dirfd: replacement

compat/dirfd.c

+/*****************************************************************************
+ * dirfd.c: POSIX dirfd replacement
+ *****************************************************************************
+ * Copyright © 2009-2011 Rémi Denis-Courmont
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <dirent.h>
+#include <errno.h>
+
+int dirfd (DIR *dir)
+{
+#if defined (__sun__)
+    return dir->dd_fd;
+#else
+    (void) dir;
+# ifdef ENOTSUP
+    errno = ENOTSUP;
+# endif
+    return -1;
+#endif
+}

configure.ac

@@ -553,7 +553,7 @@ need_libc=false
 
 dnl Check for usual libc functions
 AC_CHECK_FUNCS([daemon fcntl fdopendir fstatvfs fork getenv getpwuid_r gettimeofday isatty lstat memalign mmap openat pread posix_fadvise posix_madvise posix_memalign setlocale stricmp strnicmp uselocale])
-AC_REPLACE_FUNCS([asprintf atof atoll getcwd getdelim getpid gmtime_r lldiv localtime_r nrand48 rewind setenv strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll swab tdestroy vasprintf])
+AC_REPLACE_FUNCS([asprintf atof atoll dirfd getcwd getdelim getpid gmtime_r lldiv localtime_r nrand48 rewind setenv strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll swab tdestroy vasprintf])
 AC_CHECK_FUNCS(fdatasync,,
   [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])
 ])

include/vlc_fixups.h

@@ -65,6 +65,10 @@ typedef struct
 # include <sys/types.h> /* ssize_t, pid_t */
 #endif
 
+#ifndef HAVE_DIRFD
+# include <dirent.h>
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -162,6 +166,11 @@ pid_t getpid (void);
 char *strtok_r(char *, const char *, char **);
 #endif
 
+/* dirent.h */
+#ifndef HAVE_DIRFD
+int dirfd (DIR *);
+#endif
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif

modules/access/directory.c

@@ -46,13 +46,6 @@
 #   include <io.h>
 #endif
 
-#ifdef __sun__
-static inline int dirfd (DIR *dir)
-{
-    return dir->dd_fd;
-}
-#endif
-
 #include <vlc_fs.h>
 #include <vlc_url.h>
 #include <vlc_strings.h>