fdopendir does not imply openat (fix #3505)

configure.ac

@@ -548,7 +548,7 @@ dnl Check for system libs needed
 need_libc=false
 
 dnl Check for usual libc functions
-AC_CHECK_FUNCS([ctime_r daemon fcntl fdopendir fork getenv getpwuid_r gettimeofday isatty lstat memalign posix_fadvise posix_madvise posix_memalign putenv setenv setlocale stricmp strnicmp tdestroy uselocale])
+AC_CHECK_FUNCS([ctime_r daemon fcntl fdopendir fork getenv getpwuid_r gettimeofday isatty lstat memalign openat posix_fadvise posix_madvise posix_memalign putenv setenv setlocale stricmp strnicmp tdestroy uselocale])
 AC_REPLACE_FUNCS([asprintf atof atoll getcwd getdelim getpid gmtime_r lldiv localtime_r nrand48 rewind strcasecmp strcasestr strdup strlcpy strncasecmp strndup strnlen strsep strtof strtok_r strtoll swab vasprintf])
 AC_CHECK_FUNCS(fdatasync,,
   [AC_DEFINE(fdatasync, fsync, [Alias fdatasync() to fsync() if missing.])

modules/access/directory.c

@@ -76,7 +76,7 @@ struct directory_t
 #ifndef WIN32
     struct stat  st;
 #endif
-#ifndef HAVE_FDOPENDIR
+#ifndef HAVE_OPENAT
     char         *path;
 #endif
 };
@@ -175,7 +175,7 @@ void DirClose( vlc_object_t * p_this )
         p_sys->current = current->parent;
         closedir (current->handle);
         free (current->uri);
-#ifndef HAVE_FDOPENDIR
+#ifndef HAVE_OPENAT
         free (current->path);
 #endif
         free (current);
@@ -237,7 +237,7 @@ block_t *DirBlock (access_t *p_access)
         }
         current->parent = NULL;
         current->handle = p_sys->handle;
-#ifndef HAVE_FDOPENDIR
+#ifndef HAVE_OPENAT
         current->path = strdup (p_access->psz_path);
 #endif
         current->uri = p_sys->uri;
@@ -260,7 +260,7 @@ block_t *DirBlock (access_t *p_access)
         closedir (current->handle);
         p_sys->current = current->parent;
         free (current->uri);
-#ifndef HAVE_FDOPENDIR
+#ifndef HAVE_OPENAT
         free (current->path);
 #endif
         free (current);
@@ -315,7 +315,7 @@ block_t *DirBlock (access_t *p_access)
         }
 
         DIR *handle;
-#ifdef HAVE_FDOPENDIR
+#ifdef HAVE_OPENAT
         int fd = vlc_openat (dirfd (current->handle), entry, O_RDONLY);
         if (fd != -1)
         {

modules/access/file.c

@@ -145,7 +145,6 @@ int Open( vlc_object_t *p_this )
 
         if (*end == '\0')
             fd = vlc_dup (oldfd);
-#ifdef HAVE_FDOPENDIR
         else if (*end == '/' && end > path)
         {
             char *name = decode_URI_duplicate (end - 1);
@@ -156,7 +155,6 @@ int Open( vlc_object_t *p_this )
                 free (name);
             }
         }
-#endif
     }
     else
     {

src/text/filesystem.c

@@ -225,7 +225,7 @@ int vlc_openat (int dir, const char *filename, int flags, ...)
         return -1;
     }
 
-#ifdef HAVE_FDOPENDIR
+#ifdef HAVE_OPENAT
     int fd = openat (dir, local_name, flags, mode);
 # ifdef HAVE_FCNTL
     if (fd != -1)