forked from OSchip/llvm-project
31 lines
822 B
C
31 lines
822 B
C
// Check that we can operate on files from /dev/fd.
|
|
// REQUIRES: dev-fd-fs
|
|
// REQUIRES: shell
|
|
|
|
// Check reading from named pipes. We cat the input here instead of redirecting
|
|
// it to ensure that /dev/fd/0 is a named pipe, not just a redirected file.
|
|
//
|
|
// RUN: cat %s | %clang -x c /dev/fd/0 -E > %t
|
|
// RUN: FileCheck --check-prefix DEV-FD-INPUT < %t %s
|
|
//
|
|
// DEV-FD-INPUT: int x;
|
|
|
|
|
|
// Check writing to /dev/fd named pipes. We use cat here as before to ensure we
|
|
// get a named pipe.
|
|
//
|
|
// RUN: %clang -x c %s -E -o /dev/fd/1 | cat > %t
|
|
// RUN: FileCheck --check-prefix DEV-FD-FIFO-OUTPUT < %t %s
|
|
//
|
|
// DEV-FD-FIFO-OUTPUT: int x;
|
|
|
|
|
|
// Check writing to /dev/fd regular files.
|
|
//
|
|
// RUN: %clang -x c %s -E -o /dev/fd/1 > %t
|
|
// RUN: FileCheck --check-prefix DEV-FD-REG-OUTPUT < %t %s
|
|
//
|
|
// DEV-FD-REG-OUTPUT: int x;
|
|
|
|
int x;
|