return n_chars;
}
-/** Copy a file.
+/* Copy a file. If ofd < 0, copy_file unlinks and opens the "dest" file.
+ * Otherwise, it just writes to and closes the provided file descriptor.
*
* This is used in conjunction with the --temp-dir, --backup, and
* --copy-dest options. */
-int copy_file(const char *source, const char *dest, mode_t mode)
+int copy_file(const char *source, const char *dest, int ofd,
+ mode_t mode, int create_bak_dir)
{
int ifd;
- int ofd;
char buf[1024 * 8];
int len; /* Number of bytes read into `buf'. */
- ifd = do_open(source, O_RDONLY, 0);
- if (ifd == -1) {
+ if ((ifd = do_open(source, O_RDONLY, 0)) < 0) {
rsyserr(FERROR, errno, "open %s", full_fname(source));
return -1;
}
- if (robust_unlink(dest) && errno != ENOENT) {
- rsyserr(FERROR, errno, "unlink %s", full_fname(dest));
- return -1;
- }
+ if (ofd < 0) {
+ if (robust_unlink(dest) && errno != ENOENT) {
+ rsyserr(FERROR, errno, "unlink %s", full_fname(dest));
+ return -1;
+ }
- ofd = do_open(dest, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, mode);
- if (ofd == -1) {
- rsyserr(FERROR, errno, "open %s", full_fname(dest));
- close(ifd);
- return -1;
+ if ((ofd = do_open(dest, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, mode)) < 0
+ && (!create_bak_dir || errno != ENOENT || make_bak_dir(dest) < 0
+ || (ofd = do_open(dest, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL, mode)) < 0)) {
+ rsyserr(FERROR, errno, "open %s", full_fname(dest));
+ close(ifd);
+ return -1;
+ }
}
while ((len = safe_read(ifd, buf, sizeof buf)) > 0) {
return -1;
to = partialptr;
}
- if (copy_file(from, to, mode) != 0)
+ if (copy_file(from, to, -1, mode, 0) != 0)
return -2;
do_unlink(from);
return 1;