X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fsighandler.c;h=ceaa4842286ec14f27567fdf56c29188853719f9;hb=94a09b3cac98a3bc1ed580fce16aa9869f83bbaa;hp=988927f01c0c254627e84fd1646d963edb3a7b87;hpb=9c3ece56d20db392610ae3106d570ee47c5831e8;p=i3%2Fi3

diff --git a/src/sighandler.c b/src/sighandler.c
index 988927f0..ceaa4842 100644
--- a/src/sighandler.c
+++ b/src/sighandler.c
@@ -4,8 +4,8 @@
  * vim:ts=4:sw=4:expandtab
  *
  * i3 - an improved dynamic tiling window manager
- * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
- * © 2009-2010 Jan-Erik Rediger
+ * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
+ * © 2009 Jan-Erik Rediger
  *
  * sighandler.c: Interactive crash dialog upon SIGSEGV/SIGABRT/SIGFPE (offers
  *               to restart inplace).
@@ -34,8 +34,7 @@ static char *crash_text[] = {
     "or press",
     "- 'b' to save a backtrace (needs GDB),",
     "- 'r' to restart i3 in-place or",
-    "- 'f' to forget the current layout and restart"
-};
+    "- 'f' to forget the current layout and restart"};
 static int crash_text_longest = 5;
 static int backtrace_string_index = 3;
 static int backtrace_done = 0;
@@ -71,8 +70,14 @@ static int backtrace(void) {
         int stdin_pipe[2],
             stdout_pipe[2];
 
-        pipe(stdin_pipe);
-        pipe(stdout_pipe);
+        if (pipe(stdin_pipe) == -1) {
+            ELOG("Failed to init stdin_pipe\n");
+            return -1;
+        }
+        if (pipe(stdout_pipe) == -1) {
+            ELOG("Failed to init stdout_pipe\n");
+            return -1;
+        }
 
         /* close standard streams in case i3 is started from a terminal; gdb
          * needs to run without controlling terminal for it to work properly in
@@ -102,8 +107,7 @@ static int backtrace(void) {
             "-ex", "set logging on",
             "-ex", "bt full",
             "-ex", "quit",
-            NULL
-        };
+            NULL};
         execvp(args[0], args);
         DLOG("Failed to exec GDB\n");
         exit(1);
@@ -117,7 +121,7 @@ static int backtrace(void) {
         DLOG("GDB did not run properly\n");
         return -1;
     } else if (stat(filename, &bt) == -1) {
-        DLOG("GDB executed succesfully, but no backtrace was generated\n");
+        DLOG("GDB executed successfully, but no backtrace was generated\n");
         return -1;
     }
     return 1;
@@ -129,11 +133,11 @@ static int backtrace(void) {
  */
 static int sig_draw_window(xcb_window_t win, int width, int height, int font_height, i3String **crash_text_i3strings) {
     /* re-draw the background */
-    xcb_rectangle_t border = { 0, 0, width, height},
-                    inner = { 2, 2, width - 4, height - 4};
-    xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ get_colorpixel("#FF0000") });
+    xcb_rectangle_t border = {0, 0, width, height},
+                    inner = {2, 2, width - 4, height - 4};
+    xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){get_colorpixel("#FF0000")});
     xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &border);
-    xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){ get_colorpixel("#000000") });
+    xcb_change_gc(conn, pixmap_gc, XCB_GC_FOREGROUND, (uint32_t[]){get_colorpixel("#000000")});
     xcb_poly_fill_rectangle(conn, pixmap, pixmap_gc, 1, &inner);
 
     /* restore font color */
@@ -151,7 +155,7 @@ static int sig_draw_window(xcb_window_t win, int width, int height, int font_hei
             set_font_colors(pixmap_gc, get_colorpixel(bt_colour), get_colorpixel("#000000"));
 
         draw_text(crash_text_i3strings[i], pixmap, pixmap_gc,
-                8, 5 + i * font_height, width - 16);
+                  8, 5 + i * font_height, width - 16);
 
         /* and reset the colour again for other lines */
         if (i == backtrace_string_index)
@@ -221,10 +225,10 @@ static xcb_window_t open_input_window(xcb_connection_t *conn, Rect screen_rect,
 
     xcb_create_window(conn,
                       XCB_COPY_FROM_PARENT,
-                      win, /* the window id */
-                      root, /* parent == root */
+                      win,                 /* the window id */
+                      root,                /* parent == root */
                       x, y, width, height, /* dimensions */
-                      0, /* border = 0, we draw our own */
+                      0,                   /* border = 0, we draw our own */
                       XCB_WINDOW_CLASS_INPUT_OUTPUT,
                       XCB_WINDOW_CLASS_COPY_FROM_PARENT, /* copy visual from parent */
                       mask,
@@ -238,10 +242,10 @@ static xcb_window_t open_input_window(xcb_connection_t *conn, Rect screen_rect,
 
 static void open_popups() {
     /* width and height of the popup window, so that the text fits in */
-    int crash_text_num = sizeof(crash_text) / sizeof(char*);
+    int crash_text_num = sizeof(crash_text) / sizeof(char *);
     int height = 13 + (crash_text_num * config.font.height);
 
-    int crash_text_length = sizeof(crash_text) / sizeof(char*);
+    int crash_text_length = sizeof(crash_text) / sizeof(char *);
     i3String **crash_text_i3strings = smalloc(sizeof(i3String *) * (crash_text_length + 1));
     /* Pre-compute i3Strings for our text */
     for (int i = 0; i < crash_text_length; ++i) {
@@ -300,7 +304,7 @@ void handle_signal(int sig, siginfo_t *info, void *data) {
         /* Strip off the highest bit (set if the event is generated) */
         int type = (event->response_type & 0x7F);
         if (type == XCB_KEY_PRESS) {
-            sig_handle_key_press(NULL, conn, (xcb_key_press_event_t*)event);
+            sig_handle_key_press(NULL, conn, (xcb_key_press_event_t *)event);
         }
         free(event);
     }
@@ -323,5 +327,5 @@ void setup_signal_handler(void) {
         sigaction(SIGABRT, &action, NULL) == -1 ||
         sigaction(SIGFPE, &action, NULL) == -1 ||
         sigaction(SIGSEGV, &action, NULL) == -1)
-        ELOG("Could not setup signal handler");
+        ELOG("Could not setup signal handler.\n");
 }