Allow writing to the private index file mapping.

We now modify the in-memory copy of the index file in "diff-cache", so
we need to add PROT_WRITE.
This commit is contained in:
Linus Torvalds 2005-04-26 19:27:27 -07:00
parent b0fe89caeb
commit 520fc2415e

View File

@ -198,7 +198,7 @@ int read_cache(void)
size = st.st_size;
errno = EINVAL;
if (size >= sizeof(struct cache_header) + 20)
map = mmap(NULL, size, PROT_READ, MAP_PRIVATE, fd, 0);
map = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
}
close(fd);
if (-1 == (int)(long)map)