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authorRobin Barker <RMBarker@cpan.org>2008-02-27 19:19:54 +0000
committerRafael Garcia-Suarez <rgarciasuarez@gmail.com>2008-03-02 07:24:18 +0000
commit0544e6df68c5534300178fdd73628d687be1a6b2 (patch)
tree2ea7f62b7bfdd42e9073002710024ca1a9bf9270 /perl.c
parent2b021c53857fc8f84c88814fb57222878208d85f (diff)
downloadperl-0544e6df68c5534300178fdd73628d687be1a6b2.tar.gz
for -M:Foo, extended and revised
From: "Robin Barker" <Robin.Barker@npl.co.uk> Message-ID: <46A0F33545E63740BC7563DE59CA9C6D093A61@exchsvr2.npl.ad.local> p4raw-id: //depot/perl@33407
Diffstat (limited to 'perl.c')
-rw-r--r--perl.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/perl.c b/perl.c
index a7f6ab5416..1abb48dbcf 100644
--- a/perl.c
+++ b/perl.c
@@ -3025,6 +3025,7 @@ Perl_moreswitches(pTHX_ const char *s)
{
dVAR;
UV rschar;
+ const char option = *s; /* used to remember option in -m/-M code */
PERL_ARGS_ASSERT_MORESWITCHES;
@@ -3224,6 +3225,7 @@ Perl_moreswitches(pTHX_ const char *s)
const char *end;
SV *sv;
const char *use = "use ";
+ bool colon = FALSE;
/* -M-foo == 'no foo' */
/* Leading space on " no " is deliberate, to make both
possibilities the same length. */
@@ -3231,19 +3233,30 @@ Perl_moreswitches(pTHX_ const char *s)
sv = newSVpvn(use,4);
start = s;
/* We allow -M'Module qw(Foo Bar)' */
- while(isALNUM(*s) || *s==':') ++s;
+ while(isALNUM(*s) || *s==':') {
+ if( *s++ == ':' ) {
+ if( *s == ':' )
+ s++;
+ else
+ colon = TRUE;
+ }
+ }
+ if (s == start)
+ Perl_croak(aTHX_ "Module name required with -%c option",
+ option);
+ if (colon)
+ Perl_croak(aTHX_ "Invalid module name %.*s with -%c option: "
+ "contains single ':'",
+ s - start, start, option);
end = s + strlen(s);
if (*s != '=') {
sv_catpvn(sv, start, end - start);
- if (*(start-1) == 'm') {
+ if (option == 'm') {
if (*s != '\0')
Perl_croak(aTHX_ "Can't use '%c' after -mname", *s);
sv_catpvs( sv, " ()");
}
} else {
- if (s == start)
- Perl_croak(aTHX_ "Module name required with -%c option",
- s[-1]);
sv_catpvn(sv, start, s-start);
/* Use NUL as q''-delimiter. */
sv_catpvs(sv, " split(/,/,q\0");
@@ -3255,7 +3268,7 @@ Perl_moreswitches(pTHX_ const char *s)
Perl_av_create_and_push(aTHX_ &PL_preambleav, sv);
}
else
- Perl_croak(aTHX_ "Missing argument to -%c", *(s-1));
+ Perl_croak(aTHX_ "Missing argument to -%c", option);
return s;
case 'n':
PL_minus_n = TRUE;