// Copyright (c) 2023 Yuki Kimoto
// MIT License
#include "spvm_native.h"
#include <stdlib.h>
#include <errno.h>
static const char* FILE_NAME = "Sys/Env.c";
int32_t SPVM__Sys__Env__getenv(SPVM_ENV* env, SPVM_VALUE* stack) {
void* obj_name = stack[0].oval;
if (!obj_name) {
return env->die(env, stack, "The environment variable name $name must be defined.", __func__, FILE_NAME, __LINE__);
}
const char* name = env->get_chars(env, stack, obj_name);
char* value = getenv(name);
void* obj_value;
if (value) {
obj_value = env->new_string(env, stack, value, strlen(value));
}
else {
obj_value = NULL;
}
stack[0].oval = obj_value;
return 0;
}
int32_t SPVM__Sys__Env__setenv(SPVM_ENV* env, SPVM_VALUE* stack) {
#if defined(_WIN32)
env->die(env, stack, "Sys::Env#setenv method is not supported in this system(defined(_WIN32)).", __func__, FILE_NAME, __LINE__);
return SPVM_NATIVE_C_BASIC_TYPE_ID_ERROR_NOT_SUPPORTED_CLASS;
#else
void* obj_name = stack[0].oval;
if (!obj_name) {
return env->die(env, stack, "The environment variable name $name must be defined.", __func__, FILE_NAME, __LINE__);
}
const char* name = env->get_chars(env, stack, obj_name);
void* obj_value = stack[1].oval;
if (!obj_value) {
return env->die(env, stack, "The environment variable value $value must be defined.", __func__, FILE_NAME, __LINE__);
}
const char* value = env->get_chars(env, stack, obj_value);
int32_t overwrite = stack[2].ival;
int32_t status = setenv(name, value, overwrite);
if (status == -1) {
env->die(env, stack, "[System Error]setenv() failed:%s.", env->strerror_nolen(env, stack, errno), __func__, FILE_NAME, __LINE__);
return SPVM_NATIVE_C_BASIC_TYPE_ID_ERROR_SYSTEM_CLASS;
}
stack[0].ival = status;
return 0;
#endif
}
int32_t SPVM__Sys__Env__unsetenv(SPVM_ENV* env, SPVM_VALUE* stack) {
#if defined(_WIN32)
env->die(env, stack, "Sys::Env#unsetenv method is not supported in this system(defined(_WIN32)).", __func__, FILE_NAME, __LINE__);
return SPVM_NATIVE_C_BASIC_TYPE_ID_ERROR_NOT_SUPPORTED_CLASS;
#else
void* obj_name = stack[0].oval;
if (!obj_name) {
return env->die(env, stack, "The environment variable name $name must be defined.", __func__, FILE_NAME, __LINE__);
}
const char* name = env->get_chars(env, stack, obj_name);
int32_t status = unsetenv(name);
if (status == -1) {
env->die(env, stack, "[System Error]unsetenv() failed:%s.", env->strerror_nolen(env, stack, errno), __func__, FILE_NAME, __LINE__);
return SPVM_NATIVE_C_BASIC_TYPE_ID_ERROR_SYSTEM_CLASS;
}
stack[0].ival = status;
return 0;
#endif
}
int32_t SPVM__Sys__Env___putenv_s(SPVM_ENV* env, SPVM_VALUE* stack) {
#if !defined(_WIN32)
env->die(env, stack, "Sys::Env#_putenv_s method is not supported in this system(!defined(_WIN32)).", __func__, FILE_NAME, __LINE__);
return SPVM_NATIVE_C_BASIC_TYPE_ID_ERROR_NOT_SUPPORTED_CLASS;
#else
void* obj_name = stack[0].oval;
if (!obj_name) {
return env->die(env, stack, "The environment variable name $name must be defined.", __func__, FILE_NAME, __LINE__);
}
const char* name = env->get_chars(env, stack, obj_name);
void* obj_value = stack[1].oval;
if (!obj_value) {
return env->die(env, stack, "The environment variable value $value must be defined.", __func__, FILE_NAME, __LINE__);
}
const char* value = env->get_chars(env, stack, obj_value);
int32_t status = _putenv_s(name, value);
if (!(status == 0)) {
env->die(env, stack, "[System Error]_putenv_s() failed:%s.", env->strerror_nolen(env, stack, errno), __func__, FILE_NAME, __LINE__);
return SPVM_NATIVE_C_BASIC_TYPE_ID_ERROR_SYSTEM_CLASS;
}
stack[0].ival = status;
return 0;
#endif
}