libjf API reference guide

jf_trace.c

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/*
 * Copyright 2005 Tiian
 * {In real life Tiian is Christian Ferrari}
 * This file is part of "libjf" package.
 *
 * "libjf" is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * "libjf" is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with ; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
#include <jf/jf_config.h>



#ifdef HAVE_STDARG_H
# include <stdarg.h>
#endif
#ifdef HAVE_STDIO_H
# include <stdio.h>
#endif

#include <jf/jf_trace.h>



int jf_trace(const char *fmt, ...)
{
        va_list args;

        va_start(args, fmt);
#ifdef HAVE_VFPRINTF
        vfprintf(stderr, fmt, args);
#else
# error "vfprintf is necessary for jf_trace function!"
#endif
        va_end(args);
        return 0;
}



void jf_trace_hex_data(const byte_t *data, jf_word_t size,
                       FILE *out_stream)
{
        jf_word_t i;

        for (i = 0; i < size; ++i) {
                fprintf(out_stream, "%02x ", (data[i] & 0xff));
        } /* for (i = 0; i < size; ++i) */
}



void jf_trace_text_data(const byte_t *data, jf_word_t size,
                        FILE *out_stream)
{
        jf_word_t i;

        for (i = 0; i < size; ++i) {
                if (data[i] >= (byte_t)' ' && data[i] < (byte_t)0x80)
                        putc((int)(data[i] & 0xff), out_stream);
                else
                        putc((int)' ', out_stream);
        } /* for (i = 0; i < size; ++i) */
}

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Copyright 2005 © Tiian