diff options
Diffstat (limited to 'libc-top-half/musl/src/env/clearenv.c')
-rw-r--r-- | libc-top-half/musl/src/env/clearenv.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/env/clearenv.c b/libc-top-half/musl/src/env/clearenv.c new file mode 100644 index 0000000..0abbec3 --- /dev/null +++ b/libc-top-half/musl/src/env/clearenv.c @@ -0,0 +1,21 @@ +#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; +} |