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From: "Vladimir B. Grebenschikov" <vova@fbsd.ru>
To: Dag-Erling =?ISO-8859-1?Q?Sm=F8rgrav?= <des@des.no>
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Organization: SWsoft Inc.
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Date: Wed, 17 Dec 2003 11:20:40 +0300
Sender: Vladimir Grebenschikov <vova@vbook.fbsd.ru>
cc: "current@freebsd.org" <current@freebsd.org>
Subject: Re: [Fwd: bogus plist in docbook-xsl]
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=D0=92 =D1=81=D1=80, 17.12.2003, =D0=B2 00:25, Dag-Erling Sm=C3=B8rgrav =D0=
=BF=D0=B8=D1=88=D0=B5=D1=82:
> "Vladimir B. Grebenschikov" <vova@fbsd.ru> writes:
> > Do you know why pkg_add threat character \' as invalid ?
>=20
> No idea.  I suggest you RTFS.

Looking source shows that pkg_add construct one striing for system(3)
and populate this string with filenames in '

		    add_count =3D snprintf(&perm_args[perm_count], maxargs - perm_count,
"'%s' ", p->name);
		    if (add_count < 0 || add_count > maxargs - perm_count) {
			cleanup(0);
			errx(2, "%s: oops, miscounted strings!", __func__);
		    }

...

#define PUSHOUT(todir) /* push out string */ \
        if (where_count > (int)sizeof(STARTSTRING)-1) { \
		    strcat(where_args, "|tar --unlink -xpf - -C "); \
		    strcat(where_args, todir); \
		    if (system(where_args)) { \
	                cleanup(0); \
		        errx(2, \
			    "%s: can not invoke %ld byte tar pipeline: %s", \
			     __func__, \
			     (long)strlen(where_args), where_args); \
		    } \
		    strcpy(where_args, STARTSTRING); \
		    where_count =3D sizeof(STARTSTRING)-1; \
	} \


> DES
--=20
Vladimir B. Grebenschikov <vova@fbsd.ru>
SWsoft Inc.