[hackers] [ubase] If at least one entry fails, return EXIT_FAILURE in sysctl || sin

[git]

commit edc39cef27b442815f8541a7a3abc2a78b8f54ac
Author: sin <s...@2f30.org>
Date:   Thu Apr 17 17:05:14 2014 +0100

    If at least one entry fails, return EXIT_FAILURE in sysctl

diff --git a/sysctl.c b/sysctl.c
index 159180a..eb656c7 100644
--- a/sysctl.c
+++ b/sysctl.c
@@ -122,6 +122,7 @@ main(int argc, char *argv[])
        char *value;
        char *p;
        int i;
+       int r = EXIT_SUCCESS;
 
        argv0 = argv[0];
        argv++;
@@ -133,6 +134,7 @@ main(int argc, char *argv[])
        for (i = 0; i < argc; i++) {
                for (p = argv[i]; *p; p++) {
                        if (p[0] == '.' && p[1] == '.') {
+                               r = EXIT_FAILURE;
                                weprintf("malformed input: %s
", argv[i]);
                                break;
                        }
@@ -142,6 +144,7 @@ main(int argc, char *argv[])
                p = strchr(argv[i], '=');
                if (p) {
                        if (p[1] == '