44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
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// Check that we can operate on files from /dev/fd.
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// REQUIRES: dev-fd-fs
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// REQUIRES: shell
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// Check reading from named pipes. We cat the input here instead of redirecting
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// it to ensure that /dev/fd/0 is a named pipe, not just a redirected file.
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//
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// RUN: cat %s | %clang -x c /dev/fd/0 -E > %t
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// RUN: FileCheck --check-prefix DEV-FD-INPUT < %t %s
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//
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// RUN: cat %s | %clang -x c %s -E -DINCLUDE_FROM_STDIN > %t
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// RUN: FileCheck --check-prefix DEV-FD-INPUT \
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// RUN: --check-prefix DEV-FD-INPUT-INCLUDE < %t %s
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//
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// DEV-FD-INPUT-INCLUDE: int w;
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// DEV-FD-INPUT: int x;
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// DEV-FD-INPUT-INCLUDE: int y;
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// Check writing to /dev/fd named pipes. We use cat here as before to ensure we
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// get a named pipe.
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//
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// RUN: %clang -x c %s -E -o /dev/fd/1 | cat > %t
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// RUN: FileCheck --check-prefix DEV-FD-FIFO-OUTPUT < %t %s
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//
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// DEV-FD-FIFO-OUTPUT: int x;
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// Check writing to /dev/fd regular files.
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//
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// RUN: %clang -x c %s -E -o /dev/fd/1 > %t
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// RUN: FileCheck --check-prefix DEV-FD-REG-OUTPUT < %t %s
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//
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// DEV-FD-REG-OUTPUT: int x;
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#ifdef INCLUDE_FROM_STDIN
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#undef INCLUDE_FROM_STDIN
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int w;
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#include "/dev/fd/0"
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int y;
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#else
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int x;
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#endif
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