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commit f3b4beb18f256e733a4c699e96118d47a2191b74
Author: Shiro Kawai <shiro@acm.org>
Date: Wed Dec 23 16:22:10 2020 -1000
Fix sys-ctermid out-of-extent memory access bug
https://github.com/shirok/Gauche/issues/740
diff --git a/src/libsys.scm b/src/libsys.scm
index f253c08a4..7f433c184 100644
--- a/src/libsys.scm
+++ b/src/libsys.scm
@@ -460,11 +460,11 @@
(define-cproc sys-mkdtemp (template::<string>) Scm_SysMkdtemp)
;; ctermid
-(define-cproc sys-ctermid () ::<const-cstring>
+(define-cproc sys-ctermid ()
(.if "defined(GAUCHE_WINDOWS)"
- (return "CON")
+ (return '"CON")
(let* ([buf::(.array char [(+ L_ctermid 1)])])
- (return (ctermid buf)))))
+ (return (SCM_MAKE_STR_COPYING (ctermid buf))))))
;;---------------------------------------------------------------------
;; stdlib.h
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