1 /*
2 * misc.c Miscellaneous TIPC helper functions.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
8 *
9 * Authors: Richard Alpe <richard.alpe@ericsson.com>
10 */
11
12 #include <stdio.h>
13 #include <stdint.h>
14 #include <linux/tipc.h>
15
16 #include "misc.h"
17
18 #define IN_RANGE(val, low, high) ((val) <= (high) && (val) >= (low))
19
str2addr(char * str)20 uint32_t str2addr(char *str)
21 {
22 unsigned int z, c, n;
23 char dummy;
24
25 if (sscanf(str, "%u.%u.%u%c", &z, &c, &n, &dummy) != 3) {
26 fprintf(stderr, "invalid network address, syntax: Z.C.N\n");
27 return 0;
28 }
29
30 if (IN_RANGE(z, 0, 255) && IN_RANGE(c, 0, 4095) && IN_RANGE(n, 0, 4095))
31 return tipc_addr(z, c, n);
32
33 fprintf(stderr, "invalid network address \"%s\"\n", str);
34 return 0;
35 }
36