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102 lines
2.1 KiB
C
102 lines
2.1 KiB
C
/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1992, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*/
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#include "config.h"
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#ifndef lint
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static const char sccsid[] = "$Id: ex_mkexrc.c,v 10.13 2001/06/25 15:19:17 skimo Exp $";
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/queue.h>
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#include <sys/stat.h>
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#include <bitstring.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "../common/common.h"
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#include "pathnames.h"
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/*
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* ex_mkexrc -- :mkexrc[!] [file]
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*
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* Create (or overwrite) a .exrc file with the current info.
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*
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* PUBLIC: int ex_mkexrc(SCR *, EXCMD *);
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*/
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int
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ex_mkexrc(SCR *sp, EXCMD *cmdp)
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{
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struct stat sb;
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FILE *fp;
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int fd, sverrno;
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char *fname;
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size_t flen;
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switch (cmdp->argc) {
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case 0:
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fname = _PATH_EXRC;
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break;
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case 1:
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INT2CHAR(sp, cmdp->argv[0]->bp, cmdp->argv[0]->len + 1,
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fname, flen);
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set_alt_name(sp, fname);
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break;
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default:
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abort();
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}
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if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && !stat(fname, &sb)) {
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msgq_str(sp, M_ERR, fname,
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"137|%s exists, not written; use ! to override");
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return (1);
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}
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/* Create with max permissions of rw-r--r--. */
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if ((fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY,
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S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) < 0) {
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msgq_str(sp, M_SYSERR, fname, "%s");
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return (1);
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}
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if ((fp = fdopen(fd, "w")) == NULL) {
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sverrno = errno;
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(void)close(fd);
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goto e2;
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}
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if (seq_save(sp, fp, "abbreviate ", SEQ_ABBREV) || ferror(fp))
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goto e1;
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if (seq_save(sp, fp, "map ", SEQ_COMMAND) || ferror(fp))
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goto e1;
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if (seq_save(sp, fp, "map! ", SEQ_INPUT) || ferror(fp))
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goto e1;
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if (opts_save(sp, fp) || ferror(fp))
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goto e1;
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if (fclose(fp)) {
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sverrno = errno;
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goto e2;
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}
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msgq_str(sp, M_INFO, fname, "138|New exrc file: %s");
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return (0);
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e1: sverrno = errno;
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(void)fclose(fp);
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e2: errno = sverrno;
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msgq_str(sp, M_SYSERR, fname, "%s");
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return (1);
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}
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