| 1 | // Check that we can operate on files from /dev/fd. |
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| 2 | // REQUIRES: dev-fd-fs |
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| 3 | // REQUIRES: shell |
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| 4 | |
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| 5 | // Check reading from named pipes. We cat the input here instead of redirecting |
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| 6 | // it to ensure that /dev/fd/0 is a named pipe, not just a redirected file. |
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| 7 | // |
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| 8 | // RUN: cat %s | %clang -x c /dev/fd/0 -E > %t |
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| 9 | // RUN: FileCheck --check-prefix DEV-FD-INPUT < %t %s |
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| 10 | // |
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| 11 | // DEV-FD-INPUT: int x; |
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| 12 | |
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| 13 | |
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| 14 | // Check writing to /dev/fd named pipes. We use cat here as before to ensure we |
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| 15 | // get a named pipe. |
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| 16 | // |
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| 17 | // RUN: %clang -x c %s -E -o /dev/fd/1 | cat > %t |
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| 18 | // RUN: FileCheck --check-prefix DEV-FD-FIFO-OUTPUT < %t %s |
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| 19 | // |
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| 20 | // DEV-FD-FIFO-OUTPUT: int x; |
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| 21 | |
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| 22 | |
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| 23 | // Check writing to /dev/fd regular files. |
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| 24 | // |
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| 25 | // RUN: %clang -x c %s -E -o /dev/fd/1 > %t |
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| 26 | // RUN: FileCheck --check-prefix DEV-FD-REG-OUTPUT < %t %s |
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| 27 | // |
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| 28 | // DEV-FD-REG-OUTPUT: int x; |
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| 29 | |
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| 30 | int x; |
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| 31 | |
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