libowfat/array/array_catb.c

#include "array.h"
#include "byte.h"

void array_catb(array* to,const char* from,uint64 len) {
  long l;
  if (!len) return;
  if (to->allocated<0) return;
  if (to->initialized+len<to->initialized) {
fail:
    array_fail(to);
    return;
  }
  l=to->initialized;
  if (!array_allocate(to,1,to->initialized+len-1))
    goto fail;
  byte_copy(to->p+l,to->initialized-l,from);
}