libbb: eliminate a static data array in bb_mode_string()

function                                             old     new   delta
print_stat                                           861     869      +8
header_verbose_list_ar                                73      77      +4
display_single                                       975     979      +4
header_verbose_list                                  237     239      +2
bb_mode_string                                       124     115      -9
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 18/-9)               Total: 9 bytes
   text	   data	    bss	    dec	    hex	filename
1043136	    559	   5052	1048747	 1000ab	busybox_old
1043153	    559	   5020	1048732	 10009c	busybox_unstripped

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

1 files changed, 2 insertions, 4 deletions

diff --git a/libbb/mode_string.c b/libbb/mode_string.c
index 9a286f3ff..2b829016f 100644
--- a/libbb/mode_string.c
+++ b/libbb/mode_string.c
@@ -43,9 +43,8 @@ static const char type_chars[16] ALIGN1 = "?pc?d?b?-?l?s???";
 /***************************************** 0123456789abcdef */
 static const char mode_chars[7] ALIGN1 = "rwxSTst";
 
-const char* FAST_FUNC bb_mode_string(mode_t mode)
+char* FAST_FUNC bb_mode_string(char buf[12], mode_t mode)
 {
-        static char buf[12];
         char *p = buf;
 
         int i, j, k;
@@ -83,9 +82,8 @@ static const char type_chars[16] ALIGN1 = "?pc?d?b?-?l?s???";
 /********************************** 0123456789abcdef */
 static const char mode_chars[7] ALIGN1 = "rwxSTst";
 
-const char* FAST_FUNC bb_mode_string(mode_t mode)
+char* FAST_FUNC bb_mode_string(char buf[12], mode_t mode)
 {
-        static char buf[12];
         char *p = buf;
 
         int i, j, k, m;