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https://github.com/libuv/libuv
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ee02f60c90
These functions are used to create, retrieve, update, and delete environment variables. Fixes: https://github.com/libuv/libuv/issues/1198 PR-URL: https://github.com/libuv/libuv/pull/1234 Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com> Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/* Copyright libuv contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "task.h"
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#include <string.h>
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#define BUF_SIZE 10
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TEST_IMPL(env_vars) {
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const char* name = "UV_TEST_FOO";
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char buf[BUF_SIZE];
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size_t size;
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int r;
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/* Reject invalid inputs when setting an environment variable */
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r = uv_os_setenv(NULL, "foo");
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ASSERT(r == UV_EINVAL);
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r = uv_os_setenv(name, NULL);
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ASSERT(r == UV_EINVAL);
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/* Reject invalid inputs when retrieving an environment variable */
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size = BUF_SIZE;
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r = uv_os_getenv(NULL, buf, &size);
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ASSERT(r == UV_EINVAL);
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r = uv_os_getenv(name, NULL, &size);
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ASSERT(r == UV_EINVAL);
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r = uv_os_getenv(name, buf, NULL);
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ASSERT(r == UV_EINVAL);
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size = 0;
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r = uv_os_getenv(name, buf, &size);
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ASSERT(r == UV_EINVAL);
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/* Reject invalid inputs when deleting an environment variable */
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r = uv_os_unsetenv(NULL);
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ASSERT(r == UV_EINVAL);
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/* Successfully set an environment variable */
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r = uv_os_setenv(name, "123456789");
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ASSERT(r == 0);
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/* Successfully read an environment variable */
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size = BUF_SIZE;
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buf[0] = '\0';
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r = uv_os_getenv(name, buf, &size);
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ASSERT(r == 0);
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ASSERT(strcmp(buf, "123456789") == 0);
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ASSERT(size == BUF_SIZE - 1);
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/* Return UV_ENOBUFS if the buffer cannot hold the environment variable */
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size = BUF_SIZE - 1;
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buf[0] = '\0';
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r = uv_os_getenv(name, buf, &size);
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ASSERT(r == UV_ENOBUFS);
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ASSERT(size == BUF_SIZE);
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/* Successfully delete an environment variable */
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r = uv_os_unsetenv(name);
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ASSERT(r == 0);
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/* Return UV_ENOENT retrieving an environment variable that does not exist */
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r = uv_os_getenv(name, buf, &size);
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ASSERT(r == UV_ENOENT);
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/* Successfully delete an environment variable that does not exist */
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r = uv_os_unsetenv(name);
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ASSERT(r == 0);
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return 0;
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}
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