gallium/aux: Report error if loading of a pipe driver fails.

Skip over non-existent files.
Signed-off-by: Jan Vesely <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

1 files changed, 58 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/util/u_file.h b/src/gallium/auxiliary/util/u_file.h
new file mode 100644
index 00000000000..f337dc9761e
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_file.h
@@ -0,0 +1,58 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ **************************************************************************/
+
+
+#ifndef U_FILE_H_
+#define U_FILE_H_
+
+#if defined(PIPE_OS_UNIX)
+#include <unistd.h>
+#endif
+#if defined(PIPE_OS_WINDOWS)
+#include <io.h>
+#endif
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+static inline int
+u_file_access(const char *path, int mode) {
+#if defined(PIPE_OS_UNIX)
+	return access(path, mode);
+#elif defined(PIPE_OS_WINDOWS)
+	return _access(path, mode);
+#else
+	return 0;
+#endif
+}
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* U_FILE_H_ */