more of -Wall fixes from Cristian Ionescu-Idbohrn.
Some are fixing real bugs.
function old new delta
syslogd_main 938 958 +20
get_signum 136 143 +7
obj_load 777 782 +5
recv_from_to 210 214 +4
get_next_block 1795 1799 +4
display_topmem_process_list 1117 1121 +4
logread_main 484 487 +3
buffer_fill_and_print 73 76 +3
kill_main 687 689 +2
ll_remember_index 240 241 +1
do_stats 452 453 +1
if_readconf 166 165 -1
display_process_list 1192 1191 -1
run_applet_and_exit 507 505 -2
print_signames 33 31 -2
parse_one_line 1092 1090 -2
find_out_spec 57 55 -2
add_ksymoops_symbols 421 419 -2
ash_main 1407 1402 -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 11/8 up/down: 54/-17) Total: 37 bytes
diff --git a/loginutils/getty.c b/loginutils/getty.c
index da0dce3..5e16182 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -479,7 +479,7 @@
default:
if (!isascii(ascval) || !isprint(ascval)) {
/* ignore garbage characters */
- } else if (bp - logname >= size_logname - 1) {
+ } else if ((int)(bp - logname) >= size_logname - 1) {
bb_error_msg_and_die("%s: input overrun", op->tty);
} else {
full_write(1, &c, 1); /* echo the character */