup(s);
140 * Remove newline from a string (if it exists). This is
141 * done pointer wise instead of strlen(), and an array
144 char *util_strrnl(char *src) {
145 if (!src) return NULL;
147 while (*cpy && *cpy != '\n')
155 * Removes any whitespace prefixed on a string by moving
156 * skipping past it, and stroing the skip distance, so
157 * the string can later be freed (if it was allocated)
159 char *util_strsws(const char *skip) {
164 while (*skip == ' ' || *skip == '\t')
166 return util_strdup(skip-size);
169 void util_debug(const char *area, const char *ms, ...) {
175 fprintf (stdout, "DEBUG: ");
177 fprintf(stdout, "%s", area);
178 fputs ("] ", stdout);
179 vfprintf(stdout, ms, va);
184 * Endianess swapping, all data must be stored little-endian. This
185 * reorders by stride and length, much nicer than other functions for
186 * certian-sized types like short or int.
188 void util_endianswap(void *m, int s, int l) {
192 /* ignore if we're already LE */
197 for(; i < s << 1; i++) {
198 unsigned char *p = (unsigned char *)m+w*s;
199 unsigned char t = p[i];
207 * This is an implementation of CRC32 & CRC16. The polynomials have been
208 * offline computed for faster generation at the cost of larger code size.
210 * CRC32 Polynomial: 0xEDB88320
211 * CRC16 Polynomial: 0x00001021
213 static const uint32_t util_crc32_table[] = {
214 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F,
215 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
216 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2,
217 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
218 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
219 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
220 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C,
221 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
222 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423,
223 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
224 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106,
225 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
226 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D,
227 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
228 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
229 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
230 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7,
231 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
232 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA,
233 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
234 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81,
235 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
236 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84,
237 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
238 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
239 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
240 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E,
241 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
242 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55,
243 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
244 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28,
245 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
246 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F,
247 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
248 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
249 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
250 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69,
251 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
252 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC,
253 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
254 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693,
255 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
256 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
258 static const uint16_t util_crc16_table[] = {
259 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5,
260 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B,
261 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,
262 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
263 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C,
264 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,
265 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B,
266 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
267 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,
268 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738,
269 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5,
270 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
271 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969,
272 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96,
273 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,
274 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
275 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03,
276 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,
277 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6,
278 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
279 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,
280 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB,
281 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1,
282 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
283 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C,
284 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2,
285 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,
286 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
287 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447,
288 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,
289 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2,
290 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
291 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,
292 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827,
293 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C,
294 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
295 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0,
296 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D,
297 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,
298 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
299 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA,
300 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,
301 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
305 * Implements a CRC function for X worth bits using (uint[X]_t)
306 * as type. and util_crc[X]_table.
309 uint##X##_t util_crc##X(const char *k, int len, const short clamp) { \
310 register uint##X##_t h= (uint##X##_t)0xFFFFFFFF; \
311 for (; len; --len, ++k) \
312 h = util_crc##X##_table[(h^((unsigned char)*k))&0xFF]^(h>>8); \
320 * Implements libc getline for systems that don't have it, which is
321 * assmed all. This works the same as getline().
323 int util_getline(char **lineptr, size_t *n, FILE *stream) {
328 if (!lineptr || !n || !stream)
331 if (!(*lineptr = mem_a((*n=64))))
339 int c = getc(stream);
342 char *tmp = mem_a((*n+=(*n>16)?*n:64));
346 chr = *n + *lineptr - pos;
347 strcpy(tmp,*lineptr);
348 if (!(*lineptr = tmp)) {
352 pos = *n - chr + *lineptr;
370 return (ret = pos - *lineptr);