nuclear@2: #include <stdio.h>
nuclear@2: #include <string.h>
nuclear@2: #include <errno.h>
nuclear@2: #include "memmap.h"
nuclear@2: 
nuclear@2: #if defined(__unix__) || defined(__APPLE__)
nuclear@2: #include <unistd.h>
nuclear@2: #include <fcntl.h>
nuclear@2: #include <sys/mman.h>
nuclear@2: #include <sys/stat.h>
nuclear@2: 
nuclear@2: int map_file(struct mmfile *mm, const char *fname)
nuclear@2: {
nuclear@2: 	int fd;
nuclear@2: 	struct stat st;
nuclear@2: 
nuclear@2: 	if((fd = open(fname, O_RDONLY)) == -1) {
nuclear@2: 		fprintf(stderr, "map_file: failed to open %s: %s\n", fname, strerror(errno));
nuclear@2: 		return -1;
nuclear@2: 	}
nuclear@2: 	fstat(fd, &st);
nuclear@2: 
nuclear@2: 	if((mm->ptr = mmap(0, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0)) == (void*)-1) {
nuclear@2: 		close(fd);
nuclear@2: 		fprintf(stderr, "map_file: failed to map file %s: %s\n", fname, strerror(errno));
nuclear@2: 		return -1;
nuclear@2: 	}
nuclear@2: 	mm->size = st.st_size;
nuclear@2: 
nuclear@2: 	close(fd);
nuclear@2: 	return 0;
nuclear@2: }
nuclear@2: 
nuclear@2: void unmap_file(struct mmfile *mm)
nuclear@2: {
nuclear@2: 	munmap(mm->ptr, mm->size);
nuclear@2: }
nuclear@2: 
nuclear@2: #else
nuclear@2: /* implement on win32 */
nuclear@2: #endif