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| author | Bruno Haible <bruno@clisp.org> | 2011-09-24 02:08:13 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2011-09-24 02:08:13 +0200 |
| commit | 4810e2dc1d9b1bf84da97d7869f7ad8743b3b3c4 (patch) | |
| tree | efbc34f851da79b1c0aae63b25449a6e7e9c8f62 /lib/unistd.in.h | |
| parent | 4040b3bddb086e8230b0d9356297e971729a9c44 (diff) | |
| download | gnulib-4810e2dc1d9b1bf84da97d7869f7ad8743b3b3c4.tar.gz | |
New module 'dup'.
* lib/unistd.in.h (dup): Declare only if the 'dup' module is in use.
Allow replacement.
* lib/dup.c: New file.
* lib/fchdir.c (rpl_dup): Remove function.
* m4/dup.m4: New file.
* m4/fchdir.m4 (gl_FUNC_FCHDIR): Don't set REPLACE_DUP here.
* m4/unistd_h.m4 (gl_UNISTD_H): Test whether 'dup' is declared.
(gl_UNISTD_H_DEFAULTS): Initialize GNULIB_DUP.
* modules/unistd (Makefile.am): Substitute GNULIB_DUP.
* modules/dup: New file.
* tests/test-unistd-c++.cc: Check the signature of 'dup' only if the
'dup' module is in use.
* modules/fdopendir (Depends-on): Add dup.
* modules/fdutimensat-tests (Depends-on): Likewise.
* modules/fts (Depends-on): Likewise.
* modules/futimens-tests (Depends-on): Likewise.
* modules/posix_spawnp-tests (Depends-on): Likewise.
* modules/unistd-safer-tests (Depends-on): Likewise.
* modules/utimens-tests (Depends-on): Likewise.
* doc/posix-functions/dup.texi: Mention the new module and the problem
on MSVC.
Diffstat (limited to 'lib/unistd.in.h')
| -rw-r--r-- | lib/unistd.in.h | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h index bb514dbff0..60a7530b4a 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -301,16 +301,24 @@ _GL_WARN_ON_USE (close, "close does not portably work on sockets - " #endif -#if @REPLACE_DUP@ -# if !(defined __cplusplus && defined GNULIB_NAMESPACE) -# define dup rpl_dup -# endif +#if @GNULIB_DUP@ +# if @REPLACE_DUP@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# define dup rpl_dup +# endif _GL_FUNCDECL_RPL (dup, int, (int oldfd)); _GL_CXXALIAS_RPL (dup, int, (int oldfd)); -#else +# else _GL_CXXALIAS_SYS (dup, int, (int oldfd)); -#endif +# endif _GL_CXXALIASWARN (dup); +#elif defined GNULIB_POSIXCHECK +# undef dup +# if HAVE_RAW_DECL_DUP +_GL_WARN_ON_USE (dup, "dup is unportable - " + "use gnulib module dup for portability"); +# endif +#endif #if @GNULIB_DUP2@ |