#endif
#include "libiberty.h"
#include "sort.h"
+#ifdef HAVE_LIMITS_H
#include <limits.h>
+#endif
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
-/* POINTERSP and WORKP both point to arrays of N pointers. When
- this function returns POINTERSP will point to a sorted version of
- the original array pointed to by POINTERSP. */
+#ifndef UCHAR_MAX
+#define UCHAR_MAX ((unsigned char)(-1))
+#endif
+
+/* POINTERS and WORK are both arrays of N pointers. When this
+ function returns POINTERS will be sorted in ascending order. */
void sort_pointers (n, pointers, work)
size_t n;
abort ();
/* Figure out the endianness of the machine. */
- for (i = 0; i < sizeof (size_t); ++i)
- ((char *)&j)[i] = i;
+ for (i = 0, j = 0; i < sizeof (size_t); ++i)
+ {
+ j *= (UCHAR_MAX + 1);
+ j += i;
+ }
big_endian_p = (((char *)&j)[0] == 0);
/* Move through the pointer values from least significant to most
/* Compute the address of the appropriate digit in the first and
one-past-the-end elements of the array. On a little-endian
machine, the least-significant digit is closest to the front. */
- bias = ((digit_t *) pointers) + i;
- top = ((digit_t *) (pointers + n)) + i;
+ bias = ((digit_t *) pointers) + j;
+ top = ((digit_t *) (pointers + n)) + j;
/* Count how many there are of each value. At the end of this
loop, COUNT[K] will contain the number of pointers whose Ith
/* Now, drop the pointers into their correct locations. */
for (pointerp = pointers + n - 1; pointerp >= pointers; --pointerp)
- work[--count[((digit_t *) pointerp)[i]]] = *pointerp;
+ work[--count[((digit_t *) pointerp)[j]]] = *pointerp;
/* Swap WORK and POINTERS so that POINTERS contains the sorted
array. */