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 (at) 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 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