summaryrefslogtreecommitdiff
path: root/include/lalloca.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/lalloca.h')
-rw-r--r--include/lalloca.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/include/lalloca.h b/include/lalloca.h
new file mode 100644
index 0000000..85e4ea8
--- /dev/null
+++ b/include/lalloca.h
@@ -0,0 +1,74 @@
+/* sane - Scanner Access Now Easy.
+
+ This file is part of the SANE package.
+
+ SANE is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at your
+ option) any later version.
+
+ SANE 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 General Public License
+ along with sane; see the file COPYING. If not, write to the Free
+ Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ As a special exception, the authors of SANE give permission for
+ additional uses of the libraries contained in this release of SANE.
+
+ The exception is that, if you link a SANE library with other files
+ to produce an executable, this does not by itself cause the
+ resulting executable to be covered by the GNU General Public
+ License. Your use of that executable is in no way restricted on
+ account of linking the SANE library code into it.
+
+ This exception does not, however, invalidate any other reasons why
+ the executable file might be covered by the GNU General Public
+ License.
+
+ If you submit changes to SANE to the maintainers to be included in
+ a subsequent release, you agree by submitting the changes that
+ those changes may be distributed with this exception intact.
+
+ If you write modifications of your own for SANE, it is your choice
+ whether to permit this exception to apply to your modifications.
+ If you do not wish that, delete this exception notice.
+
+ Choose suitable implementation of alloca.
+
+*/
+
+#ifndef lalloca_h
+#define lalloca_h
+
+/* The idea how to do this is from the autoconf documenation */
+
+/* AIX requires this to be the first thing in the file. */
+#if defined(__GNUC__)
+# define alloca __builtin_alloca
+#else
+# if HAVE_ALLOCA_H
+# include <alloca.h>
+# else
+# ifdef _AIX
+#pragma alloca
+# else
+# ifndef alloca /* predefined by HP cc +Olibcalls */
+/* Remap to internal version name as not to conflict with
+ * other libraries that also add as util to their libraries.
+ */
+#define alloca sanei_alloca
+# if __STDC__
+void *alloca ();
+# else
+char *alloca ();
+# endif
+# endif
+# endif
+# endif
+#endif
+
+#endif /* lalloca_h */