From 4423b73d2b76c169e3af9770e0b4ebde91168a8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gustav@sornas.net>
Date: Fri, 5 Feb 2021 17:39:42 +0100
Subject: add test for read

---
 src/examples/Makefile |  3 ++-
 src/examples/read.c   | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 src/examples/read.c

(limited to 'src/examples')

diff --git a/src/examples/Makefile b/src/examples/Makefile
index a89a3e3..bcfab6b 100644
--- a/src/examples/Makefile
+++ b/src/examples/Makefile
@@ -8,9 +8,10 @@ PROGS = cat cmp cp echo halt hex-dump ls mcat mcp mkdir pwd rm shell \
 	sumargv lab2test lab1test lab1test2 pfs pfs_reader pfs_writer dummy longrun \
 	child parent create-bad printf
 
-PROGS += create
+PROGS += create read
 
 create_SRC = create.c
+read_SRC = read.c
 
 # Added test programs
 printf_SRC = printf.c
diff --git a/src/examples/read.c b/src/examples/read.c
new file mode 100644
index 0000000..4b6e20b
--- /dev/null
+++ b/src/examples/read.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+#include <syscall.h>
+
+int
+main (int argc, char *argv[])
+{
+  char read_buf[16] = {};
+
+  int fd = open ("readme");
+  if (fd == -1) {
+    halt ();
+  }
+  printf("opened file with fd %d\n", fd);
+
+  int n = read (fd, read_buf, 16);
+  printf("read %d bytes:\n", n);
+
+  halt();
+  return 0;
+}
-- 
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