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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
int
libexec_clear_environ(struct libexec_command *cmd)
{
size_t i;
char **new_env;
if (!cmd) {
errno = EINVAL;
return -1;
}
new_env = calloc(1, sizeof(*cmd->environ));
if (!new_env)
return -1;
if (cmd->environ) {
for (i = 0; cmd->environ[i]; i++)
free(cmd->environ[i]);
free(cmd->environ);
}
cmd->environ = new_env;
return 0;
}
#else
static void
check_clear_from_default(void)
{
struct libexec_command cmd, ref;
char **old_env;
cmd = LIBEXEC_COMMAND_INIT;
memcpy(&ref, &cmd, sizeof(cmd));
ASSERT_IS_NULL(cmd.environ);
ASSERT_ZERO(libexec_clear_environ(&cmd));
ASSERT_NOT_NULL(cmd.environ);
ASSERT_IS_NULL(cmd.environ[0]);
old_env = cmd.environ;
cmd.environ = NULL;
ASSERT_IS_TRUE(!memcmp(&cmd, &ref, sizeof(cmd)));
cmd.environ = old_env;
libexec_destroy_command(&cmd);
}
int
main(void)
{
errno = 0;
ASSERT_EQ_INT(libexec_clear_environ(NULL), -1);
ASSERT_EQ_INT(errno, EINVAL);
check_clear_from_default();
/* XXX test malloc failure */
/* XXX test that function deallocates */
return 0;
}
#endif
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