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Fix build error and implement AT_SYMLINK_NO_FOLLOW in fstatat() by calling lstat()

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This commit is contained in:
John Scipione 2012-03-08 15:29:18 -05:00
parent 6ad9d01a41
commit bffc978823
1 changed files with 9 additions and 12 deletions
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21
src/build/libroot/fs_darwin.cpp
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@ -204,7 +204,7 @@ fchownat(int fd, const char* path, uid_t owner, gid_t group, int flag)
if (fd == AT_FDCWD || path != NULL && path[0] == '/') {
// call chown() ignoring fd
return (flag & AT_SYMLINK_NOFOLLOW) != 0 ? lchown(path, owner, group)
: (chown(path, owner, group);
: chown(path, owner, group);
}
char *fullPath = (char *)malloc(MAXPATHLEN);
@ -220,7 +220,7 @@ fchownat(int fd, const char* path, uid_t owner, gid_t group, int flag)
}
int status = (flag & AT_SYMLINK_NOFOLLOW) != 0
? lchown(fullPath, owner, group) : (chown(fullPath, owner, group);
? lchown(fullPath, owner, group) : chown(fullPath, owner, group);
free(fullPath);
return status;
}
@ -229,20 +229,16 @@ fchownat(int fd, const char* path, uid_t owner, gid_t group, int flag)
int
fstatat(int fd, const char *path, struct stat *st, int flag)
{
if ((flag & AT_SYMLINK_NOFOLLOW) != 0) {
// do not dereference, instead return information about the link
// itself
// CURRENTLY UNSUPPORTED
errno = ENOTSUP;
return -1;
} else if (flag != 0) {
if ((flag & AT_SYMLINK_NOFOLLOW) == 0 && flag != 0) {
// invalid flag
errno = EINVAL;
return -1;
}
if (fd == AT_FDCWD || path != NULL && path[0] == '/') {
// path is absolute, call stat() ignoring fd
return stat(path, st);
// call stat() or lstat() ignoring fd
return (flag & AT_SYMLINK_NOFOLLOW) != 0 ? lstat(path, st)
: stat(path, st);
}
if (fd < 0) {
@ -263,7 +259,8 @@ fstatat(int fd, const char *path, struct stat *st, int flag)
return -1;
}
int status = stat(fullPath, st);
int status = (flag & AT_SYMLINK_NOFOLLOW) != 0 ? lstat(fullPath, st)
: stat(fullPath, st);
free(fullPath);
return status;
}