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- /* sd2snes - SD card based universal cartridge for the SNES
- Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
- This file was adapted from sd2iec, written by Ingo Korb.
- Original copyright header follows:
- */
- /* sd2iec - SD/MMC to Commodore serial bus interface/controller
- Copyright (C) 2007-2009 Ingo Korb <ingo@akana.de>
- Inspiration and low-level SD/MMC access based on code from MMC2IEC
- by Lars Pontoppidan et al., see sdcard.c|h and config.h.
- FAT filesystem access based on code from ChaN and Jim Brain, see ff.c|h.
- 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; version 2 of the License only.
- 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, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- utils.c: Misc. utility functions that didn't fit elsewhere
- */
- #ifndef UTILS_H
- #define UTILS_H
- /* Side-effect safe min/max */
- #define max(a,b) \
- ({ typeof (a) _a = (a); \
- typeof (b) _b = (b); \
- _a > _b ? _a : _b; })
- #define min(a,b) \
- ({ typeof (a) _a = (a); \
- typeof (b) _b = (b); \
- _a < _b ? _a : _b; })
- /* Write a number to a string as ASCII */
- uint8_t *appendnumber(uint8_t *msg, uint8_t value);
- /* Convert between integer and BCD */
- uint8_t bcd2int(uint8_t value);
- uint8_t int2bcd(uint8_t value);
- /* Tokenize a string like strtok_r, but with a single delimiter character only */
- uint8_t *ustr1tok(uint8_t *str, const uint8_t delim, uint8_t **saveptr);
- #endif
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