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71 lines
2.4 KiB
C
71 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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#include <stdio.h>
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#include <string.h>
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#include "qemu-common.h"
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#include "qapi/qmp/qerror.h"
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#include "qemu/option.h"
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void parse_option_size(const char *name, const char *value,
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uint64_t *ret, Error **errp)
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{
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char *postfix;
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double sizef;
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if (value != NULL) {
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sizef = strtod(value, &postfix);
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switch (*postfix) {
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case 'T':
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sizef *= 1024;
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/* fall through */
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case 'G':
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sizef *= 1024;
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/* fall through */
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case 'M':
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sizef *= 1024;
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/* fall through */
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case 'K':
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case 'k':
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sizef *= 1024;
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/* fall through */
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case 'b':
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case '\0':
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*ret = (uint64_t) sizef;
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break;
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default:
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error_set(errp, QERR_INVALID_PARAMETER_VALUE, name, "a size");
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#if 0 /* conversion from qerror_report() to error_set() broke this: */
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error_printf_unless_qmp("You may use k, M, G or T suffixes for "
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"kilobytes, megabytes, gigabytes and terabytes.\n");
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#endif
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return;
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}
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} else {
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error_set(errp, QERR_INVALID_PARAMETER_VALUE, name, "a size");
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}
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}
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