[hackers] [sbase] cksum: Report exit status properly || sin

[git]

commit 0ce8afa329b2c1c0f63cfad67a936d0956f8b515
Author: sin <s...@2f30.org>
Date:   Wed Mar 11 12:32:44 2015 +0000

    cksum: Report exit status properly

diff --git a/cksum.c b/cksum.c
index 59a4f88..e931c6e 100644
--- a/cksum.c
+++ b/cksum.c
@@ -94,6 +94,7 @@ int
 main(int argc, char *argv[])
 {
        FILE *fp;
+       int ret = 0;
 
        ARGBEGIN {
        default:
@@ -106,6 +107,7 @@ main(int argc, char *argv[])
                for (; *argv; argc--, argv++) {
                        if (!(fp = fopen(*argv, "r"))) {
                                weprintf("fopen %s:", *argv);
+                               ret = 1;
                                continue;
                        }
                        cksum(fp, *argv);
@@ -113,5 +115,5 @@ main(int argc, char *argv[])
                }
        }
 
-       return 0;
+       return ret;
 }