ACPICA: Move all ASCII utilities to a common file
ACPICA commit ba60e4500053010bf775d58f6f61febbdb94d817
New file is utascii.c
Link: https://github.com/acpica/acpica/commit/ba60e450
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/utascii.c b/drivers/acpi/acpica/utascii.c
new file mode 100644
index 0000000..706c1f3
--- /dev/null
+++ b/drivers/acpi/acpica/utascii.c
@@ -0,0 +1,140 @@
+/******************************************************************************
+ *
+ * Module Name: utascii - Utility ascii functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2016, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * 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 MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ */
+
+#include <acpi/acpi.h>
+#include "accommon.h"
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_nameseg
+ *
+ * PARAMETERS: name - The name or table signature to be examined.
+ * Four characters, does not have to be a
+ * NULL terminated string.
+ *
+ * RETURN: TRUE if signature is has 4 valid ACPI characters
+ *
+ * DESCRIPTION: Validate an ACPI table signature.
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_nameseg(char *name)
+{
+ u32 i;
+
+ /* Validate each character in the signature */
+
+ for (i = 0; i < ACPI_NAME_SIZE; i++) {
+ if (!acpi_ut_valid_name_char(name[i], i)) {
+ return (FALSE);
+ }
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_valid_name_char
+ *
+ * PARAMETERS: char - The character to be examined
+ * position - Byte position (0-3)
+ *
+ * RETURN: TRUE if the character is valid, FALSE otherwise
+ *
+ * DESCRIPTION: Check for a valid ACPI character. Must be one of:
+ * 1) Upper case alpha
+ * 2) numeric
+ * 3) underscore
+ *
+ * We allow a '!' as the last character because of the ASF! table
+ *
+ ******************************************************************************/
+
+u8 acpi_ut_valid_name_char(char character, u32 position)
+{
+
+ if (!((character >= 'A' && character <= 'Z') ||
+ (character >= '0' && character <= '9') || (character == '_'))) {
+
+ /* Allow a '!' in the last position */
+
+ if (character == '!' && position == 3) {
+ return (TRUE);
+ }
+
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_check_and_repair_ascii
+ *
+ * PARAMETERS: name - Ascii string
+ * count - Number of characters to check
+ *
+ * RETURN: None
+ *
+ * DESCRIPTION: Ensure that the requested number of characters are printable
+ * Ascii characters. Sets non-printable and null chars to <space>.
+ *
+ ******************************************************************************/
+
+void acpi_ut_check_and_repair_ascii(u8 *name, char *repaired_name, u32 count)
+{
+ u32 i;
+
+ for (i = 0; i < count; i++) {
+ repaired_name[i] = (char)name[i];
+
+ if (!name[i]) {
+ return;
+ }
+ if (!isprint(name[i])) {
+ repaired_name[i] = ' ';
+ }
+ }
+}