| /* Originally released by the musl project (http://www.musl-libc.org/) under the |
| * MIT license. Taken and adapted from the file src/stdlib/atoi.c |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| THE SOFTWARE. |
| */ |
| |
| #include "atoi.h" |
| |
| UA_StatusCode atoiUnsigned(const char *s, size_t size, UA_UInt64 *result){ |
| if(size < 1){ |
| return UA_STATUSCODE_BADDECODINGERROR; |
| } |
| |
| size_t i = 0; |
| UA_UInt64 n = 0; |
| |
| while ( i < size) { |
| /*isDigit*/ |
| if ( s[i] >= '0' && s[i] <= '9' ) |
| { |
| n *= 10; |
| n = (n + (UA_UInt64)(s[i] - '0')); |
| i++; |
| }else{ |
| return UA_STATUSCODE_BADDECODINGERROR; |
| } |
| } |
| |
| *result = n; |
| return UA_STATUSCODE_GOOD; |
| } |
| |
| UA_StatusCode atoiSigned(const char *s, size_t size, UA_Int64 *result){ |
| if(size < 1){ |
| return UA_STATUSCODE_BADDECODINGERROR; |
| } |
| |
| size_t i = 0; |
| UA_Int64 n = 0; |
| UA_Boolean neg = 0; |
| |
| if(*s == '-'){ |
| neg = 1; |
| i++; |
| } |
| while ( i < size) { |
| if ( s[i] >= '0' && s[i] <= '9' ) |
| { |
| n *= 10; |
| n = (n + (s[i] - '0')); |
| i++; |
| }else{ |
| return UA_STATUSCODE_BADDECODINGERROR; |
| } |
| } |
| |
| if (neg){ |
| n *= -1; |
| } |
| |
| *result = n; |
| return UA_STATUSCODE_GOOD; |
| } |