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/*
* (C) Copyright 2012
* Joe Hershberger, National Instruments, joe.hershberger@ni.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#ifndef __ENV_FLAGS_H__
#define __ENV_FLAGS_H__
enum env_flags_vartype {
env_flags_vartype_string,
env_flags_vartype_decimal,
env_flags_vartype_hex,
env_flags_vartype_bool,
#ifdef CONFIG_CMD_NET
env_flags_vartype_ipaddr,
env_flags_vartype_macaddr,
#endif
env_flags_vartype_end
};
#define ENV_FLAGS_VAR ".flags"
#define ENV_FLAGS_ATTR_MAX_LEN 2
#define ENV_FLAGS_VARTYPE_LOC 0
#ifndef CONFIG_ENV_FLAGS_LIST_STATIC
#define CONFIG_ENV_FLAGS_LIST_STATIC ""
#endif
#define ENV_FLAGS_LIST_STATIC \
CONFIG_ENV_FLAGS_LIST_STATIC
#ifdef CONFIG_CMD_ENV_FLAGS
/*
* Print the whole list of available type flags.
*/
void env_flags_print_vartypes(void);
/*
* Return the name of the type.
*/
const char *env_flags_get_vartype_name(enum env_flags_vartype type);
#endif
/*
* Parse the flags string from a .flags attribute list into the vartype enum.
*/
enum env_flags_vartype env_flags_parse_vartype(const char *flags);
#ifdef USE_HOSTCC
/*
* Look up the type of a variable directly from the .flags var.
*/
enum env_flags_vartype env_flags_get_type(const char *name);
/*
* Validate the newval for its type to conform with the requirements defined by
* its flags (directly looked at the .flags var).
*/
int env_flags_validate_type(const char *name, const char *newval);
/*
* Validate the parameters passed to "env set" for type compliance
*/
int env_flags_validate_env_set_params(int argc, char * const argv[]);
#else /* !USE_HOSTCC */
#include <search.h>
/*
* When adding a variable to the environment, initialize the flags for that
* variable.
*/
void env_flags_init(ENTRY *var_entry);
/*
* Validate the newval for to conform with the requirements defined by its flags
*/
int env_flags_validate(const ENTRY *item, const char *newval, enum env_op op,
int flag);
/*
* These are the binary flags used in the environment entry->flags variable to
* decribe properties of veriables in the table
*/
#define ENV_FLAGS_VARTYPE_BIN_MASK 0x00000007
/* The actual variable type values use the enum value (within the mask) */
#endif /* USE_HOSTCC */
#endif /* __ENV_FLAGS_H__ */
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