 db08adf526
			
		
	
	
		db08adf526
		
	
	
	
	
		
			
			This patch adds a small help text to each of the options in the block drivers which can be displayed by using qemu-img create -f fmt -o ? Signed-off-by: Kevin Wolf <kwolf@redhat.com>
		
			
				
	
	
		
			70 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Commandline option parsing functions
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|  *
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|  * Copyright (c) 2003-2008 Fabrice Bellard
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|  * Copyright (c) 2009 Kevin Wolf <kwolf@redhat.com>
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a copy
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|  * of this software and associated documentation files (the "Software"), to deal
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|  * in the Software without restriction, including without limitation the rights
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|  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  * copies of the Software, and to permit persons to whom the Software is
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|  * furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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|  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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|  * THE SOFTWARE.
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|  */
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| 
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| #ifndef QEMU_OPTIONS_H
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| #define QEMU_OPTIONS_H
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| 
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| enum QEMUOptionParType {
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|     OPT_FLAG,
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|     OPT_NUMBER,
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|     OPT_SIZE,
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|     OPT_STRING,
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| };
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| 
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| typedef struct QEMUOptionParameter {
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|     const char *name;
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|     enum QEMUOptionParType type;
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|     union {
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|         uint64_t n;
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|         char* s;
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|     } value;
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|     const char *help;
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| } QEMUOptionParameter;
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| 
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| 
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| const char *get_opt_name(char *buf, int buf_size, const char *p, char delim);
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| const char *get_opt_value(char *buf, int buf_size, const char *p);
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| 
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| 
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| /*
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|  * The following functions take a parameter list as input. This is a pointer to
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|  * the first element of a QEMUOptionParameter array which is terminated by an
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|  * entry with entry->name == NULL.
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|  */
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| 
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| QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list,
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|     const char *name);
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| int set_option_parameter(QEMUOptionParameter *list, const char *name,
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|     const char *value);
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| int set_option_parameter_int(QEMUOptionParameter *list, const char *name,
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|     uint64_t value);
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| QEMUOptionParameter *parse_option_parameters(const char *param,
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|     QEMUOptionParameter *list, QEMUOptionParameter *dest);
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| void free_option_parameters(QEMUOptionParameter *list);
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| void print_option_parameters(QEMUOptionParameter *list);
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| void print_option_help(QEMUOptionParameter *list);
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| 
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| #endif
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