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1.1 root 1: /*
2: * Commandline option parsing functions
3: *
4: * Copyright (c) 2003-2008 Fabrice Bellard
5: * Copyright (c) 2009 Kevin Wolf <[email protected]>
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:
1.1.1.2 ! root 29: #include <stdint.h>
! 30: #include "qemu-queue.h"
! 31:
1.1 root 32: enum QEMUOptionParType {
33: OPT_FLAG,
34: OPT_NUMBER,
35: OPT_SIZE,
36: OPT_STRING,
37: };
38:
39: typedef struct QEMUOptionParameter {
40: const char *name;
41: enum QEMUOptionParType type;
42: union {
43: uint64_t n;
44: char* s;
45: } value;
46: const char *help;
47: } QEMUOptionParameter;
48:
49:
50: const char *get_opt_name(char *buf, int buf_size, const char *p, char delim);
51: const char *get_opt_value(char *buf, int buf_size, const char *p);
1.1.1.2 ! root 52: int get_next_param_value(char *buf, int buf_size,
! 53: const char *tag, const char **pstr);
! 54: int get_param_value(char *buf, int buf_size,
! 55: const char *tag, const char *str);
! 56: int check_params(char *buf, int buf_size,
! 57: const char * const *params, const char *str);
1.1 root 58:
59:
60: /*
61: * The following functions take a parameter list as input. This is a pointer to
62: * the first element of a QEMUOptionParameter array which is terminated by an
63: * entry with entry->name == NULL.
64: */
65:
66: QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list,
67: const char *name);
68: int set_option_parameter(QEMUOptionParameter *list, const char *name,
69: const char *value);
70: int set_option_parameter_int(QEMUOptionParameter *list, const char *name,
71: uint64_t value);
72: QEMUOptionParameter *parse_option_parameters(const char *param,
73: QEMUOptionParameter *list, QEMUOptionParameter *dest);
74: void free_option_parameters(QEMUOptionParameter *list);
75: void print_option_parameters(QEMUOptionParameter *list);
76: void print_option_help(QEMUOptionParameter *list);
77:
1.1.1.2 ! root 78: /* ------------------------------------------------------------------ */
! 79:
! 80: typedef struct QemuOpt QemuOpt;
! 81: typedef struct QemuOpts QemuOpts;
! 82: typedef struct QemuOptsList QemuOptsList;
! 83:
! 84: enum QemuOptType {
! 85: QEMU_OPT_STRING = 0, /* no parsing (use string as-is) */
! 86: QEMU_OPT_BOOL, /* on/off */
! 87: QEMU_OPT_NUMBER, /* simple number */
! 88: QEMU_OPT_SIZE, /* size, accepts (K)ilo, (M)ega, (G)iga, (T)era postfix */
! 89: };
! 90:
! 91: typedef struct QemuOptDesc {
! 92: const char *name;
! 93: enum QemuOptType type;
! 94: const char *help;
! 95: } QemuOptDesc;
! 96:
! 97: struct QemuOptsList {
! 98: const char *name;
! 99: QTAILQ_HEAD(, QemuOpts) head;
! 100: QemuOptDesc desc[];
! 101: };
! 102:
! 103: const char *qemu_opt_get(QemuOpts *opts, const char *name);
! 104: int qemu_opt_get_bool(QemuOpts *opts, const char *name, int defval);
! 105: uint64_t qemu_opt_get_number(QemuOpts *opts, const char *name, uint64_t defval);
! 106: uint64_t qemu_opt_get_size(QemuOpts *opts, const char *name, uint64_t defval);
! 107: int qemu_opt_set(QemuOpts *opts, const char *name, const char *value);
! 108: typedef int (*qemu_opt_loopfunc)(const char *name, const char *value, void *opaque);
! 109: int qemu_opt_foreach(QemuOpts *opts, qemu_opt_loopfunc func, void *opaque,
! 110: int abort_on_failure);
! 111:
! 112: QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id);
! 113: QemuOpts *qemu_opts_create(QemuOptsList *list, const char *id, int fail_if_exists);
! 114: int qemu_opts_set(QemuOptsList *list, const char *id,
! 115: const char *name, const char *value);
! 116: const char *qemu_opts_id(QemuOpts *opts);
! 117: void qemu_opts_del(QemuOpts *opts);
! 118: int qemu_opts_validate(QemuOpts *opts, QemuOptDesc *desc);
! 119: int qemu_opts_do_parse(QemuOpts *opts, const char *params, const char *firstname);
! 120: QemuOpts *qemu_opts_parse(QemuOptsList *list, const char *params, const char *firstname);
! 121:
! 122: typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque);
! 123: int qemu_opts_print(QemuOpts *opts, void *dummy);
! 124: int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque,
! 125: int abort_on_failure);
! 126:
1.1 root 127: #endif
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