adjusting syscalls

1 files changed, 17 insertions, 9 deletions

diff --git a/userspace/sys/sys.c b/userspace/sys/sys.c
index ecdf556..ef0d1df 100644
--- a/userspace/sys/sys.c
+++ b/userspace/sys/sys.c
@@ -3,53 +3,61 @@
 #include <sys/stat.h>
 
 
-// building binutils required this stubs!
+// required by binutils!
 
 long sysconf(int name)
 {
+    printf("SYSCONF CALLED WITH : %s",name);
     return 0;
 }
 
+// set file mode creation mask
 mode_t umask(mode_t mask)
 {
     return mask;
 }
 
+// chmod
 int chmod(const char * path, mode_t mode)
 {
-    return 0;
-}
-
-int fcntl(int fd, int cmd, ...)
-{
     return -1;
 }
 
-int lstat(const char *path, struct stat *buf)
+// manipulating file descriptor
+int fcntl(int fd, int cmd, ...)
 {
     return -1;
 }
 
+// working directory
 char *getwd(char *buf)
 {
+    static char wd[]="/";
+    buf=wd;
     return buf;
 }
+
+// check if access allowed
 int access(const char *pathname, int mode)
 {
+    //TODO: at leas check if this file exists!
     return 0;
 }
 
+// update time
 int utime(const char *filename, const int *x)
 {
-    return 0;
+    return -1;
 }
 
+// rmdir
 int rmdir (const  char *pathname)
 {
     return -1;
 }
 
+// chonw
 int chown(const char *path, uid_t owner, gid_t group)
 {
-    return 0;
+    return -1;
 }