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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-17 09:51:53 -0800
committerJunio C Hamano <gitster@pobox.com>2008-12-17 13:36:34 -0800
commitb760d3aa74585a96f0ccc4ce0374528a38be5177 (patch)
treef67ad22604af71d2acd6e52bdb44e02ccd9e0d81 /sha1_file.c
parenta60272b38e548f46c5e1d7127cf18a469fefa237 (diff)
downloadgit-b760d3aa74585a96f0ccc4ce0374528a38be5177.tar.gz
git-b760d3aa74585a96f0ccc4ce0374528a38be5177.tar.xz
Make 'index_path()' use 'strbuf_readlink()'
This makes us able to properly index symlinks even on filesystems where st_size doesn't match the true size of the link. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'sha1_file.c')
-rw-r--r--sha1_file.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/sha1_file.c b/sha1_file.c
index 0e021c5ec..52d1ead15 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2523,8 +2523,7 @@ int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object,
int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object)
{
int fd;
- char *target;
- size_t len;
+ struct strbuf sb = STRBUF_INIT;
switch (st->st_mode & S_IFMT) {
case S_IFREG:
@@ -2537,20 +2536,17 @@ int index_path(unsigned char *sha1, const char *path, struct stat *st, int write
path);
break;
case S_IFLNK:
- len = xsize_t(st->st_size);
- target = xmalloc(len + 1);
- if (readlink(path, target, len + 1) != st->st_size) {
+ if (strbuf_readlink(&sb, path, st->st_size)) {
char *errstr = strerror(errno);
- free(target);
return error("readlink(\"%s\"): %s", path,
errstr);
}
if (!write_object)
- hash_sha1_file(target, len, blob_type, sha1);
- else if (write_sha1_file(target, len, blob_type, sha1))
+ hash_sha1_file(sb.buf, sb.len, blob_type, sha1);
+ else if (write_sha1_file(sb.buf, sb.len, blob_type, sha1))
return error("%s: failed to insert into database",
path);
- free(target);
+ strbuf_release(&sb);
break;
case S_IFDIR:
return resolve_gitlink_ref(path, "HEAD", sha1);