diff options
| -rw-r--r-- | libcxx/src/random.cpp | 2 | ||||
| -rw-r--r-- | libcxx/test/numerics/rand/rand.device/ctor.pass.cpp | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/libcxx/src/random.cpp b/libcxx/src/random.cpp index bd24f2e50c1..21e21689a87 100644 --- a/libcxx/src/random.cpp +++ b/libcxx/src/random.cpp @@ -49,7 +49,7 @@ random_device::operator()() random_device::random_device(const string& __token) : __f_(open(__token.c_str(), O_RDONLY)) { - if (__f_ <= 0) + if (__f_ < 0) __throw_system_error(errno, ("random_device failed to open " + __token).c_str()); } diff --git a/libcxx/test/numerics/rand/rand.device/ctor.pass.cpp b/libcxx/test/numerics/rand/rand.device/ctor.pass.cpp index a7c38d4c165..dfa546be709 100644 --- a/libcxx/test/numerics/rand/rand.device/ctor.pass.cpp +++ b/libcxx/test/numerics/rand/rand.device/ctor.pass.cpp @@ -15,6 +15,7 @@ #include <random> #include <cassert> +#include <unistd.h> int main() { @@ -30,6 +31,16 @@ int main() std::random_device r; } { + int ec; + ec = close(STDIN_FILENO); + assert(!ec); + ec = close(STDOUT_FILENO); + assert(!ec); + ec = close(STDERR_FILENO); + assert(!ec); + std::random_device r; + } + { std::random_device r("/dev/urandom");; } { |
