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Make GNU-compatible following case:

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single '-' in command line and '-' (non-first) in options
This commit is contained in:
Andrey A. Chernov 2004-03-06 14:24:10 +00:00
parent 761981e0e8
commit 3700175bf1
2 changed files with 27 additions and 23 deletions
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46
lib/libc/stdlib/getopt_long.3
View file

@ -271,29 +271,29 @@ found in glibc-2.1.3:
.\" .Ev POSIXLY_CORRECT
.\" and stops at the first non-option.
.\" .El
.It
Handling of
.Ql -
within the option string (not the first character):
.Bl -tag -width ".Bx"
.It Tn GNU
treats a
.Ql -
on the command line as a non-argument.
.It Bx
a
.Ql -
within the option string matches a
.Ql -
(single dash) on the command line.
This functionality is provided for backward compatibility with
programs, such as
.Xr su 1 ,
that use
.Ql -
as an option flag.
This practice is wrong, and should not be used in any current development.
.El
.\" .It
.\" Handling of
.\" .Ql -
.\" within the option string (not the first character):
.\" .Bl -tag -width ".Bx"
.\" .It Tn GNU
.\" treats a
.\" .Ql -
.\" on the command line as a non-argument.
.\" .It Bx
.\" a
.\" .Ql -
.\" within the option string matches a
.\" .Ql -
.\" (single dash) on the command line.
.\" This functionality is provided for backward compatibility with
.\" programs, such as
.\" .Xr su 1 ,
.\" that use
.\" .Ql -
.\" as an option flag.
.\" This practice is wrong, and should not be used in any current development.
.\" .El
.\" .It
.\" Handling of
.\" .Ql ::

4
lib/libc/stdlib/getopt_long.c
View file

@ -413,7 +413,11 @@ start:
return (-1);
}
if (*(place = nargv[optind]) != '-' ||
#ifdef GNU_COMPATIBLE
place[1] == '\0') {
#else
(place[1] == '\0' && strchr(options, '-') == NULL)) {
#endif
place = EMSG; /* found non-option */
if (flags & FLAG_ALLARGS) {
/*