mirror of
https://github.com/nunuhara/xsystem4.git
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51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/* Copyright (C) 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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, see <http://gnu.org/licenses/>.
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*/
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#ifndef SYSTEM4_BUFFER_H
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#define SYSTEM4_BUFFER_H
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#include <stdint.h>
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#include <stddef.h>
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struct buffer {
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uint8_t *buf;
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size_t size;
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size_t index;
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};
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void buffer_init(struct buffer *r, uint8_t *buf, size_t size);
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int32_t buffer_read_int32(struct buffer *r);
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float buffer_read_float(struct buffer *r);
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struct string *buffer_read_pascal_string(struct buffer *r);
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void buffer_skip(struct buffer *r, size_t off);
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size_t buffer_remaining(struct buffer *r);
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char *buffer_strdata(struct buffer *r);
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void buffer_write_int32(struct buffer *b, uint32_t v);
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void buffer_write_int32_at(struct buffer *buf, size_t index, uint32_t v);
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void buffer_write_float(struct buffer *b, float f);
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void buffer_write_bytes(struct buffer *b, const uint8_t *bytes, size_t len);
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void buffer_write_string(struct buffer *b, struct string *s);
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void buffer_write_cstring(struct buffer *b, const char *s);
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void buffer_write_pascal_string(struct buffer *b, struct string *s);
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static inline void buffer_seek(struct buffer *r, size_t off)
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{
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r->index = off;
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}
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#endif /* SYSTEM4_BUFFER_H */
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