3 int copy_fd(int ifd, int ofd)
7 ssize_t len = xread(ifd, buffer, sizeof(buffer));
11 return error("copy-fd: read returned %s",
14 if (write_in_full(ofd, buffer, len) < 0)
15 return error("copy-fd: write returned %s",
21 static int copy_times(const char *dst, const char *src)
25 if (stat(src, &st) < 0)
27 times.actime = st.st_atime;
28 times.modtime = st.st_mtime;
29 if (utime(dst, ×) < 0)
34 int copy_file(const char *dst, const char *src, int mode)
38 mode = (mode & 0111) ? 0777 : 0666;
39 if ((fdi = open(src, O_RDONLY)) < 0)
41 if ((fdo = open(dst, O_WRONLY | O_CREAT | O_EXCL, mode)) < 0) {
45 status = copy_fd(fdi, fdo);
48 return error("%s: close error: %s", dst, strerror(errno));
50 if (!status && adjust_shared_perm(dst))
56 int copy_file_with_time(const char *dst, const char *src, int mode)
58 int status = copy_file(dst, src, mode);
60 return copy_times(dst, src);