1*c9945492SAndroid Build Coastguard Worker #include <sys/mman.h>
2*c9945492SAndroid Build Coastguard Worker #include <fcntl.h>
3*c9945492SAndroid Build Coastguard Worker #include <sys/stat.h>
4*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
5*c9945492SAndroid Build Coastguard Worker
__map_file(const char * pathname,size_t * size)6*c9945492SAndroid Build Coastguard Worker const char unsigned *__map_file(const char *pathname, size_t *size)
7*c9945492SAndroid Build Coastguard Worker {
8*c9945492SAndroid Build Coastguard Worker struct stat st;
9*c9945492SAndroid Build Coastguard Worker const unsigned char *map = MAP_FAILED;
10*c9945492SAndroid Build Coastguard Worker int fd = sys_open(pathname, O_RDONLY|O_CLOEXEC|O_NONBLOCK);
11*c9945492SAndroid Build Coastguard Worker if (fd < 0) return 0;
12*c9945492SAndroid Build Coastguard Worker if (!__fstat(fd, &st)) {
13*c9945492SAndroid Build Coastguard Worker map = __mmap(0, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
14*c9945492SAndroid Build Coastguard Worker *size = st.st_size;
15*c9945492SAndroid Build Coastguard Worker }
16*c9945492SAndroid Build Coastguard Worker __syscall(SYS_close, fd);
17*c9945492SAndroid Build Coastguard Worker return map == MAP_FAILED ? 0 : map;
18*c9945492SAndroid Build Coastguard Worker }
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