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
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
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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 void util_debug(const char *area, const char *ms, ...) {
172 fprintf (stdout, "DEBUG: ");
174 fprintf(stdout, "%s", area);
175 fputs ("] ", stdout);
176 vfprintf(stdout, ms, va);
181 * Endianess swapping, all data must be stored little-endian. This
182 * reorders by stride and length, much nicer than other functions for
183 * certian-sized types like short or int.
185 void util_endianswap(void *m, int s, int l) {
189 /* ignore if we're already LE */
194 for(; i < s << 1; i++) {
195 unsigned char *p = (unsigned char *)m+w*s;
196 unsigned char t = p[i];
204 * This is an implementation of CRC32 & CRC16. The polynomials have been
205 * offline computed for faster generation at the cost of larger code size.
207 * CRC32 Polynomial: 0xEDB88320
208 * CRC16 Polynomial: 0x00001021
210 static const uint32_t util_crc32_table[] = {
211 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F,
212 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
213 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2,
214 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
215 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9,
216 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
217 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C,
218 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
219 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423,
220 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
221 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106,
222 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
223 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D,
224 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
225 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
226 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
227 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7,
228 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
229 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA,
230 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
231 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81,
232 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
233 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84,
234 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
235 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB,
236 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
237 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E,
238 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
239 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55,
240 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
241 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28,
242 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
243 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F,
244 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
245 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242,
246 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
247 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69,
248 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
249 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC,
250 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
251 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693,
252 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
253 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
255 static const uint16_t util_crc16_table[] = {
256 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5,
257 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B,
258 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,
259 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
260 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C,
261 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,
262 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B,
263 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
264 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,
265 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738,
266 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5,
267 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
268 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969,
269 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96,
270 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,
271 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
272 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03,
273 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,
274 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6,
275 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
276 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,
277 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB,
278 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1,
279 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
280 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C,
281 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2,
282 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,
283 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
284 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447,
285 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,
286 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2,
287 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
288 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,
289 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827,
290 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C,
291 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
292 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0,
293 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D,
294 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,
295 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
296 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA,
297 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,
298 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
302 * Implements a CRC function for X worth bits using (uint[X]_t)
303 * as type. and util_crc[X]_table.
306 uint##X##_t util_crc##X(const char *k, int len, const short clamp) { \
307 register uint##X##_t h= (uint##X##_t)0xFFFFFFFF; \
308 for (; len; --len, ++k) \
309 h = util_crc##X##_table[(h^((unsigned char)*k))&0xFF]^(h>>8); \
317 * Implements libc getline for systems that don't have it, which is
318 * assmed all. This works the same as getline().
320 int util_getline(char **lineptr, size_t *n, FILE *stream) {
325 if (!lineptr || !n || !stream)
328 if (!(*lineptr = mem_a((*n=64))))
336 int c = getc(stream);
339 char *tmp = mem_a((*n+=(*n>16)?*n:64));
343 chr = *n + *lineptr - pos;
344 strcpy(tmp,*lineptr);
345 if (!(*lineptr = tmp)) {
349 pos = *n - chr + *lineptr;
367 return (ret = pos - *lineptr);
370 /* TODO: opts.c? when it gets large enugh */
372 bool opts_debug = false;
373 bool opts_memchk = false;
374 bool opts_darkplaces_stringtablebug = false;
375 bool opts_omit_nullcode = false;
376 int opts_compiler = COMPILER_GMQCC;