1 /* 2 * Commandline option parsing functions 3 * 4 * Copyright (c) 2003-2008 Fabrice Bellard 5 * Copyright (c) 2009 Kevin Wolf <kwolf@redhat.com> 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #ifndef QEMU_OPTIONS_H 27 #define QEMU_OPTIONS_H 28 29 enum QEMUOptionParType { 30 OPT_FLAG, 31 OPT_NUMBER, 32 OPT_SIZE, 33 OPT_STRING, 34 }; 35 36 typedef struct QEMUOptionParameter { 37 const char *name; 38 enum QEMUOptionParType type; 39 union { 40 uint64_t n; 41 char* s; 42 } value; 43 const char *help; 44 } QEMUOptionParameter; 45 46 47 const char *get_opt_name(char *buf, int buf_size, const char *p, char delim); 48 const char *get_opt_value(char *buf, int buf_size, const char *p); 49 50 51 /* 52 * The following functions take a parameter list as input. This is a pointer to 53 * the first element of a QEMUOptionParameter array which is terminated by an 54 * entry with entry->name == NULL. 55 */ 56 57 QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list, 58 const char *name); 59 int set_option_parameter(QEMUOptionParameter *list, const char *name, 60 const char *value); 61 int set_option_parameter_int(QEMUOptionParameter *list, const char *name, 62 uint64_t value); 63 QEMUOptionParameter *parse_option_parameters(const char *param, 64 QEMUOptionParameter *list, QEMUOptionParameter *dest); 65 void free_option_parameters(QEMUOptionParameter *list); 66 void print_option_parameters(QEMUOptionParameter *list); 67 void print_option_help(QEMUOptionParameter *list); 68 69 #endif 70