blob: fd9bc86bb88961f14e61e32f0c5b9aba4afa4683 [file] [log] [blame]
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
* Copyright (C) 2013 - 2014 Aleksander Morgado <aleksander@aleksander.es>
* Copyright (C) 2017 Google Inc.
*/
#include <config.h>
#include <stdio.h>
#include "mbim-common.h"
/*****************************************************************************/
gchar *
mbim_common_str_hex (gconstpointer mem,
gsize size,
gchar delimiter)
{
const guint8 *data = mem;
gsize i;
gsize j;
gsize new_str_length;
gchar *new_str;
/* Get new string length. If input string has N bytes, we need:
* - 1 byte for last NUL char
* - 2N bytes for hexadecimal char representation of each byte...
* - N-1 bytes for the separator ':'
* So... a total of (1+2N+N-1) = 3N bytes are needed... */
new_str_length = 3 * size;
/* Allocate memory for new array and initialize contents to NUL */
new_str = g_malloc0 (new_str_length);
/* Print hexadecimal representation of each byte... */
for (i = 0, j = 0; i < size; i++, j += 3) {
/* Print character in output string... */
snprintf (&new_str[j], 3, "%02X", data[i]);
/* And if needed, add separator */
if (i != (size - 1) )
new_str[j + 2] = delimiter;
}
/* Set output string */
return new_str;
}