tosu

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_tosu
#define tools_tosu
 
// have a "sprintf(%u)" without #include.
// It is used in platform.
 
namespace tools {
 
inline void toss(const char* a_from,char a_s[],unsigned int& a_l) {
  char* s = (char*)a_from;
  a_l = 0;
  char* pos = a_s;
  while(*s) {
    *pos = *s;pos++;
    a_l++;
    s++;
  }
  *pos = 0;
}
 
template <class T>  //T must be an unsigned number type.
inline void tosu(T a_i,char a_s[],unsigned int& a_l) {
  //assume a_s is sufficently allocated (32 is ok).
  a_l = 0;
 {char* pos = a_s;
  T i = a_i;
  while(true) {
    if(i<=9) {*pos = '0'+char(i);pos++;a_l++;*pos=0;pos++;break;}
    T r = i % 10;
    *pos = '0'+char(r);pos++;
    a_l++;
    i = i/10;
  }}
  //strrev(s);
 {unsigned int hl = a_l/2;
  char* beg = a_s;
  char* end = a_s+a_l-1;
  for(unsigned int i=0;i<hl;i++) {
    char c = *end;
    *end = *beg;
    *beg = c;
    beg++;end--;
  }}
}
 
}
 
#endif