-/* $Header: perl.h,v 2.0 88/06/05 00:09:21 root Exp $
+/* $RCSfile: perl.h,v $$Revision: 4.0.1.3 $$Date: 91/06/10 01:25:10 $
+ *
+ * Copyright (c) 1991, 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.
*
* $Log: perl.h,v $
- * Revision 2.0 88/06/05 00:09:21 root
- * Baseline version 2.0.
+ * Revision 4.0.1.3 91/06/10 01:25:10 lwall
+ * patch10: certain pattern optimizations were botched
+ *
+ * Revision 4.0.1.2 91/06/07 11:28:33 lwall
+ * patch4: new copyright notice
+ * patch4: made some allowances for "semi-standard" C
+ * patch4: many, many itty-bitty portability fixes
+ *
+ * Revision 4.0.1.1 91/04/11 17:49:51 lwall
+ * patch1: hopefully straightened out some of the Xenix mess
+ *
+ * Revision 4.0 91/03/20 01:37:56 lwall
+ * 4.0 baseline.
*
*/
-#ifndef lint
-#define DEBUGGING
+#define VOIDWANT 1
+#include "config.h"
+
+#ifdef MSDOS
+/* This stuff now in the MS-DOS config.h file. */
+#else /* !MSDOS */
+
+/*
+ * The following symbols are defined if your operating system supports
+ * functions by that name. All Unixes I know of support them, thus they
+ * are not checked by the configuration script, but are directly defined
+ * here.
+ */
+#define HAS_ALARM
+#define HAS_CHOWN
+#define HAS_CHROOT
+#define HAS_FORK
+#define HAS_GETLOGIN
+#define HAS_GETPPID
+#define HAS_KILL
+#define HAS_LINK
+#define HAS_PIPE
+#define HAS_WAIT
+#define HAS_UMASK
+/*
+ * The following symbols are defined if your operating system supports
+ * password and group functions in general. All Unix systems do.
+ */
+#define HAS_GROUP
+#define HAS_PASSWD
+
+#endif /* !MSDOS */
+
+#if defined(__STDC__) || defined(_AIX) || defined(__stdc__)
+# define STANDARD_C 1
#endif
-#define VOIDUSED 1
-#include "config.h"
+#if defined(HASVOLATILE) || defined(STANDARD_C)
+#define VOLATILE volatile
+#else
+#define VOLATILE
+#endif
+
+#ifdef IAMSUID
+# ifndef TAINT
+# define TAINT
+# endif
+#endif
+
+#ifndef HAS_VFORK
+# define vfork fork
+#endif
-#ifdef MEMCPY
-extern char *memcpy(), *memset();
-#define bcopy(s1,s2,l) memcpy(s2,s1,l);
-#define bzero(s,l) memset(s,0,l);
+#ifdef HAS_GETPGRP2
+# ifndef HAS_GETPGRP
+# define HAS_GETPGRP
+# endif
+# define getpgrp getpgrp2
+#endif
+
+#ifdef HAS_SETPGRP2
+# ifndef HAS_SETPGRP
+# define HAS_SETPGRP
+# endif
+# define setpgrp setpgrp2
#endif
#include <stdio.h>
#include <ctype.h>
#include <setjmp.h>
-#include <sys/param.h> /* if this needs types.h we're still wrong */
+#ifndef MSDOS
+#ifdef PARAM_NEEDS_TYPES
+#include <sys/types.h>
+#endif
+#include <sys/param.h>
+#endif
+#ifdef STANDARD_C
+/* Use all the "standard" definitions */
+#include <stdlib.h>
+#include <string.h>
+#endif /* STANDARD_C */
+
+#if defined(HAS_MEMCMP) && defined(mips) && BYTEORDER == 0x1234
+#undef HAS_MEMCMP
+#endif
+
+#ifdef HAS_MEMCPY
+
+# ifndef STANDARD_C
+# ifndef memcpy
+extern char * memcpy(), *memset();
+extern int memcmp();
+# endif /* ndef memcpy */
+# endif /* ndef STANDARD_C */
+
+# ifndef bcopy
+# define bcopy(s1,s2,l) memcpy(s2,s1,l)
+# endif
+# ifndef bzero
+# define bzero(s,l) memset(s,0,l)
+# endif
+#endif /* HAS_MEMCPY */
+
+#ifndef HAS_BCMP /* prefer bcmp slightly 'cuz it doesn't order */
+# ifndef bcmp
+# define bcmp(s1,s2,l) memcmp(s1,s2,l)
+# endif
+#endif
#ifndef _TYPES_ /* If types.h defines this it's easy. */
#ifndef major /* Does everyone's types.h define this? */
#endif
#endif
+#ifdef I_NETINET_IN
+#include <netinet/in.h>
+#endif
+
#include <sys/stat.h>
-#ifdef TMINSYS
-#include <sys/time.h>
-#else
-#include <time.h>
+#ifdef I_TIME
+# include <time.h>
#endif
+#ifdef I_SYS_TIME
+# ifdef SYSTIMEKERNEL
+# define KERNEL
+# endif
+# include <sys/time.h>
+# ifdef SYSTIMEKERNEL
+# undef KERNEL
+# endif
+#endif
+
+#ifndef MSDOS
#include <sys/times.h>
+#endif
+
+#if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR))
+#undef HAS_STRERROR
+#endif
+
+#include <errno.h>
+#ifndef MSDOS
+#ifndef errno
+extern int errno; /* ANSI allows errno to be an lvalue expr */
+#endif
+#endif
+
+#ifndef strerror
+#ifdef HAS_STRERROR
+char *strerror();
+#else
+extern int sys_nerr;
+extern char *sys_errlist[];
+#define strerror(e) ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
+#endif
+#endif
+
+#ifdef I_SYSIOCTL
+#ifndef _IOCTL_
+#include <sys/ioctl.h>
+#endif
+#endif
+
+#if defined(mc300) || defined(mc500) || defined(mc700) /* MASSCOMP */
+#ifdef HAS_SOCKETPAIR
+#undef HAS_SOCKETPAIR
+#endif
+#ifdef HAS_NDBM
+#undef HAS_NDBM
+#endif
+#endif
+
+#ifdef HAS_GDBM
+#ifdef I_GDBM
+#include <gdbm.h>
+#endif
+#define SOME_DBM
+#ifdef HAS_NDBM
+#undef HAS_NDBM
+#endif
+#ifdef HAS_ODBM
+#undef HAS_ODBM
+#endif
+#else
+#ifdef HAS_NDBM
+#include <ndbm.h>
+#define SOME_DBM
+#ifdef HAS_ODBM
+#undef HAS_ODBM
+#endif
+#else
+#ifdef HAS_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 /* HAS_ODBM */
+#endif /* HAS_NDBM */
+#endif /* HAS_GDBM */
+#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
+
+#if defined(I_DIRENT)
+# include <dirent.h>
+# define DIRENT dirent
+#else
+# ifdef I_SYS_NDIR
+# include <sys/ndir.h>
+# define DIRENT direct
+# else
+# ifdef I_SYS_DIR
+# ifdef hp9000s500
+# include <ndir.h> /* may be wrong in the future */
+# else
+# include <sys/dir.h>
+# endif
+# define DIRENT direct
+# endif
+# endif
+#endif
+
+#ifdef FPUTS_BOTCH
+/* work around botch in SunOS 4.0.1 and 4.0.2 */
+# ifndef fputs
+# define fputs(str,fp) fprintf(fp,"%s",str)
+# endif
+#endif
+
+/*
+ * The following gobbledygook brought to you on behalf of __STDC__.
+ * (I could just use #ifndef __STDC__, but this is more bulletproof
+ * in the face of half-implementations.)
+ */
+
+#ifndef S_IFMT
+# ifdef _S_IFMT
+# define S_IFMT _S_IFMT
+# else
+# define S_IFMT 0170000
+# endif
+#endif
+
+#ifndef S_ISDIR
+# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
+#endif
+
+#ifndef S_ISCHR
+# define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR)
+#endif
+
+#ifndef S_ISBLK
+# ifdef S_IFBLK
+# define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK)
+# else
+# define S_ISBLK(m) (0)
+# endif
+#endif
+
+#ifndef S_ISREG
+# define S_ISREG(m) ((m & S_IFMT) == S_IFREG)
+#endif
+
+#ifndef S_ISFIFO
+# ifdef S_IFIFO
+# define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO)
+# else
+# define S_ISFIFO(m) (0)
+# endif
+#endif
+
+#ifndef S_ISLNK
+# ifdef _S_ISLNK
+# define S_ISLNK(m) _S_ISLNK(m)
+# else
+# ifdef _S_IFLNK
+# define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK)
+# else
+# ifdef S_IFLNK
+# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
+# else
+# define S_ISLNK(m) (0)
+# endif
+# endif
+# endif
+#endif
+
+#ifndef S_ISSOCK
+# ifdef _S_ISSOCK
+# define S_ISSOCK(m) _S_ISSOCK(m)
+# else
+# ifdef _S_IFSOCK
+# define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK)
+# else
+# ifdef S_IFSOCK
+# define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK)
+# else
+# define S_ISSOCK(m) (0)
+# endif
+# endif
+# endif
+#endif
+
+#ifndef S_IRUSR
+# ifdef S_IREAD
+# define S_IRUSR S_IREAD
+# define S_IWUSR S_IWRITE
+# define S_IXUSR S_IEXEC
+# else
+# define S_IRUSR 0400
+# define S_IWUSR 0200
+# define S_IXUSR 0100
+# endif
+# define S_IRGRP (S_IRUSR>>3)
+# define S_IWGRP (S_IWUSR>>3)
+# define S_IXGRP (S_IXUSR>>3)
+# define S_IROTH (S_IRUSR>>6)
+# define S_IWOTH (S_IWUSR>>6)
+# define S_IXOTH (S_IXUSR>>6)
+#endif
+
+#ifndef S_ISUID
+# define S_ISUID 04000
+#endif
+
+#ifndef S_ISGID
+# define S_ISGID 02000
+#endif
+
+#ifdef f_next
+#undef f_next
+#endif
+
+typedef unsigned int STRLEN;
typedef struct arg ARG;
typedef struct cmd CMD;
typedef struct formcmd FCMD;
typedef struct scanpat SPAT;
-typedef struct stab STAB;
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;
+typedef struct callsave CSV;
#include "handy.h"
#include "regexp.h"
#include "array.h"
#include "hash.h"
+#if defined(iAPX286) || defined(M_I286) || defined(I80286)
+# define I286
+#endif
+
+#ifndef STANDARD_C
#ifdef CHARSPRINTF
char *sprintf();
#else
int sprintf();
#endif
+#endif
-/* A string is TRUE if not "" or "0". */
-#define True(val) (tmps = (val), (*tmps && !(*tmps == '0' && !tmps[1])))
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 )))
+/* "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(buf,"num(%g)",Str->str_nval),(char*)buf) : "" )))
+#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)))
-#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(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)
+#ifndef MSDOS
+#define STR_GROW(str,len) if ((str)->str_len < (len)) str_grow(str,len)
+#define Str_Grow str_grow
+#else
+/* extra parentheses intentionally NOT placed around "len"! */
+#define STR_GROW(str,len) if ((str)->str_len < (unsigned long)len) \
+ str_grow(str,(unsigned long)len)
+#define Str_Grow(str,len) str_grow(str,(unsigned long)(len))
+#endif /* MSDOS */
+
+#ifndef BYTEORDER
+#define BYTEORDER 0x1234
+#endif
+
+#if defined(htonl) && !defined(HAS_HTONL)
+#define HAS_HTONL
+#endif
+#if defined(htons) && !defined(HAS_HTONS)
+#define HAS_HTONS
+#endif
+#if defined(ntohl) && !defined(HAS_NTOHL)
+#define HAS_NTOHL
+#endif
+#if defined(ntohs) && !defined(HAS_NTOHS)
+#define HAS_NTOHS
+#endif
+#ifndef HAS_HTONL
+#if (BYTEORDER & 0xffff) != 0x4321
+#define HAS_HTONS
+#define HAS_HTONL
+#define HAS_NTOHS
+#define HAS_NTOHL
+#define MYSWAP
+#define htons my_swap
+#define htonl my_htonl
+#define ntohs my_swap
+#define ntohl my_ntohl
+#endif
+#else
+#if (BYTEORDER & 0xffff) == 0x4321
+#undef HAS_HTONS
+#undef HAS_HTONL
+#undef HAS_NTOHS
+#undef HAS_NTOHL
+#endif
+#endif
+
+#ifdef CASTNEGFLOAT
+#define U_S(what) ((unsigned short)(what))
+#define U_I(what) ((unsigned int)(what))
+#define U_L(what) ((unsigned long)(what))
+#else
+unsigned long castulong();
+#define U_S(what) ((unsigned int)castulong(what))
+#define U_I(what) ((unsigned int)castulong(what))
+#define U_L(what) (castulong(what))
+#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();
-SPAT *stab2spat();
-
STAB *stabent();
STAB *genstab();
ARG *stab2arg();
ARG *op_new();
ARG *make_op();
-ARG *make_lval();
ARG *make_match();
ARG *make_split();
-ARG *flipflip();
+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 *hide_ary();
ARG *cval_to_arg();
-STR *arg_to_str();
STR *str_new();
STR *stab_str();
-STR *eval(); /* this evaluates expressions */
-STR *do_eval(); /* this evaluates eval operator */
-STR *do_each();
-STR *do_subr();
-STR *do_match();
+
+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();
char *scansubst();
char *scantrans();
char *scanstr();
-char *scanreg();
-char *reg_get();
+char *scanident();
char *str_append_till();
char *str_gets();
+char *str_grow();
bool do_open();
bool do_close();
int cando();
int ingroup();
-void str_grow();
void str_replace();
void str_inc();
void str_dec();
void str_free();
-void freearg();
-void savelist();
-void restorelist();
-void ajoin();
+void stab_clear();
void do_join();
-void do_assign();
void do_sprintf();
+void do_accept();
+void do_pipe();
+void do_vecset();
+void do_unshift();
+void do_execfree();
+void magicalize();
+void magicname();
+void savelist();
+void saveitem();
+void saveint();
+void savelong();
+void savesptr();
+void savehptr();
+void restorelist();
+void repeatcpy();
+HASH *savehash();
+ARRAY *saveary();
-EXT line_t line INIT(0);
+EXT char **origargv;
+EXT int origargc;
+EXT char **origenviron;
+extern char **environ;
+
+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;
+ long 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 *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 *DBline 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 STR *DBtrace INIT(Nullstr);
+EXT STR *DBsignal INIT(Nullstr);
+
+EXT int lastspbase;
+EXT int lastsize;
-EXT char *filename;
+EXT char *hexdigit INIT("0123456789abcdef0123456789ABCDEF");
EXT char *origfilename;
-EXT FILE *rsfp;
+EXT FILE * VOLATILE rsfp;
EXT char buf[1024];
-EXT char *bufptr INIT(buf);
+EXT char *bufptr;
+EXT char *oldbufptr;
+EXT char *oldoldbufptr;
+EXT char *bufend;
EXT STR *linestr INIT(Nullstr);
-EXT char record_separator INIT('\n');
+EXT char *rs INIT("\n");
+EXT int rschar INIT('\n'); /* final char of rs, or 0777 if none */
+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_l INIT(FALSE);
EXT bool minus_a INIT(FALSE);
EXT bool doswitches INIT(FALSE);
EXT bool dowarn INIT(FALSE);
+EXT bool doextract 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);
+EXT bool localizing INIT(FALSE); /* are we processing a local() list? */
+
+#ifndef MAXSYSFD
+# define MAXSYSFD 2
+#endif
+EXT int maxsysfd INIT(MAXSYSFD); /* top fd to pass to subprocesses */
+#ifdef CSH
+char *cshname INIT(CSH);
+int cshlen INIT(0);
+#endif /* CSH */
+
+#ifdef TAINT
+EXT bool tainted INIT(FALSE); /* using variables controlled by $< */
+#endif
+
+#ifndef MSDOS
#define TMPPATH "/tmp/perl-eXXXXXX"
+#else
+#define TMPPATH "plXXXXXX"
+#endif /* MSDOS */
EXT char *e_tmpname;
EXT FILE *e_fp INIT(Nullfp);
EXT char tokenbuf[256];
-EXT int expectterm INIT(TRUE);
-EXT int lex_newlines INIT(FALSE);
-EXT int in_eval INIT(FALSE);
-EXT int multiline INIT(0);
-EXT int forkprocess;
+EXT int expectterm INIT(TRUE); /* how to interpret ambiguous tokens */
+EXT VOLATILE 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();
+void hoistmust();
EXT struct stat statbuf;
+EXT struct stat statcache;
+STAB *statstab INIT(Nullstab);
+STR *statname;
+#ifndef MSDOS
EXT struct tms timesbuf;
+#endif
EXT int uid;
EXT int euid;
+EXT int gid;
+EXT int egid;
UIDTYPE getuid();
UIDTYPE geteuid();
GIDTYPE getgid();
EXT int unsafe;
#ifdef DEBUGGING
-EXT int debug INIT(0);
+EXT VOLATILE int debug INIT(0);
EXT int dlevel INIT(0);
-EXT char debname[128];
-EXT char debdelim[128];
+EXT int dlmax INIT(128);
+EXT char *debname;
+EXT char *debdelim;
#define YYDEBUG 1
-extern int yydebug;
#endif
+EXT int perldb INIT(0);
+#define YYMAXDEPTH 300
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;
+ 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[64];
+} *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 char * VOLATILE goto_targ INIT(Nullch); /* cmd_exec gets strange when set */
-EXT ARRAY *savestack; /* to save non-local values on */
+struct ufuncs {
+ int (*uf_val)();
+ int (*uf_set)();
+ int uf_index;
+};
+
+EXT ARRAY *stack; /* THE STACK */
+
+EXT ARRAY * VOLATILE 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 *dbargs; /* args to call listed by caller function */
+
+EXT ARRAY *fdpid; /* keep fd-to-pid mappings for mypopen */
+EXT HASH *pidstatus; /* keep pid-to-status mappings for waitpid */
+
+EXT int *di; /* for tmp use in debuggers */
+EXT char *dc;
+EXT short *ds;
+
+/* Fix these up for __STDC__ */
+EXT long basetime INIT(0);
+char *mktemp();
+#ifndef STANDARD_C
+/* All of these are in stdlib.h or time.h for ANSI C */
double atof();
-unsigned sleep();
-long time(), times();
+long time();
struct tm *gmtime(), *localtime();
-char *mktemp();
char *index(), *rindex();
char *strcpy(), *strcat();
+#endif /* ! STANDARD_C */
#ifdef EUNICE
#define UNLINK unlnk
#else
#define UNLINK unlink
#endif
+
+#ifndef HAS_SETREUID
+#ifdef HAS_SETRESUID
+#define setreuid(r,e) setresuid(r,e,-1)
+#define HAS_SETREUID
+#endif
+#endif
+#ifndef HAS_SETREGID
+#ifdef HAS_SETRESGID
+#define setregid(r,e) setresgid(r,e,-1)
+#define HAS_SETREGID
+#endif
+#endif