mirror of
git://sourceware.org/git/lvm2.git
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156 lines
3.4 KiB
C
156 lines
3.4 KiB
C
/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the LGPL.
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*/
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#ifndef _LVM_TOOLS_H
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#define _LVM_TOOLS_H
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#define _GNU_SOURCE
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#include "activate.h"
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#include "archive.h"
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#include "cache.h"
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#include "config.h"
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#include "dbg_malloc.h"
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#include "dev-cache.h"
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#include "device.h"
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#include "display.h"
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#include "errors.h"
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#include "filter.h"
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#include "filter-composite.h"
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#include "filter-persistent.h"
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#include "filter-regex.h"
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#include "format-text.h"
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#include "metadata.h"
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#include "list.h"
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#include "locking.h"
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#include "log.h"
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#include "lvm-file.h"
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#include "lvm-string.h"
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#include "pool.h"
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#include "toolcontext.h"
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#include "toollib.h"
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#include <ctype.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#define CMD_LEN 256
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#define MAX_ARGS 64
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/* command functions */
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typedef int (*command_fn) (struct cmd_context * cmd, int argc, char **argv);
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#define xx(a, b...) int a(struct cmd_context *cmd, int argc, char **argv);
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#include "commands.h"
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#undef xx
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/* define the enums for the command line switches */
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enum {
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#define arg(a, b, c, d) a ,
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#include "args.h"
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#undef arg
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};
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typedef enum {
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SIGN_NONE = 0,
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SIGN_PLUS = 1,
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SIGN_MINUS = 2
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} sign_t;
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/* a global table of possible arguments */
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struct arg {
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char short_arg;
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char *long_arg;
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int (*fn) (struct cmd_context * cmd, struct arg * a);
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int count;
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char *value;
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uint32_t i_value;
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uint64_t i64_value;
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sign_t sign;
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void *ptr;
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};
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/* a register of the lvm commands */
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struct command {
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const char *name;
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const char *desc;
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const char *usage;
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command_fn fn;
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int num_args;
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int *valid_args;
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};
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void usage(const char *name);
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/* the argument verify/normalise functions */
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int yes_no_arg(struct cmd_context *cmd, struct arg *a);
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int size_arg(struct cmd_context *cmd, struct arg *a);
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int int_arg(struct cmd_context *cmd, struct arg *a);
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int int_arg_with_sign(struct cmd_context *cmd, struct arg *a);
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int minor_arg(struct cmd_context *cmd, struct arg *a);
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int string_arg(struct cmd_context *cmd, struct arg *a);
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int permission_arg(struct cmd_context *cmd, struct arg *a);
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int metadatatype_arg(struct cmd_context *cmd, struct arg *a);
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char yes_no_prompt(const char *prompt, ...);
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/* we use the enums to access the switches */
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static inline int arg_count(struct cmd_context *cmd, int a)
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{
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return cmd->args[a].count;
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}
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static inline char *arg_value(struct cmd_context *cmd, int a)
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{
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return cmd->args[a].value;
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}
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static inline char *arg_str_value(struct cmd_context *cmd, int a, char *def)
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{
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return arg_count(cmd, a) ? cmd->args[a].value : def;
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}
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static inline uint32_t arg_int_value(struct cmd_context *cmd, int a,
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uint32_t def)
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{
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return arg_count(cmd, a) ? cmd->args[a].i_value : def;
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}
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static inline uint64_t arg_int64_value(struct cmd_context *cmd, int a,
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uint64_t def)
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{
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return arg_count(cmd, a) ? cmd->args[a].i64_value : def;
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}
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static inline void *arg_ptr_value(struct cmd_context *cmd, int a, void *def)
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{
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return arg_count(cmd, a) ? cmd->args[a].ptr : def;
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}
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static inline sign_t arg_sign_value(struct cmd_context *cmd, int a, sign_t def)
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{
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return arg_count(cmd, a) ? cmd->args[a].sign : def;
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}
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static inline int arg_count_increment(struct cmd_context *cmd, int a)
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{
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return cmd->args[a].count++;
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}
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static inline const char *command_name(struct cmd_context *cmd)
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{
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return cmd->command->name;
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}
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#endif
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