1 /* 2 * Command line options parser. 3 * 4 * Copyright (C) 1999-2017, 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 * 24 * 25 * <<Broadcom-WL-IPTag/Open:>> 26 * 27 * $Id: miniopt.h 514727 2014-11-12 03:02:48Z $ 28 */ 29 30 31 #ifndef MINI_OPT_H 32 #define MINI_OPT_H 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* ---- Include Files ---------------------------------------------------- */ 39 40 41 /* ---- Constants and Types ---------------------------------------------- */ 42 43 #define MINIOPT_MAXKEY 128 /* Max options */ 44 typedef struct miniopt { 45 /* These are persistent after miniopt_init() */ 46 const char* name; /* name for prompt in error strings */ 47 const char* flags; /* option chars that take no args */ 48 bool longflags; /* long options may be flags */ 49 bool opt_end; /* at end of options (passed a "--") */ 50 51 /* These are per-call to miniopt() */ 52 53 int consumed; /* number of argv entries cosumed in 54 * the most recent call to miniopt() 55 */ 56 bool positional; 57 bool good_int; /* 'val' member is the result of a sucessful 58 * strtol conversion of the option value 59 */ 60 char opt; 61 char key[MINIOPT_MAXKEY]; 62 char* valstr; /* positional param, or value for the option, 63 * or null if the option had 64 * no accompanying value 65 */ 66 uint uval; /* strtol translation of valstr */ 67 int val; /* strtol translation of valstr */ 68 } miniopt_t; 69 70 void miniopt_init(miniopt_t *t, const char* name, const char* flags, bool longflags); 71 int miniopt(miniopt_t *t, char **argv); 72 73 74 /* ---- Variable Externs ------------------------------------------------- */ 75 /* ---- Function Prototypes ---------------------------------------------- */ 76 77 78 #ifdef __cplusplus 79 } 80 #endif 81 82 #endif /* MINI_OPT_H */ 83