2021-06-25 18:16:24 +00:00
|
|
|
/* $NetBSD: buf.h,v 1.43 2021/04/03 11:08:40 rillig Exp $ */
|
2012-06-08 21:57:36 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
|
|
|
|
*
|
|
|
|
* This code is derived from software contributed to Berkeley by
|
|
|
|
* Adam de Boor.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
|
|
* may be used to endorse or promote products derived from this software
|
|
|
|
* without specific prior written permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
|
|
*
|
|
|
|
* from: @(#)buf.h 8.1 (Berkeley) 6/6/93
|
|
|
|
*/
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Copyright (c) 1988, 1989 by Adam de Boor
|
|
|
|
* Copyright (c) 1989 by Berkeley Softworks
|
|
|
|
* All rights reserved.
|
|
|
|
*
|
|
|
|
* This code is derived from software contributed to Berkeley by
|
|
|
|
* Adam de Boor.
|
|
|
|
*
|
|
|
|
* Redistribution and use in source and binary forms, with or without
|
|
|
|
* modification, are permitted provided that the following conditions
|
|
|
|
* are met:
|
|
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer.
|
|
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
|
|
* documentation and/or other materials provided with the distribution.
|
|
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
|
|
* must display the following acknowledgement:
|
|
|
|
* This product includes software developed by the University of
|
|
|
|
* California, Berkeley and its contributors.
|
|
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
|
|
* may be used to endorse or promote products derived from this software
|
|
|
|
* without specific prior written permission.
|
|
|
|
*
|
|
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
|
|
|
|
*
|
|
|
|
* from: @(#)buf.h 8.1 (Berkeley) 6/6/93
|
|
|
|
*/
|
|
|
|
|
2020-09-05 16:11:04 +00:00
|
|
|
/* Automatically growing null-terminated buffers of characters. */
|
2012-06-08 21:57:36 +00:00
|
|
|
|
2017-07-15 18:43:39 +00:00
|
|
|
#ifndef MAKE_BUF_H
|
|
|
|
#define MAKE_BUF_H
|
2012-06-08 21:57:36 +00:00
|
|
|
|
2020-09-05 16:11:04 +00:00
|
|
|
#include <stddef.h>
|
2012-06-08 21:57:36 +00:00
|
|
|
|
2020-09-05 16:11:04 +00:00
|
|
|
/* An automatically growing null-terminated buffer of characters. */
|
2012-06-08 21:57:36 +00:00
|
|
|
typedef struct Buffer {
|
2021-02-11 01:51:11 +00:00
|
|
|
size_t cap; /* Allocated size of the buffer, including the '\0' */
|
|
|
|
size_t len; /* Number of bytes in buffer, excluding the '\0' */
|
2021-01-14 01:24:34 +00:00
|
|
|
char *data; /* The buffer itself (always null-terminated) */
|
2012-06-08 21:57:36 +00:00
|
|
|
} Buffer;
|
|
|
|
|
2021-01-14 01:24:34 +00:00
|
|
|
void Buf_Expand(Buffer *);
|
2012-06-08 21:57:36 +00:00
|
|
|
|
2020-09-05 16:11:04 +00:00
|
|
|
/* Buf_AddByte adds a single byte to a buffer. */
|
2020-11-20 03:54:37 +00:00
|
|
|
MAKE_INLINE void
|
2020-11-07 19:39:21 +00:00
|
|
|
Buf_AddByte(Buffer *buf, char byte)
|
2020-09-05 16:11:04 +00:00
|
|
|
{
|
2021-01-14 01:24:34 +00:00
|
|
|
size_t old_len = buf->len++;
|
|
|
|
char *end;
|
2021-02-11 01:51:11 +00:00
|
|
|
if (old_len + 1 >= buf->cap)
|
2021-01-14 01:24:34 +00:00
|
|
|
Buf_Expand(buf);
|
|
|
|
end = buf->data + old_len;
|
|
|
|
end[0] = byte;
|
|
|
|
end[1] = '\0';
|
2020-09-05 16:11:04 +00:00
|
|
|
}
|
2012-06-08 21:57:36 +00:00
|
|
|
|
2021-06-25 18:16:24 +00:00
|
|
|
MAKE_INLINE bool
|
2020-11-07 19:39:21 +00:00
|
|
|
Buf_EndsWith(const Buffer *buf, char ch)
|
|
|
|
{
|
2021-01-14 01:24:34 +00:00
|
|
|
return buf->len > 0 && buf->data[buf->len - 1] == ch;
|
2020-09-05 16:11:04 +00:00
|
|
|
}
|
2012-06-08 21:57:36 +00:00
|
|
|
|
2020-09-05 16:11:04 +00:00
|
|
|
void Buf_AddBytes(Buffer *, const char *, size_t);
|
|
|
|
void Buf_AddBytesBetween(Buffer *, const char *, const char *);
|
|
|
|
void Buf_AddStr(Buffer *, const char *);
|
|
|
|
void Buf_AddInt(Buffer *, int);
|
2012-06-08 21:57:36 +00:00
|
|
|
void Buf_Empty(Buffer *);
|
2020-11-20 03:54:37 +00:00
|
|
|
void Buf_Init(Buffer *);
|
|
|
|
void Buf_InitSize(Buffer *, size_t);
|
2021-02-11 01:51:11 +00:00
|
|
|
void Buf_Done(Buffer *);
|
|
|
|
char *Buf_DoneData(Buffer *);
|
|
|
|
char *Buf_DoneDataCompact(Buffer *);
|
2012-06-08 21:57:36 +00:00
|
|
|
|
2017-07-15 18:43:39 +00:00
|
|
|
#endif /* MAKE_BUF_H */
|