if (!len)
break;
if (len < 0) {
- int read_error;
- read_error = errno;
+ int read_error = errno;
close(ifd);
return error("copy-fd: read returned %s",
strerror(read_error));
close(ifd);
return error("copy-fd: write returned 0");
} else {
+ int write_error = errno;
close(ifd);
return error("copy-fd: write returned %s",
- strerror(errno));
+ strerror(write_error));
}
}
}
close(ifd);
return 0;
}
+
+static int copy_times(const char *dst, const char *src)
+{
+ struct stat st;
+ struct utimbuf times;
+ if (stat(src, &st) < 0)
+ return -1;
+ times.actime = st.st_atime;
+ times.modtime = st.st_mtime;
+ if (utime(dst, ×) < 0)
+ return -1;
+ return 0;
+}
+
+int copy_file(const char *dst, const char *src, int mode)
+{
+ int fdi, fdo, status;
+
+ mode = (mode & 0111) ? 0777 : 0666;
+ if ((fdi = open(src, O_RDONLY)) < 0)
+ return fdi;
+ if ((fdo = open(dst, O_WRONLY | O_CREAT | O_EXCL, mode)) < 0) {
+ close(fdi);
+ return fdo;
+ }
+ status = copy_fd(fdi, fdo);
+ if (close(fdo) != 0)
+ return error("%s: close error: %s", dst, strerror(errno));
+
+ if (!status && adjust_shared_perm(dst))
+ return -1;
+
+ return status;
+}
+
+int copy_file_with_time(const char *dst, const char *src, int mode)
+{
+ int status = copy_file(dst, src, mode);
+ if (!status)
+ return copy_times(dst, src);
+ return status;
+}