remove trailing whitespaces

[dpdk.git] / lib / librte_eal / linuxapp / eal / include / eal_filesystem.h

diff --git a/lib/librte_eal/linuxapp/eal/include/eal_filesystem.h b/lib/librte_eal/linuxapp/eal/include/eal_filesystem.h
index e97934e..6609e08 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/include/eal_filesystem.h
+++ b/lib/librte_eal/linuxapp/eal/include/eal_filesystem.h
@@ -1,35 +1,34 @@
 /*-
  *   BSD LICENSE
- * 
- *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
  *   All rights reserved.
- * 
- *   Redistribution and use in source and binary forms, with or without 
- *   modification, are permitted provided that the following conditions 
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
  *   are met:
- * 
- *     * Redistributions of source code must retain the above copyright 
+ *
+ *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright 
- *       notice, this list of conditions and the following disclaimer in 
- *       the documentation and/or other materials provided with the 
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its 
- *       contributors may be used to endorse or promote products derived 
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
- * 
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
  */
 
 /**
@@ -47,6 +46,8 @@
 #include <stdint.h>
 #include <limits.h>
 #include <unistd.h>
+#include <stdlib.h>
+
 #include <rte_string_fns.h>
 #include "eal_internal_cfg.h"
 
@@ -85,6 +86,7 @@ eal_hugepage_info_path(void)
 
 /** String format for hugepage map files. */
 #define HUGEFILE_FMT "%s/%smap_%d"
+#define TEMP_HUGEFILE_FMT "%s/%smap_temp_%d"
 
 static inline const char *
 eal_get_hugefile_path(char *buffer, size_t buflen, const char *hugedir, int f_id)
@@ -95,6 +97,17 @@ eal_get_hugefile_path(char *buffer, size_t buflen, const char *hugedir, int f_id
        return buffer;
 }
 
+#ifdef RTE_EAL_SINGLE_FILE_SEGMENTS
+static inline const char *
+eal_get_hugefile_temp_path(char *buffer, size_t buflen, const char *hugedir, int f_id)
+{
+       rte_snprintf(buffer, buflen, TEMP_HUGEFILE_FMT, hugedir,
+                       internal_config.hugefile_prefix, f_id);
+       buffer[buflen - 1] = '\0';
+       return buffer;
+}
+#endif
+
 /** define the default filename prefix for the %s values above */
 #define HUGEFILE_PREFIX_DEFAULT "rte"