[pcsx_rearmed.git] / deps / flac-1.3.2 / include / share / safe_str.h

/* libFLAC - Free Lossless Audio Codec library
 * Copyright (C) 2013-2016  Xiph.org Foundation
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of the Xiph.org Foundation nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS 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 FOUNDATION OR
 * 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.
 */

/* Safe string handling functions to replace things like strcpy, strncpy,
 * strcat, strncat etc.
 * All of these functions guarantee a correctly NUL terminated string but
 * the string may be truncated if the destination buffer was too short.
 */

#ifndef FLAC__SHARE_SAFE_STR_H
#define FLAC__SHARE_SAFE_STR_H

static inline char *
safe_strncat(char *dest, const char *src, size_t dest_size)
{
	char * ret;

	if (dest_size < 1)
		return dest;

	ret = strncat(dest, src, dest_size - strlen (dest));
	dest [dest_size - 1] = 0;

	return ret;
}

static inline char *
safe_strncpy(char *dest, const char *src, size_t dest_size)
{
	char * ret;

	if (dest_size < 1)
		return dest;

	ret = strncpy(dest, src, dest_size);
	dest [dest_size - 1] = 0;

	return ret;
}

#endif /* FLAC__SHARE_SAFE_STR_H */
Commit	Line	Data
ce188d4d	1	/* libFLAC - Free Lossless Audio Codec library
	2	* Copyright (C) 2013-2016 Xiph.org Foundation
	3	*
	4	* Redistribution and use in source and binary forms, with or without
	5	* modification, are permitted provided that the following conditions
	6	* are met:
	7	*
	8	* - Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	*
	11	* - Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	*
	15	* - Neither the name of the Xiph.org Foundation nor the names of its
	16	* contributors may be used to endorse or promote products derived from
	17	* this software without specific prior written permission.
	18	*
	19	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	20	* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	21	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	22	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
	23	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	24	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	25	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	26	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
	27	* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	28	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	29	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	30	*/
	31
	32	/* Safe string handling functions to replace things like strcpy, strncpy,
	33	* strcat, strncat etc.
	34	* All of these functions guarantee a correctly NUL terminated string but
	35	* the string may be truncated if the destination buffer was too short.
	36	*/
	37
	38	#ifndef FLAC__SHARE_SAFE_STR_H
	39	#define FLAC__SHARE_SAFE_STR_H
	40
	41	static inline char *
	42	safe_strncat(char dest, const char src, size_t dest_size)
	43	{
	44	char * ret;
	45
	46	if (dest_size < 1)
	47	return dest;
	48
	49	ret = strncat(dest, src, dest_size - strlen (dest));
	50	dest [dest_size - 1] = 0;
	51
	52	return ret;
	53	}
	54
	55	static inline char *
	56	safe_strncpy(char dest, const char src, size_t dest_size)
	57	{
	58	char * ret;
	59
	60	if (dest_size < 1)
	61	return dest;
	62
	63	ret = strncpy(dest, src, dest_size);
	64	dest [dest_size - 1] = 0;
65
66	return ret;
67	}
68
69	#endif /* FLAC__SHARE_SAFE_STR_H */