[hackers] [sbase] Add support for -k (checking sticky bit) to test(1) || sin

[git]

commit c23616555bf2830d478508f14a8d6f2504cda835
Author: sin <s...@2f30.org>
Date:   Mon Nov 11 11:37:07 2013 +0000

    Add support for -k (checking sticky bit) to test(1)

diff --git a/test.1 b/test.1
index e7de2e0..08bac1d 100644
--- a/test.1
+++ b/test.1
@@ -29,6 +29,9 @@ ILE exists and is a regular file
 .B \-g FILE
 FILE exists and is set-group-ID
 .TP
+.B \-k FILE
+FILE exists and its sticky bit is set
+.TP
 .B \-h FILE
 FILE exists and is a symbolic link (same as -L)
 .TP
diff --git a/test.c b/test.c
index 495ecb2..3c97eb4 100644
--- a/test.c
+++ b/test.c
@@ -57,7 +57,7 @@ unary(const char *op, const char *arg)
                usage();
        switch(op[1]) {
        case 'b': case 'c': case 'd': case 'f': case 'g':
-       case 'p': case 'S': case 's': case 'u':
+       case 'k': case 'p': case 'S': case 's': case 'u':
                if((r = stat(arg, &st)) == -1)
                        return false; /* -e */
                switch(op[1]) {
@@ -71,6 +71,8 @@ unary(const char *op, const char *arg)
                        return S_ISREG(st.st_mode);
                case 'g':
                        return st.st_mode & S_ISGID;
+               case 'k':
+                       return st.st_mode & S_ISVTX;
                case 'p':
                        return S_ISFIFO(st.st_mode);
                case 'S':
@@ -153,5 +155,5 @@ usage(void)
        const char *ket = (*argv0 == '[') ? " ]" : "";
 
        eprintf("usage: %s string%s
"
-               "       %s [!] [-bcdefghLnprSstuwxz] string%s
", argv0, ket, argv0, ket);
+               "       %s [!] [-bcdefgkhLnprSstuwxz] string%s
", argv0, ket, argv0, ket);
 }