od: move address_fmt[] from data to globals. 8 less bytes in data section

function                                             old     new   delta
od_main                                             2164    2179     +15
address_fmt                                            8       -      -8
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/0 up/down: 15/-8)               Total: 7 bytes
   text    data     bss     dec     hex filename
 930954     481    6852  938287   e512f busybox_old
 930977     473    6852  938302   e513e busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

diff --git a/coreutils/od_bloaty.c b/coreutils/od_bloaty.c
index c9bb3b85f46b9ea2e47657d7b91d2fdd4a06cc81..4cae0c5299321feeca7ef7e58b479f519b813a48 100644 (file)
--- a/coreutils/od_bloaty.c
+++ b/coreutils/od_bloaty.c
@@ -211,7 +211,14 @@ struct globals {
 
        bool not_first;
        bool prev_pair_equal;
+
+       char address_fmt[sizeof("%0n"OFF_FMT"xc")];
 } FIX_ALIASING;
+/* Corresponds to 'x' above */
+#define address_base_char G.address_fmt[sizeof(G.address_fmt)-3]
+/* Corresponds to 'n' above */
+#define address_pad_len_char G.address_fmt[2]
+
 #if !ENABLE_LONG_OPTS
 enum { G_pseudo_offset = 0 };
 #endif
@@ -220,6 +227,7 @@ enum { G_pseudo_offset = 0 };
        setup_common_bufsiz(); \
        BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \
        G.bytes_per_block = 32; \
+       strcpy(G.address_fmt, "%0n"OFF_FMT"xc"); \
 } while (0)
 
 
@@ -844,18 +852,12 @@ format_address_none(off_t address UNUSED_PARAM, char c UNUSED_PARAM)
 {
 }
 
-static char address_fmt[] ALIGN1 = "%0n"OFF_FMT"xc";
-/* Corresponds to 'x' above */
-#define address_base_char address_fmt[sizeof(address_fmt)-3]
-/* Corresponds to 'n' above */
-#define address_pad_len_char address_fmt[2]
-
 static void
 format_address_std(off_t address, char c)
 {
        /* Corresponds to 'c' */
-       address_fmt[sizeof(address_fmt)-2] = c;
-       printf(address_fmt, address);
+       G.address_fmt[sizeof(G.address_fmt)-2] = c;
+       printf(G.address_fmt, address);
 }
 
 #if ENABLE_LONG_OPTS