linux-kernel - [PATCH 08/52] ACPICA: iASL: Improved pathname support

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Date:	Tue, 24 Jul 2012 23:41:04 -0400
From:	Len Brown <lenb@...nel.org>
To:	linux-acpi@...r.kernel.org, linux-pm@...ts.linux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Bob Moore <robert.moore@...el.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Len Brown <len.brown@...el.com>
Subject: [PATCH 08/52] ACPICA: iASL: Improved pathname support

From: Bob Moore <robert.moore@...el.com>

For include files, merge the prefix pathname with the file
pathname.  Convert backslashes in all pathnames to forward
slashes, for readability.  Include file pathname changes affect
both #include and Include() type operators.

Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Lin Ming <ming.m.lin@...el.com>
Signed-off-by: Len Brown <len.brown@...el.com>
---
 drivers/acpi/acpica/acutils.h |  2 ++
 drivers/acpi/acpica/utmisc.c  | 29 +++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 925ccf2..5035327 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -460,6 +460,8 @@ acpi_ut_short_divide(u64 in_dividend,
 /*
  * utmisc
  */
+void ut_convert_backslashes(char *pathname);
+
 const char *acpi_ut_validate_exception(acpi_status status);
 
 u8 acpi_ut_is_pci_root_bridge(char *id);
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c
index 86f19db..e86f897 100644
--- a/drivers/acpi/acpica/utmisc.c
+++ b/drivers/acpi/acpica/utmisc.c
@@ -52,6 +52,34 @@ ACPI_MODULE_NAME("utmisc")
 
 /*******************************************************************************
  *
+ * FUNCTION:    ut_convert_backslashes
+ *
+ * PARAMETERS:  Pathname        - File pathname string to be converted
+ *
+ * RETURN:      Modifies the input Pathname
+ *
+ * DESCRIPTION: Convert all backslashes (0x5C) to forward slashes (0x2F) within
+ *              the entire input file pathname string.
+ *
+ ******************************************************************************/
+void ut_convert_backslashes(char *pathname)
+{
+
+	if (!pathname) {
+		return;
+	}
+
+	while (*pathname) {
+		if (*pathname == '\\') {
+			*pathname = '/';
+		}
+
+		pathname++;
+	}
+}
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ut_validate_exception
  *
  * PARAMETERS:  Status       - The acpi_status code to be formatted
@@ -63,6 +91,7 @@ ACPI_MODULE_NAME("utmisc")
  *              an ASCII string.
  *
  ******************************************************************************/
+
 const char *acpi_ut_validate_exception(acpi_status status)
 {
 	u32 sub_status;
-- 
1.7.12.rc0

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