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Diffstat (limited to 'tools/libxl/libxlutil.h')
-rw-r--r-- | tools/libxl/libxlutil.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/libxl/libxlutil.h b/tools/libxl/libxlutil.h new file mode 100644 index 0000000000..97b16aa134 --- /dev/null +++ b/tools/libxl/libxlutil.h @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2010 Citrix Ltd. + * Author Ian Jackson <ian.jackson@eu.citrix.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; version 2.1 only. with the special + * exception on linking described in file LICENSE. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + */ + +#ifndef LIBXLUTIL_H +#define LIBXLUTIL_H + +#include <stdio.h> + +#include "libxl.h" + +/* Unless otherwise stated, all functions return an errno value. */ +typedef struct XLU_Config XLU_Config; +typedef struct XLU_ConfigList XLU_ConfigList; + +XLU_Config *xlu_cfg_init(FILE *report, const char *report_filename); + /* 0 means we got ENOMEM. */ + /* report_filename is copied; report is saved and must remain valid + * until the Config is destroyed. */ + +int xlu_cfg_readfile(XLU_Config*, const char *real_filename); + /* If this fails, then it is undefined behaviour to call xlu_cfg_get_... + * functions. You have to just xlu_cfg_destroy. */ + +void xlu_cfg_destroy(XLU_Config*); + + +/* All of the following print warnings to "report" if there is a problem. + * Return values are: + * 0 OK + * ESRCH not defined + * EINVAL value found but wrong format for request (prints warning) + * ERANGE value out of range (from strtol) + */ + +int xlu_cfg_get_string(const XLU_Config*, const char *n, const char **value_r); +int xlu_cfg_get_long(const XLU_Config*, const char *n, long *value_r); + +int xlu_cfg_get_list(const XLU_Config*, const char *n, + XLU_ConfigList **list_r /* may be 0 */, + int *entries_r /* may be 0 */); + /* there is no need to free *list_r; lifetime is that of the XLU_Config */ +const char *xlu_cfg_get_listitem(const XLU_ConfigList*, int entry); + /* xlu_cfg_get_listitem cannot fail, except that if entry is + * out of range it returns 0 (not setting errno) */ + +#endif /* LIBXLUTIL_H */ |