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authorLinus Torvalds <torvalds@g5.osdl.org>2005-07-14 00:27:48 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2005-07-14 00:27:48 (GMT)
commit2408cff9f738459019709c8c12d0bd8a5605566f (patch)
tree9baa5e67c470376b09cbcc4cb68ef80654753e1f /entry.c
parent1b668341db6576d8d851473c74388031b319798a (diff)
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Make "git-checkout" create files with O_EXCL
We should always have unlinked any old ones before, but this just makes sure that we never over-write any old file. A quick "grep" now shows that all the core tools that open files for writing use O_EXCL, ie we never overwrite an existing file in place.
Diffstat (limited to 'entry.c')
-rw-r--r--entry.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/entry.c b/entry.c
index ded8310..792ea73 100644
--- a/entry.c
+++ b/entry.c
@@ -62,11 +62,11 @@ static int create_file(const char *path, unsigned int mode, int force)
int fd;
mode = (mode & 0100) ? 0777 : 0666;
- fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, mode);
+ fd = open(path, O_WRONLY | O_TRUNC | O_CREAT | O_EXCL, mode);
if (fd < 0) {
if (errno == EISDIR && force) {
remove_subtree(path);
- fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, mode);
+ fd = open(path, O_WRONLY | O_TRUNC | O_CREAT | O_EXCL, mode);
}
}
return fd;