1 /* $NetBSD: signalnumber.c,v 1.1 2017/05/09 11:14:16 kre Exp $ */ 2 3 /* 4 * Software available to all and sundry without limitations 5 * but without warranty of fitness for any purpose whatever. 6 * 7 * Licensed for any use, including redistribution in source 8 * and binary forms, with or without modifications, subject 9 * the following agreement: 10 * 11 * Licensee agrees to indemnify licensor, and distributor, for 12 * the full amount of any any claim made by the licensee against 13 * the licensor or distributor, for any action that results from 14 * any use or redistribution of this software, plus any costs 15 * incurred by licensor or distributor resulting from that claim. 16 * 17 * This licence must be retained with the software. 18 */ 19 20 #include <signal.h> 21 #include <string.h> 22 23 /* 24 * signalnumber() 25 * 26 * Converts the signal named "name" to its 27 * signal number. 28 * 29 * "name" can be the signal name with or without 30 * the leading "SIG" prefix, and character comparisons 31 * are done in a case independent manner. 32 * (ie: SIGINT == INT == int == Int == SiGiNt == (etc).) 33 * 34 * Returns: 35 * 0 on error (invalid signal name) 36 * otherwise the signal number that corresponds to "name" 37 */ 38 39 int 40 signalnumber(const char *name) 41 { 42 int i; 43 44 if (strncasecmp(name, "sig", 3) == 0) 45 name += 3; 46 47 for (i = 1; i < NSIG; ++i) 48 if (sys_signame[i] != NULL && 49 strcasecmp(name, sys_signame[i]) == 0) 50 return i; 51 return 0; 52 } 53