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+ /*
+ ** L2 - OSSP Logging Library
+ ** Copyright (c) 2001 Cable & Wireless Deutschland GmbH
+ **
+ ** This file is part of OSSP L2, a flexible logging library which
+ ** can be found at http://www.ossp.org/pkg/l2/.
+ **
+ ** Permission to use, copy, modify, and distribute this software for
+ ** any purpose with or without fee is hereby granted, provided that
+ ** the above copyright notice and this permission notice appear in all
+ ** copies.
+ **
+ ** THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
+ ** 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.
+ **
+ ** l2_ut_format.h: printf(3)-style formatting API
+ */
+
+ #ifndef __L2_UT_FORMAT_H__
+ #define __L2_UT_FORMAT_H__
+
+ struct l2_util_format_st {
+ /* the output buffer */
+ char *curpos; /* start of output buffer (first pos) */
+ char *endpos; /* end of output buffer (last pos) */
+
+ /* callback for flushing the output buffer */
+ int (*flush)(
+ struct l2_util_format_st *spec /* this l2_util_format_t specification */
+ );
+
+ /* callback for formatting unknown %-constructs */
+ void (*format)(
+ struct l2_util_format_st *spec, /* this l2_util_format_t specification */
+ char *prefix_char, /* output arg: prefix character */
+ char *pad_char, /* output arg: padding character */
+ char **s_buf, /* output arg: string buffer */
+ size_t *s_len, /* output arg: string len */
+ char *num_buf, /* input arg: temporary buffer */
+ int num_buf_size, /* input arg: temporary buffer len */
+ char *extinfo, /* input arg: extension information */
+ char fmt_char, /* input arg: current formatting character */
+ va_list *ap /* in/out arg: variable argument pointer */
+ );
+
+ /* arbitrary passed-through application data */
+ union {
+ int i;
+ long l;
+ double d;
+ void *vp;
+ } data[6];
+ };
+
+ typedef struct l2_util_format_st l2_util_format_t;
+
+ int l2_util_format (l2_util_format_t *vbuff, const char *fmt, va_list ap);
+ int l2_util_vsprintf (char *s, size_t n, const char *fmt, va_list ap);
+ char *l2_util_vasprintf (const char *fmt, va_list ap);
+ int l2_util_sprintf (char *s, size_t n, const char *fmt, ...);
+ char *l2_util_asprintf (const char *fmt, ...);
+
+ #endif /* __L2_UT_FORMAT_H__ */
+
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