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
blob_alloc(unsigned long size)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
blob_free(void * addr,unsigned long size)47 void blob_free(void *addr, unsigned long size)
48 {
49 size = (size + 4095) & ~4095;
50 munmap(addr, size);
51 }
52
string_to_ld(const char * nptr,char ** endptr)53 long double string_to_ld(const char *nptr, char **endptr)
54 {
55 return strtod(nptr, endptr);
56 }
57