Differential D26270 Diff 77110 sys/kern/kern_environment.c

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sys/kern/kern_environment.c

Show First 20 Lines • Show All 947 Lines • ▼ Show 20 Lines	getenv_quad(const char name, quad_t data)
*data = iv;		*data = iv;
return (1);		return (1);
error:		error:
kenv_release(value);		kenv_release(value);
return (0);		return (0);
}		}

/*		/*
		* Return a boolean value from an environment variable. This can be in
		* numerical or string form, i.e. "1" or "true".
		*/
		int
		getenv_bool(const char name, bool data)
		{
		char *val;
		int ret = 0;

		if (name == NULL)
		return (0);

		val = kern_getenv(name);
		if (val == NULL)
		return (0);

		if ((strcmp(val, "1") == 0) \|\| (strcasecmp(val, "true")) == 0) {
		*data = true;
		ret = 1;
		} else if ((strcmp(val, "0") == 0) \|\| (strcasecmp(val, "false"))) {
		*data = false;
		ret = 1;
		} else {
		/* Spit out a warning for malformed boolean variables. */
		printf("Environment variable %s has non-boolean value %s\n",
		name, val);
		}
		freeenv(val);

		return (ret);
		}

		/*
		* Wrapper around getenv_bool to easily check for true.
		*/
		bool
		getenv_is_true(const char *name)
		{
		bool val;

		if (getenv_bool(name, &val) != 0)
		return (val);
		return (false);
		}

		/*
		* Wrapper around getenv_bool to easily check for false.
		*/
		bool
		getenv_is_false(const char *name)
		{
		bool val;

		if (getenv_bool(name, &val) != 0)
		return (!val);
		return (false);
		}

		/*
* Find the next entry after the one which (cp) falls within, return a		* Find the next entry after the one which (cp) falls within, return a
* pointer to its start or NULL if there are no more.		* pointer to its start or NULL if there are no more.
*/		*/
static char *		static char *
kernenv_next(char *cp)		kernenv_next(char *cp)
{		{

if (cp != NULL) {		if (cp != NULL) {
▲ Show 20 Lines • Show All 47 Lines • ▼ Show 20 Lines
}		}

void		void
tunable_quad_init(void *data)		tunable_quad_init(void *data)
{		{
struct tunable_quad d = (struct tunable_quad )data;		struct tunable_quad d = (struct tunable_quad )data;

TUNABLE_QUAD_FETCH(d->path, d->var);		TUNABLE_QUAD_FETCH(d->path, d->var);
		}

		void
		tunable_bool_init(void *data)
		{
		struct tunable_bool d = (struct tunable_bool )data;

		TUNABLE_BOOL_FETCH(d->path, d->var);
}		}

void		void
tunable_str_init(void *data)		tunable_str_init(void *data)
{		{
struct tunable_str d = (struct tunable_str )data;		struct tunable_str d = (struct tunable_str )data;

TUNABLE_STR_FETCH(d->path, d->var, d->size);		TUNABLE_STR_FETCH(d->path, d->var, d->size);
}		}