[parted-devel] [PATCH 3/3] include/parted/unit.in.h: Specify const attribute to ped_unit_get_name()

[Shin'ichiro Kawasaki]

GCC 8 fails to compile libparted/unit.c with an error:

  CC       unit.lo
unit.c:155:1: error: function might be candidate for attribute 'const' [-Werror=suggest-attribute=const]
 ped_unit_get_name (PedUnit unit)
 ^~~~~~~~~~~~~~~~~
  CC       disk.lo
cc1: all warnings being treated as errors

Const attribute is required for the function ped_unit_get_name() because
its return value is not affected by program status. To avoid the build
failure, change attribute of the function from pure to const.

Signed-off-by: Shin'ichiro Kawasaki <kawasaki at juno.dti.ne.jp>
---
 include/parted/unit.in.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/parted/unit.in.h b/include/parted/unit.in.h
index 315660d..ad8d901 100644
--- a/include/parted/unit.in.h
+++ b/include/parted/unit.in.h
@@ -66,7 +66,7 @@ typedef enum {
 
 extern long long ped_unit_get_size (const PedDevice* dev, PedUnit unit);
 extern const char *ped_unit_get_name (PedUnit unit)
-  _GL_ATTRIBUTE_PURE;
+  _GL_ATTRIBUTE_CONST;
 extern PedUnit ped_unit_get_by_name (const char* unit_name) _GL_ATTRIBUTE_PURE;
 
 extern void ped_unit_set_default (PedUnit unit);
-- 
2.22.0