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Andre Przywara
88ac547769
xl_cfg_get_list can cope with the option not being a list, but it always reports a warning in this case. Introduce a parameter to omit this warning if needed. Future code can then decide what to do with this information. Signed-off-by: Andre Przywara <andre.przywara@amd.com> Acked-by: Ian Jackson <ian.jackson@eu.citrix.com> Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*
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* Copyright (C) 2010 Citrix Ltd.
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* Author Ian Jackson <ian.jackson@eu.citrix.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; version 2.1 only. with the special
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* exception on linking described in file LICENSE.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*/
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#ifndef LIBXLUTIL_H
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#define LIBXLUTIL_H
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#include <stdio.h>
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#include "libxl.h"
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/* Unless otherwise stated, all functions return an errno value. */
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typedef struct XLU_Config XLU_Config;
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typedef struct XLU_ConfigList XLU_ConfigList;
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XLU_Config *xlu_cfg_init(FILE *report, const char *report_filename);
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/* 0 means we got ENOMEM. */
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/* report_filename is copied; report is saved and must remain valid
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* until the Config is destroyed. */
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int xlu_cfg_readfile(XLU_Config*, const char *real_filename);
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int xlu_cfg_readdata(XLU_Config*, const char *data, int length);
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/* If these fail, then it is undefined behaviour to call xlu_cfg_get_...
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* functions. You have to just xlu_cfg_destroy. */
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void xlu_cfg_destroy(XLU_Config*);
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/* All of the following print warnings to "report" if there is a problem.
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* Return values are:
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* 0 OK
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* ESRCH not defined
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* EINVAL value found but wrong format for request (prints warning)
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* ERANGE value out of range (from strtol)
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*/
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int xlu_cfg_get_string(const XLU_Config*, const char *n, const char **value_r);
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int xlu_cfg_replace_string(const XLU_Config *cfg, const char *n, char **value_r); /* free/strdup version */
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int xlu_cfg_get_long(const XLU_Config*, const char *n, long *value_r);
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int xlu_cfg_get_list(const XLU_Config*, const char *n,
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XLU_ConfigList **list_r /* may be 0 */,
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int *entries_r /* may be 0 */,
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int dont_warn);
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/* there is no need to free *list_r; lifetime is that of the XLU_Config */
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const char *xlu_cfg_get_listitem(const XLU_ConfigList*, int entry);
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/* xlu_cfg_get_listitem cannot fail, except that if entry is
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* out of range it returns 0 (not setting errno) */
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#endif /* LIBXLUTIL_H */
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