From 992acf47608957bc60b2967c7a754a5a6ec4f486 Mon Sep 17 00:00:00 2001
From: h2-addad <hamza2.addad@live.uwe.ac.uk>
Date: Sun, 16 Jul 2023 01:01:08 +0000
Subject: [PATCH] Update
---
src/examples/mcat.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 src/examples/mcat.c
diff --git a/src/examples/mcat.c b/src/examples/mcat.c
new file mode 100644
index 0000000..4c3e200
--- /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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