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  1. #include "stralloc.h"
  2. #include "byte.h"
  3. #include "str.h"
  4. extern int stralloc_diff(const stralloc* a,const stralloc* b) {
  5. register unsigned int i;
  6. register int j;
  7. for (i=0;;++i) {
  8. if (i==a->len) return i==b->len?0:-1; if (i==b->len) return 1;
  9. if ((j=((unsigned char)(a->s[i])-(unsigned char)(b->s[i])))) return j;
  10. }
  11. return j;
  12. }