From a98d134e89a42909721dcefd426118af38628048 Mon Sep 17 00:00:00 2001
From: EliteTK <tomasz.kramkowski@gmail.com>
Date: Thu, 24 Apr 2014 09:06:24 +0100
Subject: Latest random crap.

---
 xlibtest.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 xlibtest.c

(limited to 'xlibtest.c')

diff --git a/xlibtest.c b/xlibtest.c
new file mode 100644
index 0000000..670dcf6
--- /dev/null
+++ b/xlibtest.c
@@ -0,0 +1,59 @@
+/*
+ * Simple Xlib application drawing a box in a window.
+ * gcc input.c -o output -lX11
+ */
+
+#include <X11/Xlib.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(void)
+{
+    Display *display;
+    Window window;
+    XEvent event;
+    char *msg = "Hello, World!";
+    int s;
+
+    /* open connection with the server */
+    display = XOpenDisplay(NULL);
+    if (display == NULL)
+    {
+        fprintf(stderr, "Cannot open display\n");
+        exit(1);
+    }
+
+    s = DefaultScreen(display);
+
+    /* create window */
+    window = XCreateSimpleWindow(display, RootWindow(display, s), 10, 10, 200, 200, 1,
+            BlackPixel(display, s), WhitePixel(display, s));
+
+    /* select kind of events we are interested in */
+    XSelectInput(display, window, ExposureMask | KeyPressMask);
+
+    /* map (show) the window */
+    XMapWindow(display, window);
+
+    /* event loop */
+    for (;;)
+    {
+        XNextEvent(display, &event);
+
+        /* draw or redraw the window */
+        if (event.type == Expose)
+        {
+            XFillRectangle(display, window, DefaultGC(display, s), 20, 20, 10, 10);
+            XDrawString(display, window, DefaultGC(display, s), 50, 50, msg, strlen(msg));
+        }
+        /* exit on key press */
+        if (event.type == KeyPress)
+            break;
+    }
+
+    /* close connection to server */
+    XCloseDisplay(display);
+
+    return 0;
+}
-- 
cgit v1.2.3-54-g00ecf


From a530bad7a6ea2778129db0dc26c446d9f6df6ddd Mon Sep 17 00:00:00 2001
From: EliteTK <tomasz.kramkowski@gmail.com>
Date: Mon, 5 May 2014 14:26:29 +0100
Subject: More stuff.

---
 emevent.c    | 30 ++++++++++++++++++++++++++++++
 mevent.c     | 26 ++++++++++++++++++++++++++
 monty-hall.c | 34 ++++++++++++++++++++++++++++++++++
 sizes.c      |  2 +-
 xlibtest.c   |  2 +-
 5 files changed, 92 insertions(+), 2 deletions(-)
 create mode 100644 emevent.c
 create mode 100644 mevent.c
 create mode 100644 monty-hall.c

(limited to 'xlibtest.c')

diff --git a/emevent.c b/emevent.c
new file mode 100644
index 0000000..0c086b1
--- /dev/null
+++ b/emevent.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+#define EVLEN 24
+
+int main(int argc, char **argv)
+{
+    int i, c[24], last[8], diff;
+    while(1){
+        while(1){
+            for(i=0; i<EVLEN; i++)
+                c[i] = getchar();
+
+            putchar('\n');
+            for(i=0; i<8; i++)
+                if(c[8+i] != last[i]){
+                    diff = 1;
+                    last[i] = c[8+i];
+                }
+
+            if(diff){
+                printf("---- EVENT ----\n");
+                diff = 0;
+            }
+
+            for(i=0; i<EVLEN; i++)
+                printf("%2x", c[i]);
+        }
+    }
+    return 0;
+}
diff --git a/mevent.c b/mevent.c
new file mode 100644
index 0000000..4fd176a
--- /dev/null
+++ b/mevent.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#define B2BP "%d%d%d%d%d%d%d%d"
+#define B2B(byte)  \
+    (byte & 0x80 ? 1 : 0), \
+    (byte & 0x40 ? 1 : 0), \
+    (byte & 0x20 ? 1 : 0), \
+    (byte & 0x10 ? 1 : 0), \
+    (byte & 0x08 ? 1 : 0), \
+    (byte & 0x04 ? 1 : 0), \
+    (byte & 0x02 ? 1 : 0), \
+    (byte & 0x01 ? 1 : 0)
+
+int main(int argc, char **argv)
+{
+    signed char *c=malloc(3*sizeof(char)), i;
+    while(1){
+        for(i=0; i<3; i++)
+            c[i] = getchar();
+        printf("%2x %2x %2x ", (unsigned char)c[0], (unsigned char)c[1], (unsigned char)c[2]);
+        printf(": "B2BP B2BP B2BP" ", B2B(c[0]), B2B(c[1]), B2B(c[2]));
+        printf(": %d %d %d\n", (signed char)c[0], (signed char)c[1], (signed char)c[2]);
+    }
+    return 0;
+}
diff --git a/monty-hall.c b/monty-hall.c
new file mode 100644
index 0000000..7ab6a2c
--- /dev/null
+++ b/monty-hall.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#define ITERATIONS 1000
+
+int main(int argc, char **argv)
+{
+    srand(time(NULL));
+
+    int i, won = 0, lost = 0, opt, winopt, discard;
+    for(i = 0; i<ITERATIONS; i++){
+        opt = (float)rand() / (float)RAND_MAX * 3.0;
+        winopt = (float)rand() / (float)RAND_MAX * 3.0;
+        if(opt == winopt){
+            discard = (float)rand() / (float)RAND_MAX * 2.0;
+            if(!opt)
+                discard +=1;
+            else if(opt == 1 && discard)
+                discard = 2;
+        }else{
+            discard = 3 - opt - winopt;
+        }
+        opt = 3 - opt - discard;
+
+        if(opt == winopt)
+            won++;
+        else
+            lost++;
+    }
+
+    printf("Won: %d, Lost: %d.\n", won, lost);
+    return 0;
+}
diff --git a/sizes.c b/sizes.c
index 19759f7..4393392 100644
--- a/sizes.c
+++ b/sizes.c
@@ -1,5 +1,5 @@
 #include<stdio.h>
 
 int main( int argc, char *argv[] ) {
-    printf("%d\n", sizeof(long));
+    printf("%d\n", sizeof(long *));
 }
diff --git a/xlibtest.c b/xlibtest.c
index 670dcf6..adcbd26 100644
--- a/xlibtest.c
+++ b/xlibtest.c
@@ -8,7 +8,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-int main(void)
+int main(int argc, char **argv)
 {
     Display *display;
     Window window;
-- 
cgit v1.2.3-54-g00ecf