1 /* 2 * Command line options parser. 3 * 4 * Copyright (C) 1999-2009, Broadcom Corporation 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions of 16 * the license of that module. An independent module is a module which is not 17 * derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * $Id: miniopt.h,v 1.1.6.2 2009/01/14 23:52:48 Exp $ 24 */ 25 26 27 #ifndef MINI_OPT_H 28 #define MINI_OPT_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 /* ---- Include Files ---------------------------------------------------- */ 35 /* ---- Constants and Types ---------------------------------------------- */ 36 37 #define MINIOPT_MAXKEY 128 /* Max options */ 38 typedef struct miniopt { 39 40 /* These are persistent after miniopt_init() */ 41 const char* name; /* name for prompt in error strings */ 42 const char* flags; /* option chars that take no args */ 43 bool longflags; /* long options may be flags */ 44 bool opt_end; /* at end of options (passed a "--") */ 45 46 /* These are per-call to miniopt() */ 47 48 int consumed; /* number of argv entries cosumed in 49 * the most recent call to miniopt() 50 */ 51 bool positional; 52 bool good_int; /* 'val' member is the result of a sucessful 53 * strtol conversion of the option value 54 */ 55 char opt; 56 char key[MINIOPT_MAXKEY]; 57 char* valstr; /* positional param, or value for the option, 58 * or null if the option had 59 * no accompanying value 60 */ 61 uint uval; /* strtol translation of valstr */ 62 int val; /* strtol translation of valstr */ 63 } miniopt_t; 64 65 void miniopt_init(miniopt_t *t, const char* name, const char* flags, bool longflags); 66 int miniopt(miniopt_t *t, char **argv); 67 68 69 /* ---- Variable Externs ------------------------------------------------- */ 70 /* ---- Function Prototypes ---------------------------------------------- */ 71 72 73 #ifdef __cplusplus 74 } 75 #endif 76 77 #endif /* MINI_OPT_H */ 78