void *mmap (void *addr, size_t len, int prot, int flags, int fd, long long offset) {
- void *buf;
- ssize_t count;
+ void *buf;
+ ssize_t count;
- if ( addr || fd == -1 || (prot & PROT_WRITE)) return MAP_FAILED;
+ if ( addr || fd == -1 || (prot & PROT_WRITE)) return MAP_FAILED;
- buf = malloc(len);
- if ( NULL == buf ) return MAP_FAILED;
+ buf = malloc(len);
+ if ( NULL == buf ) return MAP_FAILED;
- if (lseek(fd,offset,SEEK_SET) != offset) return MAP_FAILED;
+ if (lseek(fd,offset,SEEK_SET) != offset) return MAP_FAILED;
- count = read(fd, buf, len);
+ count = read(fd, buf, len);
- if (count != len) {
- free (buf);
- return MAP_FAILED;
- }
+ if (count != len) {
+ free (buf);
+ return MAP_FAILED;
+ }
- return buf;
+ return buf;
}
int munmap (void *addr, size_t len) {
- free (addr);
- return 0;
+ free (addr);
+ return 0;
}