1 files changed, 4 insertions, 5 deletions
diff --git a/source/blender/blenlib/BLI_string_utf8.h b/source/blender/blenlib/BLI_string_utf8.h
index a9cb13a3277..937b36758f2 100644
--- a/source/blender/blenlib/BLI_string_utf8.h
+++ b/source/blender/blenlib/BLI_string_utf8.h
@@ -57,11 +57,10 @@ size_t BLI_str_utf32_as_utf8(char *__restrict dst,
                              const size_t maxncpy) ATTR_NONNULL(1, 2);
 size_t BLI_str_utf32_as_utf8_len(const char32_t *src) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
 
-char *BLI_str_find_prev_char_utf8(const char *str, const char *p) ATTR_WARN_UNUSED_RESULT
-    ATTR_NONNULL(1, 2);
-char *BLI_str_find_next_char_utf8(const char *p, const char *end) ATTR_WARN_UNUSED_RESULT
-    ATTR_NONNULL(1);
-char *BLI_str_prev_char_utf8(const char *p) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
+const char *BLI_str_find_prev_char_utf8(const char *p, const char *str_start)
+    ATTR_WARN_UNUSED_RESULT ATTR_RETURNS_NONNULL ATTR_NONNULL(1, 2);
+const char *BLI_str_find_next_char_utf8(const char *p, const char *str_end)
+    ATTR_WARN_UNUSED_RESULT ATTR_RETURNS_NONNULL ATTR_NONNULL(1, 2);
 
 /* wchar_t functions, copied from blenders own font.c originally */
 size_t BLI_wstrlen_utf8(const wchar_t *src) ATTR_NONNULL(1) ATTR_WARN_UNUSED_RESULT;