[mirror_ovs.git] / lib / string.h

/*
 * Copyright (c) 2009 Nicira Networks.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef STRING_WRAPPER_H
#define STRING_WRAPPER_H 1

#include_next <string.h>

/* Glibc 2.7 has a bug in strtok_r when compiling with optimization that can
 * cause segfaults if the delimiters argument is a compile-time constant that
 * has exactly 1 character:
 *
 *      http://sources.redhat.com/bugzilla/show_bug.cgi?id=5614
 *
 * The bug is only present in the inline version of strtok_r(), so force the
 * out-of-line version to be used instead. */
#if HAVE_STRTOK_R_BUG
#undef strtok_r
#endif

#endif /* string.h wrapper */
Commit	Line	Data
a14bc59f BP	1	/*
	2	* Copyright (c) 2009 Nicira Networks.
	3	*
	4	* Licensed under the Apache License, Version 2.0 (the "License");
	5	* you may not use this file except in compliance with the License.
	6	* You may obtain a copy of the License at:
	7	*
	8	* http://www.apache.org/licenses/LICENSE-2.0
	9	*
	10	* Unless required by applicable law or agreed to in writing, software
	11	* distributed under the License is distributed on an "AS IS" BASIS,
	12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	13	* See the License for the specific language governing permissions and
	14	* limitations under the License.
	15	*/
	16
8d3a769e BP	17	#ifndef STRING_WRAPPER_H
	18	#define STRING_WRAPPER_H 1
	19
	20	#include_next <string.h>
	21
	22	/* Glibc 2.7 has a bug in strtok_r when compiling with optimization that can
	23	* cause segfaults if the delimiters argument is a compile-time constant that
	24	* has exactly 1 character:
	25	*
	26	* http://sources.redhat.com/bugzilla/show_bug.cgi?id=5614
	27	*
	28	* The bug is only present in the inline version of strtok_r(), so force the
	29	* out-of-line version to be used instead. */
	30	#if HAVE_STRTOK_R_BUG
	31	#undef strtok_r
	32	#endif
	33
	34	#endif /* string.h wrapper */