use %m printf specifier where appropriate

function                                             old     new   delta
out                                                   85      75     -10
udhcpd_main                                         1472    1461     -11
open_stdio_to_tty                                     98      85     -13
init_exec                                            245     232     -13
udhcpc_main                                         2763    2749     -14
do_cmd                                              4771    4755     -16
status_line_bold_errno                                32      14     -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/7 up/down: 0/-95)             Total: -95 bytes

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

1 files changed, 5 insertions, 3 deletions

diff --git a/init/init.c b/init/init.c
index 64e5c3e0b..5304e5c2c 100644
--- a/init/init.c
+++ b/init/init.c
@@ -391,8 +391,10 @@ static int open_stdio_to_tty(const char* tty_name)
                 /* fd can be only < 0 or 0: */
                 fd = device_open(tty_name, O_RDWR);
                 if (fd) {
-                        message(L_LOG | L_CONSOLE, "can't open %s: %s",
-                                tty_name, strerror(errno));
+                        message(L_LOG | L_CONSOLE, "can't open %s: "STRERROR_FMT,
+                                tty_name
+                                STRERROR_ERRNO
+                        );
                         return 0; /* failure */
                 }
                 dup2(STDIN_FILENO, STDOUT_FILENO);
@@ -469,7 +471,7 @@ static void init_exec(const char *command)
         }
         /* Here command never contains the dash, cmd[0] might */
         BB_EXECVP(command, cmd);
-        message(L_LOG | L_CONSOLE, "can't run '%s': %s", command, strerror(errno));
+        message(L_LOG | L_CONSOLE, "can't run '%s': "STRERROR_FMT, command STRERROR_ERRNO);
         /* returns if execvp fails */
 }