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[xen master] tools/misc: Use const whenever we point to literal strings



commit 5605cfd49a18df41a21fb50cd81528312a39d7c9
Author:     Julien Grall <jgrall@xxxxxxxxxx>
AuthorDate: Tue May 18 14:50:32 2021 +0100
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Tue May 18 14:54:05 2021 +0100

    tools/misc: Use const whenever we point to literal strings
    
    literal strings are not meant to be modified. So we should use const
    char * rather than char * when we we to store a pointer to them.
    
    Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
    Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
---
 tools/misc/xen-detect.c | 2 +-
 tools/misc/xenhypfs.c   | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/misc/xen-detect.c b/tools/misc/xen-detect.c
index eac9e46a35..18b28dabf3 100644
--- a/tools/misc/xen-detect.c
+++ b/tools/misc/xen-detect.c
@@ -44,7 +44,7 @@ enum guest_type {
     XEN_NONE = 3
 };
 
-static char *type;
+static const char *type;
 static char *ver;
 
 static void cpuid(uint32_t idx, uint32_t *regs, int pv_context)
diff --git a/tools/misc/xenhypfs.c b/tools/misc/xenhypfs.c
index 5da24aed90..df398b07bd 100644
--- a/tools/misc/xenhypfs.c
+++ b/tools/misc/xenhypfs.c
@@ -81,9 +81,9 @@ static int xenhypfs_wr(char *path, char *val)
     return ret;
 }
 
-static char *xenhypfs_type(struct xenhypfs_dirent *ent)
+static const char *xenhypfs_type(struct xenhypfs_dirent *ent)
 {
-    char *res;
+    const char *res;
 
     switch (ent->type) {
     case xenhypfs_type_dir:
@@ -134,7 +134,7 @@ static int xenhypfs_ls(char *path)
     return ret;
 }
 
-static int xenhypfs_tree_sub(char *path, unsigned int depth)
+static int xenhypfs_tree_sub(const char *path, unsigned int depth)
 {
     struct xenhypfs_dirent *ent;
     unsigned int n, i;
--
generated by git-patchbot for /home/xen/git/xen.git#master



 


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