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/*
* libmowgli: A collection of useful routines for programming.
* mowgli_argstack.h: Argument stacks.
*
* Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __MOWGLI_ARGSTACK_H__
#define __MOWGLI_ARGSTACK_H__
typedef enum {
MOWGLI_ARG_NUMERIC,
MOWGLI_ARG_POINTER,
MOWGLI_ARG_STRING,
MOWGLI_ARG_BOOLEAN
} mowgli_argstack_element_type_t;
typedef struct {
union {
int numeric;
void *pointer;
char *string;
mowgli_boolean_t boolean;
} data;
mowgli_argstack_element_type_t type;
} mowgli_argstack_element_t;
typedef struct {
mowgli_object_t parent;
mowgli_list_t stack;
} mowgli_argstack_t;
extern mowgli_argstack_t *mowgli_argstack_create(const char *descstr, ...);
extern mowgli_argstack_t *mowgli_argstack_create_from_va_list(const char *descstr, va_list va);
extern void mowgli_argstack_init(void);
extern const char *mowgli_argstack_pop_string(mowgli_argstack_t *);
extern int mowgli_argstack_pop_numeric(mowgli_argstack_t *);
extern mowgli_boolean_t mowgli_argstack_pop_boolean(mowgli_argstack_t *);
extern void *mowgli_argstack_pop_pointer(mowgli_argstack_t *);
#endif
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