strtod: fix bug in replacement function on AIX

[pspp] / lib / pipe.h

diff --git a/lib/pipe.h b/lib/pipe.h
index 2f23903ab4c5a826c489060d95a8dc006fbfebfc..7517892ba434b090deef42c190ac5fe41268f21d 100644 (file)
--- a/lib/pipe.h
+++ b/lib/pipe.h
@@ -36,7 +36,8 @@ extern "C" {
    one or two file descriptors for communication with the subprocess.
    If the subprocess creation fails: if exit_on_error is true, the main
    process exits with an error message; otherwise, an error message is given
-   if null_stderr is false, then -1 is returned and fd[] remain uninitialized.
+   if null_stderr is false, then -1 is returned, with errno set, and fd[]
+   remain uninitialized.
 
    After finishing communication, the caller should call wait_subprocess()
    to get rid of the subprocess in the process table.