Consistency: Make default display a const char *

Yep, `hostname` is a `const char *` too, even though it's potentially
being assigned to. This is
[unintuitive](http://stackoverflow.com/a/9834194/777586), but
intentional.

2 files changed, 7 insertions, 7 deletions

diff --git a/compile b/compile
index 4b8f85e..41d4254 100755
--- a/compile
+++ b/compile
@@ -1 +1 @@
-clang --std=gnu11 -Wall -o xkbcat -lX11 xkbcat.c
+clang --std=gnu11 -pedantic -Wall -o xkbcat -lX11 xkbcat.c
diff --git a/xkbcat.c b/xkbcat.c
index 7cdb800..1fc3ff3 100644
--- a/xkbcat.c
+++ b/xkbcat.c
@@ -8,9 +8,9 @@
 #include <stdbool.h>
 #include <time.h>
 
-char *     DEFAULT_DISPLAY  = ":0";
-const int  DEFAULT_DELAY    = 10000000;
-const bool DEFAULT_PRINT_UP = false;
+const char * DEFAULT_DISPLAY  = ":0";
+const int    DEFAULT_DELAY    = 10000000;
+const bool   DEFAULT_PRINT_UP = false;
 
 typedef char KbBuffer[32];
 static inline bool keyState(KbBuffer b, int key) {
@@ -31,9 +31,9 @@ USAGE: xkbcat [-display <display>] [-delay <nanosec>] [-up]\n\
 
 int main(int argc, char * argv[]) {
 
-    char *  hostname    = DEFAULT_DISPLAY;
-    int     delay       = DEFAULT_DELAY;
-    bool    printKeyUps = DEFAULT_PRINT_UP;
+    const char * hostname    = DEFAULT_DISPLAY;
+    int          delay       = DEFAULT_DELAY;
+    bool         printKeyUps = DEFAULT_PRINT_UP;
 
     // Get args
     for (int i = 1; i < argc; i++) {