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29ad523018
Use size_t for all sizes. The '*' modifier unfortunately does require an int so a temporary variable is necessary in the tests. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Laine Stump <laine@laine.org>
120 lines
4.0 KiB
C
120 lines
4.0 KiB
C
/*
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* virbuffer.h: buffers for libvirt
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*
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* Copyright (C) 2005-2008, 2011-2014 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBVIRT_VIRBUFFER_H
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# define LIBVIRT_VIRBUFFER_H
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# include <stdarg.h>
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# include "internal.h"
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# include "viralloc.h"
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/**
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* virBuffer:
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*
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* A buffer structure.
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*/
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typedef struct _virBuffer virBuffer;
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typedef virBuffer *virBufferPtr;
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# define VIR_BUFFER_INITIALIZER { 0, 0, 0, 0, NULL }
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struct _virBuffer {
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size_t size;
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size_t use;
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unsigned int error; /* errno value, or -1 for usage error */
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int indent;
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char *content;
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};
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const char *virBufferCurrentContent(virBufferPtr buf);
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char *virBufferContentAndReset(virBufferPtr buf);
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void virBufferFreeAndReset(virBufferPtr buf);
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int virBufferError(const virBuffer *buf);
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int virBufferCheckErrorInternal(const virBuffer *buf,
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int domcode,
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const char *filename,
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const char *funcname,
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size_t linenr)
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ATTRIBUTE_NONNULL(1);
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VIR_DEFINE_AUTOCLEAN_FUNC(virBuffer, virBufferFreeAndReset);
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/**
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* virBufferCheckError
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*
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* Checks if the buffer is in error state and reports an error.
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*
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* Returns 0 if no error has occurred, otherwise an error is reported
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* and -1 is returned.
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*/
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# define virBufferCheckError(buf) \
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virBufferCheckErrorInternal(buf, VIR_FROM_THIS, __FILE__, __FUNCTION__, \
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__LINE__)
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size_t virBufferUse(const virBuffer *buf);
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void virBufferAdd(virBufferPtr buf, const char *str, int len);
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void virBufferAddBuffer(virBufferPtr buf, virBufferPtr toadd);
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void virBufferAddChar(virBufferPtr buf, char c);
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void virBufferAsprintf(virBufferPtr buf, const char *format, ...)
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ATTRIBUTE_FMT_PRINTF(2, 3);
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void virBufferVasprintf(virBufferPtr buf, const char *format, va_list ap)
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ATTRIBUTE_FMT_PRINTF(2, 0);
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void virBufferStrcat(virBufferPtr buf, ...)
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ATTRIBUTE_SENTINEL;
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void virBufferStrcatVArgs(virBufferPtr buf, va_list ap);
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void virBufferEscape(virBufferPtr buf, char escape, const char *toescape,
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const char *format, const char *str);
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void virBufferEscapeString(virBufferPtr buf, const char *format,
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const char *str);
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void virBufferEscapeSexpr(virBufferPtr buf, const char *format,
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const char *str);
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void virBufferEscapeRegex(virBufferPtr buf,
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const char *format,
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const char *str);
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void virBufferEscapeSQL(virBufferPtr buf,
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const char *format,
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const char *str);
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void virBufferEscapeShell(virBufferPtr buf, const char *str);
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void virBufferURIEncodeString(virBufferPtr buf, const char *str);
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# define virBufferAddLit(buf_, literal_string_) \
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virBufferAdd(buf_, "" literal_string_ "", sizeof(literal_string_) - 1)
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void virBufferAdjustIndent(virBufferPtr buf, int indent);
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void virBufferSetIndent(virBufferPtr, int indent);
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/**
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* virBufferSetChildIndent
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*
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* Gets the parent indentation, increments it by 2 and sets it to
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* child buffer.
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*/
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# define virBufferSetChildIndent(childBuf_, parentBuf_) \
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virBufferSetIndent(childBuf_, virBufferGetIndent(parentBuf_, false) + 2)
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int virBufferGetIndent(const virBuffer *buf, bool dynamic);
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void virBufferTrim(virBufferPtr buf, const char *trim, int len);
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void virBufferAddStr(virBufferPtr buf, const char *str);
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#endif /* LIBVIRT_VIRBUFFER_H */
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