diff options
Diffstat (limited to 'src/cc1111/ao_string.c')
| -rw-r--r-- | src/cc1111/ao_string.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/cc1111/ao_string.c b/src/cc1111/ao_string.c new file mode 100644 index 00000000..3a07e47e --- /dev/null +++ b/src/cc1111/ao_string.c @@ -0,0 +1,50 @@ +/* + * Copyright © 2011 Keith Packard <keithp@keithp.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; version 2 of the License. + * + * 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. + */ + +#include "ao.h" + +void +_ao_xmemcpy(__xdata void *dst, __xdata void *src, uint8_t count) +{ + while (count--) { + *(__xdata uint8_t *) dst = *(__xdata uint8_t *) src; + dst = (__xdata uint8_t *) dst + 1; + src = (__xdata uint8_t *) src + 1; + } +} + +void +_ao_xmemset(__xdata void *dst, uint8_t v, uint8_t count) +{ + while (count--) { + *(__xdata uint8_t *) dst = v; + dst = (__xdata uint8_t *) dst + 1; + } +} + +int8_t +_ao_xmemcmp(__xdata void *a, __xdata void *b, uint8_t count) +{ + while (count--) { + int8_t d = *(__xdata int8_t *) a - *(__xdata int8_t *) b; + if (d) + return d; + a = (__xdata int8_t *) a + 1; + b = (__xdata int8_t *) b + 1; + } + return 0; +} |