[hackers] [sbase] expr: Don't interpret any arguments || sin

From: <git_AT_suckless.org>
Date: Tue, 21 Apr 2015 18:09:26 +0200 (CEST)

commit 504855ff96389b02fd92197792a7b26069cde593
Author: sin <sin_AT_2f30.org>
Date: Tue Apr 21 17:08:14 2015 +0100

    expr: Don't interpret any arguments
    
    expr -1 '<' 1 failed previously.
    
    There is no need to have usage at all, any errors will be flagged
    up as necessary further down.

diff --git a/expr.c b/expr.c
index 5e4f19d..608d9a8 100644
--- a/expr.c
+++ b/expr.c
_AT_@ -252,22 +252,12 @@ parse(char *expr[], int numexpr)
         return (valp->str && *valp->str) || valp->num;
 }
 
-static void
-usage(void)
-{
- enprintf(3, "usage: %s expression\n", argv0);
-}
-
 int
 main(int argc, char *argv[])
 {
         int ret;
 
- ARGBEGIN {
- default:
- usage();
- } ARGEND;
-
+ argv0 = argv[0], argc--, argv++;
         ret = !parse(argv, argc);
         enfshut(3, stdout, "<stdout>");
 
Received on Tue Apr 21 2015 - 18:09:26 CEST