Test return values of _all_ *printf() calls.

[plomrogue] / src / client / keybindings.c

diff --git a/src/client/keybindings.c b/src/client/keybindings.c
index 4231da492531cf8a832f5e5bc817a8427e724682..b0b7c7a06fc496ee5cb9baa5cd5af8c70632d14a 100644 (file)
--- a/src/client/keybindings.c
+++ b/src/client/keybindings.c
@@ -5,6 +5,7 @@
 #include <stddef.h> /* NULL */
 #include <stdint.h> /* uint8_t, uint16_t, uint32_t */
 #include <stdio.h> /* FILE, sprintf() */
+#include "../common/rexit.h" /* exit_trouble() */
 #include "../common/try_malloc.h" /* try_malloc() */
 #include "windows.h" /* draw_all_wins() */
 #include "world.h" /* global world */
@@ -49,9 +50,11 @@ static struct KeyBindingDB * char_selected_kb_db(char c)
 static uint8_t try_keycode(uint16_t keycode_given, char * keyname,
                            uint16_t keycode_match, char * keyname_match)
 {
+    char * f_name = "try_keycode()";
     if (keycode_given == keycode_match)
     {
-        sprintf(keyname, "%s", keyname_match);
+        int test = sprintf(keyname, "%s", keyname_match);
+        exit_trouble(test < 0, f_name, "sprintf()");
         return 1;
     }
     return 0;
@@ -81,12 +84,12 @@ extern char * get_keyname_to_keycode(uint16_t keycode)
     char * keyname = try_malloc(10, f_name);        /* max keyname length + 1 */
     if (32 < keycode && keycode < 127)
     {
-        sprintf(keyname, "%c", keycode);
+        exit_trouble(sprintf(keyname, "%c", keycode) < 0, f_name, "sprintf()");
     }
     else if (keycode >= KEY_F0 && keycode <= KEY_F(63))
     {
         uint16_t f = keycode - KEY_F0;
-        sprintf(keyname, "F%d", f);
+        exit_trouble(sprintf(keyname, "F%d", f) < 0, f_name, "sprintf()");;
     }
     else if (   try_keycode(keycode, keyname, 9, "TAB")
              || try_keycode(keycode, keyname, 10, "RETURN")
@@ -108,7 +111,7 @@ extern char * get_keyname_to_keycode(uint16_t keycode)
     }
     else
     {
-        sprintf(keyname, "(unknown)");
+        exit_trouble(sprintf(keyname, "(unknown)") < 0, f_name, "sprintf()");
     }
     return keyname;
 }