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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(const char *s) {
106 char *dst = (char*)s;
107 char *src = (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(const char *src) {
145 if (!src) return NULL;
146 char *cpy = (char*)src;
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);
170 * Returns true if string is all uppercase, otherwise
173 bool util_strupper(const char *str) {
183 * Returns true if string is all digits, otherwise
186 bool util_strdigit(const char *str) {
195 void util_debug(const char *area, const char *ms, ...) {
201 fprintf (stdout, "DEBUG: ");
203 fprintf(stdout, "%s", area);
204 fputs ("] ", stdout);
205 vfprintf(stdout, ms, va);
210 * Endianess swapping, all data must be stored little-endian. This
211 * reorders by stride and length, much nicer than other functions for
212 * certian-sized types like short or int.
214 void util_endianswap(void *m, int s, int l) {
218 /* ignore if we're already LE */
223 for(; i < s << 1; i++) {
224 unsigned char *p = (unsigned char *)m+w*s;
225 unsigned char t = p[i];
233 * This is an implementation of CRC32 & CRC16. The polynomials have been
234 * offline computed for faster generation at the cost of larger code size.
236 * CRC32 Polynomial: 0xEDB88320
237 * CRC16 Polynomial: 0x00001021
239 static const uint32_t util_crc32_table[] = {
240 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F,
241 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
242 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2,
243 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
244 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
245 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
246 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C,
247 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
248 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423,
249 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
250 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106,
251 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
252 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D,
253 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
254 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
255 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
256 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7,
257 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
258 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA,
259 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
260 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81,
261 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
262 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84,
263 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
264 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
265 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
266 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E,
267 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
268 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55,
269 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
270 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28,
271 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
272 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F,
273 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
274 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
275 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
276 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69,
277 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
278 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC,
279 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
280 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693,
281 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
282 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
284 static const uint16_t util_crc16_table[] = {
285 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5,
286 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B,
287 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,
288 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
289 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C,
290 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,
291 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B,
292 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
293 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,
294 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738,
295 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5,
296 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
297 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969,
298 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96,
299 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,
300 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
301 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03,
302 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,
303 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6,
304 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
305 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,
306 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB,
307 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1,
308 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
309 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C,
310 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2,
311 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,
312 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
313 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447,
314 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,
315 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2,
316 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
317 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,
318 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827,
319 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C,
320 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
321 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0,
322 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D,
323 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,
324 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
325 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA,
326 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,
327 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
331 * Implements a CRC function for X worth bits using (uint[X]_t)
332 * as type. and util_crc[X]_table.
335 uint##X##_t util_crc##X(const char *k, int len, const short clamp) { \
336 register uint##X##_t h= (uint##X##_t)0xFFFFFFFF; \
337 for (; len; --len, ++k) \
338 h = util_crc##X##_table[(h^((unsigned char)*k))&0xFF]^(h>>8); \
346 * Implements libc getline for systems that don't have it, which is
347 * assmed all. This works the same as getline().
349 int util_getline(char **lineptr, size_t *n, FILE *stream) {
354 if (!lineptr || !n || !stream)
357 if (!(*lineptr = mem_a((*n=64))))
365 int c = getc(stream);
368 char *tmp = mem_a((*n+=(*n>16)?*n:64));
372 chr = *n + *lineptr - pos;
373 strcpy(tmp,*lineptr);
374 if (!(*lineptr = tmp)) {
378 pos = *n - chr + *lineptr;
396 return (ret = pos - *lineptr);