Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/rcs/rcsprog.c	Lines:	25	284	8.8 %
Date:	2016-12-06	Branches:	6	198	3.0 %


/*	$OpenBSD: rcsprog.c,v 1.161 2016/07/04 01:39:12 millert Exp $	*/
/*
 * Copyright (c) 2005 Jean-Francois Brousseau <jfb@openbsd.org>
 * All rights reserved.
 *
 * 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. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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.
 */

#include <sys/stat.h>

#include <err.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "rcsprog.h"

#define RCSPROG_OPTSTRING	"A:a:b::c:e::Iik:Ll::m:Mn:N:o:qt::TUu::Vx::z::"

const char rcs_version[] = "OpenRCS 4.5";

int	 rcsflags;
int	 rcs_optind;
char	*rcs_optarg;
char	*rcs_suffixes = RCS_DEFAULT_SUFFIX;
char	*rcs_tmpdir = RCS_TMPDIR_DEFAULT;

struct rcs_prog {
	char	*prog_name;
	int	(*prog_hdlr)(int, char **);
	void	(*prog_usage)(void);
} programs[] = {
	{ "rcs",	rcs_main,	rcs_usage	},
	{ "ci",		checkin_main,	checkin_usage   },
	{ "co",		checkout_main,	checkout_usage  },
	{ "rcsclean",	rcsclean_main,	rcsclean_usage	},
	{ "rcsdiff",	rcsdiff_main,	rcsdiff_usage	},
	{ "rcsmerge",	rcsmerge_main,	rcsmerge_usage	},
	{ "rlog",	rlog_main,	rlog_usage	},
	{ "ident",	ident_main,	ident_usage	},
	{ "merge",	merge_main,	merge_usage	},
};

struct wklhead temp_files;

void sighdlr(int);
static void  rcs_attach_symbol(RCSFILE *, const char *);

/* ARGSUSED */
void
sighdlr(int sig)
{
	worklist_clean(&temp_files, worklist_unlink);
	_exit(1);
}

int
build_cmd(char ***cmd_argv, char **argv, int argc)
{
	int cmd_argc, i, cur;
	char *cp, *rcsinit, *linebuf, *lp;

	if ((rcsinit = getenv("RCSINIT")) == NULL) {
		*cmd_argv = argv;
		return argc;
	}

	cur = argc + 2;
	cmd_argc = 0;
	*cmd_argv = xcalloc(cur, sizeof(char *));
	(*cmd_argv)[cmd_argc++] = argv[0];

	linebuf = xstrdup(rcsinit);
	for (lp = linebuf; lp != NULL;) {
		cp = strsep(&lp, " \t\b\f\n\r\t\v");
		if (cp == NULL)
			break;
		if (*cp == '\0')
			continue;

		if (cmd_argc == cur) {
			cur += 8;
			*cmd_argv = xreallocarray(*cmd_argv, cur,
			    sizeof(char *));
		}

		(*cmd_argv)[cmd_argc++] = cp;
	}

	if (cmd_argc + argc > cur) {
		cur = cmd_argc + argc + 1;
		*cmd_argv = xreallocarray(*cmd_argv, cur,
		    sizeof(char *));
	}

	for (i = 1; i < argc; i++)
		(*cmd_argv)[cmd_argc++] = argv[i];

	(*cmd_argv)[cmd_argc] = NULL;

	return cmd_argc;
}

int
main(int argc, char **argv)
{
	u_int i;
	char **cmd_argv;
	int ret, cmd_argc;

	if (pledge("stdio rpath wpath cpath fattr flock getpw", NULL) == -1)
		err(2, "pledge");

	ret = -1;
	rcs_optind = 1;
	SLIST_INIT(&temp_files);

	cmd_argc = build_cmd(&cmd_argv, argv, argc);

	if ((rcs_tmpdir = getenv("TMPDIR")) == NULL)
		rcs_tmpdir = RCS_TMPDIR_DEFAULT;

	signal(SIGHUP, sighdlr);
	signal(SIGINT, sighdlr);
	signal(SIGQUIT, sighdlr);
	signal(SIGABRT, sighdlr);
	signal(SIGALRM, sighdlr);
	signal(SIGTERM, sighdlr);

	for (i = 0; i < (sizeof(programs)/sizeof(programs[0])); i++)
		if (strcmp(__progname, programs[i].prog_name) == 0) {
			usage = programs[i].prog_usage;
			ret = programs[i].prog_hdlr(cmd_argc, cmd_argv);
			break;
		}

	/* clean up temporary files */
	worklist_run(&temp_files, worklist_unlink);

	exit(ret);
}


__dead void
rcs_usage(void)
{
	fprintf(stderr,
	    "usage: rcs [-IiLqTUV] [-Aoldfile] [-ausers] [-b[rev]]\n"
	    "           [-cstring] [-e[users]] [-kmode] [-l[rev]] [-mrev:msg]\n"
	    "           [-orev] [-t[str]] [-u[rev]] [-xsuffixes] file ...\n");

	exit(1);
}

/*
 * rcs_main()
 *
 * Handler for the `rcs' program.
 * Returns 0 on success, or >0 on error.
 */
int
rcs_main(int argc, char **argv)
{
	int fd;
	int i, j, ch, flags, kflag, lkmode;
	const char *nflag, *oldfilename, *orange;
	char fpath[PATH_MAX];
	char *logstr, *logmsg, *descfile;
	char *alist, *comment, *elist, *lrev, *urev;
	mode_t fmode;
	RCSFILE *file;
	RCSNUM *logrev;
	struct rcs_access *acp;
	time_t rcs_mtime = -1;

	kflag = RCS_KWEXP_ERR;
	lkmode = RCS_LOCK_INVAL;
	fmode =  S_IRUSR|S_IRGRP|S_IROTH;
	flags = RCS_RDWR|RCS_PARSE_FULLY;
	lrev = urev = descfile = NULL;
	logstr = alist = comment = elist = NULL;
	nflag = oldfilename = orange = NULL;

	/* match GNU */
	if (1 < argc && argv[1][0] != '-')
		warnx("warning: No options were given; "
		    "this usage is obsolescent.");

	while ((ch = rcs_getopt(argc, argv, RCSPROG_OPTSTRING)) != -1) {
		switch (ch) {
		case 'A':
			oldfilename = rcs_optarg;
			rcsflags |= CO_ACLAPPEND;
			break;
		case 'a':
			alist = rcs_optarg;
			break;
		case 'c':
			comment = rcs_optarg;
			break;
		case 'e':
			elist = rcs_optarg;
			rcsflags |= RCSPROG_EFLAG;
			break;
		case 'I':
			rcsflags |= INTERACTIVE;
			break;
		case 'i':
			flags |= RCS_CREATE;
			break;
		case 'k':
			kflag = rcs_kflag_get(rcs_optarg);
			if (RCS_KWEXP_INVAL(kflag)) {
				warnx("invalid RCS keyword substitution mode");
				(usage)();
			}
			break;
		case 'L':
			if (lkmode == RCS_LOCK_LOOSE)
				warnx("-U overridden by -L");
			lkmode = RCS_LOCK_STRICT;
			break;
		case 'l':
			if (rcsflags & RCSPROG_UFLAG)
				warnx("-u overridden by -l");
			lrev = rcs_optarg;
			rcsflags &= ~RCSPROG_UFLAG;
			rcsflags |= RCSPROG_LFLAG;
			break;
		case 'm':
			free(logstr);
			logstr = xstrdup(rcs_optarg);
			break;
		case 'M':
			/* ignore for the moment */
			break;
		case 'n':
			nflag = rcs_optarg;
			break;
		case 'N':
			nflag = rcs_optarg;
			rcsflags |= RCSPROG_NFLAG;
			break;
		case 'o':
			orange = rcs_optarg;
			break;
		case 'q':
			rcsflags |= QUIET;
			break;
		case 't':
			descfile = rcs_optarg;
			rcsflags |= DESCRIPTION;
			break;
		case 'T':
			rcsflags |= PRESERVETIME;
			break;
		case 'U':
			if (lkmode == RCS_LOCK_STRICT)
				warnx("-L overridden by -U");
			lkmode = RCS_LOCK_LOOSE;
			break;
		case 'u':
			if (rcsflags & RCSPROG_LFLAG)
				warnx("-l overridden by -u");
			urev = rcs_optarg;
			rcsflags &= ~RCSPROG_LFLAG;
			rcsflags |= RCSPROG_UFLAG;
			break;
		case 'V':
			printf("%s\n", rcs_version);
			exit(0);
		case 'x':
			/* Use blank extension if none given. */
			rcs_suffixes = rcs_optarg ? rcs_optarg : "";
			break;
		case 'z':
			/*
			 * kept for compatibility
			 */
			break;
		default:
			(usage)();
		}
	}

	argc -= rcs_optind;
	argv += rcs_optind;

	if (argc == 0) {
		warnx("no input file");
		(usage)();
	}

	for (i = 0; i < argc; i++) {
		fd = rcs_choosefile(argv[i], fpath, sizeof(fpath));
		if (fd < 0 && !(flags & RCS_CREATE)) {
			warn("%s", fpath);
			continue;
		}

		if (!(rcsflags & QUIET))
			(void)fprintf(stderr, "RCS file: %s\n", fpath);

		if ((file = rcs_open(fpath, fd, flags, fmode)) == NULL) {
			close(fd);
			continue;
		}

		if (rcsflags & DESCRIPTION) {
			if (rcs_set_description(file, descfile, rcsflags) == -1) {
				warn("%s", descfile);
				rcs_close(file);
				continue;
			}
		}
		else if (flags & RCS_CREATE) {
			if (rcs_set_description(file, NULL, rcsflags) == -1) {
				warn("stdin");
				rcs_close(file);
				continue;
			}
		}

		if (rcsflags & PRESERVETIME)
			rcs_mtime = rcs_get_mtime(file);

		if (nflag != NULL)
			rcs_attach_symbol(file, nflag);

		if (logstr != NULL) {
			if ((logmsg = strchr(logstr, ':')) == NULL) {
				warnx("missing log message");
				rcs_close(file);
				continue;
			}

			*logmsg++ = '\0';
			if ((logrev = rcsnum_parse(logstr)) == NULL) {
				warnx("`%s' bad revision number", logstr);
				rcs_close(file);
				continue;
			}

			if (rcs_rev_setlog(file, logrev, logmsg) < 0) {
				warnx("failed to set logmsg for `%s' to `%s'",
				    logstr, logmsg);
				rcs_close(file);
				rcsnum_free(logrev);
				continue;
			}

			rcsnum_free(logrev);
		}

		/* entries to add from <oldfile> */
		if (rcsflags & CO_ACLAPPEND) {
			RCSFILE *oldfile;
			int ofd;
			char ofpath[PATH_MAX];

			ofd = rcs_choosefile(oldfilename, ofpath, sizeof(ofpath));
			if (ofd < 0) {
				if (!(flags & RCS_CREATE))
					warn("%s", ofpath);
				exit(1);
			}
			if ((oldfile = rcs_open(ofpath, ofd, RCS_READ)) == NULL)
				exit(1);

			TAILQ_FOREACH(acp, &(oldfile->rf_access), ra_list)
				rcs_access_add(file, acp->ra_name);

			rcs_close(oldfile);
			(void)close(ofd);
		}

		/* entries to add to the access list */
		if (alist != NULL) {
			struct rcs_argvector *aargv;

			aargv = rcs_strsplit(alist, ",");
			for (j = 0; aargv->argv[j] != NULL; j++)
				rcs_access_add(file, aargv->argv[j]);

			rcs_argv_destroy(aargv);
		}

		if (comment != NULL)
			rcs_comment_set(file, comment);

		if (elist != NULL) {
			struct rcs_argvector *eargv;

			eargv = rcs_strsplit(elist, ",");
			for (j = 0; eargv->argv[j] != NULL; j++)
				rcs_access_remove(file, eargv->argv[j]);

			rcs_argv_destroy(eargv);
		} else if (rcsflags & RCSPROG_EFLAG) {
			struct rcs_access *rap;

			/* XXX rcs_access_remove(file, NULL); ?? */
			while (!TAILQ_EMPTY(&(file->rf_access))) {
				rap = TAILQ_FIRST(&(file->rf_access));
				TAILQ_REMOVE(&(file->rf_access), rap, ra_list);
				free(rap->ra_name);
				free(rap);
			}
			/* not synced anymore */
			file->rf_flags &= ~RCS_SYNCED;
		}

		rcs_kwexp_set(file, kflag);

		if (lkmode != RCS_LOCK_INVAL)
			(void)rcs_lock_setmode(file, lkmode);

		if (rcsflags & RCSPROG_LFLAG) {
			RCSNUM *rev;
			const char *username;
			char rev_str[RCS_REV_BUFSZ];

			if (file->rf_head == NULL) {
				warnx("%s contains no revisions", fpath);
				rcs_close(file);
				continue;
			}

			if ((username = getlogin()) == NULL)
				err(1, "getlogin");
			if (lrev == NULL) {
				rev = rcsnum_alloc();
				rcsnum_cpy(file->rf_head, rev, 0);
			} else if ((rev = rcsnum_parse(lrev)) == NULL) {
				warnx("unable to unlock file");
				rcs_close(file);
				continue;
			}
			rcsnum_tostr(rev, rev_str, sizeof(rev_str));
			/* Make sure revision exists. */
			if (rcs_findrev(file, rev) == NULL)
				errx(1, "%s: cannot lock nonexisting "
				    "revision %s", fpath, rev_str);
			if (rcs_lock_add(file, username, rev) != -1 &&
			    !(rcsflags & QUIET))
				(void)fprintf(stderr, "%s locked\n", rev_str);
			rcsnum_free(rev);
		}

		if (rcsflags & RCSPROG_UFLAG) {
			RCSNUM *rev;
			const char *username;
			char rev_str[RCS_REV_BUFSZ];

			if (file->rf_head == NULL) {
				warnx("%s contains no revisions", fpath);
				rcs_close(file);
				continue;
			}

			if ((username = getlogin()) == NULL)
				err(1, "getlogin");
			if (urev == NULL) {
				rev = rcsnum_alloc();
				rcsnum_cpy(file->rf_head, rev, 0);
			} else if ((rev = rcsnum_parse(urev)) == NULL) {
				warnx("unable to unlock file");
				rcs_close(file);
				continue;
			}
			rcsnum_tostr(rev, rev_str, sizeof(rev_str));
			/* Make sure revision exists. */
			if (rcs_findrev(file, rev) == NULL)
				errx(1, "%s: cannot unlock nonexisting "
				    "revision %s", fpath, rev_str);
			if (rcs_lock_remove(file, username, rev) == -1 &&
			    !(rcsflags & QUIET))
				warnx("%s: warning: No locks are set.", fpath);
			else {
				if (!(rcsflags & QUIET))
					(void)fprintf(stderr,
					    "%s unlocked\n", rev_str);
			}
			rcsnum_free(rev);
		}

		if (orange != NULL) {
			struct rcs_delta *rdp, *nrdp;
			char b[RCS_REV_BUFSZ];

			rcs_rev_select(file, orange);
			for (rdp = TAILQ_FIRST(&(file->rf_delta));
			    rdp != NULL; rdp = nrdp) {
				nrdp = TAILQ_NEXT(rdp, rd_list);

				/*
				 * Delete selected revisions.
				 */
				if (rdp->rd_flags & RCS_RD_SELECT) {
					rcsnum_tostr(rdp->rd_num, b, sizeof(b));
					if (!(rcsflags & QUIET)) {
						(void)fprintf(stderr, "deleting"
						    " revision %s\n", b);
					}
					(void)rcs_rev_remove(file, rdp->rd_num);
				}
			}
		}

		rcs_write(file);

		if (rcsflags & PRESERVETIME)
			rcs_set_mtime(file, rcs_mtime);

		rcs_close(file);

		if (!(rcsflags & QUIET))
			(void)fprintf(stderr, "done\n");
	}

	return (0);
}

static void
rcs_attach_symbol(RCSFILE *file, const char *symname)
{
	char *rnum;
	RCSNUM *rev;
	char rbuf[RCS_REV_BUFSZ];
	int rm;

	rm = 0;
	rev = NULL;
	if ((rnum = strrchr(symname, ':')) != NULL) {
		if (rnum[1] == '\0')
			rev = file->rf_head;
		*(rnum++) = '\0';
	} else {
		rm = 1;
	}

	if (rev == NULL && rm != 1) {
		if ((rev = rcsnum_parse(rnum)) == NULL)
			errx(1, "bad revision %s", rnum);
	}

	if (rcsflags & RCSPROG_NFLAG)
		rm = 1;

	if (rm == 1) {
		if (rcs_sym_remove(file, symname) < 0) {
			if (rcs_errno == RCS_ERR_NOENT &&
			    !(rcsflags & RCSPROG_NFLAG))
				warnx("cannot delete nonexisting symbol %s",
				    symname);
		} else {
			if (rcsflags & RCSPROG_NFLAG)
				rm = 0;
		}
	}

	if (rm == 0) {
		if (rcs_sym_add(file, symname, rev) < 0 &&
		    rcs_errno == RCS_ERR_DUPENT) {
			rcsnum_tostr(rcs_sym_getrev(file, symname),
			    rbuf, sizeof(rbuf));
			errx(1, "symbolic name %s already bound to %s",
			    symname, rbuf);
		}
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: rcsprog.c,v 1.161 2016/07/04 01:39:12 millert Exp $ */
2			/*
3			* Copyright (c) 2005 Jean-Francois Brousseau <jfb@openbsd.org>
4			* All rights reserved.
5			*
6			* Redistribution and use in source and binary forms, with or without
7			* modification, are permitted provided that the following conditions
8			* are met:
9			*
10			* 1. Redistributions of source code must retain the above copyright
11			* notice, this list of conditions and the following disclaimer.
12			* 2. The name of the author may not be used to endorse or promote products
13			* derived from this software without specific prior written permission.
14			*
15			* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
16			* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17			* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
18			* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19			* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20			* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21			* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22			* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23			* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
24			* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25			*/
26
27			#include <sys/stat.h>
28
29			#include <err.h>
30			#include <signal.h>
31			#include <stdio.h>
32			#include <stdlib.h>
33			#include <string.h>
34			#include <unistd.h>
35
36			#include "rcsprog.h"
37
38			#define RCSPROG_OPTSTRING "A:a:b::c:e::Iik:Ll::m:Mn:N:o:qt::TUu::Vx::z::"
39
40			const char rcs_version[] = "OpenRCS 4.5";
41
42			int rcsflags;
43			int rcs_optind;
44			char *rcs_optarg;
45			char *rcs_suffixes = RCS_DEFAULT_SUFFIX;
46			char *rcs_tmpdir = RCS_TMPDIR_DEFAULT;
47
48			struct rcs_prog {
49			char *prog_name;
50			int (prog_hdlr)(int, char *);
51			void (*prog_usage)(void);
52			} programs[] = {
53			{ "rcs", rcs_main, rcs_usage },
54			{ "ci", checkin_main, checkin_usage },
55			{ "co", checkout_main, checkout_usage },
56			{ "rcsclean", rcsclean_main, rcsclean_usage },
57			{ "rcsdiff", rcsdiff_main, rcsdiff_usage },
58			{ "rcsmerge", rcsmerge_main, rcsmerge_usage },
59			{ "rlog", rlog_main, rlog_usage },
60			{ "ident", ident_main, ident_usage },
61			{ "merge", merge_main, merge_usage },
62			};
63
64			struct wklhead temp_files;
65
66			void sighdlr(int);
67			static void rcs_attach_symbol(RCSFILE , const char );
68
69			/* ARGSUSED */
70			void
71			sighdlr(int sig)
72			{
73			worklist_clean(&temp_files, worklist_unlink);
74			_exit(1);
75			}
76
77			int
78			build_cmd(char *cmd_argv, char argv, int argc)
79		1	{
80			int cmd_argc, i, cur;
81			char cp, rcsinit, linebuf, lp;
82
83	✓✗	1	if ((rcsinit = getenv("RCSINIT")) == NULL) {
84		1	*cmd_argv = argv;
85		1	return argc;
86			}
87
88			cur = argc + 2;
89			cmd_argc = 0;
90			cmd_argv = xcalloc(cur, sizeof(char ));
91			(*cmd_argv)[cmd_argc++] = argv[0];
92
93			linebuf = xstrdup(rcsinit);
94			for (lp = linebuf; lp != NULL;) {
95			cp = strsep(&lp, " \t\b\f\n\r\t\v");
96			if (cp == NULL)
97			break;
98			if (*cp == '\0')
99			continue;
100
101			if (cmd_argc == cur) {
102			cur += 8;
103			cmd_argv = xreallocarray(cmd_argv, cur,
104			sizeof(char *));
105			}
106
107			(*cmd_argv)[cmd_argc++] = cp;
108			}
109
110			if (cmd_argc + argc > cur) {
111			cur = cmd_argc + argc + 1;
112			cmd_argv = xreallocarray(cmd_argv, cur,
113			sizeof(char *));
114			}
115
116			for (i = 1; i < argc; i++)
117			(*cmd_argv)[cmd_argc++] = argv[i];
118
119			(*cmd_argv)[cmd_argc] = NULL;
120
121			return cmd_argc;
122			}
123
124			int
125			main(int argc, char **argv)
126		1	{
127			u_int i;
128			char **cmd_argv;
129			int ret, cmd_argc;
130
131	✗✓	1	if (pledge("stdio rpath wpath cpath fattr flock getpw", NULL) == -1)
132			err(2, "pledge");
133
134		1	ret = -1;
135		1	rcs_optind = 1;
136		1	SLIST_INIT(&temp_files);
137
138		1	cmd_argc = build_cmd(&cmd_argv, argv, argc);
139
140	✓✗	1	if ((rcs_tmpdir = getenv("TMPDIR")) == NULL)
141		1	rcs_tmpdir = RCS_TMPDIR_DEFAULT;
142
143		1	signal(SIGHUP, sighdlr);
144		1	signal(SIGINT, sighdlr);
145		1	signal(SIGQUIT, sighdlr);
146		1	signal(SIGABRT, sighdlr);
147		1	signal(SIGALRM, sighdlr);
148		1	signal(SIGTERM, sighdlr);
149
150	✓✗	9	for (i = 0; i < (sizeof(programs)/sizeof(programs[0])); i++)
151	✓✓	9	if (strcmp(__progname, programs[i].prog_name) == 0) {
152		1	usage = programs[i].prog_usage;
153		1	ret = programs[i].prog_hdlr(cmd_argc, cmd_argv);
154		1	break;
155			}
156
157			/* clean up temporary files */
158		1	worklist_run(&temp_files, worklist_unlink);
159
160		1	exit(ret);
161			}
162
163
164			__dead void
165			rcs_usage(void)
166			{
167			fprintf(stderr,
168			"usage: rcs [-IiLqTUV] [-Aoldfile] [-ausers] [-b[rev]]\n"
169			" [-cstring] [-e[users]] [-kmode] [-l[rev]] [-mrev:msg]\n"
170			" [-orev] [-t[str]] [-u[rev]] [-xsuffixes] file ...\n");
171
172			exit(1);
173			}
174
175			/*
176			* rcs_main()
177			*
178			* Handler for the `rcs' program.
179			* Returns 0 on success, or >0 on error.
180			*/
181			int
182			rcs_main(int argc, char **argv)
183			{
184			int fd;
185			int i, j, ch, flags, kflag, lkmode;
186			const char nflag, oldfilename, *orange;
187			char fpath[PATH_MAX];
188			char logstr, logmsg, *descfile;
189			char alist, comment, elist, lrev, *urev;
190			mode_t fmode;
191			RCSFILE *file;
192			RCSNUM *logrev;
193			struct rcs_access *acp;
194			time_t rcs_mtime = -1;
195
196			kflag = RCS_KWEXP_ERR;
197			lkmode = RCS_LOCK_INVAL;
198			fmode = S_IRUSR\|S_IRGRP\|S_IROTH;
199			flags = RCS_RDWR\|RCS_PARSE_FULLY;
200			lrev = urev = descfile = NULL;
201			logstr = alist = comment = elist = NULL;
202			nflag = oldfilename = orange = NULL;
203
204			/* match GNU */
205			if (1 < argc && argv[1][0] != '-')
206			warnx("warning: No options were given; "
207			"this usage is obsolescent.");
208
209			while ((ch = rcs_getopt(argc, argv, RCSPROG_OPTSTRING)) != -1) {
210			switch (ch) {
211			case 'A':
212			oldfilename = rcs_optarg;
213			rcsflags \|= CO_ACLAPPEND;
214			break;
215			case 'a':
216			alist = rcs_optarg;
217			break;
218			case 'c':
219			comment = rcs_optarg;
220			break;
221			case 'e':
222			elist = rcs_optarg;
223			rcsflags \|= RCSPROG_EFLAG;
224			break;
225			case 'I':
226			rcsflags \|= INTERACTIVE;
227			break;
228			case 'i':
229			flags \|= RCS_CREATE;
230			break;
231			case 'k':
232			kflag = rcs_kflag_get(rcs_optarg);
233			if (RCS_KWEXP_INVAL(kflag)) {
234			warnx("invalid RCS keyword substitution mode");
235			(usage)();
236			}
237			break;
238			case 'L':
239			if (lkmode == RCS_LOCK_LOOSE)
240			warnx("-U overridden by -L");
241			lkmode = RCS_LOCK_STRICT;
242			break;
243			case 'l':
244			if (rcsflags & RCSPROG_UFLAG)
245			warnx("-u overridden by -l");
246			lrev = rcs_optarg;
247			rcsflags &= ~RCSPROG_UFLAG;
248			rcsflags \|= RCSPROG_LFLAG;
249			break;
250			case 'm':
251			free(logstr);
252			logstr = xstrdup(rcs_optarg);
253			break;
254			case 'M':
255			/* ignore for the moment */
256			break;
257			case 'n':
258			nflag = rcs_optarg;
259			break;
260			case 'N':
261			nflag = rcs_optarg;
262			rcsflags \|= RCSPROG_NFLAG;
263			break;
264			case 'o':
265			orange = rcs_optarg;
266			break;
267			case 'q':
268			rcsflags \|= QUIET;
269			break;
270			case 't':
271			descfile = rcs_optarg;
272			rcsflags \|= DESCRIPTION;
273			break;
274			case 'T':
275			rcsflags \|= PRESERVETIME;
276			break;
277			case 'U':
278			if (lkmode == RCS_LOCK_STRICT)
279			warnx("-L overridden by -U");
280			lkmode = RCS_LOCK_LOOSE;
281			break;
282			case 'u':
283			if (rcsflags & RCSPROG_LFLAG)
284			warnx("-l overridden by -u");
285			urev = rcs_optarg;
286			rcsflags &= ~RCSPROG_LFLAG;
287			rcsflags \|= RCSPROG_UFLAG;
288			break;
289			case 'V':
290			printf("%s\n", rcs_version);
291			exit(0);
292			case 'x':
293			/* Use blank extension if none given. */
294			rcs_suffixes = rcs_optarg ? rcs_optarg : "";
295			break;
296			case 'z':
297			/*
298			* kept for compatibility
299			*/
300			break;
301			default:
302			(usage)();
303			}
304			}
305
306			argc -= rcs_optind;
307			argv += rcs_optind;
308
309			if (argc == 0) {
310			warnx("no input file");
311			(usage)();
312			}
313
314			for (i = 0; i < argc; i++) {
315			fd = rcs_choosefile(argv[i], fpath, sizeof(fpath));
316			if (fd < 0 && !(flags & RCS_CREATE)) {
317			warn("%s", fpath);
318			continue;
319			}
320
321			if (!(rcsflags & QUIET))
322			(void)fprintf(stderr, "RCS file: %s\n", fpath);
323
324			if ((file = rcs_open(fpath, fd, flags, fmode)) == NULL) {
325			close(fd);
326			continue;
327			}
328
329			if (rcsflags & DESCRIPTION) {
330			if (rcs_set_description(file, descfile, rcsflags) == -1) {
331			warn("%s", descfile);
332			rcs_close(file);
333			continue;
334			}
335			}
336			else if (flags & RCS_CREATE) {
337			if (rcs_set_description(file, NULL, rcsflags) == -1) {
338			warn("stdin");
339			rcs_close(file);
340			continue;
341			}
342			}
343
344			if (rcsflags & PRESERVETIME)
345			rcs_mtime = rcs_get_mtime(file);
346
347			if (nflag != NULL)
348			rcs_attach_symbol(file, nflag);
349
350			if (logstr != NULL) {
351			if ((logmsg = strchr(logstr, ':')) == NULL) {
352			warnx("missing log message");
353			rcs_close(file);
354			continue;
355			}
356
357			*logmsg++ = '\0';
358			if ((logrev = rcsnum_parse(logstr)) == NULL) {
359			warnx("`%s' bad revision number", logstr);
360			rcs_close(file);
361			continue;
362			}
363
364			if (rcs_rev_setlog(file, logrev, logmsg) < 0) {
365			warnx("failed to set logmsg for `%s' to `%s'",
366			logstr, logmsg);
367			rcs_close(file);
368			rcsnum_free(logrev);
369			continue;
370			}
371
372			rcsnum_free(logrev);
373			}
374
375			/* entries to add from <oldfile> */
376			if (rcsflags & CO_ACLAPPEND) {
377			RCSFILE *oldfile;
378			int ofd;
379			char ofpath[PATH_MAX];
380
381			ofd = rcs_choosefile(oldfilename, ofpath, sizeof(ofpath));
382			if (ofd < 0) {
383			if (!(flags & RCS_CREATE))
384			warn("%s", ofpath);
385			exit(1);
386			}
387			if ((oldfile = rcs_open(ofpath, ofd, RCS_READ)) == NULL)
388			exit(1);
389
390			TAILQ_FOREACH(acp, &(oldfile->rf_access), ra_list)
391			rcs_access_add(file, acp->ra_name);
392
393			rcs_close(oldfile);
394			(void)close(ofd);
395			}
396
397			/* entries to add to the access list */
398			if (alist != NULL) {
399			struct rcs_argvector *aargv;
400
401			aargv = rcs_strsplit(alist, ",");
402			for (j = 0; aargv->argv[j] != NULL; j++)
403			rcs_access_add(file, aargv->argv[j]);
404
405			rcs_argv_destroy(aargv);
406			}
407
408			if (comment != NULL)
409			rcs_comment_set(file, comment);
410
411			if (elist != NULL) {
412			struct rcs_argvector *eargv;
413
414			eargv = rcs_strsplit(elist, ",");
415			for (j = 0; eargv->argv[j] != NULL; j++)
416			rcs_access_remove(file, eargv->argv[j]);
417
418			rcs_argv_destroy(eargv);
419			} else if (rcsflags & RCSPROG_EFLAG) {
420			struct rcs_access *rap;
421
422			/* XXX rcs_access_remove(file, NULL); ?? */
423			while (!TAILQ_EMPTY(&(file->rf_access))) {
424			rap = TAILQ_FIRST(&(file->rf_access));
425			TAILQ_REMOVE(&(file->rf_access), rap, ra_list);
426			free(rap->ra_name);
427			free(rap);
428			}
429			/* not synced anymore */
430			file->rf_flags &= ~RCS_SYNCED;
431			}
432
433			rcs_kwexp_set(file, kflag);
434
435			if (lkmode != RCS_LOCK_INVAL)
436			(void)rcs_lock_setmode(file, lkmode);
437
438			if (rcsflags & RCSPROG_LFLAG) {
439			RCSNUM *rev;
440			const char *username;
441			char rev_str[RCS_REV_BUFSZ];
442
443			if (file->rf_head == NULL) {
444			warnx("%s contains no revisions", fpath);
445			rcs_close(file);
446			continue;
447			}
448
449			if ((username = getlogin()) == NULL)
450			err(1, "getlogin");
451			if (lrev == NULL) {
452			rev = rcsnum_alloc();
453			rcsnum_cpy(file->rf_head, rev, 0);
454			} else if ((rev = rcsnum_parse(lrev)) == NULL) {
455			warnx("unable to unlock file");
456			rcs_close(file);
457			continue;
458			}
459			rcsnum_tostr(rev, rev_str, sizeof(rev_str));
460			/* Make sure revision exists. */
461			if (rcs_findrev(file, rev) == NULL)
462			errx(1, "%s: cannot lock nonexisting "
463			"revision %s", fpath, rev_str);
464			if (rcs_lock_add(file, username, rev) != -1 &&
465			!(rcsflags & QUIET))
466			(void)fprintf(stderr, "%s locked\n", rev_str);
467			rcsnum_free(rev);
468			}
469
470			if (rcsflags & RCSPROG_UFLAG) {
471			RCSNUM *rev;
472			const char *username;
473			char rev_str[RCS_REV_BUFSZ];
474
475			if (file->rf_head == NULL) {
476			warnx("%s contains no revisions", fpath);
477			rcs_close(file);
478			continue;
479			}
480
481			if ((username = getlogin()) == NULL)
482			err(1, "getlogin");
483			if (urev == NULL) {
484			rev = rcsnum_alloc();
485			rcsnum_cpy(file->rf_head, rev, 0);
486			} else if ((rev = rcsnum_parse(urev)) == NULL) {
487			warnx("unable to unlock file");
488			rcs_close(file);
489			continue;
490			}
491			rcsnum_tostr(rev, rev_str, sizeof(rev_str));
492			/* Make sure revision exists. */
493			if (rcs_findrev(file, rev) == NULL)
494			errx(1, "%s: cannot unlock nonexisting "
495			"revision %s", fpath, rev_str);
496			if (rcs_lock_remove(file, username, rev) == -1 &&
497			!(rcsflags & QUIET))
498			warnx("%s: warning: No locks are set.", fpath);
499			else {
500			if (!(rcsflags & QUIET))
501			(void)fprintf(stderr,
502			"%s unlocked\n", rev_str);
503			}
504			rcsnum_free(rev);
505			}
506
507			if (orange != NULL) {
508			struct rcs_delta rdp, nrdp;
509			char b[RCS_REV_BUFSZ];
510
511			rcs_rev_select(file, orange);
512			for (rdp = TAILQ_FIRST(&(file->rf_delta));
513			rdp != NULL; rdp = nrdp) {
514			nrdp = TAILQ_NEXT(rdp, rd_list);
515
516			/*
517			* Delete selected revisions.
518			*/
519			if (rdp->rd_flags & RCS_RD_SELECT) {
520			rcsnum_tostr(rdp->rd_num, b, sizeof(b));
521			if (!(rcsflags & QUIET)) {
522			(void)fprintf(stderr, "deleting"
523			" revision %s\n", b);
524			}
525			(void)rcs_rev_remove(file, rdp->rd_num);
526			}
527			}
528			}
529
530			rcs_write(file);
531
532			if (rcsflags & PRESERVETIME)
533			rcs_set_mtime(file, rcs_mtime);
534
535			rcs_close(file);
536
537			if (!(rcsflags & QUIET))
538			(void)fprintf(stderr, "done\n");
539			}
540
541			return (0);
542			}
543
544			static void
545			rcs_attach_symbol(RCSFILE file, const char symname)
546			{
547			char *rnum;
548			RCSNUM *rev;
549			char rbuf[RCS_REV_BUFSZ];
550			int rm;
551
552			rm = 0;
553			rev = NULL;
554			if ((rnum = strrchr(symname, ':')) != NULL) {
555			if (rnum[1] == '\0')
556			rev = file->rf_head;
557			*(rnum++) = '\0';
558			} else {
559			rm = 1;
560			}
561
562			if (rev == NULL && rm != 1) {
563			if ((rev = rcsnum_parse(rnum)) == NULL)
564			errx(1, "bad revision %s", rnum);
565			}
566
567			if (rcsflags & RCSPROG_NFLAG)
568			rm = 1;
569
570			if (rm == 1) {
571			if (rcs_sym_remove(file, symname) < 0) {
572			if (rcs_errno == RCS_ERR_NOENT &&
573			!(rcsflags & RCSPROG_NFLAG))
574			warnx("cannot delete nonexisting symbol %s",
575			symname);
576			} else {
577			if (rcsflags & RCSPROG_NFLAG)
578			rm = 0;
579			}
580			}
581
582			if (rm == 0) {
583			if (rcs_sym_add(file, symname, rev) < 0 &&
584			rcs_errno == RCS_ERR_DUPENT) {
585			rcsnum_tostr(rcs_sym_getrev(file, symname),
586			rbuf, sizeof(rbuf));
587			errx(1, "symbolic name %s already bound to %s",
588			symname, rbuf);
589			}
590			}
591			}