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

1 files changed, 12 insertions, 12 deletions

diff --git a/miscutils/less.c b/miscutils/less.c
index 065bf6f38..25b91c0fe 100644
--- a/miscutils/less.c
+++ b/miscutils/less.c
@@ -297,7 +297,7 @@ static void read_lines(void)
                                         new_linepos += 7;
                                         new_linepos &= (~7);
                                 }
-                                if (new_linepos >= w)
+                                if ((int)new_linepos >= w)
                                         break;
                                 linepos = new_linepos;
                         }
@@ -415,7 +415,7 @@ static void m_status_print(void)
         printf(" lines %i-%i/%i ",
                         cur_fline + 1, cur_fline + max_displayed_line + 1,
                         max_fline + 1);
-        if (cur_fline >= max_fline - max_displayed_line) {
+        if (cur_fline >= (int)(max_fline - max_displayed_line)) {
                 printf("(END)"NORMAL);
                 if (num_files > 1 && current_file != num_files)
                         printf(HIGHLIGHT" - next: %s"NORMAL, files[current_file]);
@@ -444,7 +444,7 @@ static void status_print(void)
 #endif
 
         clear_line();
-        if (cur_fline && cur_fline < max_fline - max_displayed_line) {
+        if (cur_fline && cur_fline < (int)(max_fline - max_displayed_line)) {
                 bb_putchar(':');
                 return;
         }
@@ -587,7 +587,7 @@ static void print_ascii(const char *str)
 /* Print the buffer */
 static void buffer_print(void)
 {
-        int i;
+        unsigned i;
 
         move_cursor(0, 0);
         for (i = 0; i <= max_displayed_line; i++)
@@ -600,7 +600,7 @@ static void buffer_print(void)
 
 static void buffer_fill_and_print(void)
 {
-        int i;
+        unsigned i;
         for (i = 0; i <= max_displayed_line && cur_fline + i <= max_fline; i++) {
                 buffer[i] = flines[cur_fline + i];
         }
@@ -662,7 +662,7 @@ static void open_file_and_read_lines(void)
 /* Reinitialize everything for a new file - free the memory and start over */
 static void reinitialize(void)
 {
-        int i;
+        unsigned i;
 
         if (flines) {
                 for (i = 0; i <= max_fline; i++)
@@ -763,7 +763,7 @@ static int less_getch(int pos)
 static char* less_gets(int sz)
 {
         char c;
-        int i = 0;
+        unsigned i = 0;
         char *result = xzalloc(1);
 
         while (1) {
@@ -836,7 +836,7 @@ static void change_file(int direction)
 
 static void remove_current_file(void)
 {
-        int i;
+        unsigned i;
 
         if (num_files < 2)
                 return;
@@ -974,7 +974,7 @@ static void regex_process(void)
         match_pos = 0;
         fill_match_lines(0);
         while (match_pos < num_matches) {
-                if (match_lines[match_pos] > cur_fline)
+                if ((int)match_lines[match_pos] > cur_fline)
                         break;
                 match_pos++;
         }
@@ -990,7 +990,7 @@ static void regex_process(void)
 
 static void number_process(int first_digit)
 {
-        int i;
+        unsigned i;
         int num;
         char num_input[sizeof(int)*4]; /* more than enough */
         char keypress;
@@ -1120,7 +1120,7 @@ static void save_input_to_file(void)
 {
         const char *msg = "";
         char *current_line;
-        int i;
+        unsigned i;
         FILE *fp;
 
         print_statusline("Log file: ");
@@ -1204,7 +1204,7 @@ static char opp_bracket(char bracket)
 
 static void match_right_bracket(char bracket)
 {
-        int i;
+        unsigned i;
 
         if (strchr(flines[cur_fline], bracket) == NULL) {
                 print_statusline("No bracket in top line");