1 /*- 2 * Copyright (c) 1992, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * Copyright (c) 1992, 1993, 1994, 1995, 1996 5 * Keith Bostic. All rights reserved. 6 * 7 * See the LICENSE file for redistribution information. 8 */ 9 10 #include "config.h" 11 12 #include <sys/types.h> 13 #include <sys/queue.h> 14 #include <sys/time.h> 15 16 #include <bitstring.h> 17 #include <errno.h> 18 #include <limits.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 #include <string.h> 22 23 #include "../common/common.h" 24 25 /* 26 * ex_file -- :f[ile] [name] 27 * Change the file's name and display the status line. 28 * 29 * PUBLIC: int ex_file(SCR *, EXCMD *); 30 */ 31 int 32 ex_file(SCR *sp, EXCMD *cmdp) 33 { 34 char *p; 35 FREF *frp; 36 char *np; 37 size_t nlen; 38 39 NEEDFILE(sp, cmdp); 40 41 switch (cmdp->argc) { 42 case 0: 43 break; 44 case 1: 45 frp = sp->frp; 46 47 /* Make sure can allocate enough space. */ 48 INT2CHAR(sp, cmdp->argv[0]->bp, cmdp->argv[0]->len + 1, 49 np, nlen); 50 if ((p = v_strdup(sp, np, nlen - 1)) == NULL) 51 return (1); 52 53 /* If already have a file name, it becomes the alternate. */ 54 if (!F_ISSET(frp, FR_TMPFILE)) 55 set_alt_name(sp, frp->name); 56 57 /* Free the previous name. */ 58 free(frp->name); 59 frp->name = p; 60 61 /* 62 * The file has a real name, it's no longer a temporary, 63 * clear the temporary file flags. 64 */ 65 F_CLR(frp, FR_TMPEXIT | FR_TMPFILE); 66 67 /* Have to force a write if the file exists, next time. */ 68 F_SET(frp, FR_NAMECHANGE); 69 70 /* Notify the screen. */ 71 (void)sp->gp->scr_rename(sp, sp->frp->name, 1); 72 break; 73 default: 74 abort(); 75 } 76 msgq_status(sp, sp->lno, MSTAT_SHOWLAST); 77 return (0); 78 } 79