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openat: detect Solaris fchownat bug
[pspp]
/
lib
/
isapipe.h
diff --git
a/lib/isapipe.h
b/lib/isapipe.h
index 187527ac8eb421994cfa05c4fa99c77c18d7ba5b..c108e308ad2a094e443350218f5aece97d81ea9c 100644
(file)
--- a/
lib/isapipe.h
+++ b/
lib/isapipe.h
@@
-1
+1,6
@@
-int isapipe (int);
+/* Whether pipes are FIFOs; -1 if not known. */
+#ifndef HAVE_FIFO_PIPES
+# define HAVE_FIFO_PIPES (-1)
+#endif
+
+int isapipe (int fd);