Rename utils.c to printf-utils.c, remove unused functions

src/printf-utils.h

@@ -0,0 +1,33 @@
+/*
+ *  0xFFFF - Open Free Fiasco Firmware Flasher
+ *  Copyright (C) 2007  pancake <pancake@youterm.com>
+ *  Copyright (C) 2012  Pali Rohár <pali.rohar@gmail.com>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PRINTF_UTILS_H
+#define PRINTF_UTILS_H
+
+extern int printf_prev;
+
+#define PRINTF_BACK() do { if ( printf_prev ) { printf("\r%-*s\r", printf_prev, ""); printf_prev = 0; } } while (0)
+#define PRINTF_ADD(...) do { printf_prev += printf(__VA_ARGS__); } while (0)
+#define PRINTF_LINE(...) do { PRINTF_BACK(); PRINTF_ADD(__VA_ARGS__); fflush(stdout); } while (0)
+#define PRINTF_END() do { if ( printf_prev ) { printf("\n"); printf_prev = 0; } } while (0)
+#define PRINTF_ERROR(...) do { PRINTF_END(); ERROR_INFO(__VA_ARGS__); } while (0)
+
+void printf_progressbar(unsigned long long part, unsigned long long total);
+
+#endif