C code to rotate a bit in a given number

Original - C Code #include <stdio.h> #define ROT_LEFT 0x00 #define ROT_RIGHT !ROT_LEFT int rotate(int invalue, int places, int direction) { int outvalue; /* Rotating left or right? */ if(direction == ROT_LEFT) { /* First a normal shift */ outvalue = invalue << (places % (8 * sizeof(int))); outvalue |= invalue >> ((8 * sizeof(int)) - places % (8 * sizeof(int))); } else { /* First a normal shift */ outvalue = invalue >> (places % (8 * sizeof(int))); /* Then place the part that's shifted off the screen at the end */ outvalue |= invalue << ((8 * sizeof(int)) - places % (8 * sizeof(int))); } return outvalue; } int main() { /* Declarations */ int test; test = 0x12345678; /* Rotate */ test = rotate(test, 4, ROT_LEFT); /* Output */ printf("%x\n", test); /* Return succes */ return 0; }

#include <stdio.h>
#define ROT_LEFT 0x00
#define ROT_RIGHT !ROT_LEFT
 
int rotate(int invalue, int places, int direction)
{
    int outvalue;
    
    /*  Rotating left or right?   */
    if(direction == ROT_LEFT)
    {
        /*  First a normal shift  */
        outvalue = invalue << (places % (8 * sizeof(int)));
        outvalue |= invalue >> ((8 * sizeof(int)) - places % (8 * sizeof(int)));
    }
    else
    {
        /*  First a normal shift  */
        outvalue = invalue >> (places % (8 * sizeof(int)));
        /*  Then place the part that's shifted off the screen at the end  */
        outvalue |= invalue << ((8 * sizeof(int)) - places % (8 * sizeof(int)));
    }
    return outvalue;
}
 
int main()
{
    /*  Declarations  */
    int test;
    test = 0x12345678;
    
    /*  Rotate    */
    test = rotate(test, 4, ROT_LEFT);
    
    /*  Output    */
    printf("%x\n", test);
    
    /*  Return succes */
    return 0;
} 

Original - C Code #include <stdio.h> #define STR_1_SIZE 10 #define STR_2_SIZE 26 int main() { /* Delarations */ char str1[STR_1_SIZE + 1] = "1234567890\0"; char str2[STR_2_SIZE + 1] = "abcdefghijklmnopqrstuvwxyz\0"; char str_result[STR_1_SIZE + STR_2_SIZE + 1]; int i; /* Concatenate */ for(i = 0; i < (STR_1_SIZE + STR_2_SIZE); ++i) if(i < STR_1_SIZE) str_result[i] = str1[i]; else str_result[i] = str2[i - STR_1_SIZE]; str_result[i] = '\0'; /* Output */ printf("%s %s %s\n", str1, str2, str_result); /* Return succes */ return 0; }

#include <stdio.h>
#define STR_1_SIZE 10
#define STR_2_SIZE 26
 
int main()
{
    /*      Delarations     */
    char str1[STR_1_SIZE + 1] = "1234567890\0";
    char str2[STR_2_SIZE + 1] = "abcdefghijklmnopqrstuvwxyz\0";
    char str_result[STR_1_SIZE + STR_2_SIZE + 1];
    int i;
 
    /*      Concatenate     */
    for(i = 0; i < (STR_1_SIZE + STR_2_SIZE); ++i)
        if(i < STR_1_SIZE)
            str_result[i] = str1[i];
        else
            str_result[i] = str2[i - STR_1_SIZE];
    str_result[i] = '\0';
 
    /*      Output  */
    printf("%s %s %s\n", str1, str2, str_result);
 
    /*      Return succes   */
    return 0;
}