X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fspawn_faction_adddup2.c;h=9292488ab4a389dd454d8bef6dc9ba0cbfe658d3;hb=1276a2c5f24c0c932426aca9c899fa524d2443f2;hp=e2525134c1823dacbfd018be5ba396888b8d0a77;hpb=1602f0afed21be664fcf5c42d59db07cc22c56d6;p=gnulib.git diff --git a/lib/spawn_faction_adddup2.c b/lib/spawn_faction_adddup2.c index e2525134c..9292488ab 100644 --- a/lib/spawn_faction_adddup2.c +++ b/lib/spawn_faction_adddup2.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2009-2012 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2009-2014 Free Software Foundation, Inc. This file is part of the GNU C Library. This program is free software: you can redistribute it and/or modify @@ -26,35 +26,45 @@ # define __sysconf(open_max) getdtablesize () #endif -#include "spawn_int.h" +#if !HAVE_WORKING_POSIX_SPAWN +# include "spawn_int.h" +#endif /* Add an action to FILE-ACTIONS which tells the implementation to call - `dup2' for the given file descriptors during the `spawn' call. */ + 'dup2' for the given file descriptors during the 'spawn' call. */ int posix_spawn_file_actions_adddup2 (posix_spawn_file_actions_t *file_actions, int fd, int newfd) +#undef posix_spawn_file_actions_adddup2 { int maxfd = __sysconf (_SC_OPEN_MAX); - struct __spawn_action *rec; /* Test for the validity of the file descriptor. */ if (fd < 0 || newfd < 0 || fd >= maxfd || newfd >= maxfd) return EBADF; +#if HAVE_WORKING_POSIX_SPAWN + return posix_spawn_file_actions_adddup2 (file_actions, fd, newfd); +#else /* Allocate more memory if needed. */ if (file_actions->_used == file_actions->_allocated && __posix_spawn_file_actions_realloc (file_actions) != 0) /* This can only mean we ran out of memory. */ return ENOMEM; - /* Add the new value. */ - rec = &file_actions->_actions[file_actions->_used]; - rec->tag = spawn_do_dup2; - rec->action.dup2_action.fd = fd; - rec->action.dup2_action.newfd = newfd; + { + struct __spawn_action *rec; + + /* Add the new value. */ + rec = &file_actions->_actions[file_actions->_used]; + rec->tag = spawn_do_dup2; + rec->action.dup2_action.fd = fd; + rec->action.dup2_action.newfd = newfd; - /* Account for the new entry. */ - ++file_actions->_used; + /* Account for the new entry. */ + ++file_actions->_used; - return 0; + return 0; + } +#endif }