[perl5.git] / perl.h

/* $Header: perl.h,v 3.0.1.3 89/11/17 15:28:57 lwall Locked $
 *
 *    Copyright (c) 1989, Larry Wall
 *
 *    You may distribute under the terms of the GNU General Public License
 *    as specified in the README file that comes with the perl 3.0 kit.
 *
 * $Log:	perl.h,v $
 * Revision 3.0.1.3  89/11/17  15:28:57  lwall
 * patch5: byteorder now is a hex value
 * patch5: Configure now looks for <time.h> including <sys/time.h>
 * 
 * Revision 3.0.1.2  89/11/11  04:39:38  lwall
 * patch2: Configure may now set -DDEBUGGING
 * patch2: netinet/in.h needed sys/types.h some places
 * patch2: more <sys/time.h> and <time.h> wrangling
 * patch2: yydebug moved to where type doesn't matter  
 * 
 * Revision 3.0.1.1  89/10/26  23:17:08  lwall
 * patch1: vfork now conditionally defined based on VFORK
 * patch1: DEC risc machines have a buggy memcmp
 * patch1: perl.h now includes <netinet/in.h> if it exists
 * 
 * Revision 3.0  89/10/18  15:21:21  lwall
 * 3.0 baseline
 * 
 */

#define VOIDUSED 1
#include "config.h"

#ifdef IAMSUID
#   ifndef TAINT
#	define TAINT
#   endif
#endif

#ifndef VFORK
#   define vfork fork
#endif

#if defined(MEMCMP) && defined(mips) && BYTEORDER == 0x1234
#undef MEMCMP
#endif

#ifdef MEMCPY
extern char *memcpy(), *memset();
#define bcopy(s1,s2,l) memcpy(s2,s1,l)
#define bzero(s,l) memset(s,0,l)
#endif
#ifndef BCMP		/* prefer bcmp slightly 'cuz it doesn't order */
#define bcmp(s1,s2,l) memcmp(s1,s2,l)
#endif

#include <stdio.h>
#include <ctype.h>
#include <setjmp.h>
#include <sys/param.h>	/* if this needs types.h we're still wrong */

#ifndef _TYPES_		/* If types.h defines this it's easy. */
#ifndef major		/* Does everyone's types.h define this? */
#include <sys/types.h>
#endif
#endif

#ifdef I_NETINET_IN
#include <netinet/in.h>
#endif

#include <sys/stat.h>

#if defined(TMINSYS) || defined(I_SYSTIME)
#include <sys/time.h>
#ifdef I_TIMETOO
#include <time.h>
#endif
#else
#include <time.h>
#ifdef I_SYSTIMETOO
#include <time.h>
#endif
#endif

#include <sys/times.h>

#ifdef I_SYSIOCTL
#ifndef _IOCTL_
#include <sys/ioctl.h>
#endif
#endif

#if defined(mc300) || defined(mc500) || defined(mc700)	/* MASSCOMP */
#ifdef SOCKETPAIR
#undef SOCKETPAIR
#endif
#ifdef NDBM
#undef NDBM
#endif
#endif

#ifdef NDBM
#include <ndbm.h>
#define SOME_DBM
#ifdef ODBM
#undef ODBM
#endif
#else
#ifdef ODBM
#ifdef NULL
#undef NULL		/* suppress redefinition message */
#endif
#include <dbm.h>
#ifdef NULL
#undef NULL
#endif
#define NULL 0		/* silly thing is, we don't even use this */
#define SOME_DBM
#define dbm_fetch(db,dkey) fetch(dkey)
#define dbm_delete(db,dkey) delete(dkey)
#define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent)
#define dbm_close(db) dbmclose()
#define dbm_firstkey(db) firstkey()
#endif /* ODBM */
#endif /* NDBM */
#ifdef SOME_DBM
EXT char *dbmkey;
EXT int dbmlen;
#endif

#if INTSIZE == 2
#define htoni htons
#define ntohi ntohs
#else
#define htoni htonl
#define ntohi ntohl
#endif

#ifdef I_DIRENT
#include <dirent.h>
#define DIRENT dirent
#else
#ifdef I_SYSDIR
#ifdef hp9000s500
#include <ndir.h>	/* may be wrong in the future */
#else
#include <sys/dir.h>
#endif
#define DIRENT direct
#endif
#endif

typedef struct arg ARG;
typedef struct cmd CMD;
typedef struct formcmd FCMD;
typedef struct scanpat SPAT;
typedef struct stio STIO;
typedef struct sub SUBR;
typedef struct string STR;
typedef struct atbl ARRAY;
typedef struct htbl HASH;
typedef struct regexp REGEXP;
typedef struct stabptrs STBP;
typedef struct stab STAB;

#include "handy.h"
#include "regexp.h"
#include "str.h"
#include "util.h"
#include "form.h"
#include "stab.h"
#include "spat.h"
#include "arg.h"
#include "cmd.h"
#include "array.h"
#include "hash.h"

#if defined(iAPX286) || defined(M_I286) || defined(I80286)
#   define I286
#endif

#ifndef	__STDC__
#ifdef CHARSPRINTF
    char *sprintf();
#else
    int sprintf();
#endif
#endif

EXT char *Yes INIT("1");
EXT char *No INIT("");

/* "gimme" values */

/* Note: cmd.c assumes that it can use && to produce one of these values! */
#define G_SCALAR 0
#define G_ARRAY 1

#ifdef CRIPPLED_CC
int str_true();
#else /* !CRIPPLED_CC */
#define str_true(str) (Str = (str), \
	(Str->str_pok ? \
	    ((*Str->str_ptr > '0' || \
	      Str->str_cur > 1 || \
	      (Str->str_cur && *Str->str_ptr != '0')) ? 1 : 0) \
	: \
	    (Str->str_nok ? (Str->str_u.str_nval != 0.0) : 0 ) ))
#endif /* CRIPPLED_CC */

#ifdef DEBUGGING
#define str_peek(str) (Str = (str), \
	(Str->str_pok ? \
	    Str->str_ptr : \
	    (Str->str_nok ? \
		(sprintf(tokenbuf,"num(%g)",Str->str_u.str_nval), \
		    (char*)tokenbuf) : \
		"" )))
#endif

#ifdef CRIPPLED_CC
char *str_get();
#else
#ifdef TAINT
#define str_get(str) (Str = (str), tainted |= Str->str_tainted, \
	(Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
#else
#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
#endif /* TAINT */
#endif /* CRIPPLED_CC */

#ifdef CRIPPLED_CC
double str_gnum();
#else /* !CRIPPLED_CC */
#ifdef TAINT
#define str_gnum(str) (Str = (str), tainted |= Str->str_tainted, \
	(Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
#else /* !TAINT */
#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
#endif /* TAINT*/
#endif /* CRIPPLED_CC */
EXT STR *Str;

#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)

#define STR_GROW(str,len) if ((str)->str_len < (len)) str_grow(str,len)

#ifndef BYTEORDER
#define BYTEORDER 0x1234
#endif

#if defined(htonl) && !defined(HTONL)
#define HTONL
#endif
#if defined(htons) && !defined(HTONS)
#define HTONS
#endif
#if defined(ntohl) && !defined(NTOHL)
#define NTOHL
#endif
#if defined(ntohs) && !defined(NTOHS)
#define NTOHS
#endif
#ifndef HTONL
#if (BYTEORDER != 0x4321) && (BYTEORDER != 0x87654321)
#define HTONS
#define HTONL
#define NTOHS
#define NTOHL
#define MYSWAP
#define htons my_swap
#define htonl my_htonl
#define ntohs my_swap
#define ntohl my_ntohl
#endif
#else
#if (BYTEORDER == 0x4321) || (BYTEORDER == 0x87654321)
#undef HTONS
#undef HTONL
#undef NTOHS
#undef NTOHL
#endif
#endif

CMD *add_label();
CMD *block_head();
CMD *append_line();
CMD *make_acmd();
CMD *make_ccmd();
CMD *make_icmd();
CMD *invert();
CMD *addcond();
CMD *addloop();
CMD *wopt();
CMD *over();

STAB *stabent();
STAB *genstab();

ARG *stab2arg();
ARG *op_new();
ARG *make_op();
ARG *make_match();
ARG *make_split();
ARG *rcatmaybe();
ARG *listish();
ARG *maybelistish();
ARG *localize();
ARG *fixeval();
ARG *jmaybe();
ARG *l();
ARG *fixl();
ARG *mod_match();
ARG *make_list();
ARG *cmd_to_arg();
ARG *addflags();
ARG *hide_ary();
ARG *cval_to_arg();

STR *str_new();
STR *stab_str();

int do_each();
int do_subr();
int do_match();
int do_unpack();
int eval();		/* this evaluates expressions */
int do_eval();		/* this evaluates eval operator */
int do_assign();

SUBR *make_sub();

FCMD *load_format();

char *scanpat();
char *scansubst();
char *scantrans();
char *scanstr();
char *scanreg();
char *str_append_till();
char *str_gets();
char *str_grow();

bool do_open();
bool do_close();
bool do_print();
bool do_aprint();
bool do_exec();
bool do_aexec();

int do_subst();
int cando();
int ingroup();

void str_replace();
void str_inc();
void str_dec();
void str_free();
void stab_clear();
void do_join();
void do_sprintf();
void do_accept();
void do_vecset();
void savelist();
void saveitem();
void saveint();
void savelong();
void savesptr();
void savehptr();
void restorelist();
HASH *savehash();
ARRAY *saveary();

EXT line_t line INIT(0);
EXT line_t subline INIT(0);
EXT STR *subname INIT(Nullstr);
EXT int arybase INIT(0);

struct outrec {
    line_t  o_lines;
    char    *o_str;
    int     o_len;
};

EXT struct outrec outrec;
EXT struct outrec toprec;

EXT STAB *stdinstab INIT(Nullstab);
EXT STAB *last_in_stab INIT(Nullstab);
EXT STAB *defstab INIT(Nullstab);
EXT STAB *argvstab INIT(Nullstab);
EXT STAB *envstab INIT(Nullstab);
EXT STAB *sigstab INIT(Nullstab);
EXT STAB *defoutstab INIT(Nullstab);
EXT STAB *curoutstab INIT(Nullstab);
EXT STAB *argvoutstab INIT(Nullstab);
EXT STAB *incstab INIT(Nullstab);
EXT STAB *leftstab INIT(Nullstab);
EXT STAB *amperstab INIT(Nullstab);
EXT STAB *rightstab INIT(Nullstab);
EXT STAB *DBstab INIT(Nullstab);
EXT STAB *DBsub INIT(Nullstab);

EXT HASH *defstash;		/* main symbol table */
EXT HASH *curstash;		/* symbol table for current package */
EXT HASH *debstash;		/* symbol table for perldb package */

EXT STR *curstname;		/* name of current package */

EXT STR *freestrroot INIT(Nullstr);
EXT STR *lastretstr INIT(Nullstr);
EXT STR *DBsingle INIT(Nullstr);

EXT int lastspbase;
EXT int lastsize;

EXT char *filename;
EXT char *origfilename;
EXT FILE *rsfp;
EXT char buf[1024];
EXT char *bufptr;
EXT char *oldbufptr;
EXT char *oldoldbufptr;
EXT char *bufend;

EXT STR *linestr INIT(Nullstr);

EXT char record_separator INIT('\n');
EXT int rslen INIT(1);
EXT char *ofs INIT(Nullch);
EXT int ofslen INIT(0);
EXT char *ors INIT(Nullch);
EXT int orslen INIT(0);
EXT char *ofmt INIT(Nullch);
EXT char *inplace INIT(Nullch);
EXT char *nointrp INIT("");

EXT bool preprocess INIT(FALSE);
EXT bool minus_n INIT(FALSE);
EXT bool minus_p INIT(FALSE);
EXT bool minus_a INIT(FALSE);
EXT bool doswitches INIT(FALSE);
EXT bool dowarn INIT(FALSE);
EXT bool allstabs INIT(FALSE);	/* init all customary symbols in symbol table?*/
EXT bool sawampersand INIT(FALSE);	/* must save all match strings */
EXT bool sawstudy INIT(FALSE);		/* do fbminstr on all strings */
EXT bool sawi INIT(FALSE);		/* study must assume case insensitive */
EXT bool sawvec INIT(FALSE);

#ifdef CSH
char *cshname INIT(CSH);
int cshlen INIT(0);
#endif /* CSH */

#ifdef TAINT
EXT bool tainted INIT(FALSE);		/* using variables controlled by $< */
#endif

#define TMPPATH "/tmp/perl-eXXXXXX"
EXT char *e_tmpname;
EXT FILE *e_fp INIT(Nullfp);

EXT char tokenbuf[256];
EXT int expectterm INIT(TRUE);		/* how to interpret ambiguous tokens */
EXT int in_eval INIT(FALSE);		/* trap fatal errors? */
EXT int multiline INIT(0);		/* $*--do strings hold >1 line? */
EXT int forkprocess;			/* so do_open |- can return proc# */
EXT int do_undump INIT(0);		/* -u or dump seen? */
EXT int error_count INIT(0);		/* how many errors so far, max 10 */
EXT int multi_start INIT(0);		/* 1st line of multi-line string */
EXT int multi_end INIT(0);		/* last line of multi-line string */
EXT int multi_open INIT(0);		/* delimiter of said string */
EXT int multi_close INIT(0);		/* delimiter of said string */

FILE *popen();
/* char *str_get(); */
STR *interp();
void free_arg();
STIO *stio_new();

EXT struct stat statbuf;
EXT struct stat statcache;
STAB *statstab INIT(Nullstab);
STR *statname;
EXT struct tms timesbuf;
EXT int uid;
EXT int euid;
EXT int gid;
EXT int egid;
UIDTYPE getuid();
UIDTYPE geteuid();
GIDTYPE getgid();
GIDTYPE getegid();
EXT int unsafe;

#ifdef DEBUGGING
EXT int debug INIT(0);
EXT int dlevel INIT(0);
EXT int dlmax INIT(128);
EXT char *debname;
EXT char *debdelim;
#define YYDEBUG 1
#endif
EXT int perldb INIT(0);

EXT line_t cmdline INIT(NOLINE);

EXT STR str_undef;
EXT STR str_no;
EXT STR str_yes;

/* runtime control stuff */

EXT struct loop {
    char *loop_label;		/* what the loop was called, if anything */
    int loop_sp;		/* stack pointer to copy stuff down to */
    jmp_buf loop_env;
} *loop_stack;

EXT int loop_ptr INIT(-1);
EXT int loop_max INIT(128);

EXT jmp_buf top_env;
EXT jmp_buf eval_env;

EXT char *goto_targ INIT(Nullch);	/* cmd_exec gets strange when set */

EXT ARRAY *stack;		/* THE STACK */

EXT ARRAY *savestack;		/* to save non-local values on */

EXT ARRAY *tosave;		/* strings to save on recursive subroutine */

EXT ARRAY *lineary;		/* lines of script for debugger */

EXT ARRAY *pidstatary;		/* keep pids and statuses by fd for mypopen */

double atof();
long time();
struct tm *gmtime(), *localtime();
char *mktemp();
char *index(), *rindex();
char *strcpy(), *strcat();

#ifdef EUNICE
#define UNLINK unlnk
int unlnk();
#else
#define UNLINK unlink
#endif

#ifndef SETREUID
#ifdef SETRESUID
#define setreuid(r,e) setresuid(r,e,-1)
#define SETREUID
#endif
#endif
#ifndef SETREGID
#ifdef SETRESGID
#define setregid(r,e) setresgid(r,e,-1)
#define SETREGID
#endif
#endif
Commit	Line	Data
ffed7fef	1	/* $Header: perl.h,v 3.0.1.3 89/11/17 15:28:57 lwall Locked $
a687059c LW	2	*
	3	* Copyright (c) 1989, Larry Wall
	4	*
	5	* You may distribute under the terms of the GNU General Public License
	6	* as specified in the README file that comes with the perl 3.0 kit.
8d063cd8 LW	7	*
8d063cd8 LW	8	* $Log: perl.h,v $
ffed7fef LW	9	* Revision 3.0.1.3 89/11/17 15:28:57 lwall
	10	* patch5: byteorder now is a hex value
	11	* patch5: Configure now looks for <time.h> including <sys/time.h>
	12	*
ae986130 LW	13	* Revision 3.0.1.2 89/11/11 04:39:38 lwall
	14	* patch2: Configure may now set -DDEBUGGING
	15	* patch2: netinet/in.h needed sys/types.h some places
	16	* patch2: more <sys/time.h> and <time.h> wrangling
	17	* patch2: yydebug moved to where type doesn't matter
	18	*
03a14243 LW	19	* Revision 3.0.1.1 89/10/26 23:17:08 lwall
	20	* patch1: vfork now conditionally defined based on VFORK
	21	* patch1: DEC risc machines have a buggy memcmp
	22	* patch1: perl.h now includes <netinet/in.h> if it exists
	23	*
a687059c LW	24	* Revision 3.0 89/10/18 15:21:21 lwall
a687059c LW	25	* 3.0 baseline
8d063cd8 LW	26	*
	27	*/
	28
8d063cd8 LW	29	#define VOIDUSED 1
	30	#include "config.h"
	31
a687059c LW	32	#ifdef IAMSUID
	33	# ifndef TAINT
	34	# define TAINT
	35	# endif
	36	#endif
	37
03a14243 LW	38	#ifndef VFORK
	39	# define vfork fork
	40	#endif
	41
ffed7fef	42	#if defined(MEMCMP) && defined(mips) && BYTEORDER == 0x1234
03a14243 LW	43	#undef MEMCMP
	44	#endif
	45
378cc40b LW	46	#ifdef MEMCPY
378cc40b LW	47	extern char memcpy(), memset();
a687059c LW	48	#define bcopy(s1,s2,l) memcpy(s2,s1,l)
	49	#define bzero(s,l) memset(s,0,l)
	50	#endif
	51	#ifndef BCMP /* prefer bcmp slightly 'cuz it doesn't order */
	52	#define bcmp(s1,s2,l) memcmp(s1,s2,l)
8d063cd8 LW	53	#endif
	54
	55	#include <stdio.h>
	56	#include <ctype.h>
	57	#include <setjmp.h>
378cc40b LW	58	#include <sys/param.h> /* if this needs types.h we're still wrong */
	59
	60	#ifndef _TYPES_ /* If types.h defines this it's easy. */
	61	#ifndef major /* Does everyone's types.h define this? */
8d063cd8	62	#include <sys/types.h>
378cc40b LW	63	#endif
	64	#endif
	65
ae986130 LW	66	#ifdef I_NETINET_IN
	67	#include <netinet/in.h>
	68	#endif
	69
8d063cd8	70	#include <sys/stat.h>
135863df	71
ae986130	72	#if defined(TMINSYS) \|\| defined(I_SYSTIME)
135863df	73	#include <sys/time.h>
ffed7fef	74	#ifdef I_TIMETOO
8d063cd8	75	#include <time.h>
135863df	76	#endif
ae986130 LW	77	#else
ae986130 LW	78	#include <time.h>
ffed7fef LW	79	#ifdef I_SYSTIMETOO
	80	#include <time.h>
	81	#endif
a687059c	82	#endif
135863df	83
8d063cd8 LW	84	#include <sys/times.h>
8d063cd8 LW	85
a687059c LW	86	#ifdef I_SYSIOCTL
	87	#ifndef _IOCTL_
	88	#include <sys/ioctl.h>
	89	#endif
	90	#endif
	91
	92	#if defined(mc300) \|\| defined(mc500) \|\| defined(mc700) /* MASSCOMP */
	93	#ifdef SOCKETPAIR
	94	#undef SOCKETPAIR
	95	#endif
	96	#ifdef NDBM
	97	#undef NDBM
	98	#endif
	99	#endif
	100
	101	#ifdef NDBM
	102	#include <ndbm.h>
	103	#define SOME_DBM
ae986130 LW	104	#ifdef ODBM
	105	#undef ODBM
	106	#endif
a687059c LW	107	#else
	108	#ifdef ODBM
	109	#ifdef NULL
	110	#undef NULL /* suppress redefinition message */
	111	#endif
	112	#include <dbm.h>
	113	#ifdef NULL
	114	#undef NULL
	115	#endif
	116	#define NULL 0 /* silly thing is, we don't even use this */
	117	#define SOME_DBM
	118	#define dbm_fetch(db,dkey) fetch(dkey)
	119	#define dbm_delete(db,dkey) delete(dkey)
	120	#define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent)
	121	#define dbm_close(db) dbmclose()
	122	#define dbm_firstkey(db) firstkey()
	123	#endif /* ODBM */
	124	#endif /* NDBM */
	125	#ifdef SOME_DBM
	126	EXT char *dbmkey;
	127	EXT int dbmlen;
	128	#endif
	129
	130	#if INTSIZE == 2
	131	#define htoni htons
	132	#define ntohi ntohs
	133	#else
	134	#define htoni htonl
	135	#define ntohi ntohl
	136	#endif
	137
	138	#ifdef I_DIRENT
	139	#include <dirent.h>
	140	#define DIRENT dirent
	141	#else
	142	#ifdef I_SYSDIR
ae986130 LW	143	#ifdef hp9000s500
	144	#include <ndir.h> /* may be wrong in the future */
	145	#else
a687059c	146	#include <sys/dir.h>
ae986130	147	#endif
a687059c LW	148	#define DIRENT direct
	149	#endif
	150	#endif
	151
8d063cd8 LW	152	typedef struct arg ARG;
	153	typedef struct cmd CMD;
	154	typedef struct formcmd FCMD;
	155	typedef struct scanpat SPAT;
8d063cd8	156	typedef struct stio STIO;
378cc40b	157	typedef struct sub SUBR;
8d063cd8 LW	158	typedef struct string STR;
	159	typedef struct atbl ARRAY;
	160	typedef struct htbl HASH;
378cc40b	161	typedef struct regexp REGEXP;
a687059c LW	162	typedef struct stabptrs STBP;
a687059c LW	163	typedef struct stab STAB;
8d063cd8	164
378cc40b LW	165	#include "handy.h"
378cc40b LW	166	#include "regexp.h"
8d063cd8	167	#include "str.h"
378cc40b	168	#include "util.h"
8d063cd8 LW	169	#include "form.h"
	170	#include "stab.h"
	171	#include "spat.h"
	172	#include "arg.h"
	173	#include "cmd.h"
	174	#include "array.h"
	175	#include "hash.h"
	176
a687059c LW	177	#if defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286)
	178	# define I286
	179	#endif
	180
	181	#ifndef __STDC__
135863df AB	182	#ifdef CHARSPRINTF
	183	char *sprintf();
	184	#else
	185	int sprintf();
	186	#endif
a687059c	187	#endif
135863df	188
8d063cd8 LW	189	EXT char *Yes INIT("1");
	190	EXT char *No INIT("");
	191
a687059c LW	192	/* "gimme" values */
	193
	194	/* Note: cmd.c assumes that it can use && to produce one of these values! */
	195	#define G_SCALAR 0
	196	#define G_ARRAY 1
	197
	198	#ifdef CRIPPLED_CC
	199	int str_true();
	200	#else /* !CRIPPLED_CC */
	201	#define str_true(str) (Str = (str), \
	202	(Str->str_pok ? \
	203	((*Str->str_ptr > '0' \|\| \
	204	Str->str_cur > 1 \|\| \
	205	(Str->str_cur && *Str->str_ptr != '0')) ? 1 : 0) \
	206	: \
	207	(Str->str_nok ? (Str->str_u.str_nval != 0.0) : 0 ) ))
	208	#endif /* CRIPPLED_CC */
8d063cd8	209
135863df	210	#ifdef DEBUGGING
a687059c LW	211	#define str_peek(str) (Str = (str), \
	212	(Str->str_pok ? \
	213	Str->str_ptr : \
	214	(Str->str_nok ? \
	215	(sprintf(tokenbuf,"num(%g)",Str->str_u.str_nval), \
	216	(char*)tokenbuf) : \
	217	"" )))
135863df AB	218	#endif
135863df AB	219
a687059c LW	220	#ifdef CRIPPLED_CC
	221	char *str_get();
	222	#else
	223	#ifdef TAINT
	224	#define str_get(str) (Str = (str), tainted \|= Str->str_tainted, \
	225	(Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
	226	#else
8d063cd8	227	#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
a687059c LW	228	#endif /* TAINT */
	229	#endif /* CRIPPLED_CC */
	230
	231	#ifdef CRIPPLED_CC
	232	double str_gnum();
	233	#else /* !CRIPPLED_CC */
	234	#ifdef TAINT
	235	#define str_gnum(str) (Str = (str), tainted \|= Str->str_tainted, \
	236	(Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
	237	#else /* !TAINT */
	238	#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
	239	#endif /* TAINT*/
	240	#endif /* CRIPPLED_CC */
8d063cd8 LW	241	EXT STR *Str;
	242
	243	#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
	244
a687059c LW	245	#define STR_GROW(str,len) if ((str)->str_len < (len)) str_grow(str,len)
	246
	247	#ifndef BYTEORDER
ffed7fef	248	#define BYTEORDER 0x1234
a687059c LW	249	#endif
a687059c LW	250
ae986130 LW	251	#if defined(htonl) && !defined(HTONL)
	252	#define HTONL
	253	#endif
	254	#if defined(htons) && !defined(HTONS)
	255	#define HTONS
	256	#endif
	257	#if defined(ntohl) && !defined(NTOHL)
	258	#define NTOHL
	259	#endif
	260	#if defined(ntohs) && !defined(NTOHS)
	261	#define NTOHS
	262	#endif
a687059c	263	#ifndef HTONL
ffed7fef	264	#if (BYTEORDER != 0x4321) && (BYTEORDER != 0x87654321)
a687059c LW	265	#define HTONS
	266	#define HTONL
	267	#define NTOHS
	268	#define NTOHL
	269	#define MYSWAP
	270	#define htons my_swap
	271	#define htonl my_htonl
	272	#define ntohs my_swap
	273	#define ntohl my_ntohl
	274	#endif
	275	#else
ffed7fef	276	#if (BYTEORDER == 0x4321) \|\| (BYTEORDER == 0x87654321)
a687059c LW	277	#undef HTONS
	278	#undef HTONL
	279	#undef NTOHS
	280	#undef NTOHL
	281	#endif
	282	#endif
	283
8d063cd8 LW	284	CMD *add_label();
	285	CMD *block_head();
	286	CMD *append_line();
	287	CMD *make_acmd();
	288	CMD *make_ccmd();
a687059c	289	CMD *make_icmd();
8d063cd8 LW	290	CMD *invert();
	291	CMD *addcond();
	292	CMD *addloop();
	293	CMD *wopt();
378cc40b	294	CMD *over();
8d063cd8	295
8d063cd8	296	STAB *stabent();
378cc40b	297	STAB *genstab();
8d063cd8	298
378cc40b	299	ARG *stab2arg();
8d063cd8 LW	300	ARG *op_new();
8d063cd8 LW	301	ARG *make_op();
8d063cd8 LW	302	ARG *make_match();
8d063cd8 LW	303	ARG *make_split();
a687059c	304	ARG *rcatmaybe();
378cc40b	305	ARG *listish();
a687059c	306	ARG *maybelistish();
378cc40b	307	ARG *localize();
a687059c LW	308	ARG *fixeval();
a687059c LW	309	ARG *jmaybe();
378cc40b	310	ARG *l();
a687059c	311	ARG *fixl();
378cc40b LW	312	ARG *mod_match();
	313	ARG *make_list();
	314	ARG *cmd_to_arg();
	315	ARG *addflags();
	316	ARG *hide_ary();
	317	ARG *cval_to_arg();
8d063cd8	318
8d063cd8 LW	319	STR *str_new();
8d063cd8 LW	320	STR *stab_str();
a687059c LW	321
	322	int do_each();
	323	int do_subr();
	324	int do_match();
	325	int do_unpack();
	326	int eval(); /* this evaluates expressions */
	327	int do_eval(); /* this evaluates eval operator */
	328	int do_assign();
378cc40b LW	329
378cc40b LW	330	SUBR *make_sub();
8d063cd8 LW	331
	332	FCMD *load_format();
	333
	334	char *scanpat();
	335	char *scansubst();
	336	char *scantrans();
	337	char *scanstr();
	338	char *scanreg();
8d063cd8 LW	339	char *str_append_till();
8d063cd8 LW	340	char *str_gets();
a687059c	341	char *str_grow();
8d063cd8	342
8d063cd8 LW	343	bool do_open();
	344	bool do_close();
	345	bool do_print();
378cc40b LW	346	bool do_aprint();
	347	bool do_exec();
	348	bool do_aexec();
8d063cd8 LW	349
8d063cd8 LW	350	int do_subst();
378cc40b LW	351	int cando();
378cc40b LW	352	int ingroup();
8d063cd8	353
378cc40b LW	354	void str_replace();
	355	void str_inc();
	356	void str_dec();
8d063cd8	357	void str_free();
a687059c	358	void stab_clear();
378cc40b	359	void do_join();
378cc40b	360	void do_sprintf();
a687059c LW	361	void do_accept();
	362	void do_vecset();
	363	void savelist();
	364	void saveitem();
	365	void saveint();
	366	void savelong();
	367	void savesptr();
	368	void savehptr();
	369	void restorelist();
	370	HASH *savehash();
	371	ARRAY *saveary();
378cc40b LW	372
378cc40b LW	373	EXT line_t line INIT(0);
a687059c LW	374	EXT line_t subline INIT(0);
a687059c LW	375	EXT STR *subname INIT(Nullstr);
8d063cd8 LW	376	EXT int arybase INIT(0);
	377
	378	struct outrec {
378cc40b LW	379	line_t o_lines;
	380	char *o_str;
	381	int o_len;
8d063cd8 LW	382	};
	383
	384	EXT struct outrec outrec;
	385	EXT struct outrec toprec;
	386
a687059c	387	EXT STAB *stdinstab INIT(Nullstab);
8d063cd8 LW	388	EXT STAB *last_in_stab INIT(Nullstab);
	389	EXT STAB *defstab INIT(Nullstab);
	390	EXT STAB *argvstab INIT(Nullstab);
	391	EXT STAB *envstab INIT(Nullstab);
	392	EXT STAB *sigstab INIT(Nullstab);
	393	EXT STAB *defoutstab INIT(Nullstab);
	394	EXT STAB *curoutstab INIT(Nullstab);
	395	EXT STAB *argvoutstab INIT(Nullstab);
378cc40b	396	EXT STAB *incstab INIT(Nullstab);
a687059c LW	397	EXT STAB *leftstab INIT(Nullstab);
	398	EXT STAB *amperstab INIT(Nullstab);
	399	EXT STAB *rightstab INIT(Nullstab);
	400	EXT STAB *DBstab INIT(Nullstab);
	401	EXT STAB *DBsub INIT(Nullstab);
	402
	403	EXT HASH defstash; / main symbol table */
	404	EXT HASH curstash; / symbol table for current package */
	405	EXT HASH debstash; / symbol table for perldb package */
	406
	407	EXT STR curstname; / name of current package */
8d063cd8 LW	408
8d063cd8 LW	409	EXT STR *freestrroot INIT(Nullstr);
378cc40b	410	EXT STR *lastretstr INIT(Nullstr);
a687059c LW	411	EXT STR *DBsingle INIT(Nullstr);
	412
	413	EXT int lastspbase;
	414	EXT int lastsize;
8d063cd8	415
378cc40b LW	416	EXT char *filename;
378cc40b LW	417	EXT char *origfilename;
8d063cd8 LW	418	EXT FILE *rsfp;
8d063cd8 LW	419	EXT char buf[1024];
a687059c LW	420	EXT char *bufptr;
	421	EXT char *oldbufptr;
	422	EXT char *oldoldbufptr;
	423	EXT char *bufend;
8d063cd8 LW	424
	425	EXT STR *linestr INIT(Nullstr);
	426
	427	EXT char record_separator INIT('\n');
a687059c	428	EXT int rslen INIT(1);
8d063cd8	429	EXT char *ofs INIT(Nullch);
a687059c	430	EXT int ofslen INIT(0);
8d063cd8	431	EXT char *ors INIT(Nullch);
a687059c	432	EXT int orslen INIT(0);
8d063cd8 LW	433	EXT char *ofmt INIT(Nullch);
8d063cd8 LW	434	EXT char *inplace INIT(Nullch);
a687059c	435	EXT char *nointrp INIT("");
8d063cd8	436
378cc40b LW	437	EXT bool preprocess INIT(FALSE);
	438	EXT bool minus_n INIT(FALSE);
	439	EXT bool minus_p INIT(FALSE);
	440	EXT bool minus_a INIT(FALSE);
	441	EXT bool doswitches INIT(FALSE);
	442	EXT bool dowarn INIT(FALSE);
	443	EXT bool allstabs INIT(FALSE); /* init all customary symbols in symbol table?*/
	444	EXT bool sawampersand INIT(FALSE); /* must save all match strings */
	445	EXT bool sawstudy INIT(FALSE); /* do fbminstr on all strings */
a687059c LW	446	EXT bool sawi INIT(FALSE); /* study must assume case insensitive */
	447	EXT bool sawvec INIT(FALSE);
	448
ae986130 LW	449	#ifdef CSH
	450	char *cshname INIT(CSH);
	451	int cshlen INIT(0);
	452	#endif /* CSH */
a687059c LW	453
	454	#ifdef TAINT
	455	EXT bool tainted INIT(FALSE); /* using variables controlled by $< */
	456	#endif
378cc40b LW	457
	458	#define TMPPATH "/tmp/perl-eXXXXXX"
	459	EXT char *e_tmpname;
	460	EXT FILE *e_fp INIT(Nullfp);
	461
8d063cd8	462	EXT char tokenbuf[256];
a687059c LW	463	EXT int expectterm INIT(TRUE); /* how to interpret ambiguous tokens */
	464	EXT int in_eval INIT(FALSE); /* trap fatal errors? */
	465	EXT int multiline INIT(0); /* $--do strings hold >1 line? /
	466	EXT int forkprocess; /* so do_open \|- can return proc# */
	467	EXT int do_undump INIT(0); /* -u or dump seen? */
	468	EXT int error_count INIT(0); /* how many errors so far, max 10 */
	469	EXT int multi_start INIT(0); /* 1st line of multi-line string */
	470	EXT int multi_end INIT(0); /* last line of multi-line string */
	471	EXT int multi_open INIT(0); /* delimiter of said string */
	472	EXT int multi_close INIT(0); /* delimiter of said string */
8d063cd8 LW	473
	474	FILE *popen();
	475	/* char str_get(); /
	476	STR *interp();
	477	void free_arg();
	478	STIO *stio_new();
	479
	480	EXT struct stat statbuf;
a687059c LW	481	EXT struct stat statcache;
	482	STAB *statstab INIT(Nullstab);
	483	STR *statname;
8d063cd8	484	EXT struct tms timesbuf;
378cc40b LW	485	EXT int uid;
378cc40b LW	486	EXT int euid;
a687059c LW	487	EXT int gid;
a687059c LW	488	EXT int egid;
378cc40b LW	489	UIDTYPE getuid();
	490	UIDTYPE geteuid();
	491	GIDTYPE getgid();
	492	GIDTYPE getegid();
	493	EXT int unsafe;
8d063cd8 LW	494
	495	#ifdef DEBUGGING
	496	EXT int debug INIT(0);
	497	EXT int dlevel INIT(0);
a687059c LW	498	EXT int dlmax INIT(128);
	499	EXT char *debname;
	500	EXT char *debdelim;
d96024cf	501	#define YYDEBUG 1
8d063cd8	502	#endif
a687059c	503	EXT int perldb INIT(0);
8d063cd8	504
378cc40b LW	505	EXT line_t cmdline INIT(NOLINE);
378cc40b LW	506
a687059c	507	EXT STR str_undef;
8d063cd8 LW	508	EXT STR str_no;
	509	EXT STR str_yes;
	510
	511	/* runtime control stuff */
	512
	513	EXT struct loop {
a687059c LW	514	char loop_label; / what the loop was called, if anything */
a687059c LW	515	int loop_sp; /* stack pointer to copy stuff down to */
8d063cd8	516	jmp_buf loop_env;
a687059c	517	} *loop_stack;
8d063cd8 LW	518
8d063cd8 LW	519	EXT int loop_ptr INIT(-1);
a687059c	520	EXT int loop_max INIT(128);
8d063cd8 LW	521
8d063cd8 LW	522	EXT jmp_buf top_env;
a559c259	523	EXT jmp_buf eval_env;
8d063cd8 LW	524
	525	EXT char goto_targ INIT(Nullch); / cmd_exec gets strange when set */
	526
a687059c LW	527	EXT ARRAY stack; / THE STACK */
a687059c LW	528
378cc40b LW	529	EXT ARRAY savestack; / to save non-local values on */
	530
	531	EXT ARRAY tosave; / strings to save on recursive subroutine */
	532
a687059c LW	533	EXT ARRAY lineary; / lines of script for debugger */
	534
	535	EXT ARRAY pidstatary; / keep pids and statuses by fd for mypopen */
	536
8d063cd8	537	double atof();
a687059c	538	long time();
8d063cd8	539	struct tm gmtime(), localtime();
378cc40b LW	540	char *mktemp();
	541	char index(), rindex();
	542	char strcpy(), strcat();
8d063cd8	543
8d063cd8	544	#ifdef EUNICE
378cc40b LW	545	#define UNLINK unlnk
378cc40b LW	546	int unlnk();
8d063cd8 LW	547	#else
	548	#define UNLINK unlink
	549	#endif
a687059c LW	550
	551	#ifndef SETREUID
	552	#ifdef SETRESUID
	553	#define setreuid(r,e) setresuid(r,e,-1)
	554	#define SETREUID
	555	#endif
	556	#endif
	557	#ifndef SETREGID
	558	#ifdef SETRESGID
	559	#define setregid(r,e) setresgid(r,e,-1)
	560	#define SETREGID
	561	#endif
	562	#endif