/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include "stdinc.h"#include <ctype.h> #include "9.h" int Dflag;int mempcnt;			/* for 9fsys.c */char* none = "none";char* foptname = "/none/such"; static voidusage(void){	fprint(2, "usage: %s [-Dt] [-c cmd] [-f partition] [-m %%]\n", argv0);	exits("usage");} static voidreadCmdPart(char *file, char ***pcmd, int *pncmd){	char buf[1024+1], *f[1024];	char tbuf[1024];	int nf;	int i, fd, n;	char **cmd, *p;	int ncmd; 	cmd = *pcmd;	ncmd = *pncmd; 	if((fd = open(file, OREAD)) < 0)		sysfatal("open %s: %r", file);	if(seek(fd, 127*1024, 0) != 127*1024)		sysfatal("seek %s 127kB: %r", file);	n = readn(fd, buf, sizeof buf-1);	if(n == 0)		sysfatal("short read of %s at 127kB", file);	if(n < 0)		sysfatal("read %s: %r", file);	buf[n] = 0;	if(memcmp(buf, "fossil config\n", 6+1+6+1) != 0)		sysfatal("bad config magic in %s", file);	nf = getfields(buf+6+1+6+1, f, nelem(f), 1, "\n");	for(i=0; i<nf; i++){		if(f[i][0] == '#')			continue;		cmd = vtMemRealloc(cmd, (ncmd+1)*sizeof(char*));		/* expand argument '*' to mean current file */		if((p = strchr(f[i], '*')) && (p==f[i]||isspace(p[-1])) && (p[1]==0||isspace(p[1]))){			memmove(tbuf, f[i], p-f[i]);			strecpy(tbuf+(p-f[i]), tbuf+sizeof tbuf, file);			strecpy(tbuf+strlen(tbuf), tbuf+sizeof tbuf, p+1);			f[i] = tbuf;		}		cmd[ncmd++] = vtStrDup(f[i]);	}	close(fd);	*pcmd = cmd;	*pncmd = ncmd;} voidmain(int argc, char* argv[]){	char **cmd, *p;	int i, ncmd, tflag; 	fmtinstall('D', dirfmt);	fmtinstall('F', fcallfmt);	fmtinstall('M', dirmodefmt);	quotefmtinstall(); 	/*	 * Insulate from the invoker's environment.	 */	if(rfork(RFREND|RFNOTEG|RFNAMEG) < 0)		sysfatal("rfork: %r"); 	close(0);	open("/dev/null", OREAD);	close(1);	open("/dev/null", OWRITE); 	cmd = nil;	ncmd = tflag = 0; 	vtAttach(); 	ARGBEGIN{	case '?':	default:		usage();		break;	case 'c':		p = EARGF(usage());		currfsysname = p;		cmd = vtMemRealloc(cmd, (ncmd+1)*sizeof(char*));		cmd[ncmd++] = p;		break;	case 'D':		Dflag ^= 1;		break;	case 'f':		p = EARGF(usage());		currfsysname = foptname = p;		readCmdPart(p, &cmd, &ncmd);		break;	case 'm':		mempcnt = atoi(EARGF(usage()));		if(mempcnt <= 0 || mempcnt >= 100)			usage();		break;	case 't':		tflag = 1;		break;	}ARGEND	if(argc != 0)		usage(); 	consInit();	cliInit();	msgInit();	conInit();	cmdInit();	fsysInit();	exclInit();	fidInit(); 	srvInit();	lstnInit();	usersInit(); 	for(i = 0; i < ncmd; i++)		if(cliExec(cmd[i]) == 0)			fprint(2, "%s: %R\n", cmd[i]);	vtMemFree(cmd); 	if(tflag && consTTY() == 0)		consPrint("%s\n", vtGetError()); 	vtDetach();	exits(0);}