[Pdbg] [PATCH v3 01/22] libpdbg: class name and name should be const

[Amitay Isaacs]

Each function returns a pointer to the actual name.  User must not be
able to modify that.

Signed-off-by: Amitay Isaacs <amitay at ozlabs.org>
Reviewed-by: Alistair Popple <alistair at popple.id.au>
---
 libpdbg/libpdbg.c | 4 ++--
 libpdbg/libpdbg.h | 4 ++--
 src/main.c        | 2 +-
 src/scom.c        | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/libpdbg/libpdbg.c b/libpdbg/libpdbg.c
index 0c5a451..aade5d3 100644
--- a/libpdbg/libpdbg.c
+++ b/libpdbg/libpdbg.c
@@ -120,12 +120,12 @@ uint32_t pdbg_parent_index(struct pdbg_target *target, char *class)
 		return -1;
 }
 
-char *pdbg_target_class_name(struct pdbg_target *target)
+const char *pdbg_target_class_name(struct pdbg_target *target)
 {
 	return target->class;
 }
 
-char *pdbg_target_name(struct pdbg_target *target)
+const char *pdbg_target_name(struct pdbg_target *target)
 {
 	return target->name;
 }
diff --git a/libpdbg/libpdbg.h b/libpdbg/libpdbg.h
index 235ff85..44af8cf 100644
--- a/libpdbg/libpdbg.h
+++ b/libpdbg/libpdbg.h
@@ -113,8 +113,8 @@ uint32_t pdbg_target_index(struct pdbg_target *target);
 char *pdbg_target_path(const struct pdbg_target *target);
 struct pdbg_target *pdbg_target_from_path(struct pdbg_target *target, const char *path);
 uint32_t pdbg_parent_index(struct pdbg_target *target, char *klass);
-char *pdbg_target_class_name(struct pdbg_target *target);
-char *pdbg_target_name(struct pdbg_target *target);
+const char *pdbg_target_class_name(struct pdbg_target *target);
+const char *pdbg_target_name(struct pdbg_target *target);
 const char *pdbg_target_dn_name(struct pdbg_target *target);
 void *pdbg_target_priv(struct pdbg_target *target);
 void pdbg_target_priv_set(struct pdbg_target *target, void *priv);
diff --git a/src/main.c b/src/main.c
index efdc4bb..44d1c55 100644
--- a/src/main.c
+++ b/src/main.c
@@ -518,7 +518,7 @@ static void print_target(struct pdbg_target *target, int level)
 	int i;
 	struct pdbg_target *next;
 	enum pdbg_target_status status;
-	char *classname;
+	const char *classname;
 
 	/* Does this target actually exist? */
 	status = pdbg_target_status(target);
diff --git a/src/scom.c b/src/scom.c
index 8d8e988..c747f3d 100644
--- a/src/scom.c
+++ b/src/scom.c
@@ -29,7 +29,7 @@
 /* Check if a target has scom region */
 static bool scommable(struct pdbg_target *target)
 {
-	char *classname;
+	const char *classname;
 
 	classname = pdbg_target_class_name(target);
 	if (!strcmp(classname, "pib") ||
-- 
2.21.0