af63ab64af
Client creates a string "1 2 3 ... 10000 ...", sends it to the server along with the maximum number in the string. Server creates another string like the client sent. It validates it and, returns strcmp()'s result. This is loop-ed every 2 seconds.
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* Copyright (C) 2011 Felix Fietkau <nbd@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1
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* as published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include "count.h"
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char *count_to_number(uint32_t num)
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{
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uint32_t ptr = 0, size = 0;
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uint32_t written = 0, i;
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int new_line_every_n_numbers = 30;
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char *s;
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for (i=0; i < num; ++i) {
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size += snprintf(NULL, 0, "%u ", i);
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if (i > 0 && i % new_line_every_n_numbers == 0)
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size++;
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}
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size++; /* one for null char */
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s = calloc(size, sizeof(char));
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if (!s)
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goto out;
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for (i=0; i < num; ++i) {
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written = sprintf(&s[ptr], "%u ", i);
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ptr += written;
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if (i > 0 && i % new_line_every_n_numbers == 0) {
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sprintf(&s[ptr], "\n");
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ptr++;
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}
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}
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out:
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return s;
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}
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