[unix-history] / usr / src / bin / csh / init.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley Software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char *sccsid = "@(#)init.c	5.4 (Berkeley) %G%";
#endif

#include "sh.local.h"

/*
 * C shell
 */

extern	int doalias();
extern	int dobg();
extern	int dobreak();
extern	int dochngd();
extern	int docontin();
extern	int dodirs();
extern	int doecho();
extern	int doelse();
extern	int doend();
extern	int doendif();
extern	int doendsw();
extern	int doeval();
extern	int doexit();
extern	int dofg();
extern	int doforeach();
extern	int doglob();
extern	int dogoto();
extern	int dohash();
extern	int dohist();
extern	int doif();
extern	int dojobs();
extern	int dokill();
extern	int dolet();
extern	int dolimit();
extern	int dologin();
extern	int dologout();
extern	int donice();
extern	int donotify();
extern	int donohup();
extern	int doonintr();
extern	int dopopd();
extern	int dopushd();
extern	int dorepeat();
extern	int doset();
extern	int dosetenv();
extern	int dosource();
extern	int dostop();
extern	int dosuspend();
extern	int doswbrk();
extern	int doswitch();
extern	int dotime();
extern	int dounlimit();
extern	int doumask();
extern	int dowait();
extern	int dowhile();
extern	int dozip();
extern	int execash();
extern	int goodbye();
#ifdef VFORK
extern	int hashstat();
#endif
extern	int shift();
extern	int showall();
extern	int unalias();
extern	int dounhash();
extern	int unset();
extern	int dounsetenv();

#define	INF	1000

struct	biltins {
	char	*bname;
	int	(*bfunct)();
	short	minargs, maxargs;
} bfunc[] = {
	"@",		dolet,		0,	INF,
	"alias",	doalias,	0,	INF,
	"alloc",	showall,	0,	1,
	"bg",		dobg,		0,	INF,
	"break",	dobreak,	0,	0,
	"breaksw",	doswbrk,	0,	0,
	"case",		dozip,		0,	1,
	"cd",		dochngd,	0,	1,
	"chdir",	dochngd,	0,	1,
	"continue",	docontin,	0,	0,
	"default",	dozip,		0,	0,
	"dirs",		dodirs,		0,	1,
	"echo",		doecho,		0,	INF,
	"else",		doelse,		0,	INF,
	"end",		doend,		0,	0,
	"endif",	dozip,		0,	0,
	"endsw",	dozip,		0,	0,
	"eval",		doeval,		0,	INF,
	"exec",		execash,	1,	INF,
	"exit",		doexit,		0,	INF,
	"fg",		dofg,		0,	INF,
	"foreach",	doforeach,	3,	INF,
	"glob",		doglob,		0,	INF,
	"goto",		dogoto,		1,	1,
#ifdef VFORK
	"hashstat",	hashstat,	0,	0,
#endif
	"history",	dohist,		0,	2,
	"if",		doif,		1,	INF,
	"jobs",		dojobs,		0,	1,
	"kill",		dokill,		1,	INF,
	"limit",	dolimit,	0,	3,
	"login",	dologin,	0,	1,
	"logout",	dologout,	0,	0,
	"nice",		donice,		0,	INF,
	"nohup",	donohup,	0,	INF,
	"notify",	donotify,	0,	INF,
	"onintr",	doonintr,	0,	2,
	"popd",		dopopd,		0,	1,
	"pushd",	dopushd,	0,	1,
	"rehash",	dohash,		0,	0,
	"repeat",	dorepeat,	2,	INF,
	"set",		doset,		0,	INF,
	"setenv",	dosetenv,	0,	2,
	"shift",	shift,		0,	1,
	"source",	dosource,	1,	2,
	"stop",		dostop,		1,	INF,
	"suspend",	dosuspend,	0,	0,
	"switch",	doswitch,	1,	INF,
	"time",		dotime,		0,	INF,
	"umask",	doumask,	0,	1,
	"unalias",	unalias,	1,	INF,
	"unhash",	dounhash,	0,	0,
	"unlimit",	dounlimit,	0,	INF,
	"unset",	unset,		1,	INF,
	"unsetenv",	dounsetenv,	1,	INF,
	"wait",		dowait,		0,	0,
	"while",	dowhile,	1,	INF,
};
int nbfunc = sizeof bfunc / sizeof *bfunc;

#define	ZBREAK		0
#define	ZBRKSW		1
#define	ZCASE		2
#define	ZDEFAULT 	3
#define	ZELSE		4
#define	ZEND		5
#define	ZENDIF		6
#define	ZENDSW		7
#define	ZEXIT		8
#define	ZFOREACH	9
#define	ZGOTO		10
#define	ZIF		11
#define	ZLABEL		12
#define	ZLET		13
#define	ZSET		14
#define	ZSWITCH		15
#define	ZTEST		16
#define	ZTHEN		17
#define	ZWHILE		18

struct srch {
	char	*s_name;
	short	s_value;
} srchn[] = {
	"@",		ZLET,
	"break",	ZBREAK,
	"breaksw",	ZBRKSW,
	"case",		ZCASE,
	"default", 	ZDEFAULT,
	"else",		ZELSE,
	"end",		ZEND,
	"endif",	ZENDIF,
	"endsw",	ZENDSW,
	"exit",		ZEXIT,
	"foreach", 	ZFOREACH,
	"goto",		ZGOTO,
	"if",		ZIF,
	"label",	ZLABEL,
	"set",		ZSET,
	"switch",	ZSWITCH,
	"while",	ZWHILE,
};
int nsrchn = sizeof srchn / sizeof *srchn;

struct	mesg {
	char	*iname;
	char	*pname;
} mesg[] = {
	0,	0,
	"HUP",	"Hangup",
	"INT",	"Interrupt",	
	"QUIT",	"Quit",
	"ILL",	"Illegal instruction",
	"TRAP",	"Trace/BPT trap",
	"IOT",	"IOT trap",
	"EMT",	"EMT trap",
	"FPE",	"Floating exception",
	"KILL",	"Killed",
	"BUS",	"Bus error",
	"SEGV",	"Segmentation fault",
	"SYS",	"Bad system call",
	"PIPE",	"Broken pipe",
	"ALRM",	"Alarm clock",
	"TERM",	"Terminated",
	"URG",	"Urgent I/O condition",
	"STOP",	"Suspended (signal)",
	"TSTP",	"Suspended",
	"CONT",	"Continued",
	"CHLD",	"Child exited",
	"TTIN", "Suspended (tty input)",
	"TTOU", "Suspended (tty output)",
	"IO",	"I/O possible",
	"XCPU",	"Cputime limit exceeded",
	"XFSZ", "Filesize limit exceeded",
	"VTALRM","Virtual timer expired",
	"PROF",	"Profiling timer expired",
	"WINCH","Window size changed",
	0,	"Signal 29",
	"USR1",	"User defined signal 1",
	"USR2",	"User defined signal 2",
	0,	"Signal 32"
};
Commit	Line	Data
b79f4fa9 DF	1	/*
b79f4fa9 DF	2	* Copyright (c) 1980 Regents of the University of California.
094e80ed	3	* All rights reserved. The Berkeley Software License Agreement
b79f4fa9 DF	4	* specifies the terms and conditions for redistribution.
	5	*/
	6
35371dec	7	#ifndef lint
5fe577ad	8	static char *sccsid = "@(#)init.c 5.4 (Berkeley) %G%";
094e80ed	9	#endif
90503b97 BJ	10
	11	#include "sh.local.h"
	12
	13	/*
	14	* C shell
	15	*/
	16
	17	extern int doalias();
	18	extern int dobg();
	19	extern int dobreak();
	20	extern int dochngd();
	21	extern int docontin();
	22	extern int dodirs();
	23	extern int doecho();
	24	extern int doelse();
	25	extern int doend();
	26	extern int doendif();
	27	extern int doendsw();
	28	extern int doeval();
	29	extern int doexit();
	30	extern int dofg();
	31	extern int doforeach();
	32	extern int doglob();
	33	extern int dogoto();
	34	extern int dohash();
	35	extern int dohist();
	36	extern int doif();
	37	extern int dojobs();
	38	extern int dokill();
	39	extern int dolet();
	40	extern int dolimit();
	41	extern int dologin();
	42	extern int dologout();
90503b97 BJ	43	extern int donice();
	44	extern int donotify();
	45	extern int donohup();
	46	extern int doonintr();
	47	extern int dopopd();
	48	extern int dopushd();
	49	extern int dorepeat();
	50	extern int doset();
	51	extern int dosetenv();
	52	extern int dosource();
	53	extern int dostop();
	54	extern int dosuspend();
	55	extern int doswbrk();
	56	extern int doswitch();
	57	extern int dotime();
	58	extern int dounlimit();
	59	extern int doumask();
	60	extern int dowait();
	61	extern int dowhile();
	62	extern int dozip();
	63	extern int execash();
	64	extern int goodbye();
	65	#ifdef VFORK
	66	extern int hashstat();
	67	#endif
	68	extern int shift();
	69	extern int showall();
	70	extern int unalias();
	71	extern int dounhash();
	72	extern int unset();
	73	extern int dounsetenv();
	74
	75	#define INF 1000
	76
	77	struct biltins {
	78	char *bname;
	79	int (*bfunct)();
	80	short minargs, maxargs;
	81	} bfunc[] = {
	82	"@", dolet, 0, INF,
	83	"alias", doalias, 0, INF,
90503b97	84	"alloc", showall, 0, 1,
90503b97 BJ	85	"bg", dobg, 0, INF,
	86	"break", dobreak, 0, 0,
	87	"breaksw", doswbrk, 0, 0,
90503b97 BJ	88	"case", dozip, 0, 1,
	89	"cd", dochngd, 0, 1,
	90	"chdir", dochngd, 0, 1,
	91	"continue", docontin, 0, 0,
	92	"default", dozip, 0, 0,
	93	"dirs", dodirs, 0, 1,
	94	"echo", doecho, 0, INF,
	95	"else", doelse, 0, INF,
	96	"end", doend, 0, 0,
	97	"endif", dozip, 0, 0,
	98	"endsw", dozip, 0, 0,
	99	"eval", doeval, 0, INF,
	100	"exec", execash, 1, INF,
	101	"exit", doexit, 0, INF,
	102	"fg", dofg, 0, INF,
	103	"foreach", doforeach, 3, INF,
90503b97 BJ	104	"glob", doglob, 0, INF,
	105	"goto", dogoto, 1, 1,
	106	#ifdef VFORK
	107	"hashstat", hashstat, 0, 0,
	108	#endif
	109	"history", dohist, 0, 2,
	110	"if", doif, 1, INF,
	111	"jobs", dojobs, 0, 1,
	112	"kill", dokill, 1, INF,
	113	"limit", dolimit, 0, 3,
	114	"login", dologin, 0, 1,
	115	"logout", dologout, 0, 0,
90503b97 BJ	116	"nice", donice, 0, INF,
	117	"nohup", donohup, 0, INF,
	118	"notify", donotify, 0, INF,
	119	"onintr", doonintr, 0, 2,
	120	"popd", dopopd, 0, 1,
	121	"pushd", dopushd, 0, 1,
90503b97 BJ	122	"rehash", dohash, 0, 0,
	123	"repeat", dorepeat, 2, INF,
	124	"set", doset, 0, INF,
c349da0d	125	"setenv", dosetenv, 0, 2,
90503b97	126	"shift", shift, 0, 1,
3d48fab8	127	"source", dosource, 1, 2,
90503b97 BJ	128	"stop", dostop, 1, INF,
	129	"suspend", dosuspend, 0, 0,
	130	"switch", doswitch, 1, INF,
	131	"time", dotime, 0, INF,
	132	"umask", doumask, 0, 1,
	133	"unalias", unalias, 1, INF,
	134	"unhash", dounhash, 0, 0,
	135	"unlimit", dounlimit, 0, INF,
	136	"unset", unset, 1, INF,
	137	"unsetenv", dounsetenv, 1, INF,
	138	"wait", dowait, 0, 0,
	139	"while", dowhile, 1, INF,
90503b97	140	};
35371dec	141	int nbfunc = sizeof bfunc / sizeof *bfunc;
90503b97 BJ	142
	143	#define ZBREAK 0
	144	#define ZBRKSW 1
	145	#define ZCASE 2
	146	#define ZDEFAULT 3
	147	#define ZELSE 4
	148	#define ZEND 5
	149	#define ZENDIF 6
	150	#define ZENDSW 7
	151	#define ZEXIT 8
	152	#define ZFOREACH 9
	153	#define ZGOTO 10
	154	#define ZIF 11
	155	#define ZLABEL 12
	156	#define ZLET 13
	157	#define ZSET 14
	158	#define ZSWITCH 15
	159	#define ZTEST 16
	160	#define ZTHEN 17
	161	#define ZWHILE 18
	162
	163	struct srch {
	164	char *s_name;
	165	short s_value;
	166	} srchn[] = {
	167	"@", ZLET,
	168	"break", ZBREAK,
	169	"breaksw", ZBRKSW,
	170	"case", ZCASE,
	171	"default", ZDEFAULT,
	172	"else", ZELSE,
	173	"end", ZEND,
	174	"endif", ZENDIF,
	175	"endsw", ZENDSW,
	176	"exit", ZEXIT,
	177	"foreach", ZFOREACH,
	178	"goto", ZGOTO,
	179	"if", ZIF,
	180	"label", ZLABEL,
	181	"set", ZSET,
	182	"switch", ZSWITCH,
	183	"while", ZWHILE,
90503b97	184	};
35371dec	185	int nsrchn = sizeof srchn / sizeof *srchn;
90503b97 BJ	186
	187	struct mesg {
	188	char *iname;
	189	char *pname;
	190	} mesg[] = {
	191	0, 0,
	192	"HUP", "Hangup",
	193	"INT", "Interrupt",
	194	"QUIT", "Quit",
	195	"ILL", "Illegal instruction",
	196	"TRAP", "Trace/BPT trap",
	197	"IOT", "IOT trap",
	198	"EMT", "EMT trap",
	199	"FPE", "Floating exception",
	200	"KILL", "Killed",
	201	"BUS", "Bus error",
	202	"SEGV", "Segmentation fault",
	203	"SYS", "Bad system call",
	204	"PIPE", "Broken pipe",
	205	"ALRM", "Alarm clock",
	206	"TERM", "Terminated",
35371dec	207	"URG", "Urgent I/O condition",
9c279653 KB	208	"STOP", "Suspended (signal)",
9c279653 KB	209	"TSTP", "Suspended",
90503b97 BJ	210	"CONT", "Continued",
90503b97 BJ	211	"CHLD", "Child exited",
9c279653 KB	212	"TTIN", "Suspended (tty input)",
9c279653 KB	213	"TTOU", "Suspended (tty output)",
35371dec	214	"IO", "I/O possible",
90503b97 BJ	215	"XCPU", "Cputime limit exceeded",
90503b97 BJ	216	"XFSZ", "Filesize limit exceeded",
35371dec EW	217	"VTALRM","Virtual timer expired",
35371dec EW	218	"PROF", "Profiling timer expired",
c65b8cef	219	"WINCH","Window size changed",
90503b97	220	0, "Signal 29",
2ec6024a KM	221	"USR1", "User defined signal 1",
2ec6024a KM	222	"USR2", "User defined signal 2",
90503b97 BJ	223	0, "Signal 32"
90503b97 BJ	224	};