[hackers] [sbase] Audit sleep(1) || FRIGN

[git]

commit 7acfd9a4781e73d96c0464aed78f63b3755a683c
Author: FRIGN <d...@frign.de>
Date:   Sat Feb 28 20:10:25 2015 +0100

    Audit sleep(1)
    
    1) Be strict about argc
    2) Use "unsigned" instead of "unsigned int"

diff --git a/README b/README
index ffcc382..7817c39 100644
--- a/README
+++ b/README
@@ -64,7 +64,7 @@ The following tools are implemented ('*' == finished, '#' == 
UTF-8 support,
 =   sha1sum         non-posix                    none
 =   sha256sum       non-posix                    none
 =   sha512sum       non-posix                    none
-=*  sleep           yes                          none
+=*| sleep           yes                          none
     sort            no                           -m, -o, -d, -f, -i
 =*  split           yes                          none
 =*  sponge          non-posix                    none
diff --git a/sleep.c b/sleep.c
index 7148718..ce20858 100644
--- a/sleep.c
+++ b/sleep.c
@@ -12,18 +12,19 @@ usage(void)
 int
 main(int argc, char *argv[])
 {
-       unsigned int seconds;
+       unsigned seconds;
 
        ARGBEGIN {
        default:
                usage();
        } ARGEND;
 
-       if (argc < 1)
+       if (argc != 1)
                usage();
 
        seconds = estrtonum(argv[0], 0, UINT_MAX);
        while ((seconds = sleep(seconds)) > 0)
                ;
+
        return 0;
 }