Cleaning up some warnings generated by "gcc -W"

p4raw-id: //depot/perl@26175

diff --git a/deb.c b/deb.c
index a3b67b4..23c16dc 100644 (file)
--- a/deb.c
+++ b/deb.c
@@ -44,6 +44,8 @@ Perl_deb(pTHX_ const char *pat, ...)
     va_start(args, pat);
     vdeb(pat, &args);
     va_end(args);
+#else
+    PERL_UNUSED_ARG(pat);
 #endif /* DEBUGGING */
 }
 
@@ -56,6 +58,9 @@ Perl_vdeb(pTHX_ const char *pat, va_list *args)
     PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", (file ? file : "<free>"),
                  (long)CopLINE(PL_curcop));
     (void) PerlIO_vprintf(Perl_debug_log, pat, *args);
+#else
+    PERL_UNUSED_ARG(pat);
+    PERL_UNUSED_ARG(args);
 #endif /* DEBUGGING */
 }
 
@@ -122,6 +127,12 @@ S_deb_stack_n(pTHX_ SV** stack_base, I32 stack_min, I32 stack_max,
     }
     while (1);
     PerlIO_printf(Perl_debug_log, "\n");
+#else
+    PERL_UNUSED_ARG(stack_base);
+    PERL_UNUSED_ARG(stack_min);
+    PERL_UNUSED_ARG(stack_max);
+    PERL_UNUSED_ARG(mark_min);
+    PERL_UNUSED_ARG(mark_max);
 #endif /* DEBUGGING */
 }
 

diff --git a/ext/B/B.xs b/ext/B/B.xs
index 953f6be..6b3d64c 100644 (file)
--- a/ext/B/B.xs
+++ b/ext/B/B.xs
@@ -1322,6 +1322,7 @@ precomp(mg)
         B::MAGIC        mg
     CODE:
         if (mg->mg_type == 'r') {
+            RETVAL = Nullsv;
             REGEXP* rx = (REGEXP*)mg->mg_obj;
             if( rx )
                 RETVAL = newSVpvn( rx->precomp, rx->prelen );

diff --git a/ext/Data/Dumper/Dumper.xs b/ext/Data/Dumper/Dumper.xs
index 2552391..e6940a3 100644 (file)
--- a/ext/Data/Dumper/Dumper.xs
+++ b/ext/Data/Dumper/Dumper.xs
@@ -212,8 +212,10 @@ sv_x(pTHX_ SV *sv, const char *str, STRLEN len, I32 n)
 {
     if (sv == Nullsv)
        sv = newSVpvn("", 0);
+#ifdef DEBUGGING
     else
        assert(SvTYPE(sv) >= SVt_PV);
+#endif
 
     if (n > 0) {
        SvGROW(sv, len*n + SvCUR(sv) + 1);
@@ -966,7 +968,7 @@ Data_Dumper_Dumpxs(href, ...)
            todumpav = namesav = Nullav;
            seenhv = Nullhv;
            val = pad = xpad = apad = sep = pair = varname
-               = freezer = toaster = bless = &PL_sv_undef;
+               = freezer = toaster = bless = sortkeys = &PL_sv_undef;
            name = sv_newmortal();
            indent = 2;
            terse = purity = deepcopy = 0;

diff --git a/ext/PerlIO/encoding/encoding.xs b/ext/PerlIO/encoding/encoding.xs
index d4b47cf..362d66c 100644 (file)
--- a/ext/PerlIO/encoding/encoding.xs
+++ b/ext/PerlIO/encoding/encoding.xs
@@ -255,7 +255,7 @@ PerlIOEncode_fill(pTHX_ PerlIO * f)
        STDCHAR *ptr = PerlIO_get_ptr(n);
        SSize_t use  = (avail >= 0) ? avail : 0;
        SV *uni;
-       char *s;
+       char *s = Nullch;
        STRLEN len = 0;
        e->base.ptr = e->base.end = (STDCHAR *) Nullch;
        (void) PerlIOEncode_get_base(aTHX_ f);

diff --git a/mg.c b/mg.c
index 1423df0..a475721 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -1121,6 +1121,7 @@ Perl_magic_clearenv(pTHX_ SV *sv, MAGIC *mg)
 int
 Perl_magic_set_all_env(pTHX_ SV *sv, MAGIC *mg)
 {
+    PERL_UNUSED_ARG(mg);
 #if defined(VMS)
     Perl_die(aTHX_ "Can't make list assignment to %%ENV on this system");
 #else

diff --git a/op.c b/op.c
index d9cb1d0..aeedab9 100644 (file)
--- a/op.c
+++ b/op.c
@@ -4628,9 +4628,10 @@ Perl_newCONSTSUB(pTHX_ HV *stash, const char *name, SV *sv)
     CvCONST_on(cv);
     sv_setpvn((SV*)cv, "", 0);  /* prototype is "" */
 
+#ifdef USE_ITHREADS
     if (stash)
        CopSTASH_free(PL_curcop);
-
+#endif
     LEAVE;
 
     return cv;

diff --git a/regcomp.c b/regcomp.c
index dd2188f..7d5d8a3 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -5757,6 +5757,8 @@ Perl_regdump(pTHX_ regexp *r)
            PerlIO_printf(Perl_debug_log, "\n");
         });
     }
+#else
+    PERL_UNUSED_ARG(r);
 #endif /* DEBUGGING */
 }
 
@@ -5956,6 +5958,9 @@ Perl_regprop(pTHX_ SV *sv, const regnode *o)
     }
     else if (k == BRANCHJ && (OP(o) == UNLESSM || OP(o) == IFMATCH))
        Perl_sv_catpvf(aTHX_ sv, "[-%d]", o->flags);
+#else
+    PERL_UNUSED_ARG(sv);
+    PERL_UNUSED_ARG(o);
 #endif /* DEBUGGING */
 }
 

diff --git a/scope.c b/scope.c
index 6b710c6..4806316 100644 (file)
--- a/scope.c
+++ b/scope.c
@@ -1091,6 +1091,8 @@ Perl_cx_dump(pTHX_ PERL_CONTEXT *cx)
                PTR2UV(cx->sb_rxres));
        break;
     }
+#else
+    PERL_UNUSED_ARG(cx);
 #endif /* DEBUGGING */
 }