kill: remove stdio

diff --git a/Applications/util/kill.c b/Applications/util/kill.c
index 87e1db8..f3cf9df 100644 (file)
--- a/Applications/util/kill.c
+++ b/Applications/util/kill.c
@@ -2,7 +2,7 @@
  * Permission is granted to use, distribute, or modify this source,
  * provided that this copyright notice remains intact.
  *
- * Most simple built-in commands are here.
+ * Stripped of stdio usage Alan Cox, 2015
  */
 
 #include <stdio.h>
@@ -16,7 +16,7 @@ int main(int argc, char *argv[])
     int pid, sig = SIGTERM;
 
     if (argc < 2) {
-       fprintf(stderr, "usage: kill [-sig] pid ...\n");
+       write(2, "usage: kill [-sig] pid ...\n", 27);
        return 0;
     }
     if (argv[1][0] == '-') {
@@ -38,7 +38,7 @@ int main(int argc, char *argv[])
            while (isdigit(*cp))
                sig = sig * 10 + *cp++ - '0';
            if (*cp) {
-               fprintf(stderr, "kill: unknown signal\n");
+               write(2, "kill: unknown signal\n", 21);
                return 1;
            }
        }
@@ -51,7 +51,7 @@ int main(int argc, char *argv[])
        while (isdigit(*cp))
            pid = pid * 10 + *cp++ - '0';
        if (*cp) {
-           fprintf(stderr, "kill: non-numeric pid\n");
+           write(1, "kill: non-numeric pid\n", 22);
            continue;
        }
        if (kill(pid, sig) < 0) {