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[Guile-commits] 01/01: SRFI-37: Account for zero-length arguments.
From: |
Andy Wingo |
Subject: |
[Guile-commits] 01/01: SRFI-37: Account for zero-length arguments. |
Date: |
Thu, 20 Apr 2017 07:33:23 -0400 (EDT) |
wingo pushed a commit to branch master
in repository guile.
commit 02cf38514d85182ee5b1f89968d5052b1e3b40ca
Author: Thomas Danckaert <address@hidden>
Date: Wed Apr 19 18:14:38 2017 +0200
SRFI-37: Account for zero-length arguments.
* module/srfi/srfi-37.scm (args-fold): When checking if an argument is
an option (starts with #\-), first check if the length is non-zero.
---
module/srfi/srfi-37.scm | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/module/srfi/srfi-37.scm b/module/srfi/srfi-37.scm
index 3f654af..c34b0d0 100644
--- a/module/srfi/srfi-37.scm
+++ b/module/srfi/srfi-37.scm
@@ -217,7 +217,8 @@ program-arguments in ARGS, as decided by the OPTIONS'
(if (null? args)
(apply values seeds)
(let ((arg (car args)))
- (cond ((or (not (char=? #\- (string-ref arg 0)))
+ (cond ((or (string-null? arg)
+ (not (char=? #\- (string-ref arg 0)))
(= 1 (string-length arg))) ;"-"
(mutate-seeds! operand-proc arg)
(set! args (cdr args)))