More -Wall sweeping.

[perl5.git] / mg.c

diff --git a/mg.c b/mg.c
index b68a52e..4b6d25d 100644 (file)
--- a/mg.c
+++ b/mg.c
@@ -20,6 +20,9 @@
 #  ifndef NGROUPS
 #    define NGROUPS 32
 #  endif
+#  ifdef I_GRP
+#    include <grp.h>
+#  endif
 #endif
 
 static void restore_magic(pTHXo_ void *p);
@@ -51,7 +54,7 @@ S_save_magic(pTHX_ I32 mgs_ix, SV *sv)
 
     SvMAGICAL_off(sv);
     SvREADONLY_off(sv);
-    SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+    SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_NOK|SVp_POK)) >> PRIVSHIFT;
 }
 
 /*
@@ -627,13 +630,13 @@ Perl_magic_get(pTHX_ SV *sv, MAGIC *mg)
 
              getrx:
                if (i >= 0) {
-                   bool was_tainted;
+                   bool was_tainted = FALSE;
                    if (PL_tainting) {
                        was_tainted = PL_tainted;
                        PL_tainted = FALSE;
                    }
                    sv_setpvn(sv, s, i);
-                   if (DO_UTF8(PL_reg_sv) && is_utf8_string((U8*)s, i))
+                   if (PL_reg_sv && DO_UTF8(PL_reg_sv) && is_utf8_string((U8*)s, i))
                        SvUTF8_on(sv);
                    else
                        SvUTF8_off(sv);
@@ -1038,7 +1041,7 @@ Perl_magic_setsig(pTHX_ SV *sv, MAGIC *mg)
 {
     register char *s;
     I32 i;
-    SV** svp;
+    SV** svp = 0;
     STRLEN len;
 
     s = MgPV(mg,len);
@@ -2195,7 +2198,7 @@ Perl_sighandler(int sig)
     dSP;
     GV *gv = Nullgv;
     HV *st;
-    SV *sv, *tSv = PL_Sv;
+    SV *sv = Nullsv, *tSv = PL_Sv;
     CV *cv = Nullcv;
     OP *myop = PL_op;
     U32 flags = 0;