49     off_t start, end;  in getFileStartAndLength()  local
55     start = lseek(fd, 0L, SEEK_CUR);  in getFileStartAndLength()
57     (void) lseek(fd, start, SEEK_SET);  in getFileStartAndLength()
59     if (start == (off_t) -1 || end == (off_t) -1) {  in getFileStartAndLength()
64     length = end - start;  in getFileStartAndLength()
70     *start_ = start;  in getFileStartAndLength()
85     off_t start;  in sysLoadFileInShmem()  local
91     if (getFileStartAndLength(fd, &start, &length) < 0)  in sysLoadFileInShmem()
120     off_t start;  in sysMapFileInShmem()  local
126     if (getFileStartAndLength(fd, &start, &length) < 0)  in sysMapFileInShmem()
129     memPtr = mmap(NULL, length, PROT_READ, MAP_FILE | MAP_SHARED, fd, start);  in sysMapFileInShmem()
132             fd, (int) start, strerror(errno));  in sysMapFileInShmem()
149 int sysMapFileSegmentInShmem(int fd, off_t start, long length,  in sysMapFileSegmentInShmem()  argument
163     if (start + length > (long)fileLength) {  in sysMapFileSegmentInShmem()
165             (int) start, length, (int) fileLength);  in sysMapFileSegmentInShmem()
170     adjust = start % DEFAULT_PAGE_SIZE;  in sysMapFileSegmentInShmem()
171     actualStart = start - adjust;  in sysMapFileSegmentInShmem()
188         (int) start, (int) length,  in sysMapFileSegmentInShmem()