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doc: Improve doc about gl_EARLY.
[gnulib.git]
/
doc
/
posix-functions
/
getc.texi
diff --git
a/doc/posix-functions/getc.texi
b/doc/posix-functions/getc.texi
index
7c92ab4
..
514b0f7
100644
(file)
--- a/
doc/posix-functions/getc.texi
+++ b/
doc/posix-functions/getc.texi
@@
-4,10
+4,15
@@
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/getc.html}
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/getc.html}
-Gnulib module:
---
+Gnulib module:
stdio, nonblocking
-Portability problems fixed by Gnulib:
+Portability problems fixed by Gnulib
module @code{stdio}, together with module @code{nonblocking}
:
@itemize
@itemize
+@item
+When reading from a non-blocking pipe whose buffer is empty, this function
+fails with @code{errno} being set to @code{EINVAL} instead of @code{EAGAIN} on
+some platforms:
+mingw, MSVC 9.
@end itemize
Portability problems not fixed by Gnulib:
@end itemize
Portability problems not fixed by Gnulib: