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File: [local] / src / usr.bin / vi / ex / ex_mkexrc.c (download)

Revision 1.4, Sat Feb 16 21:27:57 2002 UTC (22 years, 4 months ago) by millert
Branch: MAIN
CVS Tags: OPENBSD_4_6_BASE, OPENBSD_4_6, OPENBSD_4_5_BASE, OPENBSD_4_5, OPENBSD_4_4_BASE, OPENBSD_4_4, OPENBSD_4_3_BASE, OPENBSD_4_3, OPENBSD_4_2_BASE, OPENBSD_4_2, OPENBSD_4_1_BASE, OPENBSD_4_1, OPENBSD_4_0_BASE, OPENBSD_4_0, OPENBSD_3_9_BASE, OPENBSD_3_9, OPENBSD_3_8_BASE, OPENBSD_3_8, OPENBSD_3_7_BASE, OPENBSD_3_7, OPENBSD_3_6_BASE, OPENBSD_3_6, OPENBSD_3_5_BASE, OPENBSD_3_5, OPENBSD_3_4_BASE, OPENBSD_3_4, OPENBSD_3_3_BASE, OPENBSD_3_3, OPENBSD_3_2_BASE, OPENBSD_3_2, OPENBSD_3_1_BASE, OPENBSD_3_1
Changes since 1.3: +2 -2 lines 

Part one of userland __P removal.  Done with a simple regexp with some minor hand editing to make comments line up correctly.  Another pass is forthcoming that handles the cases that could not be done automatically.

/*	$OpenBSD: ex_mkexrc.c,v 1.4 2002/02/16 21:27:57 millert Exp $	*/

/*-
 * Copyright (c) 1992, 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 * Copyright (c) 1992, 1993, 1994, 1995, 1996
 *	Keith Bostic.  All rights reserved.
 *
 * See the LICENSE file for redistribution information.
 */

#include "config.h"

#ifndef lint
static const char sccsid[] = "@(#)ex_mkexrc.c	10.11 (Berkeley) 3/6/96";
#endif /* not lint */

#include <sys/types.h>
#include <sys/queue.h>
#include <sys/stat.h>

#include <bitstring.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "../common/common.h"
#include "pathnames.h"

/*
 * ex_mkexrc -- :mkexrc[!] [file]
 *
 * Create (or overwrite) a .exrc file with the current info.
 *
 * PUBLIC: int ex_mkexrc(SCR *, EXCMD *);
 */
int
ex_mkexrc(sp, cmdp)
	SCR *sp;
	EXCMD *cmdp;
{
	struct stat sb;
	FILE *fp;
	int fd, sverrno;
	char *fname;

	switch (cmdp->argc) {
	case 0:
		fname = _PATH_EXRC;
		break;
	case 1:
		fname = cmdp->argv[0]->bp;
		set_alt_name(sp, fname);
		break;
	default:
		abort();
	}

	if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && !stat(fname, &sb)) {
		msgq_str(sp, M_ERR, fname,
		    "137|%s exists, not written; use ! to override");
		return (1);
	}

	/* Create with max permissions of rw-r--r--. */
	if ((fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY,
	    S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) < 0) {
		msgq_str(sp, M_SYSERR, fname, "%s");
		return (1);
	}

	if ((fp = fdopen(fd, "w")) == NULL) {
		sverrno = errno;
		(void)close(fd);
		goto e2;
	}

	if (seq_save(sp, fp, "abbreviate ", SEQ_ABBREV) || ferror(fp))
		goto e1;
	if (seq_save(sp, fp, "map ", SEQ_COMMAND) || ferror(fp))
		goto e1;
	if (seq_save(sp, fp, "map! ", SEQ_INPUT) || ferror(fp))
		goto e1;
	if (opts_save(sp, fp) || ferror(fp))
		goto e1;
	if (fclose(fp)) {
		sverrno = errno;
		goto e2;
	}

	msgq_str(sp, M_INFO, fname, "138|New exrc file: %s");
	return (0);

e1:	sverrno = errno;
	(void)fclose(fp);
e2:	errno = sverrno;
	msgq_str(sp, M_SYSERR, fname, "%s");
	return (1);
}