1 /* 2 * Cygwin Compatibility functions 3 * 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a copy 6 * of this software and associated documentation files (the "Software"), to deal 7 * in the Software without restriction, including without limitation the rights 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 * copies of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be included in 13 * all copies or substantial portions of the Software. 14 * 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 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 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 21 * THE SOFTWARE. 22 */ 23 24 25 26 #include <sys/mman.h> 27 #include <stdlib.h> 28 #include <string.h> 29 #include <sys/stat.h> 30 31 #include "lib.h" 32 #include "allocate.h" 33 #include "token.h" 34 35 void *blob_alloc(unsigned long size) 36 { 37 void *ptr; 38 size = (size + 4095) & ~4095; 39 ptr = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); 40 if (ptr == MAP_FAILED) 41 ptr = NULL; 42 else 43 memset(ptr, 0, size); 44 return ptr; 45 } 46 47 void blob_free(void *addr, unsigned long size) 48 { 49 size = (size + 4095) & ~4095; 50 munmap(addr, size); 51 } 52 53 long double string_to_ld(const char *nptr, char **endptr) 54 { 55 return strtod(nptr, endptr); 56 } 57