version 1.13, 2000/11/24 14:27:19 |
version 1.14, 2001/05/03 13:41:01 |
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/* $OpenPackages$ */ |
/* $OpenBSD$ */ |
/* $OpenBSD$ */ |
/* $NetBSD: buf.h,v 1.7 1996/12/31 17:53:22 christos Exp $ */ |
/* $NetBSD: buf.h,v 1.7 1996/12/31 17:53:22 christos Exp $ */ |
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/* |
/* |
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* Copyright (c) 1999 Marc Espie. |
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* |
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* Extensive code changes for the OpenBSD project. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS |
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD |
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* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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/* |
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California. |
* Copyright (c) 1988, 1989, 1990 The Regents of the University of California. |
* Copyright (c) 1988, 1989 by Adam de Boor |
* Copyright (c) 1988, 1989 by Adam de Boor |
* Copyright (c) 1989 by Berkeley Softworks |
* Copyright (c) 1989 by Berkeley Softworks |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
* SUCH DAMAGE. |
* SUCH DAMAGE. |
* |
* |
* from: @(#)buf.h 8.1 (Berkeley) 6/6/93 |
* from: @(#)buf.h 8.1 (Berkeley) 6/6/93 |
*/ |
*/ |
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/*- |
/*- |
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typedef struct Buffer_ *Buffer; |
typedef struct Buffer_ *Buffer; |
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/* Internal support for Buf_AddChar. */ |
/* Internal support for Buf_AddChar. */ |
extern void BufOverflow __P((Buffer)); |
extern void BufOverflow(Buffer); |
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/* User interface */ |
/* User interface */ |
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/* Buf_AddChars -- Add a number of chars to the buffer. */ |
/* Buf_AddChars -- Add a number of chars to the buffer. */ |
extern void Buf_AddChars __P((Buffer, size_t, const char *)); |
extern void Buf_AddChars(Buffer, size_t, const char *); |
/* Buf_Reset -- Remove all chars from a buffer. */ |
/* Buf_Reset -- Remove all chars from a buffer. */ |
#define Buf_Reset(bp) ((void)((bp)->inPtr = (bp)->buffer)) |
#define Buf_Reset(bp) ((void)((bp)->inPtr = (bp)->buffer)) |
/* Buf_Size -- Return the number of chars in the given buffer. |
/* Buf_Size -- Return the number of chars in the given buffer. |
* Doesn't include the null-terminating char. */ |
* Doesn't include the null-terminating char. */ |
#define Buf_Size(bp) ((size_t)((bp)->inPtr - (bp)->buffer)) |
#define Buf_Size(bp) ((size_t)((bp)->inPtr - (bp)->buffer)) |
/* Buf_Init -- Initialize a buffer. If no initial size is given (0), |
/* Buf_Init -- Initialize a buffer. If no initial size is given, |
* a reasonable default is used. */ |
* a reasonable default is used. */ |
extern void Buf_Init __P((Buffer, size_t)); |
extern void Buf_Init(Buffer, size_t); |
/* Buf_Destroy -- Nuke a buffer and all its resources. */ |
/* Buf_Destroy -- Nuke a buffer and all its resources. */ |
#define Buf_Destroy(bp) (free((bp)->buffer)) |
#define Buf_Destroy(bp) ((void)free((bp)->buffer)) |
/* Buf_Retrieve -- Retrieve data from a buffer, as a NULL terminated string. */ |
/* Buf_Retrieve -- Retrieve data from a buffer, as a NULL terminated string. */ |
#define Buf_Retrieve(bp) (*(bp)->inPtr = '\0', (bp)->buffer) |
#define Buf_Retrieve(bp) (*(bp)->inPtr = '\0', (bp)->buffer) |
/* Buf_AddChar -- Add a single char to buffer. */ |
/* Buf_AddChar -- Add a single char to buffer. */ |
#define Buf_AddChar(bp, byte) \ |
#define Buf_AddChar(bp, byte) \ |
do { \ |
do { \ |
if ((bp)->endPtr - (bp)->inPtr <= 1) \ |
if ((bp)->endPtr - (bp)->inPtr <= 1) \ |
BufOverflow(bp); \ |
BufOverflow(bp); \ |
*(bp)->inPtr++ = (byte); \ |
*(bp)->inPtr++ = (byte); \ |
} while (0) |
} while (0) |
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/* Buf_AddSpace -- Add a space to buffer. */ |
/* Buf_AddSpace -- Add a space to buffer. */ |
#define Buf_AddSpace(b) Buf_AddChar((b), ' ') |
#define Buf_AddSpace(b) Buf_AddChar((b), ' ') |
/* Buf_AddString -- Add the contents of a NULL terminated string to buffer. */ |
/* Buf_AddString -- Add the contents of a NULL terminated string to buffer. */ |
#define Buf_AddString(b, s) Buf_AddChars((b), strlen(s), (s)) |
#define Buf_AddString(b, s) Buf_AddChars((b), strlen(s), (s)) |
/* Buf_AddInterval -- Add characters between pointers s and e to buffer. */ |
/* Buf_AddInterval -- Add characters between pointers s and e to buffer. */ |
#define Buf_AddInterval(b, s, e) Buf_AddChars((b), (e) - (s), (s)) |
#define Buf_AddInterval(b, s, e) Buf_AddChars((b), (e) - (s), (s)) |
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/* Buf_ReplaceLastChar -- Replace the last char in a buffer. */ |
extern void Buf_KillTrailingSpaces(Buffer); |
extern void Buf_ReplaceLastChar __P((Buffer, char)); |
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#endif /* _BUF_H */ |
#endif /* _BUF_H */ |