/usr/include/json/printbuf.h is in libjson0-dev 0.9-1ubuntu1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: printbuf.h,v 1.4 2006/01/26 02:16:28 mclark Exp $
*
* Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
* Michael Clark <michael@metaparadigm.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See COPYING for details.
*
*
* Copyright (c) 2008-2009 Yahoo! Inc. All rights reserved.
* The copyrights to the contents of this file are licensed under the MIT License
* (http://www.opensource.org/licenses/mit-license.php)
*/
#ifndef _printbuf_h_
#define _printbuf_h_
#ifdef __cplusplus
extern "C" {
#endif
#undef PRINTBUF_DEBUG
struct printbuf {
char *buf;
int bpos;
int size;
};
extern struct printbuf*
printbuf_new(void);
/* As an optimization, printbuf_memappend is defined as a macro that
* handles copying data if the buffer is large enough; otherwise it
* invokes printbuf_memappend_real() which performs the heavy lifting
* of realloc()ing the buffer and copying data.
*/
extern int
printbuf_memappend(struct printbuf *p, const char *buf, int size);
#define printbuf_memappend_fast(p, bufptr, bufsize) \
do { \
if ((p->size - p->bpos) > bufsize) { \
memcpy(p->buf + p->bpos, (bufptr), bufsize); \
p->bpos += bufsize; \
p->buf[p->bpos]= '\0'; \
} else { printbuf_memappend(p, (bufptr), bufsize); } \
} while (0)
extern int
sprintbuf(struct printbuf *p, const char *msg, ...);
extern void
printbuf_reset(struct printbuf *p);
extern void
printbuf_free(struct printbuf *p);
#ifdef __cplusplus
}
#endif
#endif
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