printenv: remove stdio

diff --git a/Applications/util/printenv.c b/Applications/util/printenv.c
index ee6e805..fe54c89 100644 (file)
--- a/Applications/util/printenv.c
+++ b/Applications/util/printenv.c
@@ -2,12 +2,19 @@
  * 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 usage removed Alan Cox 2015
  */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
+void writesnl(const char *p)
+{
+    write(1, p, strlen(p));
+    write(1, "\n", 1);
+}
 
 int main(int argc, char *argv[])
 {
@@ -19,7 +26,7 @@ int main(int argc, char *argv[])
 
     if (argc == 1) {
        while (*env)
-           printf("%s\n", *env++);
+           writesnl(*env++);
        return 0;
     }
 
@@ -27,7 +34,7 @@ int main(int argc, char *argv[])
     while (*env) {
        if ((strlen(*env) > len) && (env[0][len] == '=') &&
            (memcmp(argv[1], *env, len) == 0)) {
-           printf("%s\n", &env[0][len + 1]);
+           writesnl(&env[0][len + 1]);
            return 0;
        }
        env++;