chgrp: remove stdio

diff --git a/Applications/util/chgrp.c b/Applications/util/chgrp.c
index fd54d0d..4051dbd 100644 (file)
--- a/Applications/util/chgrp.c
+++ b/Applications/util/chgrp.c
@@ -2,14 +2,21 @@
  * Copyright (c) 1993 by David I. Bell
  * Permission is granted to use, distribute, or modify this source,
  * provided that this copyright notice remains intact.
+ *
+ * stdio use removed, Alan Cox 2015
  */
 
 #include <pwd.h>
 #include <grp.h>
 #include <stdlib.h>
-#include <stdio.h>
+#include <string.h>
 #include <ctype.h>
 
+int writes(const char *p)
+{
+    write(2, p, strlen(p));
+}
+
 int main(int argc, char *argv[])
 {
     char *cp;
@@ -19,7 +26,7 @@ int main(int argc, char *argv[])
 
     cp = argv[1];
     if (!cp) {
-       fprintf(stderr, "chgrp: too few arguments\n");
+       writes("chgrp: too few arguments\n");
        return 1;
     }
     if (isdigit(*cp)) {
@@ -28,13 +35,13 @@ int main(int argc, char *argv[])
            gid = gid * 10 + (*cp++ - '0');
 
        if (*cp) {
-           fprintf(stderr, "chgrp: bad gid value\n");
+           writes("chgrp: bad gid value\n");
            return 1;
        }
     } else {
        grp = getgrnam(cp);
        if (grp == NULL) {
-           fprintf(stderr, "chgrp: unknown group name\n");
+           writes("chgrp: unknown group name\n");
            return 1;
        }
        gid = grp->gr_gid;