[wasi-libc.git] / libc-top-half / musl / src / env / clearenv.c

#define _GNU_SOURCE
#include <stdlib.h>
#include <unistd.h>

static void dummy(char *old, char *new) {}
weak_alias(dummy, __env_rm_add);

int clearenv()
{
#ifdef __wasilibc_unmodified_upstream // Lazy environment variable init.
#else
// This specialized header is included within the function body to arranges for
// the environment variables to be lazily initialized. It redefined `__environ`,
// so don't remove or reorder it with respect to other code.
#include "wasi/libc-environ-compat.h"
#endif
	char **e = __environ;
	__environ = 0;
	if (e) while (*e) __env_rm_add(*e++, 0);
	return 0;
}
Commit	Line	Data
320054e8 DG	1	#define _GNU_SOURCE
	2	#include <stdlib.h>
	3	#include <unistd.h>
	4
	5	static void dummy(char old, char new) {}
	6	weak_alias(dummy, __env_rm_add);
	7
	8	int clearenv()
	9	{
9efc2f42 DG	10	#ifdef __wasilibc_unmodified_upstream // Lazy environment variable init.
	11	#else
	12	// This specialized header is included within the function body to arranges for
	13	// the environment variables to be lazily initialized. It redefined `__environ`,
	14	// so don't remove or reorder it with respect to other code.
	15	#include "wasi/libc-environ-compat.h"
	16	#endif
320054e8 DG	17	char **e = __environ;
	18	__environ = 0;
	19	if (e) while (e) __env_rm_add(e++, 0);
	20	return 0;
	21	}