Compiler Memory Alignment Issue

[Rod Nussbaumer]

Richard:

It probably doesn't cause the result you're seeing, but the size of your 
buffer[] (8 bytes) is one byte smaller than that which you are reading 
and printing (9 bytes: 0 - 8).

> PROGRAM:
>
> #include<stdlib.h>
> #include<stdio.h>
> #include<string.h>
> #include<unistd.h>
>
> int main()
> {
>          unsigned char buffer[8], i;
>          int *ptr = (int *) buffer;
>
>          printf("size of int is: %d\n", sizeof(int));
>          memset(buffer, 0xff, sizeof buffer);
>
>          *(ptr + 1) = 0x1234;
>
>          for (i=0; i<(sizeof(buffer) +1); i++)
>                  printf("buffer[%d]=%x\n", i, buffer[i]);
> }
>
>


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