tools.c

#include <bwio.h>
#include <tools.h>
#include <types.h>
// Reference: http://clc-wiki.net/wiki/C_standard_library:string.h:strlen
int stringLen(const char* Str) {
    int i;
    for (i = 0; Str[i] != '\0'; i++);
    return i;
} 

// Reference: http://clc-wiki.net/wiki/C_standard_library:string.h:strncpy
int stringCopy(char* Dest, const char* Src, int Length) {
  int i = 0;
  for(;i<Length;i++){
    if(Src[i] == 0) break;
    Dest[i] = Src[i];
  }
  Dest[Length] = 0;
  return 0;
}


// Reference: http://clc-wiki.net/wiki/C_standard_library:string.h:strcmp
int stringCompare(const char* Str1, const char* Str2) {
  //bwprintf(COM2,"StringComp: str1:%d,str2:%d\n\r",Str1,Str2);
  while (*Str1 && (*Str1==*Str2))
    Str1++,Str2++;
  return *(const unsigned char*)Str1-*(const unsigned char*)Str2;
}

/*
 * Reference: https://www.geeksforgeeks.org/write-memcpy/
 */
int byteCopy(void* Dest, void* Src, int DestLen, int SrcLen) {
    if (SrcLen > DestLen) return FAILURE;
    int i;
    char* cDest = (char*)Dest;
    char* cSrc = (char*)Src;
    for (i = 0; i < SrcLen; i++) cDest[i] = cSrc[i];
    return 0;
}


/*
 * Reference https://www.geeksforgeeks.org/write-memcpy/
 */
void memcpy(void* Dest, void* Src, int Size){
  char* cDest = (char *)Dest;
  char* cSrc = (char *)Src;
  int i = 0;
  for(;i<Size;i++){
    cDest[i] = cSrc[i];
  }
}