5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
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12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 struct memblock_t *info = NULL;
57 data = (void*)((uintptr_t)ptrn-sizeof(struct memblock_t));
58 info = (struct memblock_t*)data;
60 util_debug("MEM", "released: % 8u (bytes) address 0x%08X @ %s:%u\n", info->byte, data, file, line);
71 util_debug("MEM", "Memory information:\n\
72 Total allocations: %llu\n\
73 Total deallocations: %llu\n\
74 Total allocated: %llu (bytes)\n\
75 Total deallocated: %llu (bytes)\n\
76 Leaks found: lost %llu (bytes) in %d allocations\n",
85 * Some string utility functions, because strdup uses malloc, and we want
86 * to track all memory (without replacing malloc).
88 char *util_strdup(const char *s) {
95 if ((len = strlen(s)) && (ptr = mem_a(len+1))) {
103 * Remove quotes from a string, escapes from \ in string
104 * as well. This function shouldn't be used to create a
105 * char array that is later freed (it uses pointer arith)
107 char *util_strrq(const char *s) {
108 char *dst = (char*)s;
109 char *src = (char*)s;
111 while ((chr = *src++) != '\0') {
114 if ((chr = *src++) == '\0')
117 } else if (chr != '"')
125 * Chops a substring from an existing string by creating a
126 * copy of it and null terminating it at the required position.
128 char *util_strchp(const char *s, const char *e) {
129 const char *c = NULL;
137 return util_strdup(s);
141 * Returns true if string is all uppercase, otherwise
144 bool util_strupper(const char *str) {
154 * Returns true if string is all digits, otherwise
157 bool util_strdigit(const char *str) {
166 bool util_strncmpexact(const char *src, const char *ned, size_t len) {
167 if (!strncmp(src, ned, len)) {
174 void util_debug(const char *area, const char *ms, ...) {
180 fprintf (stdout, "DEBUG: ");
182 fprintf(stdout, "%s", area);
183 fputs ("] ", stdout);
184 vfprintf(stdout, ms, va);
189 * Endianess swapping, all data must be stored little-endian. This
190 * reorders by stride and length, much nicer than other functions for
191 * certian-sized types like short or int.
193 void util_endianswap(void *m, int s, int l) {
197 /* ignore if we're already LE */
202 for(; i < s << 1; i++) {
203 unsigned char *p = (unsigned char *)m+w*s;
204 unsigned char t = p[i];
212 * This is an implementation of CRC32 & CRC16. The polynomials have been
213 * offline computed for faster generation at the cost of larger code size.
215 * CRC32 Polynomial: 0xEDB88320
216 * CRC16 Polynomial: 0x00001021
218 static const uint32_t util_crc32_table[] = {
219 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F,
220 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
221 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2,
222 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
223 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
224 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
225 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C,
226 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
227 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423,
228 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
229 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106,
230 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
231 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D,
232 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
233 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
234 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
235 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7,
236 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
237 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA,
238 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
239 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81,
240 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
241 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84,
242 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
243 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
244 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
245 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E,
246 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
247 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55,
248 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
249 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28,
250 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
251 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F,
252 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
253 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
254 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
255 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69,
256 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
257 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC,
258 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
259 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693,
260 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
261 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
263 static const uint16_t util_crc16_table[] = {
264 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5,
265 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B,
266 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,
267 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
268 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C,
269 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,
270 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B,
271 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
272 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,
273 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738,
274 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5,
275 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
276 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969,
277 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96,
278 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,
279 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
280 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03,
281 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,
282 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6,
283 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
284 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,
285 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB,
286 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1,
287 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
288 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C,
289 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2,
290 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,
291 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
292 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447,
293 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,
294 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2,
295 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
296 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,
297 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827,
298 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C,
299 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
300 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0,
301 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D,
302 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,
303 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
304 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA,
305 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,
306 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
310 * Implements a CRC function for X worth bits using (uint[X]_t)
311 * as type. and util_crc[X]_table.
314 uint##X##_t util_crc##X(const char *k, int len, const short clamp) { \
315 register uint##X##_t h= (uint##X##_t)0xFFFFFFFF; \
316 for (; len; --len, ++k) \
317 h = util_crc##X##_table[(h^((unsigned char)*k))&0xFF]^(h>>8); \
325 * Implements libc getline for systems that don't have it, which is
326 * assmed all. This works the same as getline().
328 int util_getline(char **lineptr, size_t *n, FILE *stream) {
333 if (!lineptr || !n || !stream)
336 if (!(*lineptr = mem_a((*n=64))))
344 int c = getc(stream);
347 char *tmp = mem_a((*n+=(*n>16)?*n:64));
351 chr = *n + *lineptr - pos;
352 strcpy(tmp,*lineptr);
353 if (!(*lineptr = tmp)) {
357 pos = *n - chr + *lineptr;
375 return (ret = pos - *lineptr);
378 /* TODO: opts.c? when it gets large enugh */
380 bool opts_debug = false;
381 bool opts_memchk = false;
382 bool opts_darkplaces_stringtablebug = false;
383 bool opts_omit_nullcode = false;
384 int opts_compiler = COMPILER_GMQCC;