Split off the pack/unpack code, from Nicholas Clark.

p4raw-id: //depot/perl@10685

1 files changed, 0 insertions, 1813 deletions

diff --git a/pp.c b/pp.c
index ebdf3fd98d..6d393bd810 100644
--- a/pp.c
+++ b/pp.c
@@ -16,70 +16,6 @@
 #define PERL_IN_PP_C
 #include "perl.h"
 
-/*
- * The compiler on Concurrent CX/UX systems has a subtle bug which only
- * seems to show up when compiling pp.c - it generates the wrong double
- * precision constant value for (double)UV_MAX when used inline in the body
- * of the code below, so this makes a static variable up front (which the
- * compiler seems to get correct) and uses it in place of UV_MAX below.
- */
-#ifdef CXUX_BROKEN_CONSTANT_CONVERT
-static double UV_MAX_cxux = ((double)UV_MAX);
-#endif
-
-/*
- * Offset for integer pack/unpack.
- *
- * On architectures where I16 and I32 aren't really 16 and 32 bits,
- * which for now are all Crays, pack and unpack have to play games.
- */
-
-/*
- * These values are required for portability of pack() output.
- * If they're not right on your machine, then pack() and unpack()
- * wouldn't work right anyway; you'll need to apply the Cray hack.
- * (I'd like to check them with #if, but you can't use sizeof() in
- * the preprocessor.)  --???
- */
-/*
-    The appropriate SHORTSIZE, INTSIZE, LONGSIZE, and LONGLONGSIZE
-    defines are now in config.h.  --Andy Dougherty  April 1998
- */
-#define SIZE16 2
-#define SIZE32 4
-
-/* CROSSCOMPILE and MULTIARCH are going to affect pp_pack() and pp_unpack().
-   --jhi Feb 1999 */
-
-#if SHORTSIZE != SIZE16 || LONGSIZE != SIZE32
-#   define PERL_NATINT_PACK
-#endif
-
-#if LONGSIZE > 4 && defined(_CRAY)
-#  if BYTEORDER == 0x12345678
-#    define OFF16(p)	(char*)(p)
-#    define OFF32(p)	(char*)(p)
-#  else
-#    if BYTEORDER == 0x87654321
-#      define OFF16(p)	((char*)(p) + (sizeof(U16) - SIZE16))
-#      define OFF32(p)	((char*)(p) + (sizeof(U32) - SIZE32))
-#    else
-       }}}} bad cray byte order
-#    endif
-#  endif
-#  define COPY16(s,p)  (*(p) = 0, Copy(s, OFF16(p), SIZE16, char))
-#  define COPY32(s,p)  (*(p) = 0, Copy(s, OFF32(p), SIZE32, char))
-#  define COPYNN(s,p,n) (*(p) = 0, Copy(s, (char *)(p), n, char))
-#  define CAT16(sv,p)  sv_catpvn(sv, OFF16(p), SIZE16)
-#  define CAT32(sv,p)  sv_catpvn(sv, OFF32(p), SIZE32)
-#else
-#  define COPY16(s,p)  Copy(s, p, SIZE16, char)
-#  define COPY32(s,p)  Copy(s, p, SIZE32, char)
-#  define COPYNN(s,p,n) Copy(s, (char *)(p), n, char)
-#  define CAT16(sv,p)  sv_catpvn(sv, (char*)(p), SIZE16)
-#  define CAT32(sv,p)  sv_catpvn(sv, (char*)(p), SIZE32)
-#endif
-
 /* variations on pp_null */
 
 /* XXX I can't imagine anyone who doesn't have this actually _needs_
@@ -4071,1755 +4007,6 @@ PP(pp_reverse)
     RETURN;
 }
 
-STATIC SV *
-S_mul128(pTHX_ SV *sv, U8 m)
-{
-  STRLEN          len;
-  char           *s = SvPV(sv, len);
-  char           *t;
-  U32             i = 0;
-
-  if (!strnEQ(s, "0000", 4)) {  /* need to grow sv */
-    SV             *tmpNew = newSVpvn("0000000000", 10);
-
-    sv_catsv(tmpNew, sv);
-    SvREFCNT_dec(sv);		/* free old sv */
-    sv = tmpNew;
-    s = SvPV(sv, len);
-  }
-  t = s + len - 1;
-  while (!*t)                   /* trailing '\0'? */
-    t--;
-  while (t > s) {
-    i = ((*t - '0') << 7) + m;
-    *(t--) = '0' + (i % 10);
-    m = i / 10;
-  }
-  return (sv);
-}
-
-/* Explosives and implosives. */
-
-#if 'I' == 73 && 'J' == 74
-/* On an ASCII/ISO kind of system */
-#define ISUUCHAR(ch)    ((ch) >= ' ' && (ch) < 'a')
-#else
-/*
-  Some other sort of character set - use memchr() so we don't match
-  the null byte.
- */
-#define ISUUCHAR(ch)    (memchr(PL_uuemap, (ch), sizeof(PL_uuemap)-1) || (ch) == ' ')
-#endif
-
-
-PP(pp_unpack)
-{
-    dSP;
-    dPOPPOPssrl;
-    I32 start_sp_offset = SP - PL_stack_base;
-    I32 gimme = GIMME_V;
-    SV *sv;
-    STRLEN llen;
-    STRLEN rlen;
-    register char *pat = SvPV(left, llen);
-#ifdef PACKED_IS_OCTETS
-    /* Packed side is assumed to be octets - so force downgrade if it
-       has been UTF-8 encoded by accident
-     */
-    register char *s = SvPVbyte(right, rlen);
-#else
-    register char *s = SvPV(right, rlen);
-#endif
-    char *strend = s + rlen;
-    char *strbeg = s;
-    register char *patend = pat + llen;
-    I32 datumtype;
-    register I32 len;
-    register I32 bits = 0;
-    register char *str;
-
-    /* These must not be in registers: */
-    short ashort;
-    int aint;
-    long along;
-#ifdef HAS_QUAD
-    Quad_t aquad;
-#endif
-    U16 aushort;
-    unsigned int auint;
-    U32 aulong;
-#ifdef HAS_QUAD
-    Uquad_t auquad;
-#endif
-    char *aptr;
-    float afloat;
-    double adouble;
-    I32 checksum = 0;
-    register U32 culong = 0;
-    NV cdouble = 0.0;
-    int commas = 0;
-    int star;
-#ifdef PERL_NATINT_PACK
-    int natint;		/* native integer */
-    int unatint;	/* unsigned native integer */
-#endif
-
-    if (gimme != G_ARRAY) {		/* arrange to do first one only */
-	/*SUPPRESS 530*/
-	for (patend = pat; !isALPHA(*patend) || *patend == 'x'; patend++) ;
-	if (strchr("aAZbBhHP", *patend) || *pat == '%') {
-	    patend++;
-	    while (isDIGIT(*patend) || *patend == '*')
-		patend++;
-	}
-	else
-	    patend++;
-    }
-    while (pat < patend) {
-      reparse:
-	datumtype = *pat++ & 0xFF;
-#ifdef PERL_NATINT_PACK
-	natint = 0;
-#endif
-	if (isSPACE(datumtype))
-	    continue;
-	if (datumtype == '#') {
-	    while (pat < patend && *pat != '\n')
-		pat++;
-	    continue;
-	}
-	if (*pat == '!') {
-	    char *natstr = "sSiIlL";
-
-	    if (strchr(natstr, datumtype)) {
-#ifdef PERL_NATINT_PACK
-		natint = 1;
-#endif
-		pat++;
-	    }
-	    else
-		DIE(aTHX_ "'!' allowed only after types %s", natstr);
-	}
-	star = 0;
-	if (pat >= patend)
-	    len = 1;
-	else if (*pat == '*') {
-	    len = strend - strbeg;	/* long enough */
-	    pat++;
-	    star = 1;
-	}
-	else if (isDIGIT(*pat)) {
-	    len = *pat++ - '0';
-	    while (isDIGIT(*pat)) {
-		len = (len * 10) + (*pat++ - '0');
-		if (len < 0)
-		    DIE(aTHX_ "Repeat count in unpack overflows");
-	    }
-	}
-	else
-	    len = (datumtype != '@');
-      redo_switch:
-	switch(datumtype) {
-	default:
-	    DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype);
-	case ',': /* grandfather in commas but with a warning */
-	    if (commas++ == 0 && ckWARN(WARN_UNPACK))
-		Perl_warner(aTHX_ WARN_UNPACK,
-			    "Invalid type in unpack: '%c'", (int)datumtype);
-	    break;
-	case '%':
-	    if (len == 1 && pat[-1] != '1')
-		len = 16;
-	    checksum = len;
-	    culong = 0;
-	    cdouble = 0;
-	    if (pat < patend)
-		goto reparse;
-	    break;
-	case '@':
-	    if (len > strend - strbeg)
-		DIE(aTHX_ "@ outside of string");
-	    s = strbeg + len;
-	    break;
-	case 'X':
-	    if (len > s - strbeg)
-		DIE(aTHX_ "X outside of string");
-	    s -= len;
-	    break;
-	case 'x':
-	    if (len > strend - s)
-		DIE(aTHX_ "x outside of string");
-	    s += len;
-	    break;
-	case '/':
-	    if (start_sp_offset >= SP - PL_stack_base)
-		DIE(aTHX_ "/ must follow a numeric type");
-	    datumtype = *pat++;
-	    if (*pat == '*')
-		pat++;		/* ignore '*' for compatibility with pack */
-	    if (isDIGIT(*pat))
-		DIE(aTHX_ "/ cannot take a count" );
-	    len = POPi;
-	    star = 0;
-	    goto redo_switch;
-	case 'A':
-	case 'Z':
-	case 'a':
-	    if (len > strend - s)
-		len = strend - s;
-	    if (checksum)
-		goto uchar_checksum;
-	    sv = NEWSV(35, len);
-	    sv_setpvn(sv, s, len);
-	    s += len;
-	    if (datumtype == 'A' || datumtype == 'Z') {
-		aptr = s;	/* borrow register */
-		if (datumtype == 'Z') {	/* 'Z' strips stuff after first null */
-		    s = SvPVX(sv);
-		    while (*s)
-			s++;
-		}
-		else {		/* 'A' strips both nulls and spaces */
-		    s = SvPVX(sv) + len - 1;
-		    while (s >= SvPVX(sv) && (!*s || isSPACE(*s)))
-			s--;
-		    *++s = '\0';
-		}
-		SvCUR_set(sv, s - SvPVX(sv));
-		s = aptr;	/* unborrow register */
-	    }
-	    XPUSHs(sv_2mortal(sv));
-	    break;
-	case 'B':
-	case 'b':
-	    if (star || len > (strend - s) * 8)
-		len = (strend - s) * 8;
-	    if (checksum) {
-		if (!PL_bitcount) {
-		    Newz(601, PL_bitcount, 256, char);
-		    for (bits = 1; bits < 256; bits++) {
-			if (bits & 1)	PL_bitcount[bits]++;
-			if (bits & 2)	PL_bitcount[bits]++;
-			if (bits & 4)	PL_bitcount[bits]++;
-			if (bits & 8)	PL_bitcount[bits]++;
-			if (bits & 16)	PL_bitcount[bits]++;
-			if (bits & 32)	PL_bitcount[bits]++;
-			if (bits & 64)	PL_bitcount[bits]++;
-			if (bits & 128)	PL_bitcount[bits]++;
-		    }
-		}
-		while (len >= 8) {
-		    culong += PL_bitcount[*(unsigned char*)s++];
-		    len -= 8;
-		}
-		if (len) {
-		    bits = *s;
-		    if (datumtype == 'b') {
-			while (len-- > 0) {
-			    if (bits & 1) culong++;
-			    bits >>= 1;
-			}
-		    }
-		    else {
-			while (len-- > 0) {
-			    if (bits & 128) culong++;
-			    bits <<= 1;
-			}
-		    }
-		}
-		break;
-	    }
-	    sv = NEWSV(35, len + 1);
-	    SvCUR_set(sv, len);
-	    SvPOK_on(sv);
-	    str = SvPVX(sv);
-	    if (datumtype == 'b') {
-		aint = len;
-		for (len = 0; len < aint; len++) {
-		    if (len & 7)		/*SUPPRESS 595*/
-			bits >>= 1;
-		    else
-			bits = *s++;
-		    *str++ = '0' + (bits & 1);
-		}
-	    }
-	    else {
-		aint = len;
-		for (len = 0; len < aint; len++) {
-		    if (len & 7)
-			bits <<= 1;
-		    else
-			bits = *s++;
-		    *str++ = '0' + ((bits & 128) != 0);
-		}
-	    }
-	    *str = '\0';
-	    XPUSHs(sv_2mortal(sv));
-	    break;
-	case 'H':
-	case 'h':
-	    if (star || len > (strend - s) * 2)
-		len = (strend - s) * 2;
-	    sv = NEWSV(35, len + 1);
-	    SvCUR_set(sv, len);
-	    SvPOK_on(sv);
-	    str = SvPVX(sv);
-	    if (datumtype == 'h') {
-		aint = len;
-		for (len = 0; len < aint; len++) {
-		    if (len & 1)
-			bits >>= 4;
-		    else
-			bits = *s++;
-		    *str++ = PL_hexdigit[bits & 15];
-		}
-	    }
-	    else {
-		aint = len;
-		for (len = 0; len < aint; len++) {
-		    if (len & 1)
-			bits <<= 4;
-		    else
-			bits = *s++;
-		    *str++ = PL_hexdigit[(bits >> 4) & 15];
-		}
-	    }
-	    *str = '\0';
-	    XPUSHs(sv_2mortal(sv));
-	    break;
-	case 'c':
-	    if (len > strend - s)
-		len = strend - s;
-	    if (checksum) {
-		while (len-- > 0) {
-		    aint = *s++;
-		    if (aint >= 128)	/* fake up signed chars */
-			aint -= 256;
-		    culong += aint;
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-		while (len-- > 0) {
-		    aint = *s++;
-		    if (aint >= 128)	/* fake up signed chars */
-			aint -= 256;
-		    sv = NEWSV(36, 0);
-		    sv_setiv(sv, (IV)aint);
-		    PUSHs(sv_2mortal(sv));
-		}
-	    }
-	    break;
-	case 'C':
-	    if (len > strend - s)
-		len = strend - s;
-	    if (checksum) {
-	      uchar_checksum:
-		while (len-- > 0) {
-		    auint = *s++ & 255;
-		    culong += auint;
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-		while (len-- > 0) {
-		    auint = *s++ & 255;
-		    sv = NEWSV(37, 0);
-		    sv_setiv(sv, (IV)auint);
-		    PUSHs(sv_2mortal(sv));
-		}
-	    }
-	    break;
-	case 'U':
-	    if (len > strend - s)
-		len = strend - s;
-	    if (checksum) {
-		while (len-- > 0 && s < strend) {
-		    STRLEN alen;
-		    auint = utf8n_to_uvchr((U8*)s, strend - s, &alen, 0);
-		    along = alen;
-		    s += along;
-		    if (checksum > 32)
-			cdouble += (NV)auint;
-		    else
-			culong += auint;
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-		while (len-- > 0 && s < strend) {
-		    STRLEN alen;
-		    auint = utf8n_to_uvchr((U8*)s, strend - s, &alen, 0);
-		    along = alen;
-		    s += along;
-		    sv = NEWSV(37, 0);
-		    sv_setuv(sv, (UV)auint);
-		    PUSHs(sv_2mortal(sv));
-		}
-	    }
-	    break;
-	case 's':
-#if SHORTSIZE == SIZE16
-	    along = (strend - s) / SIZE16;
-#else
-	    along = (strend - s) / (natint ? sizeof(short) : SIZE16);
-#endif
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-#if SHORTSIZE != SIZE16
-		if (natint) {
-		    short ashort;
-		    while (len-- > 0) {
-			COPYNN(s, &ashort, sizeof(short));
-			s += sizeof(short);
-			culong += ashort;
-
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-			COPY16(s, &ashort);
-#if SHORTSIZE > SIZE16
-			if (ashort > 32767)
-			  ashort -= 65536;
-#endif
-			s += SIZE16;
-			culong += ashort;
-		    }
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-#if SHORTSIZE != SIZE16
-		if (natint) {
-		    short ashort;
-		    while (len-- > 0) {
-			COPYNN(s, &ashort, sizeof(short));
-			s += sizeof(short);
-			sv = NEWSV(38, 0);
-			sv_setiv(sv, (IV)ashort);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-			COPY16(s, &ashort);
-#if SHORTSIZE > SIZE16
-			if (ashort > 32767)
-			  ashort -= 65536;
-#endif
-			s += SIZE16;
-			sv = NEWSV(38, 0);
-			sv_setiv(sv, (IV)ashort);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-	    }
-	    break;
-	case 'v':
-	case 'n':
-	case 'S':
-#if SHORTSIZE == SIZE16
-	    along = (strend - s) / SIZE16;
-#else
-	    unatint = natint && datumtype == 'S';
-	    along = (strend - s) / (unatint ? sizeof(unsigned short) : SIZE16);
-#endif
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-#if SHORTSIZE != SIZE16
-		if (unatint) {
-		    unsigned short aushort;
-		    while (len-- > 0) {
-			COPYNN(s, &aushort, sizeof(unsigned short));
-			s += sizeof(unsigned short);
-			culong += aushort;
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-			COPY16(s, &aushort);
-			s += SIZE16;
-#ifdef HAS_NTOHS
-			if (datumtype == 'n')
-			    aushort = PerlSock_ntohs(aushort);
-#endif
-#ifdef HAS_VTOHS
-			if (datumtype == 'v')
-			    aushort = vtohs(aushort);
-#endif
-			culong += aushort;
-		    }
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-#if SHORTSIZE != SIZE16
-		if (unatint) {
-		    unsigned short aushort;
-		    while (len-- > 0) {
-			COPYNN(s, &aushort, sizeof(unsigned short));
-			s += sizeof(unsigned short);
-			sv = NEWSV(39, 0);
-			sv_setiv(sv, (UV)aushort);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-			COPY16(s, &aushort);
-			s += SIZE16;
-			sv = NEWSV(39, 0);
-#ifdef HAS_NTOHS
-			if (datumtype == 'n')
-			    aushort = PerlSock_ntohs(aushort);
-#endif
-#ifdef HAS_VTOHS
-			if (datumtype == 'v')
-			    aushort = vtohs(aushort);
-#endif
-			sv_setiv(sv, (UV)aushort);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-	    }
-	    break;
-	case 'i':
-	    along = (strend - s) / sizeof(int);
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-		while (len-- > 0) {
-		    Copy(s, &aint, 1, int);
-		    s += sizeof(int);
-		    if (checksum > 32)
-			cdouble += (NV)aint;
-		    else
-			culong += aint;
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-		while (len-- > 0) {
-		    Copy(s, &aint, 1, int);
-		    s += sizeof(int);
-		    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);
-		    PUSHs(sv_2mortal(sv));
-		}
-	    }
-	    break;
-	case 'I':
-	    along = (strend - s) / sizeof(unsigned int);
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-		while (len-- > 0) {
-		    Copy(s, &auint, 1, unsigned int);
-		    s += sizeof(unsigned int);
-		    if (checksum > 32)
-			cdouble += (NV)auint;
-		    else
-			culong += auint;
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-		while (len-- > 0) {
-		    Copy(s, &auint, 1, unsigned int);
-		    s += sizeof(unsigned int);
-		    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);
-		    PUSHs(sv_2mortal(sv));
-		}
-	    }
-	    break;
-	case 'l':
-#if LONGSIZE == SIZE32
-	    along = (strend - s) / SIZE32;
-#else
-	    along = (strend - s) / (natint ? sizeof(long) : SIZE32);
-#endif
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-#if LONGSIZE != SIZE32
-		if (natint) {
-		    while (len-- > 0) {
-			COPYNN(s, &along, sizeof(long));
-			s += sizeof(long);
-			if (checksum > 32)
-			    cdouble += (NV)along;
-			else
-			    culong += along;
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-#if LONGSIZE > SIZE32 && INTSIZE == SIZE32
-			I32 along;
-#endif
-			COPY32(s, &along);
-#if LONGSIZE > SIZE32
-			if (along > 2147483647)
-			  along -= 4294967296;
-#endif
-			s += SIZE32;
-			if (checksum > 32)
-			    cdouble += (NV)along;
-			else
-			    culong += along;
-		    }
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-#if LONGSIZE != SIZE32
-		if (natint) {
-		    while (len-- > 0) {
-			COPYNN(s, &along, sizeof(long));
-			s += sizeof(long);
-			sv = NEWSV(42, 0);
-			sv_setiv(sv, (IV)along);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-#if LONGSIZE > SIZE32 && INTSIZE == SIZE32
-			I32 along;
-#endif
-			COPY32(s, &along);
-#if LONGSIZE > SIZE32
-			if (along > 2147483647)
-			  along -= 4294967296;
-#endif
-			s += SIZE32;
-			sv = NEWSV(42, 0);
-			sv_setiv(sv, (IV)along);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-	    }
-	    break;
-	case 'V':
-	case 'N':
-	case 'L':
-#if LONGSIZE == SIZE32
-	    along = (strend - s) / SIZE32;
-#else
-	    unatint = natint && datumtype == 'L';
-	    along = (strend - s) / (unatint ? sizeof(unsigned long) : SIZE32);
-#endif
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-#if LONGSIZE != SIZE32
-		if (unatint) {
-		    unsigned long aulong;
-		    while (len-- > 0) {
-			COPYNN(s, &aulong, sizeof(unsigned long));
-			s += sizeof(unsigned long);
-			if (checksum > 32)
-			    cdouble += (NV)aulong;
-			else
-			    culong += aulong;
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-			COPY32(s, &aulong);
-			s += SIZE32;
-#ifdef HAS_NTOHL
-			if (datumtype == 'N')
-			    aulong = PerlSock_ntohl(aulong);
-#endif
-#ifdef HAS_VTOHL
-			if (datumtype == 'V')
-			    aulong = vtohl(aulong);
-#endif
-			if (checksum > 32)
-			    cdouble += (NV)aulong;
-			else
-			    culong += aulong;
-		    }
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-#if LONGSIZE != SIZE32
-		if (unatint) {
-		    unsigned long aulong;
-		    while (len-- > 0) {
-			COPYNN(s, &aulong, sizeof(unsigned long));
-			s += sizeof(unsigned long);
-			sv = NEWSV(43, 0);
-			sv_setuv(sv, (UV)aulong);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-		else
-#endif
-                {
-		    while (len-- > 0) {
-			COPY32(s, &aulong);
-			s += SIZE32;
-#ifdef HAS_NTOHL
-			if (datumtype == 'N')
-			    aulong = PerlSock_ntohl(aulong);
-#endif
-#ifdef HAS_VTOHL
-			if (datumtype == 'V')
-			    aulong = vtohl(aulong);
-#endif
-			sv = NEWSV(43, 0);
-			sv_setuv(sv, (UV)aulong);
-			PUSHs(sv_2mortal(sv));
-		    }
-		}
-	    }
-	    break;
-	case 'p':
-	    along = (strend - s) / sizeof(char*);
-	    if (len > along)
-		len = along;
-	    EXTEND(SP, len);
-	    EXTEND_MORTAL(len);
-	    while (len-- > 0) {
-		if (sizeof(char*) > strend - s)
-		    break;
-		else {
-		    Copy(s, &aptr, 1, char*);
-		    s += sizeof(char*);
-		}
-		sv = NEWSV(44, 0);
-		if (aptr)
-		    sv_setpv(sv, aptr);
-		PUSHs(sv_2mortal(sv));
-	    }
-	    break;
-	case 'w':
-	    EXTEND(SP, len);
-	    EXTEND_MORTAL(len);
-	    {
-		UV auv = 0;
-		U32 bytes = 0;
-		
-		while ((len > 0) && (s < strend)) {
-		    auv = (auv << 7) | (*s & 0x7f);
-		    /* UTF8_IS_XXXXX not right here - using constant 0x80 */
-		    if ((U8)(*s++) < 0x80) {
-			bytes = 0;
-			sv = NEWSV(40, 0);
-			sv_setuv(sv, auv);
-			PUSHs(sv_2mortal(sv));
-			len--;
-			auv = 0;
-		    }
-		    else if (++bytes >= sizeof(UV)) {	/* promote to string */
-			char *t;
-			STRLEN n_a;
-
-			sv = Perl_newSVpvf(aTHX_ "%.*"UVf, (int)TYPE_DIGITS(UV), auv);
-			while (s < strend) {
-			    sv = mul128(sv, *s & 0x7f);
-			    if (!(*s++ & 0x80)) {
-				bytes = 0;
-				break;
-			    }
-			}
-			t = SvPV(sv, n_a);
-			while (*t == '0')
-			    t++;
-			sv_chop(sv, t);
-			PUSHs(sv_2mortal(sv));
-			len--;
-			auv = 0;
-		    }
-		}
-		if ((s >= strend) && bytes)
-		    DIE(aTHX_ "Unterminated compressed integer");
-	    }
-	    break;
-	case 'P':
-	    EXTEND(SP, 1);
-	    if (sizeof(char*) > strend - s)
-		break;
-	    else {
-		Copy(s, &aptr, 1, char*);
-		s += sizeof(char*);
-	    }
-	    sv = NEWSV(44, 0);
-	    if (aptr)
-		sv_setpvn(sv, aptr, len);
-	    PUSHs(sv_2mortal(sv));
-	    break;
-#ifdef HAS_QUAD
-	case 'q':
-	    along = (strend - s) / sizeof(Quad_t);
-	    if (len > along)
-		len = along;
-	    EXTEND(SP, len);
-	    EXTEND_MORTAL(len);
-	    while (len-- > 0) {
-		if (s + sizeof(Quad_t) > strend)
-		    aquad = 0;
-		else {
-		    Copy(s, &aquad, 1, Quad_t);
-		    s += sizeof(Quad_t);
-		}
-		sv = NEWSV(42, 0);
-		if (aquad >= IV_MIN && aquad <= IV_MAX)
-		    sv_setiv(sv, (IV)aquad);
-		else
-		    sv_setnv(sv, (NV)aquad);
-		PUSHs(sv_2mortal(sv));
-	    }
-	    break;
-	case 'Q':
-	    along = (strend - s) / sizeof(Quad_t);
-	    if (len > along)
-		len = along;
-	    EXTEND(SP, len);
-	    EXTEND_MORTAL(len);
-	    while (len-- > 0) {
-		if (s + sizeof(Uquad_t) > strend)
-		    auquad = 0;
-		else {
-		    Copy(s, &auquad, 1, Uquad_t);
-		    s += sizeof(Uquad_t);
-		}
-		sv = NEWSV(43, 0);
-		if (auquad <= UV_MAX)
-		    sv_setuv(sv, (UV)auquad);
-		else
-		    sv_setnv(sv, (NV)auquad);
-		PUSHs(sv_2mortal(sv));
-	    }
-	    break;
-#endif
-	/* float and double added gnb@melba.bby.oz.au 22/11/89 */
-	case 'f':
-	case 'F':
-	    along = (strend - s) / sizeof(float);
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-		while (len-- > 0) {
-		    Copy(s, &afloat, 1, float);
-		    s += sizeof(float);
-		    cdouble += afloat;
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-		while (len-- > 0) {
-		    Copy(s, &afloat, 1, float);
-		    s += sizeof(float);
-		    sv = NEWSV(47, 0);
-		    sv_setnv(sv, (NV)afloat);
-		    PUSHs(sv_2mortal(sv));
-		}
-	    }
-	    break;
-	case 'd':
-	case 'D':
-	    along = (strend - s) / sizeof(double);
-	    if (len > along)
-		len = along;
-	    if (checksum) {
-		while (len-- > 0) {
-		    Copy(s, &adouble, 1, double);
-		    s += sizeof(double);
-		    cdouble += adouble;
-		}
-	    }
-	    else {
-		EXTEND(SP, len);
-		EXTEND_MORTAL(len);
-		while (len-- > 0) {
-		    Copy(s, &adouble, 1, double);
-		    s += sizeof(double);
-		    sv = NEWSV(48, 0);
-		    sv_setnv(sv, (NV)adouble);
-		    PUSHs(sv_2mortal(sv));
-		}
-	    }
-	    break;
-	case 'u':
-	    /* MKS:
-	     * Initialise the decode mapping.  By using a table driven
-             * algorithm, the code will be character-set independent
-             * (and just as fast as doing character arithmetic)
-             */
-            if (PL_uudmap['M'] == 0) {
-                int i;
-
-                for (i = 0; i < sizeof(PL_uuemap); i += 1)
-                    PL_uudmap[(U8)PL_uuemap[i]] = i;
-                /*
-                 * Because ' ' and '`' map to the same value,
-                 * we need to decode them both the same.
-                 */
-                PL_uudmap[' '] = 0;
-            }
-
-	    along = (strend - s) * 3 / 4;
-	    sv = NEWSV(42, along);
-	    if (along)
-		SvPOK_on(sv);
-	    while (s < strend && *s > ' ' && ISUUCHAR(*s)) {
-		I32 a, b, c, d;
-		char hunk[4];
-
-		hunk[3] = '\0';
-		len = PL_uudmap[*(U8*)s++] & 077;
-		while (len > 0) {
-		    if (s < strend && ISUUCHAR(*s))
-			a = PL_uudmap[*(U8*)s++] & 077;
- 		    else
- 			a = 0;
-		    if (s < strend && ISUUCHAR(*s))
-			b = PL_uudmap[*(U8*)s++] & 077;
- 		    else
- 			b = 0;
-		    if (s < strend && ISUUCHAR(*s))
-			c = PL_uudmap[*(U8*)s++] & 077;
- 		    else
- 			c = 0;
-		    if (s < strend && ISUUCHAR(*s))
-			d = PL_uudmap[*(U8*)s++] & 077;
-		    else
-			d = 0;
-		    hunk[0] = (a << 2) | (b >> 4);
-		    hunk[1] = (b << 4) | (c >> 2);
-		    hunk[2] = (c << 6) | d;
-		    sv_catpvn(sv, hunk, (len > 3) ? 3 : len);
-		    len -= 3;
-		}
-		if (*s == '\n')
-		    s++;
-		else if (s[1] == '\n')		/* possible checksum byte */
-		    s += 2;
-	    }
-	    XPUSHs(sv_2mortal(sv));
-	    break;
-	}
-	if (checksum) {
-	    sv = NEWSV(42, 0);
-	    if (strchr("fFdD", datumtype) ||
-	      (checksum > 32 && strchr("iIlLNU", datumtype)) ) {
-		NV trouble;
-
-		adouble = 1.0;
-		while (checksum >= 16) {
-		    checksum -= 16;
-		    adouble *= 65536.0;
-		}
-		while (checksum >= 4) {
-		    checksum -= 4;
-		    adouble *= 16.0;
-		}
-		while (checksum--)
-		    adouble *= 2.0;
-		along = (1 << checksum) - 1;
-		while (cdouble < 0.0)
-		    cdouble += adouble;
-		cdouble = Perl_modf(cdouble / adouble, &trouble) * adouble;
-		sv_setnv(sv, cdouble);
-	    }
-	    else {
-		if (checksum < 32) {
-		    aulong = (1 << checksum) - 1;
-		    culong &= aulong;
-		}
-		sv_setuv(sv, (UV)culong);
-	    }
-	    XPUSHs(sv_2mortal(sv));
-	    checksum = 0;
-	}
-    }
-    if (SP - PL_stack_base == start_sp_offset && gimme == G_SCALAR)
-	PUSHs(&PL_sv_undef);
-    RETURN;
-}
-
-STATIC void
-S_doencodes(pTHX_ register SV *sv, register char *s, register I32 len)
-{
-    char hunk[5];
-
-    *hunk = PL_uuemap[len];
-    sv_catpvn(sv, hunk, 1);
-    hunk[4] = '\0';
-    while (len > 2) {
-	hunk[0] = PL_uuemap[(077 & (*s >> 2))];
-	hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((s[1] >> 4) & 017)))];
-	hunk[2] = PL_uuemap[(077 & (((s[1] << 2) & 074) | ((s[2] >> 6) & 03)))];
-	hunk[3] = PL_uuemap[(077 & (s[2] & 077))];
-	sv_catpvn(sv, hunk, 4);
-	s += 3;
-	len -= 3;
-    }
-    if (len > 0) {
-	char r = (len > 1 ? s[1] : '\0');
-	hunk[0] = PL_uuemap[(077 & (*s >> 2))];
-	hunk[1] = PL_uuemap[(077 & (((*s << 4) & 060) | ((r >> 4) & 017)))];
-	hunk[2] = PL_uuemap[(077 & ((r << 2) & 074))];
-	hunk[3] = PL_uuemap[0];
-	sv_catpvn(sv, hunk, 4);
-    }
-    sv_catpvn(sv, "\n", 1);
-}
-
-STATIC SV *
-S_is_an_int(pTHX_ char *s, STRLEN l)
-{
-  STRLEN	 n_a;
-  SV             *result = newSVpvn(s, l);
-  char           *result_c = SvPV(result, n_a);	/* convenience */
-  char           *out = result_c;
-  bool            skip = 1;
-  bool            ignore = 0;
-
-  while (*s) {
-    switch (*s) {
-    case ' ':
-      break;
-    case '+':
-      if (!skip) {
-	SvREFCNT_dec(result);
-	return (NULL);
-      }
-      break;
-    case '0':
-    case '1':
-    case '2':
-    case '3':
-    case '4':
-    case '5':
-    case '6':
-    case '7':
-    case '8':
-    case '9':
-      skip = 0;
-      if (!ignore) {
-	*(out++) = *s;
-      }
-      break;
-    case '.':
-      ignore = 1;
-      break;
-    default:
-      SvREFCNT_dec(result);
-      return (NULL);
-    }
-    s++;
-  }
-  *(out++) = '\0';
-  SvCUR_set(result, out - result_c);
-  return (result);
-}
-
-/* pnum must be '\0' terminated */
-STATIC int
-S_div128(pTHX_ SV *pnum, bool *done)
-{
-  STRLEN          len;
-  char           *s = SvPV(pnum, len);
-  int             m = 0;
-  int             r = 0;
-  char           *t = s;
-
-  *done = 1;
-  while (*t) {
-    int             i;
-
-    i = m * 10 + (*t - '0');
-    m = i & 0x7F;
-    r = (i >> 7);		/* r < 10 */
-    if (r) {
-      *done = 0;
-    }
-    *(t++) = '0' + r;
-  }
-  *(t++) = '\0';
-  SvCUR_set(pnum, (STRLEN) (t - s));
-  return (m);
-}
-
-
-PP(pp_pack)
-{
-    dSP; dMARK; dORIGMARK; dTARGET;
-    register SV *cat = TARG;
-    register I32 items;
-    STRLEN fromlen;
-    register char *pat = SvPVx(*++MARK, fromlen);
-    char *patcopy;
-    register char *patend = pat + fromlen;
-    register I32 len;
-    I32 datumtype;
-    SV *fromstr;
-    /*SUPPRESS 442*/
-    static char null10[] = {0,0,0,0,0,0,0,0,0,0};
-    static char *space10 = "          ";
-
-    /* These must not be in registers: */
-    char achar;
-    I16 ashort;
-    int aint;
-    unsigned int auint;
-    I32 along;
-    U32 aulong;
-#ifdef HAS_QUAD
-    Quad_t aquad;
-    Uquad_t auquad;
-#endif
-    char *aptr;
-    float afloat;
-    double adouble;
-    int commas = 0;
-#ifdef PERL_NATINT_PACK
-    int natint;		/* native integer */
-#endif
-
-    items = SP - MARK;
-    MARK++;
-    sv_setpvn(cat, "", 0);
-    patcopy = pat;
-    while (pat < patend) {
-	SV *lengthcode = Nullsv;
-#define NEXTFROM ( lengthcode ? lengthcode : items-- > 0 ? *MARK++ : &PL_sv_no)
-	datumtype = *pat++ & 0xFF;
-#ifdef PERL_NATINT_PACK
-	natint = 0;
-#endif
-	if (isSPACE(datumtype)) {
-	    patcopy++;
-	    continue;
-        }
-#ifndef PACKED_IS_OCTETS
-	if (datumtype == 'U' && pat == patcopy+1)
-	    SvUTF8_on(cat);
-#endif
-	if (datumtype == '#') {
-	    while (pat < patend && *pat != '\n')
-		pat++;
-	    continue;
-	}
-        if (*pat == '!') {
-	    char *natstr = "sSiIlL";
-
-	    if (strchr(natstr, datumtype)) {
-#ifdef PERL_NATINT_PACK
-		natint = 1;
-#endif
-		pat++;
-	    }
-	    else
-		DIE(aTHX_ "'!' allowed only after types %s", natstr);
-	}
-	if (*pat == '*') {
-	    len = strchr("@Xxu", datumtype) ? 0 : items;
-	    pat++;
-	}
-	else if (isDIGIT(*pat)) {
-	    len = *pat++ - '0';
-	    while (isDIGIT(*pat)) {
-		len = (len * 10) + (*pat++ - '0');
-		if (len < 0)
-		    DIE(aTHX_ "Repeat count in pack overflows");
-	    }
-	}
-	else
-	    len = 1;
-	if (*pat == '/') {
-	    ++pat;
-	    if ((*pat != 'a' && *pat != 'A' && *pat != 'Z') || pat[1] != '*')
-		DIE(aTHX_ "/ must be followed by a*, A* or Z*");
-	    lengthcode = sv_2mortal(newSViv(sv_len(items > 0
-						   ? *MARK : &PL_sv_no)
-                                            + (*pat == 'Z' ? 1 : 0)));
-	}
-	switch(datumtype) {
-	default:
-	    DIE(aTHX_ "Invalid type in pack: '%c'", (int)datumtype);
-	case ',': /* grandfather in commas but with a warning */
-	    if (commas++ == 0 && ckWARN(WARN_PACK))
-		Perl_warner(aTHX_ WARN_PACK,
-			    "Invalid type in pack: '%c'", (int)datumtype);
-	    break;
-	case '%':
-	    DIE(aTHX_ "%% may only be used in unpack");
-	case '@':
-	    len -= SvCUR(cat);
-	    if (len > 0)
-		goto grow;
-	    len = -len;
-	    if (len > 0)
-		goto shrink;
-	    break;
-	case 'X':
-	  shrink:
-	    if (SvCUR(cat) < len)
-		DIE(aTHX_ "X outside of string");
-	    SvCUR(cat) -= len;
-	    *SvEND(cat) = '\0';
-	    break;
-	case 'x':
-	  grow:
-	    while (len >= 10) {
-		sv_catpvn(cat, null10, 10);
-		len -= 10;
-	    }
-	    sv_catpvn(cat, null10, len);
-	    break;
-	case 'A':
-	case 'Z':
-	case 'a':
-	    fromstr = NEXTFROM;
-	    aptr = SvPV(fromstr, fromlen);
-	    if (pat[-1] == '*') {
-		len = fromlen;
-		if (datumtype == 'Z')
-		    ++len;
-	    }
-	    if (fromlen >= len) {
-		sv_catpvn(cat, aptr, len);
-		if (datumtype == 'Z')
-		    *(SvEND(cat)-1) = '\0';
-	    }
-	    else {
-		sv_catpvn(cat, aptr, fromlen);
-		len -= fromlen;
-		if (datumtype == 'A') {
-		    while (len >= 10) {
-			sv_catpvn(cat, space10, 10);
-			len -= 10;
-		    }
-		    sv_catpvn(cat, space10, len);
-		}
-		else {
-		    while (len >= 10) {
-			sv_catpvn(cat, null10, 10);
-			len -= 10;
-		    }
-		    sv_catpvn(cat, null10, len);
-		}
-	    }
-	    break;
-	case 'B':
-	case 'b':
-	    {
-		register char *str;
-		I32 saveitems;
-
-		fromstr = NEXTFROM;
-		saveitems = items;
-		str = SvPV(fromstr, fromlen);
-		if (pat[-1] == '*')
-		    len = fromlen;
-		aint = SvCUR(cat);
-		SvCUR(cat) += (len+7)/8;
-		SvGROW(cat, SvCUR(cat) + 1);
-		aptr = SvPVX(cat) + aint;
-		if (len > fromlen)
-		    len = fromlen;
-		aint = len;
-		items = 0;
-		if (datumtype == 'B') {
-		    for (len = 0; len++ < aint;) {
-			items |= *str++ & 1;
-			if (len & 7)
-			    items <<= 1;
-			else {
-			    *aptr++ = items & 0xff;
-			    items = 0;
-			}
-		    }
-		}
-		else {
-		    for (len = 0; len++ < aint;) {
-			if (*str++ & 1)
-			    items |= 128;
-			if (len & 7)
-			    items >>= 1;
-			else {
-			    *aptr++ = items & 0xff;
-			    items = 0;
-			}
-		    }
-		}
-		if (aint & 7) {
-		    if (datumtype == 'B')
-			items <<= 7 - (aint & 7);
-		    else
-			items >>= 7 - (aint & 7);
-		    *aptr++ = items & 0xff;
-		}
-		str = SvPVX(cat) + SvCUR(cat);
-		while (aptr <= str)
-		    *aptr++ = '\0';
-
-		items = saveitems;
-	    }
-	    break;
-	case 'H':
-	case 'h':
-	    {
-		register char *str;
-		I32 saveitems;
-
-		fromstr = NEXTFROM;
-		saveitems = items;
-		str = SvPV(fromstr, fromlen);
-		if (pat[-1] == '*')
-		    len = fromlen;
-		aint = SvCUR(cat);
-		SvCUR(cat) += (len+1)/2;
-		SvGROW(cat, SvCUR(cat) + 1);
-		aptr = SvPVX(cat) + aint;
-		if (len > fromlen)
-		    len = fromlen;
-		aint = len;
-		items = 0;
-		if (datumtype == 'H') {
-		    for (len = 0; len++ < aint;) {
-			if (isALPHA(*str))
-			    items |= ((*str++ & 15) + 9) & 15;
-			else
-			    items |= *str++ & 15;
-			if (len & 1)
-			    items <<= 4;
-			else {
-			    *aptr++ = items & 0xff;
-			    items = 0;
-			}
-		    }
-		}
-		else {
-		    for (len = 0; len++ < aint;) {
-			if (isALPHA(*str))
-			    items |= (((*str++ & 15) + 9) & 15) << 4;
-			else
-			    items |= (*str++ & 15) << 4;
-			if (len & 1)
-			    items >>= 4;
-			else {
-			    *aptr++ = items & 0xff;
-			    items = 0;
-			}
-		    }
-		}
-		if (aint & 1)
-		    *aptr++ = items & 0xff;
-		str = SvPVX(cat) + SvCUR(cat);
-		while (aptr <= str)
-		    *aptr++ = '\0';
-
-		items = saveitems;
-	    }
-	    break;
-	case 'C':
-	case 'c':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		switch (datumtype) {
-		case 'C':
-		    aint = SvIV(fromstr);
-		    if ((aint < 0 || aint > 255) &&
-			ckWARN(WARN_PACK))
-		        Perl_warner(aTHX_ WARN_PACK,
-				    "Character in \"C\" format wrapped");
-		    achar = aint & 255;
-		    sv_catpvn(cat, &achar, sizeof(char));
-		    break;
-		case 'c':
-		    aint = SvIV(fromstr);
-		    if ((aint < -128 || aint > 127) &&
-			ckWARN(WARN_PACK))
-		        Perl_warner(aTHX_ WARN_PACK,
-				    "Character in \"c\" format wrapped");
-		    achar = aint & 255;
-		    sv_catpvn(cat, &achar, sizeof(char));
-		    break;
-		}
-	    }
-	    break;
-	case 'U':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		auint = SvUV(fromstr);
-		SvGROW(cat, SvCUR(cat) + UTF8_MAXLEN + 1);
-		SvCUR_set(cat, (char*)uvchr_to_utf8((U8*)SvEND(cat),auint)
-			       - SvPVX(cat));
-	    }
-	    *SvEND(cat) = '\0';
-	    break;
-	/* Float and double added by gnb@melba.bby.oz.au  22/11/89 */
-	case 'f':
-	case 'F':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		afloat = (float)SvNV(fromstr);
-		sv_catpvn(cat, (char *)&afloat, sizeof (float));
-	    }
-	    break;
-	case 'd':
-	case 'D':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		adouble = (double)SvNV(fromstr);
-		sv_catpvn(cat, (char *)&adouble, sizeof (double));
-	    }
-	    break;
-	case 'n':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		ashort = (I16)SvIV(fromstr);
-#ifdef HAS_HTONS
-		ashort = PerlSock_htons(ashort);
-#endif
-		CAT16(cat, &ashort);
-	    }
-	    break;
-	case 'v':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		ashort = (I16)SvIV(fromstr);
-#ifdef HAS_HTOVS
-		ashort = htovs(ashort);
-#endif
-		CAT16(cat, &ashort);
-	    }
-	    break;
-	case 'S':
-#if SHORTSIZE != SIZE16
-	    if (natint) {
-		unsigned short aushort;
-
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    aushort = SvUV(fromstr);
-		    sv_catpvn(cat, (char *)&aushort, sizeof(unsigned short));
-		}
-	    }
-	    else
-#endif
-            {
-		U16 aushort;
-
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    aushort = (U16)SvUV(fromstr);
-		    CAT16(cat, &aushort);
-		}
-
-	    }
-	    break;
-	case 's':
-#if SHORTSIZE != SIZE16
-	    if (natint) {
-		short ashort;
-
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    ashort = SvIV(fromstr);
-		    sv_catpvn(cat, (char *)&ashort, sizeof(short));
-		}
-	    }
-	    else
-#endif
-            {
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    ashort = (I16)SvIV(fromstr);
-		    CAT16(cat, &ashort);
-		}
-	    }
-	    break;
-	case 'I':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		auint = SvUV(fromstr);
-		sv_catpvn(cat, (char*)&auint, sizeof(unsigned int));
-	    }
-	    break;
-	case 'w':
-            while (len-- > 0) {
-		fromstr = NEXTFROM;
-		adouble = Perl_floor(SvNV(fromstr));
-
-		if (adouble < 0)
-		    DIE(aTHX_ "Cannot compress negative numbers");
-
-		if (
-#if UVSIZE > 4 && UVSIZE >= NVSIZE
-		    adouble <= 0xffffffff
-#else
-#   ifdef CXUX_BROKEN_CONSTANT_CONVERT
-		    adouble <= UV_MAX_cxux
-#   else
-		    adouble <= UV_MAX
-#   endif
-#endif
-		    )
-		{
-		    char   buf[1 + sizeof(UV)];
-		    char  *in = buf + sizeof(buf);
-		    UV     auv = U_V(adouble);
-
-		    do {
-			*--in = (auv & 0x7f) | 0x80;
-			auv >>= 7;
-		    } while (auv);
-		    buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
-		    sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
-		}
-		else if (SvPOKp(fromstr)) {  /* decimal string arithmetics */
-		    char           *from, *result, *in;
-		    SV             *norm;
-		    STRLEN          len;
-		    bool            done;
-
-		    /* Copy string and check for compliance */
-		    from = SvPV(fromstr, len);
-		    if ((norm = is_an_int(from, len)) == NULL)
-			DIE(aTHX_ "can compress only unsigned integer");
-
-		    New('w', result, len, char);
-		    in = result + len;
-		    done = FALSE;
-		    while (!done)
-			*--in = div128(norm, &done) | 0x80;
-		    result[len - 1] &= 0x7F; /* clear continue bit */
-		    sv_catpvn(cat, in, (result + len) - in);
-		    Safefree(result);
-		    SvREFCNT_dec(norm);	/* free norm */
-                }
-		else if (SvNOKp(fromstr)) {
-		    char   buf[sizeof(double) * 2];	/* 8/7 <= 2 */
-		    char  *in = buf + sizeof(buf);
-
-		    do {
-			double next = floor(adouble / 128);
-			*--in = (unsigned char)(adouble - (next * 128)) | 0x80;
-			if (in <= buf)  /* this cannot happen ;-) */
-			    DIE(aTHX_ "Cannot compress integer");
-			in--;
-			adouble = next;
-		    } while (adouble > 0);
-		    buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
-		    sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
-		}
-		else
-		    DIE(aTHX_ "Cannot compress non integer");
-	    }
-            break;
-	case 'i':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		aint = SvIV(fromstr);
-		sv_catpvn(cat, (char*)&aint, sizeof(int));
-	    }
-	    break;
-	case 'N':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		aulong = SvUV(fromstr);
-#ifdef HAS_HTONL
-		aulong = PerlSock_htonl(aulong);
-#endif
-		CAT32(cat, &aulong);
-	    }
-	    break;
-	case 'V':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		aulong = SvUV(fromstr);
-#ifdef HAS_HTOVL
-		aulong = htovl(aulong);
-#endif
-		CAT32(cat, &aulong);
-	    }
-	    break;
-	case 'L':
-#if LONGSIZE != SIZE32
-	    if (natint) {
-		unsigned long aulong;
-
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    aulong = SvUV(fromstr);
-		    sv_catpvn(cat, (char *)&aulong, sizeof(unsigned long));
-		}
-	    }
-	    else
-#endif
-            {
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    aulong = SvUV(fromstr);
-		    CAT32(cat, &aulong);
-		}
-	    }
-	    break;
-	case 'l':
-#if LONGSIZE != SIZE32
-	    if (natint) {
-		long along;
-
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    along = SvIV(fromstr);
-		    sv_catpvn(cat, (char *)&along, sizeof(long));
-		}
-	    }
-	    else
-#endif
-            {
-		while (len-- > 0) {
-		    fromstr = NEXTFROM;
-		    along = SvIV(fromstr);
-		    CAT32(cat, &along);
-		}
-	    }
-	    break;
-#ifdef HAS_QUAD
-	case 'Q':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		auquad = (Uquad_t)SvUV(fromstr);
-		sv_catpvn(cat, (char*)&auquad, sizeof(Uquad_t));
-	    }
-	    break;
-	case 'q':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		aquad = (Quad_t)SvIV(fromstr);
-		sv_catpvn(cat, (char*)&aquad, sizeof(Quad_t));
-	    }
-	    break;
-#endif
-	case 'P':
-	    len = 1;		/* assume SV is correct length */
-	    /* FALL THROUGH */
-	case 'p':
-	    while (len-- > 0) {
-		fromstr = NEXTFROM;
-		if (fromstr == &PL_sv_undef)
-		    aptr = NULL;
-		else {
-		    STRLEN n_a;
-		    /* XXX better yet, could spirit away the string to
-		     * a safe spot and hang on to it until the result
-		     * of pack() (and all copies of the result) are
-		     * gone.
-		     */
-		    if (ckWARN(WARN_PACK) && (SvTEMP(fromstr)
-						|| (SvPADTMP(fromstr)
-						    && !SvREADONLY(fromstr))))
-		    {
-			Perl_warner(aTHX_ WARN_PACK,
-				"Attempt to pack pointer to temporary value");
-		    }
-		    if (SvPOK(fromstr) || SvNIOK(fromstr))
-			aptr = SvPV(fromstr,n_a);
-		    else
-			aptr = SvPV_force(fromstr,n_a);
-		}
-		sv_catpvn(cat, (char*)&aptr, sizeof(char*));
-	    }
-	    break;
-	case 'u':
-	    fromstr = NEXTFROM;
-	    aptr = SvPV(fromstr, fromlen);
-	    SvGROW(cat, fromlen * 4 / 3);
-	    if (len <= 1)
-		len = 45;
-	    else
-		len = len / 3 * 3;
-	    while (fromlen > 0) {
-		I32 todo;
-
-		if (fromlen > len)
-		    todo = len;
-		else
-		    todo = fromlen;
-		doencodes(cat, aptr, todo);
-		fromlen -= todo;
-		aptr += todo;
-	    }
-	    break;
-	}
-    }
-    SvSETMAGIC(cat);
-    SP = ORIGMARK;
-    PUSHs(cat);
-    RETURN;
-}
-#undef NEXTFROM
-
-
 PP(pp_split)
 {
     dSP; dTARG;