[thirdparty/util-linux.git] / include / env.h

/*
 * No copyright is claimed.  This code is in the public domain; do with
 * it what you wish.
 */
#ifndef UTIL_LINUX_ENV_H
#define UTIL_LINUX_ENV_H

#include "c.h"
#include "nls.h"

struct ul_env_list;

extern void sanitize_env(void);
extern void __sanitize_env(struct ul_env_list **org);

extern int env_list_setenv(struct ul_env_list *ls);
extern void env_list_free(struct ul_env_list *ls);
extern struct ul_env_list *env_from_fd(int pid);

extern char *safe_getenv(const char *arg);


#ifndef XSETENV_EXIT_CODE
# define XSETENV_EXIT_CODE EXIT_FAILURE
#endif

static inline void xsetenv(char const *name, char const *val, int overwrite)
{
	if (setenv(name, val, overwrite) != 0)
		err(XSETENV_EXIT_CODE, _("failed to set the %s environment variable"), name);
}

static inline int remove_entry(char **argv, int remove, int last)
{
	memmove(argv + remove, argv + remove + 1, sizeof(char *) * (last - remove));
	return last - 1;
}

#endif /* UTIL_LINUX_ENV_H */
Commit	Line	Data
79feaa60 KZ	1	/*
	2	* No copyright is claimed. This code is in the public domain; do with
	3	* it what you wish.
	4	*/
035507c8 KZ	5	#ifndef UTIL_LINUX_ENV_H
	6	#define UTIL_LINUX_ENV_H
	7
90af3fe3	8	#include "c.h"
05d8868d	9	#include "nls.h"
90af3fe3	10
e113093c KZ	11	struct ul_env_list;
e113093c KZ	12
e0b6ab56	13	extern void sanitize_env(void);
e113093c KZ	14	extern void __sanitize_env(struct ul_env_list **org);
	15
	16	extern int env_list_setenv(struct ul_env_list *ls);
	17	extern void env_list_free(struct ul_env_list *ls);
4e9ec856	18	extern struct ul_env_list *env_from_fd(int pid);
e113093c	19
035507c8 KZ	20	extern char safe_getenv(const char arg);
035507c8 KZ	21
05d8868d KZ	22
	23	#ifndef XSETENV_EXIT_CODE
	24	# define XSETENV_EXIT_CODE EXIT_FAILURE
	25	#endif
	26
e0b6ab56	27	static inline void xsetenv(char const name, char const val, int overwrite)
e557efde	28	{
e0b6ab56	29	if (setenv(name, val, overwrite) != 0)
05d8868d	30	err(XSETENV_EXIT_CODE, _("failed to set the %s environment variable"), name);
e557efde LN	31	}
e557efde LN	32
5e2bc9d6	33	static inline int remove_entry(char **argv, int remove, int last)
ed292a08 SK	34	{
	35	memmove(argv + remove, argv + remove + 1, sizeof(char ) (last - remove));
	36	return last - 1;
	37	}
	38
035507c8	39	#endif /* UTIL_LINUX_ENV_H */