[PATCH v4 08/20] libmultipath: use const char* in open_file()

[Martin Wilck <mwilck@xxxxxxxx>]

Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
---
 libmultipath/file.c | 6 +++---
 libmultipath/file.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/libmultipath/file.c b/libmultipath/file.c
index e4951c9..d5165ec 100644
--- a/libmultipath/file.c
+++ b/libmultipath/file.c
@@ -37,7 +37,7 @@
  */
 
 static int
-ensure_directories_exist(char *str, mode_t dir_mode)
+ensure_directories_exist(const char *str, mode_t dir_mode)
 {
 	char *pathname;
 	char *end;
@@ -80,7 +80,7 @@ sigalrm(int sig)
 }
 
 static int
-lock_file(int fd, char *file_name)
+lock_file(int fd, const char *file_name)
 {
 	struct sigaction act, oldact;
 	sigset_t set, oldset;
@@ -118,7 +118,7 @@ lock_file(int fd, char *file_name)
 }
 
 int
-open_file(char *file, int *can_write, char *header)
+open_file(const char *file, int *can_write, const char *header)
 {
 	int fd;
 	struct stat s;
diff --git a/libmultipath/file.h b/libmultipath/file.h
index 4f96dbf..70bffa5 100644
--- a/libmultipath/file.h
+++ b/libmultipath/file.h
@@ -6,6 +6,6 @@
 #define _FILE_H
 
 #define FILE_TIMEOUT 30
-int open_file(char *file, int *can_write, char *header);
+int open_file(const char *file, int *can_write, const char *header);
 
 #endif /* _FILE_H */
-- 
2.16.1

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