Use 0xcc (not 0xcd) for clearing malloc() blocks too.

[pintos-anon] / src / lib / user / syscall.c

diff --git a/src/lib/user/syscall.c b/src/lib/user/syscall.c
index 7395a3ba197ab469b14a877b31596780143cde75..89e0185f901700cceab59d7709d0f0b389be98d8 100644 (file)
--- a/src/lib/user/syscall.c
+++ b/src/lib/user/syscall.c
@@ -29,9 +29,9 @@ join (pid_t pid)
 }
 
 bool
-create (const char *file)
+create (const char *file, unsigned initial_size)
 {
-  return syscall (SYS_create, file);
+  return syscall (SYS_create, file, initial_size);
 }
 
 bool
@@ -46,6 +46,12 @@ open (const char *file)
   return syscall (SYS_open, file);
 }
 
+int
+filesize (int fd) 
+{
+  return syscall (SYS_filesize, fd);
+}
+
 int
 read (int fd, void *buffer, unsigned size)
 {
@@ -58,8 +64,51 @@ write (int fd, const void *buffer, unsigned size)
   return syscall (SYS_write, fd, buffer, size);
 }
 
+void
+seek (int fd, unsigned position) 
+{
+  syscall (SYS_seek, fd, position);
+}
+
+unsigned
+tell (int fd) 
+{
+  return syscall (SYS_tell, fd);
+}
+
 void
 close (int fd)
 {
   syscall (SYS_close, fd);
 }
+
+bool
+mmap (int fd, void *addr, unsigned length)
+{
+  return syscall (SYS_mmap, fd, addr, length);
+}
+
+bool
+munmap (void *addr, unsigned length)
+{
+  return syscall (SYS_munmap, addr, length);
+}
+
+bool
+chdir (const char *dir)
+{
+  return syscall (SYS_chdir, dir);
+}
+
+bool
+mkdir (const char *dir)
+{
+  return syscall (SYS_mkdir, dir);
+}
+
+void
+lsdir (void)
+{
+  syscall (SYS_lsdir);
+}
+