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    /*	$OpenBSD: history.c,v 1.45 2017/07/20 13:39:11 okan Exp $	*/  | 
    
    
    2  | 
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    /*  | 
    
    
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     * Copyright (c) 2007 Joris Vink <joris@openbsd.org>  | 
    
    
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     *  | 
    
    
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     * Permission to use, copy, modify, and distribute this software for any  | 
    
    
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     * purpose with or without fee is hereby granted, provided that the above  | 
    
    
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     * copyright notice and this permission notice appear in all copies.  | 
    
    
    8  | 
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     *  | 
    
    
    9  | 
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     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES  | 
    
    
    10  | 
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     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF  | 
    
    
    11  | 
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     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  | 
    
    
    12  | 
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     * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES  | 
    
    
    13  | 
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     * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN  | 
    
    
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     * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  | 
    
    
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     * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  | 
    
    
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     */  | 
    
    
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    #include <sys/stat.h>  | 
    
    
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    #include <ctype.h>  | 
    
    
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    #include <errno.h>  | 
    
    
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    #include <fcntl.h>  | 
    
    
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    #include <pwd.h>  | 
    
    
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    #include <stdlib.h>  | 
    
    
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    #include <string.h>  | 
    
    
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    #include <time.h>  | 
    
    
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    #include <unistd.h>  | 
    
    
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    #include "cvs.h"  | 
    
    
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    #include "remote.h"  | 
    
    
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    void	cvs_history_local(struct cvs_file *);  | 
    
    
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    34  | 
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    static void	history_compress(char *, const char *);  | 
    
    
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    36  | 
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    struct cvs_cmd		cvs_cmd_history = { | 
    
    
    37  | 
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    	CVS_OP_HISTORY, CVS_USE_WDIR, "history",  | 
    
    
    38  | 
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    	{ "hi", "his" },			/* omghi2you */ | 
    
    
    39  | 
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    	"Display history of actions done in the base repository",  | 
    
    
    40  | 
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    	"[-ac]",  | 
    
    
    41  | 
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    	"ac",  | 
    
    
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    	NULL,  | 
    
    
    43  | 
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    	cvs_history  | 
    
    
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    };  | 
    
    
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    46  | 
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    /* keep in sync with the defines for history stuff in cvs.h */  | 
    
    
    47  | 
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    const char historytab[] = { | 
    
    
    48  | 
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    	'T',  | 
    
    
    49  | 
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    	'O',  | 
    
    
    50  | 
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    	'E',  | 
    
    
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    	'F',  | 
    
    
    52  | 
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    	'W',  | 
    
    
    53  | 
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    	'U',  | 
    
    
    54  | 
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    	'G',  | 
    
    
    55  | 
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    	'C',  | 
    
    
    56  | 
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    	'M',  | 
    
    
    57  | 
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    	'A',  | 
    
    
    58  | 
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    	'R',  | 
    
    
    59  | 
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    	'\0'  | 
    
    
    60  | 
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    };  | 
    
    
    61  | 
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    62  | 
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    #define HISTORY_ALL_USERS		0x01  | 
    
    
    63  | 
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    #define HISTORY_DISPLAY_ARCHIVED	0x02  | 
    
    
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    65  | 
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    void  | 
    
    
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    cvs_history_add(int type, struct cvs_file *cf, const char *argument)  | 
    
    
    67  | 
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    { | 
    
    
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    	BUF *buf;  | 
    
    
    69  | 
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    	FILE *fp;  | 
    
    
    70  | 
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    	RCSNUM *hrev;  | 
    
    
    71  | 
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    	size_t len;  | 
    
    
    72  | 
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    	int fd;  | 
    
    
    73  | 
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    	char *cwd, *p, *rev;  | 
    
    
    74  | 
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    	char revbuf[CVS_REV_BUFSZ], repo[PATH_MAX], fpath[PATH_MAX];  | 
    
    
    75  | 
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    	char timebuf[CVS_TIME_BUFSZ];  | 
    
    
    76  | 
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    	struct tm datetm;  | 
    
    
    77  | 
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    	if (cvs_nolog == 1)  | 
    
    
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    		return;  | 
    
    
    80  | 
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    81  | 
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    	if (cvs_cmdop == CVS_OP_CHECKOUT || cvs_cmdop == CVS_OP_EXPORT) { | 
    
    
    82  | 
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    		if (type != CVS_HISTORY_CHECKOUT &&  | 
    
    
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    		    type != CVS_HISTORY_EXPORT)  | 
    
    
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    			return;  | 
    
    
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    	}  | 
    
    
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    	cvs_log(LP_TRACE, "cvs_history_add(`%c', `%s', `%s')",  | 
    
    
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    	    historytab[type], (cf != NULL) ? cf->file_name : "", argument);  | 
    
    
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    	/* construct repository field */  | 
    
    
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    	if (cvs_cmdop != CVS_OP_CHECKOUT && cvs_cmdop != CVS_OP_EXPORT) { | 
    
    
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    		cvs_get_repository_name((cf != NULL) ? cf->file_wd : ".",  | 
    
    
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    		    repo, sizeof(repo));  | 
    
    
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    	} else { | 
    
    
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    		cvs_get_repository_name(argument, repo, sizeof(repo));  | 
    
    
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    	}  | 
    
    
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    	if (cvs_server_active == 1) { | 
    
    
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    		cwd = "<remote>";  | 
    
    
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    	} else { | 
    
    
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    		if (getcwd(fpath, sizeof(fpath)) == NULL)  | 
    
    
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    			fatal("cvs_history_add: getcwd: %s", strerror(errno)); | 
    
    
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    		p = fpath;  | 
    
    
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    		if (cvs_cmdop == CVS_OP_CHECKOUT ||  | 
    
    
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    		    cvs_cmdop == CVS_OP_EXPORT) { | 
    
    
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    			if (strlcat(fpath, "/", sizeof(fpath)) >=  | 
    
    
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    			    sizeof(fpath) || strlcat(fpath, argument,  | 
    
    
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    			    sizeof(fpath)) >= sizeof(fpath))  | 
    
    
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    				fatal("cvs_history_add: string truncation"); | 
    
    
    110  | 
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    		}  | 
    
    
    111  | 
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    		if (cvs_homedir != NULL && cvs_homedir[0] != '\0') { | 
    
    
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    			len = strlen(cvs_homedir);  | 
    
    
    113  | 
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    			if (strncmp(cvs_homedir, fpath, len) == 0 &&  | 
    
    
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    			    fpath[len] == '/') { | 
    
    
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    				p += len - 1;  | 
    
    
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    				*p = '~';  | 
    
    
    117  | 
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    			}  | 
    
    
    118  | 
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    		}  | 
    
    
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    		history_compress(p, repo);  | 
    
    
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    		cwd = xstrdup(p);  | 
    
    
    122  | 
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    	}  | 
    
    
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    	/* construct revision field */  | 
    
    
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    	revbuf[0] = '\0';  | 
    
    
    126  | 
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    	rev = revbuf;  | 
    
    
    127  | 
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    	switch (type) { | 
    
    
    128  | 
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    	case CVS_HISTORY_TAG:  | 
    
    
    129  | 
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    		strlcpy(revbuf, argument, sizeof(revbuf));  | 
    
    
    130  | 
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    		break;  | 
    
    
    131  | 
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    	case CVS_HISTORY_CHECKOUT:  | 
    
    
    132  | 
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    	case CVS_HISTORY_EXPORT:  | 
    
    
    133  | 
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    		/*  | 
    
    
    134  | 
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    		 * buf_alloc uses xcalloc(), so we are safe even  | 
    
    
    135  | 
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    		 * if neither cvs_specified_tag nor cvs_specified_date  | 
    
    
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    		 * have been supplied.  | 
    
    
    137  | 
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    		 */  | 
    
    
    138  | 
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    		buf = buf_alloc(128);  | 
    
    
    139  | 
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    		if (cvs_specified_tag != NULL) { | 
    
    
    140  | 
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    			buf_puts(buf, cvs_specified_tag);  | 
    
    
    141  | 
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    			if (cvs_specified_date != -1)  | 
    
    
    142  | 
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    				buf_putc(buf, ':');  | 
    
    
    143  | 
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    		}  | 
    
    
    144  | 
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    		if (cvs_specified_date != -1) { | 
    
    
    145  | 
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    			gmtime_r(&cvs_specified_date, &datetm);  | 
    
    
    146  | 
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    			strftime(timebuf, sizeof(timebuf),  | 
    
    
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    			    "%Y.%m.%d.%H.%M.%S", &datetm);  | 
    
    
    148  | 
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    			buf_puts(buf, timebuf);  | 
    
    
    149  | 
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    		}  | 
    
    
    150  | 
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    		rev = buf_release(buf);  | 
    
    
    151  | 
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    		break;  | 
    
    
    152  | 
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    	case CVS_HISTORY_UPDATE_MERGED:  | 
    
    
    153  | 
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    	case CVS_HISTORY_UPDATE_MERGED_ERR:  | 
    
    
    154  | 
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    	case CVS_HISTORY_COMMIT_MODIFIED:  | 
    
    
    155  | 
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    	case CVS_HISTORY_COMMIT_ADDED:  | 
    
    
    156  | 
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    	case CVS_HISTORY_COMMIT_REMOVED:  | 
    
    
    157  | 
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    	case CVS_HISTORY_UPDATE_CO:  | 
    
    
    158  | 
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    		if ((hrev = rcs_head_get(cf->file_rcs)) == NULL)  | 
    
    
    159  | 
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    			fatal("cvs_history_add: rcs_head_get failed"); | 
    
    
    160  | 
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    		rcsnum_tostr(hrev, revbuf, sizeof(revbuf));  | 
    
    
    161  | 
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    		free(hrev);  | 
    
    
    162  | 
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    		break;  | 
    
    
    163  | 
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    	}  | 
    
    
    164  | 
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    165  | 
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    	(void)xsnprintf(fpath, sizeof(fpath), "%s/%s",  | 
    
    
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    	    current_cvsroot->cr_dir, CVS_PATH_HISTORY);  | 
    
    
    167  | 
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    168  | 
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    	if ((fd = open(fpath, O_WRONLY|O_APPEND)) == -1) { | 
    
    
    169  | 
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    		if (errno != ENOENT)  | 
    
    
    170  | 
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    			cvs_log(LP_ERR, "failed to open history file");  | 
    
    
    171  | 
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    	} else { | 
    
    
    172  | 
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    		if ((fp = fdopen(fd, "a")) != NULL) { | 
    
    
    173  | 
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    			fprintf(fp, "%c%08llx|%s|%s|%s|%s|%s\n",  | 
    
    
    174  | 
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    			    historytab[type], (long long)time(NULL),  | 
    
    
    175  | 
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    			    getlogin(), cwd, repo, rev,  | 
    
    
    176  | 
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    			    (cf != NULL) ? cf->file_name : argument);  | 
    
    
    177  | 
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    			(void)fclose(fp);  | 
    
    
    178  | 
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    		} else { | 
    
    
    179  | 
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    			cvs_log(LP_ERR, "failed to add entry to history file");  | 
    
    
    180  | 
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    			(void)close(fd);  | 
    
    
    181  | 
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    		}  | 
    
    
    182  | 
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    	}  | 
    
    
    183  | 
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    184  | 
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    	if (rev != revbuf)  | 
    
    
    185  | 
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    		free(rev);  | 
    
    
    186  | 
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    	if (cvs_server_active != 1)  | 
    
    
    187  | 
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    		free(cwd);  | 
    
    
    188  | 
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    }  | 
    
    
    189  | 
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    190  | 
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    static void  | 
    
    
    191  | 
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    history_compress(char *wdir, const char *repo)  | 
    
    
    192  | 
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    { | 
    
    
    193  | 
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    	char *p;  | 
    
    
    194  | 
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    	const char *q;  | 
    
    
    195  | 
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    	size_t repo_len, wdir_len;  | 
    
    
    196  | 
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    197  | 
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    	repo_len = strlen(repo);  | 
    
    
    198  | 
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    	wdir_len = strlen(wdir);  | 
    
    
    199  | 
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    200  | 
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    	p = wdir + wdir_len;  | 
    
    
    201  | 
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    	q = repo + repo_len;  | 
    
    
    202  | 
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    203  | 
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    	while (p >= wdir && q >= repo) { | 
    
    
    204  | 
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    		if (*p != *q)  | 
    
    
    205  | 
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    			break;  | 
    
    
    206  | 
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    		p--;  | 
    
    
    207  | 
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    		q--;  | 
    
    
    208  | 
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    	}  | 
    
    
    209  | 
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    	p++;  | 
    
    
    210  | 
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    	q++;  | 
    
    
    211  | 
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    212  | 
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    	/* if it's not worth the effort, skip compression */  | 
    
    
    213  | 
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    	if (repo + repo_len - q < 3)  | 
    
    
    214  | 
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    		return;  | 
    
    
    215  | 
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    216  | 
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    	(void)xsnprintf(p, strlen(p) + 1, "*%zx", q - repo);  | 
    
    
    217  | 
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    }  | 
    
    
    218  | 
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    219  | 
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    int  | 
    
    
    220  | 
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    cvs_history(int argc, char **argv)  | 
    
    
    221  | 
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    { | 
    
    
    222  | 
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    	int ch, flags;  | 
    
    
    223  | 
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    224  | 
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    	flags = 0;  | 
    
    
    225  | 
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    226  | 
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    	while ((ch = getopt(argc, argv, cvs_cmd_history.cmd_opts)) != -1) { | 
    
    
    227  | 
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    		switch (ch) { | 
    
    
    228  | 
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    		case 'a':  | 
    
    
    229  | 
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    			flags |= HISTORY_ALL_USERS;  | 
    
    
    230  | 
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    			break;  | 
    
    
    231  | 
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    		case 'c':  | 
    
    
    232  | 
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    			flags |= HISTORY_DISPLAY_ARCHIVED;  | 
    
    
    233  | 
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    			break;  | 
    
    
    234  | 
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    		default:  | 
    
    
    235  | 
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    			fatal("%s", cvs_cmd_history.cmd_synopsis); | 
    
    
    236  | 
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    		}  | 
    
    
    237  | 
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    	}  | 
    
    
    238  | 
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    239  | 
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    	argc -= optind;  | 
    
    
    240  | 
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    	argv += optind;  | 
    
    
    241  | 
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    242  | 
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    	return (0);  | 
    
    
    243  | 
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    }  |