On Tue, Nov 21, 2017 at 12:25:38AM -0700, Anthony J. Bentley wrote: > Theo Buehler writes: > > $ unset DISPLAY; xclip > > Error: Can't open display: (null) > > $ tail -1 /var/log/messages > > Nov 18 11:53:55 mimine xclip: vfprintf %s NULL in "Error: Can't open > > display: > > %s " > > > > ok? > > > > Index: Makefile > > =================================================================== > > RCS file: /var/cvs/ports/x11/xclip/Makefile,v > > retrieving revision 1.15 > > diff -u -p -r1.15 Makefile > > --- Makefile 13 Sep 2016 20:13:38 -0000 1.15 > > +++ Makefile 18 Nov 2017 10:56:55 -0000 > > @@ -4,6 +4,7 @@ COMMENT= command line interface to X se > > GH_ACCOUNT= astrand > > GH_PROJECT= xclip > > GH_TAGNAME= 0.13 > > +REVISION= 0 > > CATEGORIES= x11 > > > > MAINTAINER= Dmitrij D. Czarkoff <czark...@openbsd.org> > > Index: patches/patch-xcprint_c > > =================================================================== > > RCS file: patches/patch-xcprint_c > > diff -N patches/patch-xcprint_c > > --- /dev/null 1 Jan 1970 00:00:00 -0000 > > +++ patches/patch-xcprint_c 18 Nov 2017 10:55:49 -0000 > > @@ -0,0 +1,19 @@ > > +$OpenBSD$ > > + > > +Avoid printf "%s" NULL > > + > > +Index: xcprint.c > > +--- xcprint.c.orig > > ++++ xcprint.c > > +@@ -86,7 +86,10 @@ errxdisplay(char *display) > > + if (display == NULL) > > + display = getenv("DISPLAY"); > > + > > +- fprintf(stderr, "Error: Can't open display: %s\n", display); > > ++ if (display == NULL || *display == '\0') > > ++ fprintf(stderr, "Error: Can't open display\n"); > > ++ else > > ++ fprintf(stderr, "Error: Can't open display: %s\n", display); > > + exit(EXIT_FAILURE); > > + } > > + > > This makes the error vague when you actually have DISPLAY unset, e.g., > ssh'd into the wrong machine... I would prefer to keep the same output > in the null case.
Alright, let's do the usual thing, then. I didn't wrap the line because there are longer lines already. Index: Makefile =================================================================== RCS file: /var/cvs/ports/x11/xclip/Makefile,v retrieving revision 1.15 diff -u -p -r1.15 Makefile --- Makefile 13 Sep 2016 20:13:38 -0000 1.15 +++ Makefile 18 Nov 2017 10:56:55 -0000 @@ -4,6 +4,7 @@ COMMENT= command line interface to X se GH_ACCOUNT= astrand GH_PROJECT= xclip GH_TAGNAME= 0.13 +REVISION= 0 CATEGORIES= x11 MAINTAINER= Dmitrij D. Czarkoff <czark...@openbsd.org> Index: patches/patch-xcprint_c =================================================================== RCS file: patches/patch-xcprint_c diff -N patches/patch-xcprint_c --- /dev/null 1 Jan 1970 00:00:00 -0000 +++ patches/patch-xcprint_c 21 Nov 2017 08:35:08 -0000 @@ -0,0 +1,16 @@ +$OpenBSD$ + +Avoid printf "%s" NULL + +Index: xcprint.c +--- xcprint.c.orig ++++ xcprint.c +@@ -86,7 +86,7 @@ errxdisplay(char *display) + if (display == NULL) + display = getenv("DISPLAY"); + +- fprintf(stderr, "Error: Can't open display: %s\n", display); ++ fprintf(stderr, "Error: Can't open display: %s\n", display ? display : "(null)"); + exit(EXIT_FAILURE); + } +