add test for read

2 files changed, 22 insertions, 1 deletions

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;
+}