[mirror_ubuntu-bionic-kernel.git] / tools / include / linux / string.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TOOLS_LINUX_STRING_H_
#define _TOOLS_LINUX_STRING_H_

#include <linux/types.h>	/* for size_t */
#include <string.h>

void *memdup(const void *src, size_t len);

int strtobool(const char *s, bool *res);

/*
 * glibc based builds needs the extern while uClibc doesn't.
 * However uClibc headers also define __GLIBC__ hence the hack below
 */
#if defined(__GLIBC__) && !defined(__UCLIBC__)
extern size_t strlcpy(char *dest, const char *src, size_t size);
#endif

char *str_error_r(int errnum, char *buf, size_t buflen);

/**
 * strstarts - does @str start with @prefix?
 * @str: string to examine
 * @prefix: prefix to look for.
 */
static inline bool strstarts(const char *str, const char *prefix)
{
	return strncmp(str, prefix, strlen(prefix)) == 0;
}

#endif /* _LINUX_STRING_H_ */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
4ddd3274 ACM	2	#ifndef _TOOLS_LINUX_STRING_H_
	3	#define _TOOLS_LINUX_STRING_H_
	4
4ddd3274	5	#include <linux/types.h> /* for size_t */
8e99b6d4	6	#include <string.h>
4ddd3274 ACM	7
	8	void memdup(const void src, size_t len);
	9
7d85c434 WN	10	int strtobool(const char s, bool res);
7d85c434 WN	11
0215d59b VG	12	/*
	13	* glibc based builds needs the extern while uClibc doesn't.
	14	* However uClibc headers also define __GLIBC__ hence the hack below
	15	*/
	16	#if defined(__GLIBC__) && !defined(__UCLIBC__)
ce990917 JP	17	extern size_t strlcpy(char dest, const char src, size_t size);
	18	#endif
	19
c8b5f2c9 ACM	20	char str_error_r(int errnum, char buf, size_t buflen);
c8b5f2c9 ACM	21
8e99b6d4 ACM	22	/**
	23	* strstarts - does @str start with @prefix?
	24	* @str: string to examine
	25	* @prefix: prefix to look for.
	26	*/
	27	static inline bool strstarts(const char str, const char prefix)
	28	{
	29	return strncmp(str, prefix, strlen(prefix)) == 0;
	30	}
96395cbb	31
4ddd3274	32	#endif /* _LINUX_STRING_H_ */