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The leaktesting of NEWSV() is long dead, so create and initialise
Nicholas Clark [Thu, 13 Jan 2005 21:44:53 +0000 (21:44 +0000)]
SV values in one, to simplify source code and shrink object code
by about 1%

p4raw-id: //depot/perl@23791

pp_pack.c patch | blob | blame | history

diff --git a/pp_pack.c b/pp_pack.c
index b9d8be5..3d47ada 100644 (file)
--- a/pp_pack.c
+++ b/pp_pack.c
@@ -831,8 +831,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                len = strend - s;
            if (checksum)
                goto uchar_checksum;
-           sv = NEWSV(35, len);
-           sv_setpvn(sv, s, len);
+           sv = newSVpvn(s, len);
            if (len > 0 && (datumtype == 'A' || datumtype == 'Z')) {
                aptr = s;       /* borrow register */
                if (datumtype == 'Z') { /* 'Z' strips stuff after first null */
@@ -965,8 +964,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                if (aint >= 128)        /* fake up signed chars */
                    aint -= 256;
                if (!checksum) {
-                   sv = NEWSV(36, 0);
-                   sv_setiv(sv, (IV)aint);
+                   sv = newSViv((IV)aint);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -997,8 +995,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                EXTEND_MORTAL(len);
                while (len-- > 0) {
                    auint = *s++ & 255;
-                   sv = NEWSV(37, 0);
-                   sv_setiv(sv, (IV)auint);
+                   sv = newSViv((IV)auint);
                    PUSHs(sv_2mortal(sv));
                }
            }
@@ -1024,8 +1021,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                along = alen;
                s += along;
                if (!checksum) {
-                   sv = NEWSV(37, 0);
-                   sv_setuv(sv, (UV)auint);
+                   sv = newSVuv((UV)auint);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1050,8 +1046,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK(ashort, s);
                s += sizeof(short);
                if (!checksum) {
-                   sv = NEWSV(38, 0);
-                   sv_setiv(sv, (IV)ashort);
+                   sv = newSViv((IV)ashort);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1082,8 +1077,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
 #endif
                s += SIZE16;
                if (!checksum) {
-                   sv = NEWSV(38, 0);
-                   sv_setiv(sv, (IV)ai16);
+                   sv = newSViv((IV)ai16);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1108,8 +1102,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK(aushort, s);
                s += sizeof(unsigned short);
                if (!checksum) {
-                   sv = NEWSV(39, 0);
-                   sv_setiv(sv, (UV)aushort);
+                   sv = newSViv((UV)aushort);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1146,8 +1139,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    au16 = vtohs(au16);
 #endif
                if (!checksum) {
-                   sv = NEWSV(39, 0);
-                   sv_setiv(sv, (UV)au16);
+                   sv = newSViv((UV)au16);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1179,8 +1171,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    ai16 = (I16)vtohs((U16)ai16);
 #endif
                if (!checksum) {
-                   sv = NEWSV(39, 0);
-                   sv_setiv(sv, (IV)ai16);
+                   sv = newSViv((IV)ai16);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1205,33 +1196,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK(aint, i);
                s += sizeof(int);
                if (!checksum) {
-                   sv = NEWSV(40, 0);
-#ifdef __osf__
-                    /* Without the dummy below unpack("i", pack("i",-1))
-                     * return 0xFFffFFff instead of -1 for Digital Unix V4.0
-                     * cc with optimization turned on.
-                    *
-                    * The bug was detected in
-                    * DEC C V5.8-009 on Digital UNIX V4.0 (Rev. 1091) (V4.0E)
-                    * with optimization (-O4) turned on.
-                    * DEC C V5.2-040 on Digital UNIX V4.0 (Rev. 564) (V4.0B)
-                    * does not have this problem even with -O4.
-                    *
-                    * This bug was reported as DECC_BUGS 1431
-                    * and tracked internally as GEM_BUGS 7775.
-                    *
-                    * The bug is fixed in
-                    * Tru64 UNIX V5.0:      Compaq C V6.1-006 or later
-                    * UNIX V4.0F support:   DEC C V5.9-006 or later
-                    * UNIX V4.0E support:   DEC C V5.8-011 or later
-                    * and also in DTK.
-                    *
-                    * See also few lines later for the same bug.
-                    */
-                    (aint) ?
-                       sv_setiv(sv, (IV)aint) :
-#endif
-                       sv_setiv(sv, (IV)aint);
+                   sv = newSViv((IV)aint);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1256,15 +1221,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK(auint, i);
                s += sizeof(unsigned int);
                if (!checksum) {
-                   sv = NEWSV(41, 0);
-#ifdef __osf__
-                    /* Without the dummy below unpack("I", pack("I",0xFFFFFFFF))
-                     * returns 1.84467440737096e+19 instead of 0xFFFFFFFF.
-                    * See details few lines earlier. */
-                    (auint) ?
-                       sv_setuv(sv, (UV)auint) :
-#endif
-                   sv_setuv(sv, (UV)auint);
+                   sv = newSVuv((UV)auint);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1294,8 +1251,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
 #endif
                s += IVSIZE;
                if (!checksum) {
-                   sv = NEWSV(40, 0);
-                   sv_setiv(sv, aiv);
+                   sv = newSViv(aiv);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1325,8 +1281,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
 #endif
                s += UVSIZE;
                if (!checksum) {
-                   sv = NEWSV(41, 0);
-                   sv_setuv(sv, auv);
+                   sv = newSVuv(auv);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1351,8 +1306,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK(along, l);
                s += sizeof(long);
                if (!checksum) {
-                   sv = NEWSV(42, 0);
-                   sv_setiv(sv, (IV)along);
+                   sv = newSViv((IV)along);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1383,8 +1337,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
 #endif
                s += SIZE32;
                if (!checksum) {
-                   sv = NEWSV(42, 0);
-                   sv_setiv(sv, (IV)ai32);
+                   sv = newSViv((IV)ai32);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1409,8 +1362,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK(aulong, l);
                s += sizeof(unsigned long);
                if (!checksum) {
-                   sv = NEWSV(43, 0);
-                   sv_setuv(sv, (UV)aulong);
+                   sv = newSVuv((UV)aulong);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1447,8 +1399,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    au32 = vtohl(au32);
 #endif
                 if (!checksum) {
-                    sv = NEWSV(43, 0);
-                    sv_setuv(sv, (UV)au32);
+                    sv = newSVuv((UV)au32);
                     PUSHs(sv_2mortal(sv));
                 }
                 else if (checksum > bits_in_uv)
@@ -1480,8 +1431,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    ai32 = (I32)vtohl((U32)ai32);
 #endif
                if (!checksum) {
-                   sv = NEWSV(43, 0);
-                   sv_setiv(sv, (IV)ai32);
+                   sv = newSViv((IV)ai32);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1504,10 +1454,8 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    DO_BO_UNPACK_P(aptr);
                    s += sizeof(char*);
                }
-               sv = NEWSV(44, 0);
-               if (aptr)
-                   sv_setpv(sv, aptr);
-               PUSHs(sv_2mortal(sv));
+               /* newSVpv generates undef if aptr is NULL */
+               PUSHs(sv_2mortal(newSVpv(aptr, 0)));
            }
            break;
        case 'w':
@@ -1524,8 +1472,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    /* UTF8_IS_XXXXX not right here - using constant 0x80 */
                    if ((U8)(*s++) < 0x80) {
                        bytes = 0;
-                       sv = NEWSV(40, 0);
-                       sv_setuv(sv, auv);
+                       sv = newSVuv(auv);
                        PUSHs(sv_2mortal(sv));
                        len--;
                        auv = 0;
@@ -1566,10 +1513,8 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK_P(aptr);
                s += sizeof(char*);
            }
-           sv = NEWSV(44, 0);
-           if (aptr)
-               sv_setpvn(sv, aptr, len);
-           PUSHs(sv_2mortal(sv));
+           /* newSVpvn generates undef if aptr is NULL */
+           PUSHs(sv_2mortal(newSVpvn(aptr, len)));
            break;
 #ifdef HAS_QUAD
        case 'q':
@@ -1593,11 +1538,10 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    s += sizeof(Quad_t);
                }
                if (!checksum) {
-                    sv = NEWSV(42, 0);
                     if (aquad >= IV_MIN && aquad <= IV_MAX)
-                       sv_setiv(sv, (IV)aquad);
+                       sv = newSViv((IV)aquad);
                     else
-                        sv_setnv(sv, (NV)aquad);
+                        sv = newSVnv((NV)aquad);
                     PUSHs(sv_2mortal(sv));
                 }
                else if (checksum > bits_in_uv)
@@ -1625,11 +1569,10 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                    s += sizeof(Uquad_t);
                }
                if (!checksum) {
-                   sv = NEWSV(43, 0);
                    if (auquad <= UV_MAX)
-                       sv_setuv(sv, (UV)auquad);
+                       sv = newSVuv((UV)auquad);
                    else
-                       sv_setnv(sv, (NV)auquad);
+                       sv = newSVnv((NV)auquad);
                    PUSHs(sv_2mortal(sv));
                }
                else if (checksum > bits_in_uv)
@@ -1655,8 +1598,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK_N(afloat, float);
                s += sizeof(float);
                if (!checksum) {
-                   sv = NEWSV(47, 0);
-                   sv_setnv(sv, (NV)afloat);
+                   sv = newSVnv((NV)afloat);
                    PUSHs(sv_2mortal(sv));
                }
                else {
@@ -1679,8 +1621,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK_N(adouble, double);
                s += sizeof(double);
                if (!checksum) {
-                   sv = NEWSV(48, 0);
-                   sv_setnv(sv, (NV)adouble);
+                   sv = newSVnv((NV)adouble);
                    PUSHs(sv_2mortal(sv));
                }
                else {
@@ -1703,8 +1644,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK_N(anv, NV);
                s += NVSIZE;
                if (!checksum) {
-                   sv = NEWSV(48, 0);
-                   sv_setnv(sv, anv);
+                   sv = newSVnv(anv);
                    PUSHs(sv_2mortal(sv));
                }
                else {
@@ -1728,8 +1668,7 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                DO_BO_UNPACK_N(aldouble, long double);
                s += LONG_DOUBLESIZE;
                if (!checksum) {
-                   sv = NEWSV(48, 0);
-                   sv_setnv(sv, (NV)aldouble);
+                   sv = newSVnv((NV)aldouble);
                    PUSHs(sv_2mortal(sv));
                }
                else {cdouble += aldouble;
@@ -1799,7 +1738,6 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
        }
 
        if (checksum) {
-           sv = NEWSV(42, 0);
            if (strchr("fFdD", TYPE_NO_MODIFIERS(datumtype)) ||
              (checksum > bits_in_uv &&
               strchr("csSiIlLnNUvVqQjJ", TYPE_NO_MODIFIERS(datumtype))) ) {
@@ -1813,14 +1751,14 @@ S_unpack_rec(pTHX_ register tempsym_t* symptr, register char *s, char *strbeg, c
                while (cdouble < 0.0)
                    cdouble += adouble;
                cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble;
-               sv_setnv(sv, cdouble);
+               sv = newSVnv(cdouble);
            }
            else {
                if (checksum < bits_in_uv) {
                    UV mask = ((UV)1 << checksum) - 1;
                    cuv &= mask;
                }
-               sv_setuv(sv, cuv);
+               sv = newSVuv(cuv);
            }
            XPUSHs(sv_2mortal(sv));
            checksum = 0;
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