diff options
author | Clyne Sullivan <tullivan99@gmail.com> | 2019-02-28 17:04:22 -0500 |
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committer | Clyne Sullivan <tullivan99@gmail.com> | 2019-02-28 17:04:22 -0500 |
commit | d6869d1ec4bd24cd2c3eafa534f0849b25ec5607 (patch) | |
tree | 79e54ed27b39c31864895535d11399708d5a45c0 /arduino/cores/nRF5/itoa.c | |
parent | 614ee97bf3a2270c413527a7f35c54cbecd9e601 (diff) |
added basic code
Diffstat (limited to 'arduino/cores/nRF5/itoa.c')
-rwxr-xr-x | arduino/cores/nRF5/itoa.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/arduino/cores/nRF5/itoa.c b/arduino/cores/nRF5/itoa.c new file mode 100755 index 0000000..608145e --- /dev/null +++ b/arduino/cores/nRF5/itoa.c @@ -0,0 +1,116 @@ +/* + Copyright (c) 2014 Arduino LLC. All right reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include "itoa.h" +#include <string.h> + +#ifdef __cplusplus +extern "C" { +#endif + +extern char* ltoa( long value, char *string, int radix ) +{ + char tmp[33]; + char *tp = tmp; + long i; + unsigned long v; + int sign; + char *sp; + + if ( string == NULL ) + { + return 0 ; + } + + if (radix > 36 || radix <= 1) + { + return 0 ; + } + + sign = (radix == 10 && value < 0); + if (sign) + { + v = -value; + } + else + { + v = (unsigned long)value; + } + + while (v || tp == tmp) + { + i = v % radix; + v = v / radix; + if (i < 10) + *tp++ = i+'0'; + else + *tp++ = i + 'a' - 10; + } + + sp = string; + + if (sign) + *sp++ = '-'; + while (tp > tmp) + *sp++ = *--tp; + *sp = 0; + + return string; +} + +extern char* ultoa( unsigned long value, char *string, int radix ) +{ + char tmp[33]; + char *tp = tmp; + long i; + unsigned long v = value; + char *sp; + + if ( string == NULL ) + { + return 0; + } + + if (radix > 36 || radix <= 1) + { + return 0; + } + + while (v || tp == tmp) + { + i = v % radix; + v = v / radix; + if (i < 10) + *tp++ = i+'0'; + else + *tp++ = i + 'a' - 10; + } + + sp = string; + + + while (tp > tmp) + *sp++ = *--tp; + *sp = 0; + + return string; +} + +#ifdef __cplusplus +} // extern "C" +#endif |