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/* Code shared between libmain and nix-setuid-helper. */
extern char * * environ;
namespace nix {
void setuidCleanup()
{
/* Don't trust the environment. */
environ = 0;
/* Make sure that file descriptors 0, 1, 2 are open. */
for (int fd = 0; fd <= 2; ++fd) {
struct stat st;
if (fstat(fd, &st) == -1) abort();
}
}
}
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