67 lines
2.3 KiB
C
67 lines
2.3 KiB
C
/*
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* This file is part of ltrace.
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* Copyright (C) 2011,2012 Petr Machata, Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef ARGS_H
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#define ARGS_H
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#include "forward.h"
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#include "vect.h"
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/* Value dictionary is used to store actual function arguments. It
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* supports both numbered and named arguments. */
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struct value_dict
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{
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struct vect numbered;
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struct vect named;
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};
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/* Initialize DICT. */
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void val_dict_init(struct value_dict *dict);
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/* Clone SOURCE into TARGET. Return 0 on success or a negative value
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* on failure. */
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int val_dict_clone(struct value_dict *target, struct value_dict *source);
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/* Push next numbered value, VAL. The value is copied over and the
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* dictionary becomes its owner, and is responsible for destroying it
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* later. Returns 0 on success and a negative value on failure. */
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int val_dict_push_next(struct value_dict *dict, struct value *val);
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/* Return count of numbered arguments. */
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size_t val_dict_count(struct value_dict *dict);
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/* Push value VAL named NAME. See notes at val_dict_push_next about
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* value ownership. The name is owned and freed if OWN_NAME is
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* non-zero. */
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int val_dict_push_named(struct value_dict *dict, struct value *val,
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const char *name, int own_name);
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/* Get NUM-th numbered argument, or NULL if there's not that much
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* arguments. */
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struct value *val_dict_get_num(struct value_dict *dict, size_t num);
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/* Get argument named NAME, or NULL if there's no such argument. */
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struct value *val_dict_get_name(struct value_dict *dict, const char *name);
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/* Destroy the dictionary and all the values in it. Note that DICT
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* itself (the pointer) is not freed. */
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void val_dict_destroy(struct value_dict *dict);
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#endif /* ARGS_H */
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