fixes for all the warnings reported by Visual C (most of this

change is from change#12026)
p4raw-link: @12026 on //depot/maint-5.6/perl: ff42b73b40f5a895aef4bed81c794f468e0609bc

p4raw-id: //depot/perl@16048

1 files changed, 7 insertions, 4 deletions

diff --git a/util.c b/util.c
index 5336ad0bab..6b95a4d031 100644
--- a/util.c
+++ b/util.c
@@ -546,7 +546,7 @@ Perl_fbm_compile(pTHX_ SV *sv, U32 flags)
 	}
     }
     BmRARE(sv) = s[rarest];
-    BmPREVIOUS(sv) = rarest;
+    BmPREVIOUS(sv) = (U16)rarest;
     BmUSEFUL(sv) = 100;			/* Initial value */
     if (flags & FBMcf_TAIL)
 	SvTAIL_on(sv);
@@ -578,9 +578,9 @@ Perl_fbm_instr(pTHX_ unsigned char *big, register unsigned char *bigend, SV *lit
     register STRLEN littlelen = l;
     register I32 multiline = flags & FBMrf_MULTILINE;
 
-    if (bigend - big < littlelen) {
+    if ((STRLEN)(bigend - big) < littlelen) {
 	if ( SvTAIL(littlestr)
-	     && (bigend - big == littlelen - 1)
+	     && ((STRLEN)(bigend - big) == littlelen - 1)
 	     && (littlelen == 1
 		 || (*big == *little &&
 		     memEQ((char *)big, (char *)little, littlelen - 1))))
@@ -707,7 +707,7 @@ Perl_fbm_instr(pTHX_ unsigned char *big, register unsigned char *bigend, SV *lit
 	register unsigned char *table = little + littlelen + FBM_TABLE_OFFSET;
 	register unsigned char *oldlittle;
 
-	if (littlelen > bigend - big)
+	if (littlelen > (STRLEN)(bigend - big))
 	    return Nullch;
 	--littlelen;			/* Last char found by table lookup */
 
@@ -2524,6 +2524,9 @@ Perl_wait4pid(pTHX_ Pid_t pid, int *statusp, int flags)
 
 	hv_iterinit(PL_pidstatus);
 	if ((entry = hv_iternext(PL_pidstatus))) {
+	    SV *sv;
+	    char spid[TYPE_CHARS(int)];
+
 	    pid = atoi(hv_iterkey(entry,(I32*)statusp));
 	    sv = hv_iterval(PL_pidstatus,entry);
 	    *statusp = SvIVX(sv);