66 lines
1.1 KiB
C
66 lines
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "bucketsort.h"
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#define LENGTH 8
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FILE *fin, *fout;
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char *strings;
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long int N;
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void openfiles(char* in, char* out) {
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fin = fopen(in, "r+");
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if (fin == NULL) {
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perror("fopen fin");
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exit(EXIT_FAILURE);
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}
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fout = fopen(out, "w");
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if (fout == NULL) {
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perror("fopen fout");
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exit(EXIT_FAILURE);
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}
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}
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void closefiles(void) {
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fclose(fin);
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fclose(fout);
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}
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int main(int argc, char* argv[]) {
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long int i, *r;
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if (argc != 3) {
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printf("usage: %s [input_file] [output_file]\n", argv[0]);
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return 0;
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}
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openfiles(argv[1], argv[2]);
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fscanf(fin, "%ld", &N);
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strings = (char*) malloc(N * LENGTH);
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if (strings == NULL) {
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perror("malloc strings");
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exit(EXIT_FAILURE);
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}
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for (i = 0; i < N; i++)
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fscanf(fin, "%s", strings + (i * LENGTH));
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fflush(stdout);
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r = bucket_sort(strings, LENGTH, N);
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fflush(stdout);
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for (i = 0; i < N; i++)
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fprintf(fout, "%s\n", strings + (r[i] * LENGTH));
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free(r);
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free(strings);
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closefiles();
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return EXIT_SUCCESS;
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}
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