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36 struct memblock_t *next;
37 struct memblock_t *prev;
40 static struct memblock_t *mem_start = NULL;
42 void *util_memory_a(unsigned int byte, unsigned int line, const char *file) {
43 struct memblock_t *info = malloc(sizeof(struct memblock_t) + byte);
44 void *data =(void*)((unsigned char*)info+sizeof(struct memblock_t));
45 if (!data) return NULL;
50 info->next = mem_start;
52 mem_start->prev = info;
55 util_debug("MEM", "allocation: % 8u (bytes) address 0x%08X @ %s:%u\n", byte, data, file, line);
62 void util_memory_d(void *ptrn, unsigned int line, const char *file) {
64 struct memblock_t *info = NULL;
67 data = (void*)((unsigned char *)ptrn-sizeof(struct memblock_t));
68 info = (struct memblock_t*)data;
70 util_debug("MEM", "released: % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, ptrn, file, line);
75 info->prev->next = info->next;
77 info->next->prev = info->prev;
78 if (info == mem_start)
79 mem_start = info->next;
85 struct memblock_t *info;
90 for (info = mem_start; info; info = info->next) {
91 util_debug("MEM", "lost: % 8u (bytes) at %s:%u\n",
97 util_debug("MEM", "Memory information:\n\
98 Total allocations: %llu\n\
99 Total deallocations: %llu\n\
100 Total allocated: %llu (bytes)\n\
101 Total deallocated: %llu (bytes)\n\
102 Leaks found: lost %llu (bytes) in %d allocations\n",
111 * Some string utility functions, because strdup uses malloc, and we want
112 * to track all memory (without replacing malloc).
114 char *util_strdup(const char *s) {
121 if ((len = strlen(s)) && (ptr = mem_a(len+1))) {
129 * Remove quotes from a string, escapes from \ in string
130 * as well. This function shouldn't be used to create a
131 * char array that is later freed (it uses pointer arith)
133 char *util_strrq(const char *s) {
134 char *dst = (char*)s;
135 char *src = (char*)s;
137 while ((chr = *src++) != '\0') {
140 if ((chr = *src++) == '\0')
143 } else if (chr != '"')
151 * Chops a substring from an existing string by creating a
152 * copy of it and null terminating it at the required position.
154 char *util_strchp(const char *s, const char *e) {
155 const char *c = NULL;
163 return util_strdup(s);
167 * Returns true if string is all uppercase, otherwise
170 bool util_strupper(const char *str) {
180 * Returns true if string is all digits, otherwise
183 bool util_strdigit(const char *str) {
192 bool util_strncmpexact(const char *src, const char *ned, size_t len) {
193 return (!strncmp(src, ned, len) && !src[len]);
196 void util_debug(const char *area, const char *ms, ...) {
201 if (!strcmp(area, "MEM") && !opts_memchk)
205 fprintf (stdout, "DEBUG: ");
207 fprintf(stdout, "%s", area);
208 fputs ("] ", stdout);
209 vfprintf(stdout, ms, va);
214 * Endianess swapping, all data must be stored little-endian. This
215 * reorders by stride and length, much nicer than other functions for
216 * certian-sized types like short or int.
218 void util_endianswap(void *m, int s, int l) {
222 /* ignore if we're already LE */
227 for(; i < s << 1; i++) {
228 unsigned char *p = (unsigned char *)m+w*s;
229 unsigned char t = p[i];
237 * This is an implementation of CRC32 & CRC16. The polynomials have been
238 * offline computed for faster generation at the cost of larger code size.
240 * CRC32 Polynomial: 0xEDB88320
241 * CRC16 Polynomial: 0x00001021
243 static const uint32_t util_crc32_table[] = {
244 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F,
245 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
246 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2,
247 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
248 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
249 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
250 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C,
251 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
252 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423,
253 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
254 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106,
255 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
256 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D,
257 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
258 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
259 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
260 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7,
261 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
262 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA,
263 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
264 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81,
265 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
266 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84,
267 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
268 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
269 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
270 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E,
271 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
272 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55,
273 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
274 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28,
275 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
276 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F,
277 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
278 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
279 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
280 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69,
281 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
282 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC,
283 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
284 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693,
285 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
286 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
288 static const uint16_t util_crc16_table[] = {
289 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5,
290 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B,
291 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,
292 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
293 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C,
294 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,
295 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B,
296 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
297 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,
298 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738,
299 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5,
300 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
301 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969,
302 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96,
303 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,
304 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
305 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03,
306 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,
307 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6,
308 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
309 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,
310 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB,
311 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1,
312 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
313 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C,
314 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2,
315 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,
316 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
317 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447,
318 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,
319 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2,
320 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
321 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,
322 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827,
323 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C,
324 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
325 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0,
326 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D,
327 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,
328 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
329 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA,
330 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,
331 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
335 * Implements a CRC function for X worth bits using (uint[X]_t)
336 * as type. and util_crc[X]_table.
338 * Quake expects a non-reflective CRC.
341 uint##X##_t util_crc##X(uint##X##_t current, const char *k, size_t len) { \
342 register uint##X##_t h= current; \
343 for (; len; --len, ++k) \
344 h = util_crc##X##_table[(h>>8)^((unsigned char)*k)]^(h<<8); \
352 uint##X##_t util_crc##X(const char *k, int len, const short clamp) { \
353 register uint##X##_t h= (uint##X##_t)0xFFFFFFFF; \
354 for (; len; --len, ++k) \
355 h = util_crc##X##_table[(h^((unsigned char)*k))&0xFF]^(h>>8); \
362 * Implements libc getline for systems that don't have it, which is
363 * assmed all. This works the same as getline().
365 int util_getline(char **lineptr, size_t *n, FILE *stream) {
370 if (!lineptr || !n || !stream)
373 if (!(*lineptr = (char*)mem_a((*n=64))))
381 int c = getc(stream);
384 char *tmp = (char*)mem_a((*n+=(*n>16)?*n:64));
388 memcpy(tmp, *lineptr, pos - *lineptr);
389 chr = *n + *lineptr - pos;
390 if (!(*lineptr = tmp)) {
394 pos = *n - chr + *lineptr;
412 return (ret = pos - *lineptr);
415 size_t util_strtocmd(const char *in, char *out, size_t outsz) {
417 for (; *in && sz < outsz; ++in, ++out, ++sz) {
420 else if (isalpha(*in) && !isupper(*in))
421 *out = *in + 'A' - 'a';
429 size_t util_strtononcmd(const char *in, char *out, size_t outsz) {
431 for (; *in && sz < outsz; ++in, ++out, ++sz) {
434 else if (isalpha(*in) && isupper(*in))
435 *out = *in + 'a' - 'A';
443 FILE *util_fopen(const char *filename, const char *mode)
447 if (fopen_s(&out, filename, mode) != 0)
451 return fopen(filename, mode);