ewah: fix constness of ewah_read_mmap

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/ewah/ewah_io.c b/ewah/ewah_io.c
index f7f700ef516eea2fe908f66b1518b5e3a1d9fd33..1c2d7afd4cb9b70a324d355c3d69b732b181012b 100644 (file)
--- a/ewah/ewah_io.c
+++ b/ewah/ewah_io.c
@@ -110,9 +110,9 @@ int ewah_serialize(struct ewah_bitmap *self, int fd)
        return ewah_serialize_to(self, write_helper, (void *)(intptr_t)fd);
 }
 
-int ewah_read_mmap(struct ewah_bitmap *self, void *map, size_t len)
+int ewah_read_mmap(struct ewah_bitmap *self, const void *map, size_t len)
 {
-       uint8_t *ptr = map;
+       const uint8_t *ptr = map;
        size_t i;
 
        self->bit_size = get_be32(ptr);

diff --git a/ewah/ewok.h b/ewah/ewok.h
index 43adeb5c6893381918ea948efa70b4756f831583..0556ca5fb06e8011a60c9499ab45fddd7f5c8cdb 100644 (file)
--- a/ewah/ewok.h
+++ b/ewah/ewok.h
@@ -99,7 +99,7 @@ int ewah_serialize(struct ewah_bitmap *self, int fd);
 int ewah_serialize_native(struct ewah_bitmap *self, int fd);
 
 int ewah_deserialize(struct ewah_bitmap *self, int fd);
-int ewah_read_mmap(struct ewah_bitmap *self, void *map, size_t len);
+int ewah_read_mmap(struct ewah_bitmap *self, const void *map, size_t len);
 int ewah_read_mmap_native(struct ewah_bitmap *self, void *map, size_t len);
 
 uint32_t ewah_checksum(struct ewah_bitmap *self);