UCOS str_len_n

 

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#include <iostream> using namespace std; typedef   unsigned int         CPU_INT32U;     typedef  volatile  CPU_INT32U  CPU_REG32;  typedef CPU_INT32U CPU_ADDR; typedef  CPU_ADDR    CPU_SIZE_T;    typedef char CPU_CHAR; unsigned int   Str_Len_N (const  char    *pstr,                               unsigned int   len_max) {     const  char    *pstr_len;            unsigned int   len;         pstr_len = pstr;     len      = 0u;     while (( pstr_len != (const char *)  0 ) &&             /* Calc str len until NULL ptr (see Note #3a) ...       */            (*pstr_len != (      char  )'\0') &&             /* ... or NULL char found      (see Note #3b) ...       */            ( len      <  (      unsigned int )len_max)) {          /* ... or max nbr chars srch'd (see Note #3c).          */         pstr_len++;         len++;     }       return (len);                                               /* Rtn str len (see Note #3b1).                         */ }   int main() { std::cout<<Str_Len_N("sfsdfsdfasfds",10)<<endl;   std::cout<<sizeof(NULL)<<endl; }