Made the data type of some variables more appropriate.

edit/edit.c

@@ -192,12 +192,11 @@ static const struct edit_filters {
 /* Return index of the filter or -1 is there is no appropriate filter */
 static int edit_find_filter (const char *filename)
 {
-    int i, l;
+    size_t i, l, e;
     if (!filename)
 	return -1;
     l = strlen (filename);
-    for (i = 0; i < sizeof (all_filters) / sizeof (struct edit_filters); i++) {
-	int e;
+    for (i = 0; i < sizeof (all_filters) / sizeof (all_filters[0]); i++) {
 	e = strlen (all_filters[i].extension);
 	if (l > e)
 	    if (!strcmp (all_filters[i].extension, filename + l - e))
@@ -511,8 +510,8 @@ edit_init (WEdit *edit, int lines, int columns, const char *filename,
 	static char option_whole_chars_search_buf[256];
 
 	if (option_whole_chars_search_buf != option_whole_chars_search) {
-	    int i;
-	    int len = strlen (option_whole_chars_search);
+	    size_t i;
+	    size_t len = strlen (option_whole_chars_search);
 
 	    strcpy (option_whole_chars_search_buf,
 		    option_whole_chars_search);
@@ -701,7 +700,7 @@ void edit_push_action (WEdit * edit, long c,...)
     if (sp > edit->stack_size - 10) {	/* say */
 	if (option_max_undo < 256)
 	    option_max_undo = 256;
-	if (edit->stack_size < option_max_undo) {
+	if (edit->stack_size < (unsigned long) option_max_undo) {
 	    t = g_realloc (edit->undo_stack, (edit->stack_size * 2 + 10) * sizeof (long));
 	    if (t) {
 		edit->undo_stack = t;
@@ -770,9 +769,12 @@ void edit_push_action (WEdit * edit, long c,...)
 
     edit->stack_pointer = (edit->stack_pointer + 1) & edit->stack_size_mask;
 
-/*if the sp wraps round and catches the stack_bottom then erase the first set of actions on the stack to make space - by moving stack_bottom forward one "key press" */
+    /* if the sp wraps round and catches the stack_bottom then erase
+     * the first set of actions on the stack to make space - by moving
+     * stack_bottom forward one "key press" */
     c = (edit->stack_pointer + 2) & edit->stack_size_mask;
-    if (c == edit->stack_bottom || ((c + 1) & edit->stack_size_mask) == edit->stack_bottom)
+    if ((unsigned long) c == edit->stack_bottom ||
+       (((unsigned long) c + 1) & edit->stack_size_mask) == edit->stack_bottom)
 	do {
 	    edit->stack_bottom = (edit->stack_bottom + 1) & edit->stack_size_mask;
 	} while (edit->undo_stack[edit->stack_bottom] < KEY_PRESS && edit->stack_bottom != edit->stack_pointer);
@@ -1297,7 +1299,7 @@ void edit_update_curs_col (WEdit * edit)
 /*moves the display start position up by i lines */
 void edit_scroll_upward (WEdit * edit, unsigned long i)
 {
-    int lines_above = edit->start_line;
+    unsigned long lines_above = edit->start_line;
     if (i > lines_above)
 	i = lines_above;
     if (i) {
@@ -1380,7 +1382,7 @@ edit_move_to_prev_col (WEdit * edit, long p)
 /* move i lines */
 void edit_move_up (WEdit * edit, unsigned long i, int scroll)
 {
-    long p, l = edit->curs_line;
+    unsigned long p, l = edit->curs_line;
 
     if (i > l)
 	i = l;

edit/editcmd.c

@@ -165,7 +165,7 @@ char *catstrs (const char *first,...)
 /* Free temporary strings */
 void freestrs(void)
 {
-    int i;
+    size_t i;
 
     for (i = 0; i < sizeof(stacked) / sizeof(stacked[0]); i++) {
 	g_free (stacked[i]);
@@ -394,10 +394,10 @@ void menu_save_mode_cmd (void)
     static int i18n_flag = 0;
 
     if (!i18n_flag) {
-        int i;
-	int maxlen = 0;
+        size_t i;
+	size_t maxlen = 0;
 	int dlg_x;
-	int l1;
+	size_t l1;
 
 	/* OK/Cancel buttons */
 	l1 = strlen (_(widgets[0].text)) + strlen (_(widgets[1].text)) + 5;
@@ -2726,8 +2726,8 @@ edit_completion_dialog (WEdit *edit, int max_len, int word_len,
     char *curr = NULL;
     Dlg_head *compl_dlg;
     WListbox *compl_list;
-    unsigned int compl_dlg_h;	/* completion dialog height */
-    unsigned int compl_dlg_w;	/* completion dialog width */
+    int compl_dlg_h;	/* completion dialog height */
+    int compl_dlg_w;	/* completion dialog width */
 
     /* calculate the dialog metrics */
     compl_dlg_h = num_compl + 2;

src/background.c

@@ -195,13 +195,13 @@ background_attention (int fd, void *closure)
     void *routine;
     int  argc, i, result, status;
     char *data [MAXCALLARGS];
-    int bytes;
+    ssize_t bytes;
     enum ReturnType type;
 
     ctx = closure;
 
     bytes = read (fd, &routine, sizeof (routine));
-    if (bytes < (sizeof (routine))) {
+    if (bytes == -1 || (size_t) bytes < (sizeof (routine))) {
 	char *background_process_error = _(" Background process error ");
 
 	unregister_task_running (ctx->pid, fd);

src/color.c

@@ -168,7 +168,7 @@ static char *default_colors =
 
 static void get_color (char *cpp, CTYPE *colp)
 {
-    int i;
+    size_t i;
     
     for (i = 0; i < ELEMENTS(color_table); i++){
 	if (strcmp (cpp, color_name (i)) == 0){
@@ -208,7 +208,8 @@ static void get_two_colors (char **cpp, struct colorpair *colorpairp)
 static void configure_colors_string (char *the_color_string)
 {
     char *color_string, *p;
-    int  i, found;
+    size_t i;
+    int found;
 
     if (!the_color_string)
 	return;
@@ -274,7 +275,7 @@ load_dialog_colors (void)
 
 void init_colors (void)
 {
-    int i;
+    size_t i;
     
     int hascolors;
 

src/command.c

@@ -202,7 +202,7 @@ enter (WInput *cmdline)
 	return MSG_HANDLED;
     } else {
 	char *command, *s;
-	int i, j;
+	size_t i, j;
 
 	if (!vfs_current_is_local ()) {
 	    message (1, MSG_ERROR,

src/ext.c

@@ -131,7 +131,7 @@ exec_extension (const char *filename, const char *data, int *move_dir,
 		written_nonspace = 1;
 		g_free (parameter);
 	    } else {
-		int len = strlen (prompt);
+		size_t len = strlen (prompt);
 
 		if (len < sizeof (prompt) - 1) {
 		    prompt[len] = *data;

src/file.c

@@ -163,7 +163,7 @@ static int transform_error = 0;
 static unsigned char *
 do_transform_source (FileOpContext *ctx, unsigned char *source)
 {
-    int j, k, l, len;
+    size_t j, k, l, len;
     unsigned char *fnsource = x_basename (source);
     int next_reg;
     enum CaseConvs case_conv = NO_CONV;
@@ -218,8 +218,8 @@ do_transform_source (FileOpContext *ctx, unsigned char *source)
 		transform_error = FILE_ABORT;
 		return NULL;
 	    }
-	    for (l = ctx->regs.start[next_reg];
-		 l < ctx->regs.end[next_reg]; l++)
+	    for (l = (size_t) ctx->regs.start[next_reg];
+		 l < (size_t) ctx->regs.end[next_reg]; l++)
 		fntarget[k++] = convert_case (fnsource[l], &case_conv);
 	    next_reg++;
 	    break;

src/hotlist.c

@@ -593,7 +593,7 @@ init_i18n_stuff(int list_type, int cols)
 static void
 init_hotlist (int list_type)
 {
-    int i;
+    size_t i;
     char *title, *help_node;
     int hotlist_cols;
 
@@ -664,7 +664,7 @@ init_hotlist (int list_type)
 static void
 init_movelist (int list_type, struct hotlist *item)
 {
-    int i;
+    size_t i;
     char *hdr = g_strdup_printf (_("Moving %s"), item->label);
     int movelist_cols = init_i18n_stuff (list_type, COLS - 6);
 
@@ -843,7 +843,7 @@ static int add_new_entry_input (char *header, char *text1, char *text2, char *he
 	  0, 0, "label-lbl" },
     NULL_QuickWidget };
     
-    int len;
+    size_t len;
     int i;
     int lines1, lines2;
     char *my_str1, *my_str2;
@@ -852,8 +852,8 @@ static int add_new_entry_input (char *header, char *text1, char *text2, char *he
 	static int i18n_flag = 0;
 #endif /* ENABLE_NLS */
 
-    len = max (strlen (header), msglen (text1, &lines1));
-    len = max (len, msglen (text2, &lines2)) + 4;
+    len = max (strlen (header), (size_t) msglen (text1, &lines1));
+    len = max (len, (size_t) msglen (text2, &lines2)) + 4;
     len = max (len, 64);
 
 #ifdef ENABLE_NLS
@@ -943,7 +943,7 @@ static int add_new_group_input (char *header, char *label, char **result)
 	static int i18n_flag = 0;
 #endif /* ENABLE_NLS */
     
-    len = max (strlen (header), msglen (label, &lines)) + 4;
+    len = max (strlen (header), (size_t) msglen (label, &lines)) + 4;
     len = max (len, 64);
 
 #ifdef ENABLE_NLS

src/layout.c

@@ -852,7 +852,7 @@ void print_vfs_message (char *msg, ...)
 void rotate_dash (void)
 {
     static const char rotating_dash [] = "|/-\\";
-    static int pos = 0;
+    static size_t pos = 0;
 
     if (!nice_rotating_dash || (ok_to_refresh <= 0))
 	return;

src/menu.c

@@ -67,10 +67,10 @@ create_menu (char *name, menu_entry *entries, int count, char *help_node)
 
 		if (cp != NULL && *(cp+1) != '\0') {
 		    mp->hot_key = tolower (*(cp+1));
-		    menu->max_entry_len = max (strlen (mp->text) - 1,
+		    menu->max_entry_len = max ((int) (strlen (mp->text) - 1),
 			menu->max_entry_len);
 		} else {
-		    menu->max_entry_len = max (strlen (mp->text),
+		    menu->max_entry_len = max ((int) strlen (mp->text),
 			menu->max_entry_len);
 		}
 	    }

src/slint.c

@@ -361,7 +361,7 @@ int has_colors (void)
 {
     char *terminal = getenv ("TERM");
     char *cts = color_terminal_string, *s;
-    int  i;
+    size_t i;
 
     if (force_colors)
        SLtt_Use_Ansi_Colors = 1;

src/util.c

@@ -217,7 +217,7 @@ name_trunc (const char *txt, int trunc_len)
     int txt_len;
     char *p;
 
-    if (trunc_len > sizeof (x) - 1) {
+    if ((size_t) trunc_len > sizeof (x) - 1) {
 	trunc_len = sizeof (x) - 1;
     }
     txt_len = strlen (txt);
@@ -410,7 +410,7 @@ strip_password (char *p, int has_prefix)
 		     {"/#smb:", 6},
     };
     char *at, *inner_colon, *dir;
-    int i;
+    size_t i;
     char *result = p;
     
     for (i = 0; i < sizeof (prefixes)/sizeof (prefixes[0]); i++) {
@@ -719,7 +719,7 @@ char *extract_line (char *s, char *top)
     static char tmp_line [BUF_MEDIUM];
     char *t = tmp_line;
     
-    while (*s && *s != '\n' && (t - tmp_line) < sizeof (tmp_line)-1 && s < top)
+    while (*s && *s != '\n' && (size_t) (t - tmp_line) < sizeof (tmp_line)-1 && s < top)
 	*t++ = *s++;
     *t = 0;
     return tmp_line;