[win32] change all 'sp' to 'SP' in code and in the docs. Explicitly

mention that local stack pointer should be called SP.  This makes the
API safer from source incompatibilities down the line.

p4raw-id: //depot/win32/perl@795

1 files changed, 10 insertions, 10 deletions

diff --git a/av.c b/av.c
index ae5ffab472..fad0b2ebdd 100644
--- a/av.c
+++ b/av.c
@@ -53,8 +53,8 @@ av_extend(AV *av, I32 key)
 	dSP;
 	ENTER;
 	SAVETMPS;
-	PUSHMARK(sp);
-	EXTEND(sp,2);
+	PUSHMARK(SP);
+	EXTEND(SP,2);
 	PUSHs(mg->mg_obj);
 	PUSHs(sv_2mortal(newSViv(key+1)));
         PUTBACK;
@@ -388,8 +388,8 @@ av_push(register AV *av, SV *val)
 
     if (SvRMAGICAL(av) && (mg = mg_find((SV*)av,'P'))) {
 	dSP;
-	PUSHMARK(sp);
-	EXTEND(sp,2);
+	PUSHMARK(SP);
+	EXTEND(SP,2);
 	PUSHs(mg->mg_obj);
 	PUSHs(val);
 	PUTBACK;
@@ -413,7 +413,7 @@ av_pop(register AV *av)
 	croak(no_modify);
     if (SvRMAGICAL(av) && (mg = mg_find((SV*)av,'P'))) {
 	dSP;    
-	PUSHMARK(sp);
+	PUSHMARK(SP);
 	XPUSHs(mg->mg_obj);
 	PUTBACK;
 	ENTER;
@@ -446,8 +446,8 @@ av_unshift(register AV *av, register I32 num)
 
     if (SvRMAGICAL(av) && (mg = mg_find((SV*)av,'P'))) {
 	dSP;
-	PUSHMARK(sp);
-	EXTEND(sp,1+num);
+	PUSHMARK(SP);
+	EXTEND(SP,1+num);
 	PUSHs(mg->mg_obj);
 	while (num-- > 0) {
 	    PUSHs(&sv_undef);
@@ -495,7 +495,7 @@ av_shift(register AV *av)
 	croak(no_modify);
     if (SvRMAGICAL(av) && (mg = mg_find((SV*)av,'P'))) {
 	dSP;
-	PUSHMARK(sp);
+	PUSHMARK(SP);
 	XPUSHs(mg->mg_obj);
 	PUTBACK;
 	ENTER;
@@ -536,8 +536,8 @@ av_fill(register AV *av, I32 fill)
 	dSP;            
 	ENTER;
 	SAVETMPS;
-	PUSHMARK(sp);
-	EXTEND(sp,2);
+	PUSHMARK(SP);
+	EXTEND(SP,2);
 	PUSHs(mg->mg_obj);
 	PUSHs(sv_2mortal(newSViv(fill+1)));
 	PUTBACK;