From e7bc50ca8ffcaa6ed68ebd2315f78b0f5a7d10ad Mon Sep 17 00:00:00 2001
From: klaar36 <klas.arvidsson@liu.se>
Date: Fri, 20 Mar 2015 17:30:24 +0100
Subject: Initial Pintos

---
 src/examples/mcat.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 src/examples/mcat.c

(limited to 'src/examples/mcat.c')

diff --git a/src/examples/mcat.c b/src/examples/mcat.c
new file mode 100644
index 0000000..7b39760
--- /dev/null
+++ b/src/examples/mcat.c
@@ -0,0 +1,45 @@
+/* mcat.c
+
+   Prints files specified on command line to the console, using
+   mmap. */
+
+#include <stdio.h>
+#include <syscall.h>
+
+int
+main (int argc, char *argv[]) 
+{
+  int i;
+  
+  for (i = 1; i < argc; i++) 
+    {
+      int fd;
+      mapid_t map;
+      void *data = (void *) 0x10000000;
+      int size;
+
+      /* Open input file. */
+      fd = open (argv[i]);
+      if (fd < 0) 
+        {
+          printf ("%s: open failed\n", argv[i]);
+          return EXIT_FAILURE;
+        }
+      size = filesize (fd);
+
+      /* Map files. */
+      map = mmap (fd, data);
+      if (map == MAP_FAILED) 
+        {
+          printf ("%s: mmap failed\n", argv[i]);
+          return EXIT_FAILURE;
+        }
+
+      /* Write file to console. */
+      write (STDOUT_FILENO, data, size);
+
+      /* Unmap files (optional). */
+      munmap (map);
+    }
+  return EXIT_SUCCESS;
+}
-- 
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