Cleaning up x2p directory

Message-ID: <20051104211355.GB12651@petdance.com>

p4raw-id: //depot/perl@26033

12 files changed, 22 insertions, 370 deletions

diff --git a/x2p/EXTERN.h b/x2p/EXTERN.h
index 59eb166ad0..c82736e5fc 100644
--- a/x2p/EXTERN.h
+++ b/x2p/EXTERN.h
@@ -1,11 +1,9 @@
-/* $RCSfile: EXTERN.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:05 $
+/*    EXTERN.h
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	EXTERN.h,v $
  */
 
 #undef EXT
diff --git a/x2p/INTERN.h b/x2p/INTERN.h
index d1dcd06fb9..539e915069 100644
--- a/x2p/INTERN.h
+++ b/x2p/INTERN.h
@@ -1,11 +1,9 @@
-/* $RCSfile: INTERN.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:06 $
+/*    INTERN.h
  *
  *    Copyright (C) 1993, 1994, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	INTERN.h,v $
  */
 
 #undef EXT
diff --git a/x2p/a2p.h b/x2p/a2p.h
index 1f3c9f692d..92a2bd89c6 100644
--- a/x2p/a2p.h
+++ b/x2p/a2p.h
@@ -1,12 +1,10 @@
-/* $RCSfile: a2p.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:09 $
+/*    a2p.h
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
  *    2000, 2001, 2002, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	a2p.h,v $
  */
 
 #define VOIDUSED 1
@@ -363,11 +361,7 @@ typedef struct htbl HASH;
 EXT char *Yes INIT("1");
 EXT char *No INIT("");
 
-#define str_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 )))
-
-#define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%"NVgf")",Str->str_nval),buf) : "" )))
 #define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
-#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(Str)))
 EXT STR *Str;
 
 #define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
diff --git a/x2p/a2py.c b/x2p/a2py.c
index 1c7fd0ac96..df0a55cb21 100644
--- a/x2p/a2py.c
+++ b/x2p/a2py.c
@@ -1,12 +1,10 @@
-/* $RCSfile: a2py.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:14 $
+/*    a2py.c
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
  *    2000, 2001, 2002, by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	a2py.c,v $
  */
 
 #if defined(OS2) || defined(WIN32) || defined(NETWARE)
diff --git a/x2p/hash.c b/x2p/hash.c
index 07936f8c4e..8c218b69e5 100644
--- a/x2p/hash.c
+++ b/x2p/hash.c
@@ -1,12 +1,10 @@
-/* $RCSfile: hash.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:20 $
+/*    hash.c
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000, 2001, 2002,
- *    by Larry Wall and others
+ *    2005 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	hash.c,v $
  */
 
 #include <stdio.h>
@@ -92,48 +90,10 @@ hstore(register HASH *tb, char *key, STR *val)
     return FALSE;
 }
 
-#ifdef NOTUSED
-bool
-hdelete(register HASH *tb, char *key)
-{
-    register char *s;
-    register int i;
-    register int hash;
-    register HENT *entry;
-    register HENT **oentry;
-
-    if (!tb)
-	return FALSE;
-    for (s=key,		i=0,	hash = 0;
-      /* while */ *s;
-	 s++,		i++,	hash *= 5) {
-	hash += *s * coeff[i];
-    }
-
-    oentry = &(tb->tbl_array[hash & tb->tbl_max]);
-    entry = *oentry;
-    i = 1;
-    for (; entry; i=0, oentry = &entry->hent_next, entry = entry->hent_next) {
-	if (entry->hent_hash != hash)		/* strings can't be equal */
-	    continue;
-	if (strNE(entry->hent_key,key))	/* is this it? */
-	    continue;
-	safefree((char*)entry->hent_val);
-	safefree(entry->hent_key);
-	*oentry = entry->hent_next;
-	safefree((char*)entry);
-	if (i)
-	    tb->tbl_fill--;
-	return TRUE;
-    }
-    return FALSE;
-}
-#endif
-
 void
 hsplit(HASH *tb)
 {
-    int oldsize = tb->tbl_max + 1;
+    const int oldsize = tb->tbl_max + 1;
     register int newsize = oldsize * 2;
     register int i;
     register HENT **a;
@@ -180,16 +140,6 @@ hnew(void)
     return tb;
 }
 
-#ifdef NOTUSED
-hshow(register HASH *tb)
-{
-    fprintf(stderr,"%5d %4d (%2d%%)\n",
-	tb->tbl_max+1,
-	tb->tbl_fill,
-	tb->tbl_fill * 100 / (tb->tbl_max+1));
-}
-#endif
-
 int
 hiterinit(register HASH *tb)
 {
@@ -197,38 +147,3 @@ hiterinit(register HASH *tb)
     tb->tbl_eiter = Null(HENT*);
     return tb->tbl_fill;
 }
-
-HENT *
-hiternext(register HASH *tb)
-{
-    register HENT *entry;
-
-    entry = tb->tbl_eiter;
-    do {
-	if (entry)
-	    entry = entry->hent_next;
-	if (!entry) {
-	    tb->tbl_riter++;
-	    if (tb->tbl_riter > tb->tbl_max) {
-		tb->tbl_riter = -1;
-		break;
-	    }
-	    entry = tb->tbl_array[tb->tbl_riter];
-	}
-    } while (!entry);
-
-    tb->tbl_eiter = entry;
-    return entry;
-}
-
-char *
-hiterkey(register HENT *entry)
-{
-    return entry->hent_key;
-}
-
-STR *
-hiterval(register HENT *entry)
-{
-    return entry->hent_val;
-}
diff --git a/x2p/hash.h b/x2p/hash.h
index bcab1ef4d5..9f9c6d5ff9 100644
--- a/x2p/hash.h
+++ b/x2p/hash.h
@@ -1,18 +1,16 @@
-/* $RCSfile: hash.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:21 $
+/*    hash.h
  *
- *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000,
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000, 2005
  *    by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	hash.h,v $
  */
 
 #define FILLPCT 60		/* don't make greater than 99 */
 
 #ifdef DOINIT
-char coeff[] = {
+char const coeff[] = {
 		61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
 		61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
 		61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
@@ -22,7 +20,7 @@ char coeff[] = {
 		61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1,
 		61,59,53,47,43,41,37,31,29,23,17,13,11,7,3,1};
 #else
-extern char coeff[];
+extern const char coeff[];
 #endif
 
 typedef struct hentry HENT;
@@ -42,12 +40,8 @@ struct htbl {
     HENT	*tbl_eiter;	/* current entry of iterator */
 };
 
-bool hdelete (HASH *tb, char *key);
 STR * hfetch ( HASH *tb, char *key );
 int hiterinit ( HASH *tb );
-char * hiterkey ( HENT *entry );
-HENT * hiternext ( HASH *tb );
-STR * hiterval ( HENT *entry );
 HASH * hnew ( void );
 void hsplit ( HASH *tb );
 bool hstore ( HASH *tb, char *key, STR *val );
diff --git a/x2p/proto.h b/x2p/proto.h
deleted file mode 100644
index 28c3b8c537..0000000000
--- a/x2p/proto.h
+++ /dev/null
@@ -1,8 +0,0 @@
-/*    proto.h
- *
- *    Copyright (C) 1991, 1996, by Larry Wall
- *
- *    You may distribute under the terms of either the GNU General Public
- *    License or the Artistic License, as specified in the README file.
- *
- */
diff --git a/x2p/str.c b/x2p/str.c
index 7cddccbf50..0b1c940167 100644
--- a/x2p/str.c
+++ b/x2p/str.c
@@ -1,12 +1,10 @@
-/* $RCSfile: str.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:26 $
+/*    str.c
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
- *    2001, 2002, by Larry Wall and others
+ *    2001, 2002, 2005 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	str.c,v $
  */
 
 #include "EXTERN.h"
@@ -44,23 +42,6 @@ str_2ptr(register STR *str)
     return str->str_ptr;
 }
 
-double
-str_2num(register STR *str)
-{
-    if (!str)
-	return 0.0;
-    if (str->str_len && str->str_pok)
-	str->str_nval = atof(str->str_ptr);
-    else
-	str->str_nval = 0.0;
-    str->str_nok = 1;
-#ifdef DEBUGGING
-    if (debug & 32)
-	fprintf(stderr,"0x%lx num(%g)\n",(unsigned long)str,str->str_nval);
-#endif
-    return str->str_nval;
-}
-
 void
 str_sset(STR *dstr, register STR *sstr)
 {
@@ -101,19 +82,6 @@ str_set(register STR *str, register char *ptr)
 }
 
 void
-str_chop(register STR *str, register char *ptr)	/* like set but assuming ptr is in str */
-                  
-                   
-{
-    if (!(str->str_pok))
-	str_2ptr(str);
-    str->str_cur -= (ptr - str->str_ptr);
-    memcpy(str->str_ptr, ptr, str->str_cur + 1);
-    str->str_nok = 0;		/* invalidate number */
-    str->str_pok = 1;		/* validate pointer */
-}
-
-void
 str_ncat(register STR *str, register char *ptr, register int len)
 {
     if (!(str->str_pok))
@@ -152,41 +120,6 @@ str_cat(register STR *str, register char *ptr)
     str->str_pok = 1;		/* validate pointer */
 }
 
-char *
-str_append_till(register STR *str, register char *from, register int delim, char *keeplist)
-{
-    register char *to;
-    register int len;
-
-    if (!from)
-	return Nullch;
-    len = strlen(from);
-    GROWSTR(&(str->str_ptr), &(str->str_len), str->str_cur + len + 1);
-    str->str_nok = 0;		/* invalidate number */
-    str->str_pok = 1;		/* validate pointer */
-    to = str->str_ptr+str->str_cur;
-    for (; *from; from++,to++) {
-	if (*from == '\\' && from[1] && delim != '\\') {
-	    if (!keeplist) {
-		if (from[1] == delim || from[1] == '\\')
-		    from++;
-		else
-		    *to++ = *from++;
-	    }
-	    else if (strchr(keeplist,from[1]))
-		*to++ = *from++;
-	    else
-		from++;
-	}
-	else if (*from == delim)
-	    break;
-	*to = *from;
-    }
-    *to = '\0';
-    str->str_cur = to - str->str_ptr;
-    return from;
-}
-
 STR *
 str_new(int len)
 {
@@ -205,29 +138,9 @@ str_new(int len)
     return str;
 }
 
-void
-str_grow(register STR *str, int len)
-{
-    if (len && str)
-	GROWSTR(&(str->str_ptr), &(str->str_len), len + 1);
-}
-
 /* make str point to what nstr did */
 
 void
-str_replace(register STR *str, register STR *nstr)
-{
-    safefree(str->str_ptr);
-    str->str_ptr = nstr->str_ptr;
-    str->str_len = nstr->str_len;
-    str->str_cur = nstr->str_cur;
-    str->str_pok = nstr->str_pok;
-    if ((str->str_nok = nstr->str_nok))
-	str->str_nval = nstr->str_nval;
-    safefree((char*)nstr);
-}
-
-void
 str_free(register STR *str)
 {
     if (!str)
@@ -336,95 +249,6 @@ thats_all_folks:
     return str->str_cur ? str->str_ptr : Nullch;
 }
 
-void
-str_inc(register STR *str)
-{
-    register char *d;
-
-    if (!str)
-	return;
-    if (str->str_nok) {
-	str->str_nval += 1.0;
-	str->str_pok = 0;
-	return;
-    }
-    if (!str->str_pok) {
-	str->str_nval = 1.0;
-	str->str_nok = 1;
-	return;
-    }
-    for (d = str->str_ptr; *d && *d != '.'; d++) ;
-    d--;
-    if (!isDIGIT(*str->str_ptr) || !isDIGIT(*d) ) {
-        str_numset(str,atof(str->str_ptr) + 1.0);  /* punt */
-	return;
-    }
-    while (d >= str->str_ptr) {
-	if (++*d <= '9')
-	    return;
-	*(d--) = '0';
-    }
-    /* oh,oh, the number grew */
-    GROWSTR(&(str->str_ptr), &(str->str_len), str->str_cur + 2);
-    str->str_cur++;
-    for (d = str->str_ptr + str->str_cur; d > str->str_ptr; d--)
-	*d = d[-1];
-    *d = '1';
-}
-
-void
-str_dec(register STR *str)
-{
-    register char *d;
-
-    if (!str)
-	return;
-    if (str->str_nok) {
-	str->str_nval -= 1.0;
-	str->str_pok = 0;
-	return;
-    }
-    if (!str->str_pok) {
-	str->str_nval = -1.0;
-	str->str_nok = 1;
-	return;
-    }
-    for (d = str->str_ptr; *d && *d != '.'; d++) ;
-    d--;
-    if (!isDIGIT(*str->str_ptr) || !isDIGIT(*d) || (*d == '0' && d == str->str_ptr)) {
-        str_numset(str,atof(str->str_ptr) - 1.0);  /* punt */
-	return;
-    }
-    while (d >= str->str_ptr) {
-	if (--*d >= '0')
-	    return;
-	*(d--) = '9';
-    }
-}
-
-/* make a string that will exist for the duration of the expression eval */
-
-STR *
-str_mortal(STR *oldstr)
-{
-    register STR *str = str_new(0);
-    static long tmps_size = -1;
-
-    str_sset(str,oldstr);
-    if (++tmps_max > tmps_size) {
-	tmps_size = tmps_max;
-	if (!(tmps_size & 127)) {
-	    if (tmps_size)
-		tmps_list = (STR**)saferealloc((char*)tmps_list,
-		    (tmps_size + 128) * sizeof(STR*) );
-	    else
-		tmps_list = (STR**)safemalloc(128 * sizeof(char*));
-	}
-    }
-    tmps_list[tmps_max] = str;
-    return str;
-}
-
 STR *
 str_make(char *s)
 {
@@ -434,11 +258,3 @@ str_make(char *s)
     return str;
 }
 
-STR *
-str_nmake(double n)
-{
-    register STR *str = str_new(0);
-
-    str_numset(str,n);
-    return str;
-}
diff --git a/x2p/str.h b/x2p/str.h
index b749be8d58..f5b590b9e9 100644
--- a/x2p/str.h
+++ b/x2p/str.h
@@ -1,12 +1,10 @@
-/* $RCSfile: str.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:27 $
+/*    str.h
  *
- *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000,
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1999, 2000, 2005
  *    by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	str.h,v $
  */
 
 struct string {
@@ -30,25 +28,16 @@ struct string {
 EXT STR **tmps_list;
 EXT long tmps_max INIT(-1);
 
-double str_2num ( STR *str );
 char * str_2ptr ( STR *str );
-char * str_append_till ( STR *str, char *from, int delim, char *keeplist );
 void str_cat ( STR *str, char *ptr );
-void str_chop ( STR *str, char *ptr );
-void str_dec ( STR *str );
 void str_free ( STR *str );
 char * str_gets ( STR *str, FILE *fp );
-void str_grow ( STR *str, int len );
-void str_inc ( STR *str );
 int str_len ( STR *str );
 STR * str_make ( char *s );
-STR * str_mortal ( STR *oldstr );
 void str_ncat ( STR *str, char *ptr, int len );
 STR * str_new ( int len );
-STR * str_nmake ( double n );
 void str_nset ( STR *str, char *ptr, int len );
 void str_numset ( STR *str, double num );
-void str_replace ( STR *str, STR *nstr );
 void str_scat ( STR *dstr, STR *sstr );
 void str_set ( STR *str, char *ptr );
 void str_sset ( STR *dstr, STR *sstr );
diff --git a/x2p/util.c b/x2p/util.c
index 20444decfc..6994e873f7 100644
--- a/x2p/util.c
+++ b/x2p/util.c
@@ -1,12 +1,10 @@
-/* $RCSfile: util.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:29 $
+/*    util.c
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1999,
- *    2000, 2001, by Larry Wall and others
+ *    2000, 2001, 2005 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	util.c,v $
  */
 
 #include "EXTERN.h"
@@ -17,7 +15,7 @@
 #include <stdarg.h>
 #define FLUSH
 
-static char nomem[] = "Out of memory!\n";
+static const char nomem[] = "Out of memory!\n";
 
 /* paranoid version of malloc */
 
@@ -81,19 +79,6 @@ safefree(Malloc_t where)
     free(where);
 }
 
-/* safe version of string copy */
-
-char *
-safecpy(char *to, register char *from, register int len)
-{
-    register char *dest = to;
-
-    if (from != Nullch) 
-	for (len--; len && (*dest++ = *from++); len--) ;
-    *dest = '\0';
-    return to;
-}
-
 /* copy a string up to some (non-backslashed) delimiter, if any */
 
 char *
@@ -156,7 +141,7 @@ instr(char *big, char *little)
 char *
 savestr(char *str)
 {
-    register char *newaddr = (char *) safemalloc((MEM_SIZE)(strlen(str)+1));
+    register char * const newaddr = (char *) safemalloc((MEM_SIZE)(strlen(str)+1));
 
     (void)strcpy(newaddr,str);
     return newaddr;
@@ -177,21 +162,6 @@ growstr(char **strptr, int *curlen, int newlen)
 }
 
 void
-croak(const char *pat,...)
-{
-#if defined(HAS_VPRINTF)
-    va_list args;
-
-    va_start(args, pat);
-    vfprintf(stderr,pat,args);
-    va_end(args);
-#else
-    fprintf(stderr,pat,a1,a2,a3,a4);
-#endif
-    exit(1);
-}
-
-void
 fatal(const char *pat,...)
 {
 #if defined(HAS_VPRINTF)
diff --git a/x2p/util.h b/x2p/util.h
index 8ca913b9a7..74341c2959 100644
--- a/x2p/util.h
+++ b/x2p/util.h
@@ -1,12 +1,10 @@
-/* $RCSfile: util.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:30 $
+/*    util.h
  *
- *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000,
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2005
  *    by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	util.h,v $
  */
 
 /* is the string for makedir a directory name or a filename? */
@@ -24,14 +22,11 @@ char * cpy2 ( char *to, char *from, int delim );
 char * cpytill ( char *to, char *from, int delim );
 void growstr ( char **strptr, int *curlen, int newlen );
 char * instr ( char *big, char *little );
-char * safecpy ( char *to, char *from, int len );
 char * savestr ( char *str );
-void croak ( const char *pat, ... );
 void fatal ( const char *pat, ... );
 void warn  ( const char *pat, ... );
 int prewalk ( int numit, int level, int node, int *numericptr );
 
 Malloc_t safemalloc (MEM_SIZE nbytes);
-Malloc_t safecalloc (MEM_SIZE elements, MEM_SIZE size);
 Malloc_t saferealloc (Malloc_t where, MEM_SIZE nbytes);
 Free_t   safefree (Malloc_t where);
diff --git a/x2p/walk.c b/x2p/walk.c
index 65015ac2e6..de1263fc16 100644
--- a/x2p/walk.c
+++ b/x2p/walk.c
@@ -1,12 +1,10 @@
-/* $RCSfile: walk.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:31 $
+/*    walk.c
  *
  *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999,
  *    2000, 2001, 2002, 2005 by Larry Wall and others
  *
  *    You may distribute under the terms of either the GNU General Public
  *    License or the Artistic License, as specified in the README file.
- *
- * $Log:	walk.c,v $
  */
 
 #include "EXTERN.h"
@@ -43,11 +41,6 @@ char *instr(char *big, char *little);
 
 STR *
 walk(int useval, int level, register int node, int *numericptr, int minprec)
-           
-          
-                  
-                
-            			/* minimum precedence without parens */
 {
     register int len;
     register STR *str;