From 2870d964f8c849d00be20927085f45a30e4e8e53 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Mon, 2 Jul 2001 17:27:21 +0000 Subject: Some updates to ash from vodz. Makes ash smaller. I made a few changes, esp describing all the current ash configuration options. Now ash adds 66k in the default configuration. --- ash.h | 1225 ----------------------------------------------------------------- 1 file changed, 1225 deletions(-) delete mode 100644 ash.h (limited to 'ash.h') diff --git a/ash.h b/ash.h deleted file mode 100644 index ac25ddb1c..000000000 --- a/ash.h +++ /dev/null @@ -1,1225 +0,0 @@ -/*- - * Copyright (c) 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Kenneth Almquist. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* $NetBSD: alias.h,v 1.4 1995/05/11 21:28:42 christos Exp $ */ - -#define ALIASINUSE 1 -#define ALIASDEAD 2 - -struct alias { - struct alias *next; - char *name; - char *val; - int flag; -}; - -struct alias *lookupalias __P((const char *, int)); -static int aliascmd __P((int, char **)); -static int unaliascmd __P((int, char **)); -static void rmaliases __P((void)); -static int unalias __P((char *)); -static void printalias __P((const struct alias *)); -#define ARITH_NUM 257 -#define ARITH_LPAREN 258 -#define ARITH_RPAREN 259 -#define ARITH_OR 260 -#define ARITH_AND 261 -#define ARITH_BOR 262 -#define ARITH_BXOR 263 -#define ARITH_BAND 264 -#define ARITH_EQ 265 -#define ARITH_NE 266 -#define ARITH_LT 267 -#define ARITH_GT 268 -#define ARITH_GE 269 -#define ARITH_LE 270 -#define ARITH_LSHIFT 271 -#define ARITH_RSHIFT 272 -#define ARITH_ADD 273 -#define ARITH_SUB 274 -#define ARITH_MUL 275 -#define ARITH_DIV 276 -#define ARITH_REM 277 -#define ARITH_UNARYMINUS 278 -#define ARITH_UNARYPLUS 279 -#define ARITH_NOT 280 -#define ARITH_BNOT 281 - -/* - * This file was generated by the mkbuiltins program. - */ - - -#define BUILTIN_SPECIAL 0x1 -#define BUILTIN_REGULAR 0x2 -#define BUILTIN_ASSIGN 0x4 - -struct builtincmd { - const char *name; - int (*const builtinfunc) __P((int, char **)); - unsigned flags; -}; - -extern const struct builtincmd builtincmds[]; - - - -/* $NetBSD: cd.h,v 1.2 1997/07/04 21:01:52 christos Exp $ */ -static int cdcmd __P((int, char **)); -static int pwdcmd __P((int, char **)); -static void setpwd __P((const char *, int)); - - -/* $NetBSD: error.h,v 1.14 2001/02/04 19:52:06 christos Exp $ */ - -/* - * Types of operations (passed to the errmsg routine). - */ - -#define E_OPEN 01 /* opening a file */ -#define E_CREAT 02 /* creating a file */ -#define E_EXEC 04 /* executing a program */ - - -/* - * We enclose jmp_buf in a structure so that we can declare pointers to - * jump locations. The global variable handler contains the location to - * jump to when an exception occurs, and the global variable exception - * contains a code identifying the exeception. To implement nested - * exception handlers, the user should save the value of handler on entry - * to an inner scope, set handler to point to a jmploc structure for the - * inner scope, and restore handler on exit from the scope. - */ - -struct jmploc { - jmp_buf loc; -}; - -extern struct jmploc *handler; -extern int exception; - -/* exceptions */ -#define EXINT 0 /* SIGINT received */ -#define EXERROR 1 /* a generic error */ -#define EXSHELLPROC 2 /* execute a shell procedure */ -#define EXEXEC 3 /* command execution failed */ - - -/* - * These macros allow the user to suspend the handling of interrupt signals - * over a period of time. This is similar to SIGHOLD to or sigblock, but - * much more efficient and portable. (But hacking the kernel is so much - * more fun than worrying about efficiency and portability. :-)) - */ - -extern int suppressint; -extern volatile int intpending; - -#define INTOFF suppressint++ -#ifdef REALLY_SMALL -static void __inton __P((void)); -#define INTON __inton() -#else -#define INTON { if (--suppressint == 0 && intpending) onint(); } -#endif -#define FORCEINTON {suppressint = 0; if (intpending) onint();} -#define CLEAR_PENDING_INT intpending = 0 -#define int_pending() intpending - -static void exraise __P((int)) __attribute__((__noreturn__)); -static void onint __P((void)); -static void error __P((const char *, ...)) __attribute__((__noreturn__)); -static void exerror __P((int, const char *, ...)) __attribute__((__noreturn__)); -static const char *errmsg __P((int, int)); - - -/* - * BSD setjmp saves the signal mask, which violates ANSI C and takes time, - * so we use _setjmp instead. - */ - -#if defined(BSD) && !defined(__SVR4) && !defined(__GLIBC__) -#define setjmp(jmploc) _setjmp(jmploc) -#define longjmp(jmploc, val) _longjmp(jmploc, val) -#endif - - - -/* $NetBSD: shell.h,v 1.13 2000/05/22 10:18:47 elric Exp $ */ - -/* - * The follow should be set to reflect the type of system you have: - * JOBS -> 1 if you have Berkeley job control, 0 otherwise. - * SHORTNAMES -> 1 if your linker cannot handle long names. - * define BSD if you are running 4.2 BSD or later. - * define SYSV if you are running under System V. - * define DEBUG=1 to compile in debugging (set global "debug" to turn on) - * define DEBUG=2 to compile in and turn on debugging. - * - * When debugging is on, debugging info will be written to $HOME/trace and - * a quit signal will generate a core dump. - */ - - -#define JOBS 1 -#ifndef BSD -#define BSD 1 -#endif - -#ifdef __STDC__ -typedef void *pointer; -#ifndef NULL -#define NULL (void *)0 -#endif -#else /* not __STDC__ */ -typedef char *pointer; -#ifndef NULL -#define NULL 0 -#endif -#endif /* not __STDC__ */ - -extern char nullstr[1]; /* null string */ - - -#ifdef DEBUG -#define TRACE(param) trace param -#else -#define TRACE(param) -#endif - - - - -/* - * This file was generated by the mknodes program. - */ - -#define NSEMI 0 -#define NCMD 1 -#define NPIPE 2 -#define NREDIR 3 -#define NBACKGND 4 -#define NSUBSHELL 5 -#define NAND 6 -#define NOR 7 -#define NIF 8 -#define NWHILE 9 -#define NUNTIL 10 -#define NFOR 11 -#define NCASE 12 -#define NCLIST 13 -#define NDEFUN 14 -#define NARG 15 -#define NTO 16 -#define NFROM 17 -#define NFROMTO 18 -#define NAPPEND 19 -#define NTOOV 20 -#define NTOFD 21 -#define NFROMFD 22 -#define NHERE 23 -#define NXHERE 24 -#define NNOT 25 - - - -struct nbinary { - int type; - union node *ch1; - union node *ch2; -}; - - -struct ncmd { - int type; - int backgnd; - union node *assign; - union node *args; - union node *redirect; -}; - - -struct npipe { - int type; - int backgnd; - struct nodelist *cmdlist; -}; - - -struct nredir { - int type; - union node *n; - union node *redirect; -}; - - -struct nif { - int type; - union node *test; - union node *ifpart; - union node *elsepart; -}; - - -struct nfor { - int type; - union node *args; - union node *body; - char *var; -}; - - -struct ncase { - int type; - union node *expr; - union node *cases; -}; - - -struct nclist { - int type; - union node *next; - union node *pattern; - union node *body; -}; - - -struct narg { - int type; - union node *next; - char *text; - struct nodelist *backquote; -}; - - -struct nfile { - int type; - union node *next; - int fd; - union node *fname; - char *expfname; -}; - - -struct ndup { - int type; - union node *next; - int fd; - int dupfd; - union node *vname; -}; - - -struct nhere { - int type; - union node *next; - int fd; - union node *doc; -}; - - -struct nnot { - int type; - union node *com; -}; - - -union node { - int type; - struct nbinary nbinary; - struct ncmd ncmd; - struct npipe npipe; - struct nredir nredir; - struct nif nif; - struct nfor nfor; - struct ncase ncase; - struct nclist nclist; - struct narg narg; - struct nfile nfile; - struct ndup ndup; - struct nhere nhere; - struct nnot nnot; -}; - - -struct nodelist { - struct nodelist *next; - union node *n; -}; - - -#ifdef __STDC__ -union node *copyfunc(union node *); -static void freefunc(union node *); -#else -union node *copyfunc(); -static void freefunc(); -#endif - - - -/* $NetBSD: eval.h,v 1.10 2000/01/27 23:39:40 christos Exp $ */ -extern char *commandname; /* currently executing command */ -extern int exitstatus; /* exit status of last command */ -extern struct strlist *cmdenviron; /* environment for builtin command */ - - -struct backcmd { /* result of evalbackcmd */ - int fd; /* file descriptor to read from */ - char *buf; /* buffer */ - int nleft; /* number of chars in buffer */ - struct job *jp; /* job structure for command */ -}; - -static int evalcmd __P((int, char **)); -static void evalstring __P((char *, int)); -static void evaltree __P((union node *, int)); -static void evalbackcmd __P((union node *, struct backcmd *)); -static int bltincmd __P((int, char **)); -static int breakcmd __P((int, char **)); -static int returncmd __P((int, char **)); -static int execcmd __P((int, char **)); - -/* in_function returns nonzero if we are currently evaluating a function */ -#define in_function() funcnest -extern int funcnest; -extern int evalskip; - -/* reasons for skipping commands (see comment on breakcmd routine) */ -#define SKIPBREAK 1 -#define SKIPCONT 2 -#define SKIPFUNC 3 -#define SKIPFILE 4 - - - - -/* $NetBSD: exec.h,v 1.17 2000/05/22 10:18:47 elric Exp $ */ - -/* values of cmdtype */ -#define CMDUNKNOWN -1 /* no entry in table for command */ -#define CMDNORMAL 0 /* command is an executable program */ -#define CMDBUILTIN 1 /* command is a shell builtin */ -#define CMDFUNCTION 2 /* command is a shell function */ - - -struct cmdentry { - int cmdtype; - union param { - int index; - union node *func; - const struct builtincmd *cmd; - } u; -}; - - -#define DO_ERR 1 /* find_command prints errors */ -#define DO_ABS 2 /* find_command checks absolute paths */ -#define DO_NOFUN 4 /* find_command ignores functions */ -#define DO_BRUTE 8 /* find_command ignores hash table */ - -extern const char *pathopt; /* set by padvance */ -extern int exerrno; /* last exec error */ - -static void shellexec __P((char **, char **, const char *, int)) - __attribute__((noreturn)); -static char *padvance __P((const char **, const char *)); -static int hashcmd __P((int, char **)); -static void find_command __P((char *, struct cmdentry *, int, const char *)); -struct builtincmd *find_builtin __P((char *)); -static void hashcd __P((void)); -static void changepath __P((const char *)); -static void deletefuncs __P((void)); -#ifdef notdef -static void getcmdentry __P((char *, struct cmdentry *)); -#endif -static void addcmdentry __P((char *, struct cmdentry *)); -static void defun __P((char *, union node *)); -static void unsetfunc __P((char *)); -#ifdef ASH_TYPE -static int typecmd __P((int, char **)); -#endif -static int commandcmd __P((int, char **)); - - - -/* $NetBSD: expand.h,v 1.12 1999/07/09 03:05:50 christos Exp $ */ -struct strlist { - struct strlist *next; - char *text; -}; - - -struct arglist { - struct strlist *list; - struct strlist **lastp; -}; - -/* - * expandarg() flags - */ -#define EXP_FULL 0x1 /* perform word splitting & file globbing */ -#define EXP_TILDE 0x2 /* do normal tilde expansion */ -#define EXP_VARTILDE 0x4 /* expand tildes in an assignment */ -#define EXP_REDIR 0x8 /* file glob for a redirection (1 match only) */ -#define EXP_CASE 0x10 /* keeps quotes around for CASE pattern */ -#define EXP_RECORD 0x20 /* need to record arguments for ifs breakup */ - - -static void expandhere __P((union node *, int)); -static void expandarg __P((union node *, struct arglist *, int)); -#ifdef ASH_MATH_SUPPORT -static void expari __P((int)); -#endif -#if !(defined(__GLIBC__) && !defined(FNMATCH_BROKEN) && !defined(GLOB_BROKEN)) -static int patmatch __P((char *, char *, int)); -#endif -#if defined(__GLIBC__) && !defined(FNMATCH_BROKEN) -#define rmescapes(p) _rmescapes((p), 0) -static char *_rmescapes __P((char *, int)); -#else -static void rmescapes __P((char *)); -#endif -static int casematch __P((union node *, char *)); - - -#ifdef ASH_MATH_SUPPORT -/* From arith.y */ -static int arith __P((const char *)); -static int expcmd __P((int , char **)); -static void arith_lex_reset __P((void)); -static int yylex __P((void)); -#endif - - - - -/* $NetBSD: init.h,v 1.8 1995/05/11 21:29:14 christos Exp $ */ -static void init __P((void)); -static void reset __P((void)); -static void initshellproc __P((void)); - - - -/* $NetBSD: input.h,v 1.12 2000/05/22 10:18:47 elric Exp $ */ - -/* PEOF (the end of file marker) is defined in syntax.h */ -/* - * The input line number. Input.c just defines this variable, and saves - * and restores it when files are pushed and popped. The user of this - * package must set its value. - */ -extern int plinno; -extern int parsenleft; /* number of characters left in input buffer */ -extern char *parsenextc; /* next character in input buffer */ - -static char *pfgets __P((char *, int)); -static int pgetc __P((void)); -static int pgetc2 __P((void)); -static int preadbuffer __P((void)); -static void pungetc __P((void)); -static void pushstring __P((char *, int, void *)); -static void popstring __P((void)); -static void setinputfile __P((const char *, int)); -static void setinputfd __P((int, int)); -static void setinputstring __P((char *)); -static void popfile __P((void)); -static void popallfiles __P((void)); -static void closescript __P((void)); - -#define pgetc_macro() (--parsenleft >= 0? *parsenextc++ : preadbuffer()) - - - -/* $NetBSD: jobs.h,v 1.12 2000/05/22 10:18:47 elric Exp $ */ - -/* Mode argument to forkshell. Don't change FORK_FG or FORK_BG. */ -#define FORK_FG 0 -#define FORK_BG 1 -#define FORK_NOJOB 2 - - -/* - * A job structure contains information about a job. A job is either a - * single process or a set of processes contained in a pipeline. In the - * latter case, pidlist will be non-NULL, and will point to a -1 terminated - * array of pids. - */ - -struct procstat { - pid_t pid; /* process id */ - int status; /* status flags (defined above) */ - char *cmd; /* text of command being run */ -}; - - -/* states */ -#define JOBSTOPPED 1 /* all procs are stopped */ -#define JOBDONE 2 /* all procs are completed */ - - -struct job { - struct procstat ps0; /* status of process */ - struct procstat *ps; /* status or processes when more than one */ - short nprocs; /* number of processes */ - short pgrp; /* process group of this job */ - char state; /* true if job is finished */ - char used; /* true if this entry is in used */ - char changed; /* true if status has changed */ -#if JOBS - char jobctl; /* job running under job control */ -#endif -}; - -extern short backgndpid; /* pid of last background process */ -extern int job_warning; /* user was warned about stopped jobs */ - -static void setjobctl __P((int)); -static int killcmd __P((int, char **)); -static int fgcmd __P((int, char **)); -static int bgcmd __P((int, char **)); -static int jobscmd __P((int, char **)); -static void showjobs __P((int)); -static int waitcmd __P((int, char **)); -struct job *makejob __P((union node *, int)); -static int forkshell __P((struct job *, union node *, int)); -static int waitforjob __P((struct job *)); -static int stoppedjobs __P((void)); -static char *commandtext __P((union node *)); - -#if ! JOBS -#define setjobctl(on) /* do nothing */ -#endif - - - -/* $NetBSD: machdep.h,v 1.8 1995/05/11 21:29:21 christos Exp $ */ - -/* - * Most machines require the value returned from malloc to be aligned - * in some way. The following macro will get this right on many machines. - */ - -#ifndef ALIGN -union align { - int i; - char *cp; -}; - -#define ALIGN(nbytes) (((nbytes) + sizeof(union align) - 1) & ~(sizeof(union align) - 1)) -#endif - - - -/* $NetBSD: mail.h,v 1.8 1995/05/11 21:29:23 christos Exp $ */ - -static void chkmail __P((int)); - - - -/* $NetBSD: main.h,v 1.8 1995/05/11 21:29:27 christos Exp $ */ -extern int rootpid; /* pid of main shell */ -extern int rootshell; /* true if we aren't a child of the main shell */ - -static void readcmdfile __P((char *)); -static void cmdloop __P((int)); -static int dotcmd __P((int, char **)); -static int exitcmd __P((int, char **)); - - - -/* $NetBSD: memalloc.h,v 1.11 2000/11/01 19:56:01 christos Exp $ */ -struct stackmark { - struct stack_block *stackp; - char *stacknxt; - int stacknleft; - struct stackmark *marknext; -}; - - -extern char *stacknxt; -extern int stacknleft; -extern int sstrnleft; -extern int herefd; - -static inline pointer ckmalloc (int sz) { return xmalloc(sz); } -static inline pointer ckrealloc(void *p, int sz) { return xrealloc(p, sz); } -static inline char * savestr (const char *s) { return xstrdup(s); } - -pointer stalloc __P((int)); -static void stunalloc __P((pointer)); -static void setstackmark __P((struct stackmark *)); -static void popstackmark __P((struct stackmark *)); -static void growstackblock __P((void)); -static void grabstackblock __P((int)); -static char *growstackstr __P((void)); -static char *makestrspace __P((size_t)); -static void ungrabstackstr __P((char *, char *)); - - - -#define stackblock() stacknxt -#define stackblocksize() stacknleft -#define STARTSTACKSTR(p) p = stackblock(), sstrnleft = stackblocksize() -#define STPUTC(c, p) (--sstrnleft >= 0? (*p++ = (c)) : (p = growstackstr(), *p++ = (c))) -#define CHECKSTRSPACE(n, p) { if (sstrnleft < n) p = makestrspace(n); } -#define USTPUTC(c, p) (--sstrnleft, *p++ = (c)) -#define STACKSTRNUL(p) (sstrnleft == 0? (p = growstackstr(), *p = '\0') : (*p = '\0')) -#define STUNPUTC(p) (++sstrnleft, --p) -#define STTOPC(p) p[-1] -#define STADJUST(amount, p) (p += (amount), sstrnleft -= (amount)) -#define grabstackstr(p) stalloc(stackblocksize() - sstrnleft) - -#define ckfree(p) free((pointer)(p)) - - - -/* $NetBSD: miscbltin.h,v 1.1 1997/07/04 21:02:10 christos Exp $ */ -static int readcmd __P((int, char **)); -static int umaskcmd __P((int, char **)); -static int ulimitcmd __P((int, char **)); - - - -/* $NetBSD: mystring.h,v 1.9 1995/05/11 21:29:42 christos Exp $ */ - -extern const char snlfmt[]; -extern const char spcstr[]; - -#if 0 -static void scopyn __P((const char *, char *, int)); -#endif -static int prefix __P((const char *, const char *)); -static int number __P((const char *)); -static int is_number __P((const char *)); -static char *single_quote __P((const char *)); -static char *sstrdup __P((const char *)); -static int pstrcmp __P((const void *, const void *)); -static const char *const *findstring __P((const char *, const char *const *, size_t)); - -#define equal(s1, s2) (strcmp(s1, s2) == 0) -#define scopy(s1, s2) ((void)strcpy(s2, s1)) - - -/* $NetBSD: options.h,v 1.14 2001/02/04 19:52:06 christos Exp $ */ - -struct shparam { - int nparam; /* # of positional parameters (without $0) */ - unsigned char malloc; /* if parameter list dynamically allocated */ - char **p; /* parameter list */ - int optind; /* next parameter to be processed by getopts */ - int optoff; /* used by getopts */ -}; - - - -#define eflag optlist[0].val -#define fflag optlist[1].val -#define Iflag optlist[2].val -#define iflag optlist[3].val -#define mflag optlist[4].val -#define nflag optlist[5].val -#define sflag optlist[6].val -#define xflag optlist[7].val -#define vflag optlist[8].val -#define Vflag optlist[9].val -#define Eflag optlist[10].val -#define Cflag optlist[11].val -#define aflag optlist[12].val -#define bflag optlist[13].val -#define uflag optlist[14].val -#define qflag optlist[15].val - -#define NOPTS 16 - -struct optent { - const char *name; - const char letter; - char val; -}; - -extern struct optent optlist[NOPTS]; - - -extern char *minusc; /* argument to -c option */ -extern char *arg0; /* $0 */ -extern struct shparam shellparam; /* $@ */ -extern char **argptr; /* argument list for builtin commands */ -extern char *optionarg; /* set by nextopt */ -extern char *optptr; /* used by nextopt */ - -static void procargs __P((int, char **)); -static void optschanged __P((void)); -static void setparam __P((char **)); -static void freeparam __P((volatile struct shparam *)); -static int shiftcmd __P((int, char **)); -static int setcmd __P((int, char **)); -#ifdef ASH_GETOPTS -static int getoptscmd __P((int, char **)); -static int setvarsafe __P((const char *, const char *, int)); -#endif -static int nextopt __P((const char *)); -static void getoptsreset __P((const char *)); - - - -/* $NetBSD: output.h,v 1.14 1998/01/31 12:37:55 christos Exp $ */ -struct output { -#ifdef USE_GLIBC_STDIO - FILE *stream; -#endif - char *nextc; - int nleft; - char *buf; - int bufsize; - int fd; - short flags; -}; - -extern struct output output; -extern struct output errout; -extern struct output memout; -extern struct output *out1; -extern struct output *out2; - -static void outstr __P((const char *, struct output *)); -#ifndef USE_GLIBC_STDIO -static void outcslow __P((char, struct output *)); -#endif -static void flushall __P((void)); -static void flushout __P((struct output *)); -static void freestdout __P((void)); -static void outfmt __P((struct output *, const char *, ...)) - __attribute__((__format__(__printf__,2,3))); -static void out1fmt __P((const char *, ...)) - __attribute__((__format__(__printf__,1,2))); -static void fmtstr __P((char *, size_t, const char *, ...)) - __attribute__((__format__(__printf__,3,4))); -#ifndef USE_GLIBC_STDIO -static void doformat __P((struct output *, const char *, va_list)); -#endif -static int xwrite __P((int, const char *, int)); -#ifdef USE_GLIBC_STDIO -static void initstreams __P((void)); -static void openmemout __P((void)); -static int __closememout __P((void)); -#endif - -#define OUTPUT_ERR 01 /* error occurred on output */ - -#ifdef USE_GLIBC_STDIO -#define outc(c, o) putc((c), (o)->stream) -#define doformat(d, f, a) vfprintf((d)->stream, (f), (a)) -#else -#define outc(c, file) (--(file)->nleft < 0? outcslow((c), (file)) : (*(file)->nextc = (c), (file)->nextc++)) -#endif -#define out1c(c) outc((c), out1) -#define out2c(c) outc((c), out2) -#define out1str(s) outstr((s), out1) -#define out2str(s) outstr((s), out2) -#define outerr(f) ((f)->flags & OUTPUT_ERR) - - - -/* $NetBSD: parser.h,v 1.14 2000/07/27 04:09:28 cgd Exp $ */ -/* control characters in argument strings */ -#define CTLESC '\201' -#define CTLVAR '\202' -#define CTLENDVAR '\203' -#define CTLBACKQ '\204' -#define CTLQUOTE 01 /* ored with CTLBACKQ code if in quotes */ -/* CTLBACKQ | CTLQUOTE == '\205' */ -#define CTLARI '\206' -#define CTLENDARI '\207' -#define CTLQUOTEMARK '\210' - -/* variable substitution byte (follows CTLVAR) */ -#define VSTYPE 0x0f /* type of variable substitution */ -#define VSNUL 0x10 /* colon--treat the empty string as unset */ -#define VSQUOTE 0x80 /* inside double quotes--suppress splitting */ - -/* values of VSTYPE field */ -#define VSNORMAL 0x1 /* normal variable: $var or ${var} */ -#define VSMINUS 0x2 /* ${var-text} */ -#define VSPLUS 0x3 /* ${var+text} */ -#define VSQUESTION 0x4 /* ${var?message} */ -#define VSASSIGN 0x5 /* ${var=text} */ -#define VSTRIMLEFT 0x6 /* ${var#pattern} */ -#define VSTRIMLEFTMAX 0x7 /* ${var##pattern} */ -#define VSTRIMRIGHT 0x8 /* ${var%pattern} */ -#define VSTRIMRIGHTMAX 0x9 /* ${var%%pattern} */ -#define VSLENGTH 0xa /* ${#var} */ - - -/* - * NEOF is returned by parsecmd when it encounters an end of file. It - * must be distinct from NULL, so we use the address of a variable that - * happens to be handy. - */ -extern int tokpushback; -#define NEOF ((union node *)&tokpushback) -extern int whichprompt; /* 1 == PS1, 2 == PS2 */ -extern int checkalias; - - -union node *parsecmd(int); -static void fixredir(union node *, const char *, int); -static int goodname(char *); -static const char *getprompt(void *); -static int isassignment __P((const char *)); -static const char *const *findkwd __P((const char *)); - - -/* $NetBSD: redir.h,v 1.12 2000/05/22 10:18:47 elric Exp $ */ -/* flags passed to redirect */ -#define REDIR_PUSH 01 /* save previous values of file descriptors */ -#define REDIR_BACKQ 02 /* save the command output in memory */ - -extern int fileno2; - -static void redirect __P((union node *, int)); -static void popredir __P((void)); -static int fd0_redirected_p __P((void)); -static void clearredir __P((void)); -static int dup_as_newfd __P((int, int)); - - - - -/* $NetBSD: show.h,v 1.4 1999/10/08 21:10:44 pk Exp $ */ -#ifdef DEBUG -static void trace __P((const char *, ...)); -static void trargs __P((char **)); -static void showtree __P((union node *)); -static void trputc __P((int)); -static void trputs __P((const char *)); -static void opentrace __P((void)); -#endif -/* - * This file was generated by the mksyntax program. - */ - -#ifdef CEOF -#undef CEOF -#endif - -/* Syntax classes */ -#define CWORD 0 /* character is nothing special */ -#define CNL 1 /* newline character */ -#define CBACK 2 /* a backslash character */ -#define CSQUOTE 3 /* single quote */ -#define CDQUOTE 4 /* double quote */ -#define CENDQUOTE 5 /* a terminating quote */ -#define CBQUOTE 6 /* backwards single quote */ -#define CVAR 7 /* a dollar sign */ -#define CENDVAR 8 /* a '}' character */ -#define CLP 9 /* a left paren in arithmetic */ -#define CRP 10 /* a right paren in arithmetic */ -#define CEOF 11 /* end of file */ -#define CCTL 12 /* like CWORD, except it must be escaped */ -#define CSPCL 13 /* these terminate a word */ -#define CIGN 14 /* character should be ignored */ - -/* Syntax classes for is_ functions */ -#define ISDIGIT 01 /* a digit */ -#define ISUPPER 02 /* an upper case letter */ -#define ISLOWER 04 /* a lower case letter */ -#define ISUNDER 010 /* an underscore */ -#define ISSPECL 020 /* the name of a special parameter */ - -#define SYNBASE 130 -#define PEOF -130 - -#define PEOA -129 - - -#define BASESYNTAX (basesyntax + SYNBASE) -#define DQSYNTAX (dqsyntax + SYNBASE) -#define SQSYNTAX (sqsyntax + SYNBASE) -#define ARISYNTAX (arisyntax + SYNBASE) - -#define is_digit(c) ((unsigned)((c) - '0') <= 9) -#define is_alpha(c) (((c) < CTLESC || (c) > CTLENDARI) && isalpha((unsigned char) (c))) -#define is_name(c) (((c) < CTLESC || (c) > CTLENDARI) && ((c) == '_' || isalpha((unsigned char) (c)))) -#define is_in_name(c) (((c) < CTLESC || (c) > CTLENDARI) && ((c) == '_' || isalnum((unsigned char) (c)))) -#define is_special(c) ((is_type+SYNBASE)[c] & (ISSPECL|ISDIGIT)) -#define digit_val(c) ((c) - '0') - -extern const char basesyntax[]; -extern const char dqsyntax[]; -extern const char sqsyntax[]; -extern const char arisyntax[]; -extern const char is_type[]; -#define TEOF 0 -#define TNL 1 -#define TSEMI 2 -#define TBACKGND 3 -#define TAND 4 -#define TOR 5 -#define TPIPE 6 -#define TLP 7 -#define TRP 8 -#define TENDCASE 9 -#define TENDBQUOTE 10 -#define TREDIR 11 -#define TWORD 12 -#define TASSIGN 13 -#define TNOT 14 -#define TCASE 15 -#define TDO 16 -#define TDONE 17 -#define TELIF 18 -#define TELSE 19 -#define TESAC 20 -#define TFI 21 -#define TFOR 22 -#define TIF 23 -#define TIN 24 -#define TTHEN 25 -#define TUNTIL 26 -#define TWHILE 27 -#define TBEGIN 28 -#define TEND 29 - -/* Array indicating which tokens mark the end of a list */ -static const char tokendlist[] = { - 1, - 0, - 0, - 0, - 0, - 0, - 0, - 0, - 1, - 1, - 1, - 0, - 0, - 0, - 0, - 0, - 1, - 1, - 1, - 1, - 1, - 1, - 0, - 0, - 0, - 1, - 0, - 0, - 0, - 1, -}; - -static const char *const tokname[] = { - "end of file", - "newline", - "\";\"", - "\"&\"", - "\"&&\"", - "\"||\"", - "\"|\"", - "\"(\"", - "\")\"", - "\";;\"", - "\"`\"", - "redirection", - "word", - "assignment", - "\"!\"", - "\"case\"", - "\"do\"", - "\"done\"", - "\"elif\"", - "\"else\"", - "\"esac\"", - "\"fi\"", - "\"for\"", - "\"if\"", - "\"in\"", - "\"then\"", - "\"until\"", - "\"while\"", - "\"{\"", - "\"}\"", -}; - -#define KWDOFFSET 14 - -static const char *const parsekwd[] = { - "!", - "case", - "do", - "done", - "elif", - "else", - "esac", - "fi", - "for", - "if", - "in", - "then", - "until", - "while", - "{", - "}" -}; - - - - -/* $NetBSD: trap.h,v 1.14 2000/05/22 10:18:47 elric Exp $ */ -extern int pendingsigs; - -static int trapcmd __P((int, char **)); -static void clear_traps __P((void)); -static void setsignal __P((int)); -static void ignoresig __P((int)); -static void onsig __P((int)); -static void dotrap __P((void)); -static void setinteractive __P((int)); -static void exitshell __P((int)) __attribute__((noreturn)); -static int decode_signal __P((const char *, int)); - - - -/* $NetBSD: var.h,v 1.18 2000/05/22 10:18:47 elric Exp $ */ - -/* - * Shell variables. - */ - -/* flags */ -#define VEXPORT 0x01 /* variable is exported */ -#define VREADONLY 0x02 /* variable cannot be modified */ -#define VSTRFIXED 0x04 /* variable struct is staticly allocated */ -#define VTEXTFIXED 0x08 /* text is staticly allocated */ -#define VSTACK 0x10 /* text is allocated on the stack */ -#define VUNSET 0x20 /* the variable is not set */ -#define VNOFUNC 0x40 /* don't call the callback function */ - - -struct var { - struct var *next; /* next entry in hash list */ - int flags; /* flags are defined above */ - char *text; /* name=value */ - void (*func) __P((const char *)); - /* function to be called when */ - /* the variable gets set/unset */ -}; - - -struct localvar { - struct localvar *next; /* next local variable in list */ - struct var *vp; /* the variable that was made local */ - int flags; /* saved flags */ - char *text; /* saved text */ -}; - - -extern struct localvar *localvars; - -#if ATTY -extern struct var vatty; -#endif -extern struct var vifs; -extern struct var vmail; -extern struct var vmpath; -extern struct var vpath; -extern struct var vps1; -extern struct var vps2; -#ifndef SMALL -extern struct var vterm; -extern struct var vtermcap; -extern struct var vhistsize; -#endif - -#ifdef IFS_BROKEN -extern const char defifsvar[]; -#define defifs (defifsvar + 4) -#else -extern const char defifs[]; -#endif -extern const char defpathvar[]; -#define defpath (defpathvar + 5) - -/* - * The following macros access the values of the above variables. - * They have to skip over the name. They return the null string - * for unset variables. - */ - -#define ifsval() (vifs.text + 4) -#define ifsset() ((vifs.flags & VUNSET) == 0) -#define mailval() (vmail.text + 5) -#define mpathval() (vmpath.text + 9) -#define pathval() (vpath.text + 5) -#define ps1val() (vps1.text + 4) -#define ps2val() (vps2.text + 4) -#define optindval() (voptind.text + 7) -#ifndef SMALL -#define histsizeval() (vhistsize.text + 9) -#define termval() (vterm.text + 5) -#endif - -#if ATTY -#define attyset() ((vatty.flags & VUNSET) == 0) -#endif -#define mpathset() ((vmpath.flags & VUNSET) == 0) - -static void initvar __P((void)); -static void setvar __P((const char *, const char *, int)); -static void setvareq __P((char *, int)); -struct strlist; -static void listsetvar __P((struct strlist *)); -static char *lookupvar __P((const char *)); -static char *bltinlookup __P((const char *)); -static char **environment __P((void)); -static void shprocvar __P((void)); -static int showvarscmd __P((int, char **)); -static int exportcmd __P((int, char **)); -static int localcmd __P((int, char **)); -static void mklocal __P((char *)); -static void poplocalvars __P((void)); -static int setvarcmd __P((int, char **)); -static int unsetcmd __P((int, char **)); -static int unsetvar __P((const char *)); -static int varequal __P((const char *, const char *)); - -- cgit v1.2.3