vis

commit 2da512858bec1f4b5b4fe93466c8e6b3604d2485
parent 7ff12acee6fc4d7931d18208dee2a2689c17995b
Author: Marc André Tanner <mat@brain-dump.org>
Date:   Sun,  8 Nov 2015 17:10:47 +0100

Fix warnings found by static analyzer

Diffstat:
M
ui-curses.c
 | 
4
++--
M
ui.h
 | 
2
+-
M
view.c
 | 
3
+--
M
vis.h
 | 
2
+-

4 files changed, 5 insertions(+), 6 deletions(-)
diff --git a/ui-curses.c b/ui-curses.c
@@ -672,7 +672,7 @@ static void ui_window_draw(UiWin *w) {
 	}
 	short selection_bg = win->styles[UI_STYLE_SELECTION].bg;
 	short cursor_line_bg = win->styles[UI_STYLE_CURSOR_LINE].bg;
-	attr_t attr;
+	attr_t attr = A_NORMAL;
 	for (const Line *l = view_lines_get(win->view); l; l = l->next) {
 		bool cursor_line = l->lineno == cursor_lineno;
 		for (int x = 0; x < width; x++) {
@@ -919,7 +919,7 @@ static UiWin *ui_window_new(Ui *ui, View *view, File *file) {
 	return &win->uiwin;
 }
 
-static void ui_die(Ui *ui, const char *msg, va_list ap) {
+__attribute__((noreturn)) static void ui_die(Ui *ui, const char *msg, va_list ap) {
 	UiCurses *uic = (UiCurses*)ui;
 	endwin();
 	if (uic->termkey)
diff --git a/ui.h b/ui.h
@@ -50,7 +50,7 @@ struct Ui {
 	void (*prompt)(Ui*, const char *title, const char *value);
 	char* (*prompt_input)(Ui*);
 	void (*prompt_hide)(Ui*);
-	void (*die)(Ui*, const char *msg, va_list ap);
+	void (*die)(Ui*, const char *msg, va_list ap) __attribute__((noreturn));
 	void (*info)(Ui*, const char *msg, va_list ap);
 	void (*info_hide)(Ui*);
 	void (*arrange)(Ui*, enum UiLayout);
diff --git a/view.c b/view.c
@@ -599,8 +599,7 @@ bool view_resize(View *view, int width, int height) {
 	}
 	view->width = width;
 	view->height = height;
-	if (view->lines)
-		memset(view->lines, 0, view->lines_size);
+	memset(view->lines, 0, view->lines_size);
 	view_draw(view);
 	return true;
 }
diff --git a/vis.h b/vis.h
@@ -104,7 +104,7 @@ int vis_run(Vis*, int argc, char *argv[]);
 /* terminate editing session, given status will be the return value of vis_run */
 void vis_exit(Vis*, int status);
 /* emergency exit, print given message, perform minimal ui cleanup and exit process */
-void vis_die(Vis*, const char *msg, ...);
+void vis_die(Vis*, const char *msg, ...) __attribute__((noreturn));
 
 /* user facing modes are: NORMAL, VISUAL, VISUAL_LINE, PROMPT, INSERT, REPLACE.
  * the others should be considered as implementation details (TODO: do not expose them?) */