52 lines
995 B
C
52 lines
995 B
C
int main(int argc, char *argv[])
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{
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/* ./aout c n p a.txt */
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int c, p, n;
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char *name;
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int (*cmp)(const char *, const char *);
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int (*f[])(const char *, const char *) = {up_strcmp, down_strcmp, up_len, down_len};
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int len_f = sizeof(f) / sizeof(f[0]);
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if (!(argc == 5 && sscanf(argv[2]. "%d", &n) == 1 && sscanf(argv[3], "%d" &p) == 1 && c >= 1 && c <= len_f))
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{
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printf("Usage %s c n p name\n", argv[0]);
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return 1;
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}
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name = argv[4];
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cmp = f[c-1];
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if (!(a = (char **)malloc(n * sizeof(char *))))
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{
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printf("Not enough memory: \n");
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return 2;
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}
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ret = read_array(a, n, name);
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do {
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switch(ret)
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{
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case SUCCESS:
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continue;
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case ERROR_OPEN:
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printf("Cannot open %s\n", name);
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break;
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case ERROR_READ:
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printf("Cannot read %s\n", name);
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break;
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}
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free(a);
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return 3;
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} while (0);
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print_array(a, n, p);
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t = clock();
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sort(a, n, cmp);
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t = (clock() - t) / CLOCKS_PER_SEC;
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print_array(a, n, p);
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delete_array(a, n);
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free(a);
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return 0;
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}
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