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Cream of the Crop 1
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Cream of the Crop 1.iso
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PROGRAM
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SNIP1292.ARJ
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STRSORT.C
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C/C++ Source or Header
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1992-04-27
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910b
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35 lines
/*
** strsort() -- Shell sort an array of string pointers via strcmp()
** public domain by Ray Gardner Denver, CO 12/88
*/
#include <string.h>
#include <stddef.h>
void strsort (char **array, size_t array_size)
{
size_t gap, i, j;
char **a, **b, *tmp;
for (gap = 0; ++gap < array_size; )
gap *= 2;
while (gap /= 2)
{
for (i = gap; i < array_size; i++)
{
for (j = i - gap; ;j -= gap)
{
a = array + j;
b = a + gap;
if (strcmp(*a, *b) <= 0)
break;
tmp = *a;
*a = *b;
*b = tmp;
if (j < gap)
break;
}
}
}
}