1 /* 2 * Copyright (c) 2006-2018, RT-Thread Development Team 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 * 6 * Change Logs: 7 * Date Author Notes 8 * 2008-08-14 Bernard the first version 9 */ 10 11 #include <rtthread.h> 12 13 #if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC) 14 #include "stdlib.h" 15 16 int atoi(const char* s) 17 { 18 long int v=0; 19 int sign=1; 20 while ( *s == ' ' || (unsigned int)(*s - 9) < 5u) s++; 21 switch (*s) 22 { 23 case '-': 24 sign=-1; 25 case '+': 26 ++s; 27 } 28 while ((unsigned int) (*s - '0') < 10u) 29 { 30 v=v*10+*s-'0'; 31 ++s; 32 } 33 return sign==-1?-v:v; 34 } 35 36 long int atol(const char* s) 37 { 38 long int v=0; 39 int sign=0; 40 while ( *s == ' ' || (unsigned int)(*s - 9) < 5u) ++s; 41 switch (*s) 42 { 43 case '-': sign=-1; 44 case '+': ++s; 45 } 46 while ((unsigned int) (*s - '0') < 10u) 47 { 48 v=v*10+*s-'0'; ++s; 49 } 50 return sign?-v:v; 51 } 52 53 #ifdef RT_USING_HEAP 54 void *malloc(size_t size) 55 { 56 return rt_malloc(size); 57 } 58 59 void free(void *ptr) 60 { 61 rt_free(ptr); 62 } 63 64 void *realloc(void *ptr, size_t size) 65 { 66 return rt_realloc(ptr, size); 67 } 68 69 void *calloc(size_t nelem, size_t elsize) 70 { 71 return rt_calloc(nelem, elsize); 72 } 73 #endif 74 75 #endif 76