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/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/common/environment.h>
#include <aws/common/string.h>
#include <stdlib.h>
struct aws_string *aws_get_env(struct aws_allocator *allocator, const char *name) {
const char *value = getenv(name);
if (value == NULL) {
return NULL;
}
return aws_string_new_from_c_str(allocator, value);
}
struct aws_string *aws_get_env_nonempty(struct aws_allocator *allocator, const char *name) {
const char *value = getenv(name);
if (value == NULL || value[0] == '\0') {
return NULL;
}
return aws_string_new_from_c_str(allocator, value);
}
int aws_get_environment_value(
struct aws_allocator *allocator,
const struct aws_string *variable_name,
struct aws_string **value_out) {
const char *value = getenv(aws_string_c_str(variable_name));
if (value == NULL) {
*value_out = NULL;
return AWS_OP_SUCCESS;
}
*value_out = aws_string_new_from_c_str(allocator, value);
if (*value_out == NULL) {
return aws_raise_error(AWS_ERROR_ENVIRONMENT_GET);
}
return AWS_OP_SUCCESS;
}
int aws_set_environment_value(const struct aws_string *variable_name, const struct aws_string *value) {
if (setenv(aws_string_c_str(variable_name), aws_string_c_str(value), 1) != 0) {
return aws_raise_error(AWS_ERROR_ENVIRONMENT_SET);
}
return AWS_OP_SUCCESS;
}
int aws_unset_environment_value(const struct aws_string *variable_name) {
if (unsetenv(aws_string_c_str(variable_name)) != 0) {
return aws_raise_error(AWS_ERROR_ENVIRONMENT_UNSET);
}
return AWS_OP_SUCCESS;
}
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