[hackers] [sbase] renice(1) rework || sin

[git]

commit ee1e90ebdcc2cbe29d91c5317d19b89b6b56e5e2
Author: sin <s...@2f30.org>
Date:   Mon Nov 17 16:32:30 2014 +0000

    renice(1) rework

diff --git a/renice.c b/renice.c
index 06cbc46..5d7e10e 100644
--- a/renice.c
+++ b/renice.c
@@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include <errno.h>
 #include <limits.h>
 #include <pwd.h>
 #include <stdio.h>
@@ -23,6 +24,8 @@ main(int argc, char *argv[])
        const char *adj = NULL;
        long val;
        int i, which = PRIO_PROCESS, status = 0;
+       struct passwd *pw;
+       int who;
 
        ARGBEGIN {
        case 'n':
@@ -47,20 +50,19 @@ main(int argc, char *argv[])
 
        val = estrtol(adj, 10);
        for (i = 0; i < argc; i++) {
-               int who = -1;
-
+               who = -1;
                if (which == PRIO_USER) {
-                       const struct passwd *pwd;
-
                        errno = 0;
-                       do pwd = getpwnam(argv[i]); while (errno == EINTR);
-                       if (pwd)
-                               who = pwd->pw_uid;
-                       else if (errno != 0) {
-                               perror("can't read passwd");
+                       pw = getpwnam(argv[i]);
+                       if (!pw) {
+                               if (errno != 0)
+                                       weprintf("getpwnam %s:", argv[i]);
+                               else
+                                       weprintf("getpwnam %s: no user 
found\n", argv[i]);
                                status = 1;
                                continue;
                        }
+                       who = pw->pw_uid;
                }
                if (who < 0)
                        who = strtop(argv[i]);