Make handle parameter to lilv_path_exists const

3 files changed, 9 insertions, 7 deletions

diff --git a/src/lilv_internal.h b/src/lilv_internal.h
index 15d2716..426eaaf 100644
--- a/src/lilv_internal.h
+++ b/src/lilv_internal.h
@@ -383,7 +383,7 @@ char*  lilv_get_lang(void);
 char*  lilv_expand(const char* path);
 char*  lilv_dirname(const char* path);
 int    lilv_copy_file(const char* src, const char* dst);
-bool   lilv_path_exists(const char* path, void* ignored);
+bool   lilv_path_exists(const char* path, const void* ignored);
 char*  lilv_path_absolute(const char* path);
 bool   lilv_path_is_absolute(const char* path);
 char*  lilv_get_latest_copy(const char* path, const char* copy_path);
@@ -398,7 +398,8 @@ bool   lilv_file_equals(const char* a_path, const char* b_path);
 
 char*
 lilv_find_free_path(const char* in_path,
-                    bool (*exists)(const char*, void*), void* user_data);
+                    bool (*exists)(const char*, const void*),
+                    const void* user_data);
 
 void
 lilv_dir_for_each(const char* path,
diff --git a/src/state.c b/src/state.c
index 2d1b349..23c1cc4 100644
--- a/src/state.c
+++ b/src/state.c
@@ -198,9 +198,9 @@ retrieve_callback(LV2_State_Handle handle,
 }
 
 static bool
-lilv_state_has_path(const char* path, void* state)
+lilv_state_has_path(const char* path, const void* state)
 {
-	return lilv_state_rel2abs((LilvState*)state, path) != path;
+	return lilv_state_rel2abs((const LilvState*)state, path) != path;
 }
 
 static char*
@@ -872,7 +872,7 @@ add_state_to_manifest(LilvWorld*      lworld,
 }
 
 static bool
-link_exists(const char* path, void* data)
+link_exists(const char* path, const void* data)
 {
 	const char* target = (const char*)data;
 	if (!lilv_path_exists(path, NULL)) {
diff --git a/src/util.c b/src/util.c
index e057809..e896d65 100644
--- a/src/util.c
+++ b/src/util.c
@@ -273,7 +273,7 @@ lilv_dirname(const char* path)
 }
 
 bool
-lilv_path_exists(const char* path, void* ignored)
+lilv_path_exists(const char* path, const void* ignored)
 {
 #ifdef HAVE_LSTAT
 	struct stat st;
@@ -285,7 +285,8 @@ lilv_path_exists(const char* path, void* ignored)
 
 char*
 lilv_find_free_path(const char* in_path,
-                    bool (*exists)(const char*, void*), void* user_data)
+                    bool (*exists)(const char*, const void*),
+                    const void* user_data)
 {
 	const size_t in_path_len = strlen(in_path);
 	char*        path        = (char*)malloc(in_path_len + 7);