return 1;
}
from_size = st.st_size;
- if (from_size)
- from_buf = mmap(NULL, from_size, PROT_READ, MAP_PRIVATE, fd, 0);
- else
- from_buf = "";
+ from_buf = mmap(NULL, from_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (from_buf == MAP_FAILED) {
perror(argv[2]);
close(fd);
return 1;
}
data_size = st.st_size;
-
- if (data_size)
- data_buf = mmap(NULL, data_size, PROT_READ, MAP_PRIVATE, fd, 0);
- else
- data_buf = "";
+ data_buf = mmap(NULL, data_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (data_buf == MAP_FAILED) {
perror(argv[3]);
close(fd);