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/* $OpenBSD: dired.c,v 1.82 2016/01/02 10:39:19 lum Exp $ */ |
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/* This file is in the public domain. */ |
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/* dired module for mg 2a |
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* by Robert A. Larson |
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*/ |
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#include <sys/queue.h> |
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#include <sys/resource.h> |
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#include <sys/stat.h> |
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#include <sys/time.h> |
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#include <sys/types.h> |
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#include <sys/wait.h> |
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#include <ctype.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <fcntl.h> |
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#include <libgen.h> |
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#include <limits.h> |
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#include <signal.h> |
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#include <stdarg.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 "def.h" |
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#include "funmap.h" |
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#include "kbd.h" |
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void dired_init(void); |
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static int dired(int, int); |
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static int d_otherwindow(int, int); |
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static int d_undel(int, int); |
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static int d_undelbak(int, int); |
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static int d_findfile(int, int); |
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static int d_ffotherwindow(int, int); |
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static int d_expunge(int, int); |
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static int d_copy(int, int); |
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static int d_del(int, int); |
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static int d_rename(int, int); |
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static int d_exec(int, struct buffer *, const char *, const char *, ...); |
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static int d_shell_command(int, int); |
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static int d_create_directory(int, int); |
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static int d_makename(struct line *, char *, size_t); |
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static int d_warpdot(struct line *, int *); |
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static int d_forwpage(int, int); |
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static int d_backpage(int, int); |
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static int d_forwline(int, int); |
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static int d_backline(int, int); |
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static int d_killbuffer_cmd(int, int); |
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static int d_refreshbuffer(int, int); |
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static int d_filevisitalt(int, int); |
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static void reaper(int); |
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static struct buffer *refreshbuffer(struct buffer *); |
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static int createlist(struct buffer *); |
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static void redelete(struct buffer *); |
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static char *findfname(struct line *, char *); |
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extern struct keymap_s helpmap, cXmap, metamap; |
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const char DDELCHAR = 'D'; |
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/* |
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* Structure which holds a linked list of file names marked for |
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* deletion. Used to maintain dired buffer 'state' between refreshes. |
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*/ |
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struct delentry { |
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SLIST_ENTRY(delentry) entry; |
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char *fn; |
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}; |
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SLIST_HEAD(slisthead, delentry) delhead = SLIST_HEAD_INITIALIZER(delhead); |
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static PF dirednul[] = { |
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setmark, /* ^@ */ |
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gotobol, /* ^A */ |
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backchar, /* ^B */ |
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rescan, /* ^C */ |
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d_del, /* ^D */ |
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gotoeol, /* ^E */ |
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forwchar, /* ^F */ |
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ctrlg, /* ^G */ |
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NULL, /* ^H */ |
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}; |
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static PF diredcl[] = { |
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reposition, /* ^L */ |
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d_findfile, /* ^M */ |
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d_forwline, /* ^N */ |
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rescan, /* ^O */ |
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d_backline, /* ^P */ |
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rescan, /* ^Q */ |
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backisearch, /* ^R */ |
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forwisearch, /* ^S */ |
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rescan, /* ^T */ |
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universal_argument, /* ^U */ |
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d_forwpage, /* ^V */ |
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rescan, /* ^W */ |
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NULL /* ^X */ |
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}; |
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static PF diredcz[] = { |
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spawncli, /* ^Z */ |
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NULL, /* esc */ |
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rescan, /* ^\ */ |
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rescan, /* ^] */ |
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rescan, /* ^^ */ |
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rescan, /* ^_ */ |
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d_forwline, /* SP */ |
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d_shell_command, /* ! */ |
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rescan, /* " */ |
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rescan, /* # */ |
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rescan, /* $ */ |
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rescan, /* % */ |
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rescan, /* & */ |
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rescan, /* ' */ |
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rescan, /* ( */ |
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rescan, /* ) */ |
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rescan, /* * */ |
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d_create_directory /* + */ |
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}; |
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static PF direda[] = { |
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d_filevisitalt, /* a */ |
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rescan, /* b */ |
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d_copy, /* c */ |
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d_del, /* d */ |
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d_findfile, /* e */ |
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d_findfile, /* f */ |
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d_refreshbuffer /* g */ |
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}; |
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static PF diredn[] = { |
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d_forwline, /* n */ |
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d_ffotherwindow, /* o */ |
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d_backline, /* p */ |
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d_killbuffer_cmd, /* q */ |
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d_rename, /* r */ |
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rescan, /* s */ |
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rescan, /* t */ |
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d_undel, /* u */ |
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rescan, /* v */ |
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rescan, /* w */ |
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d_expunge /* x */ |
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}; |
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static PF direddl[] = { |
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d_undelbak /* del */ |
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}; |
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static PF diredbp[] = { |
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d_backpage /* v */ |
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}; |
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static PF dirednull[] = { |
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NULL |
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}; |
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static struct KEYMAPE (1) d_backpagemap = { |
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1, |
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1, |
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rescan, |
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{ |
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{ |
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'v', 'v', diredbp, NULL |
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} |
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} |
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}; |
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static struct KEYMAPE (7) diredmap = { |
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7, |
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7, |
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rescan, |
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{ |
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{ |
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CCHR('@'), CCHR('H'), dirednul, (KEYMAP *) & helpmap |
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}, |
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{ |
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CCHR('L'), CCHR('X'), diredcl, (KEYMAP *) & cXmap |
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}, |
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{ |
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CCHR('['), CCHR('['), dirednull, (KEYMAP *) & |
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d_backpagemap |
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}, |
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{ |
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CCHR('Z'), '+', diredcz, (KEYMAP *) & metamap |
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}, |
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{ |
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'a', 'g', direda, NULL |
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}, |
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{ |
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'n', 'x', diredn, NULL |
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}, |
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{ |
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CCHR('?'), CCHR('?'), direddl, NULL |
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}, |
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} |
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}; |
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void |
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dired_init(void) |
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{ |
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funmap_add(dired, "dired"); |
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funmap_add(d_undelbak, "dired-unmark-backward"); |
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funmap_add(d_create_directory, "dired-create-directory"); |
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funmap_add(d_copy, "dired-do-copy"); |
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funmap_add(d_expunge, "dired-do-flagged-delete"); |
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funmap_add(d_findfile, "dired-find-file"); |
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funmap_add(d_ffotherwindow, "dired-find-file-other-window"); |
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funmap_add(d_del, "dired-flag-file-deletion"); |
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funmap_add(d_forwline, "dired-next-line"); |
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funmap_add(d_otherwindow, "dired-other-window"); |
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funmap_add(d_backline, "dired-previous-line"); |
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funmap_add(d_rename, "dired-do-rename"); |
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funmap_add(d_backpage, "dired-scroll-down"); |
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funmap_add(d_forwpage, "dired-scroll-up"); |
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funmap_add(d_undel, "dired-unmark"); |
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funmap_add(d_killbuffer_cmd, "quit-window"); |
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maps_add((KEYMAP *)&diredmap, "dired"); |
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dobindkey(fundamental_map, "dired", "^Xd"); |
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} |
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/* ARGSUSED */ |
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int |
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dired(int f, int n) |
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{ |
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char dname[NFILEN], *bufp, *slash; |
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struct buffer *bp; |
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if (curbp->b_fname[0] != '\0') { |
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(void)strlcpy(dname, curbp->b_fname, sizeof(dname)); |
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if ((slash = strrchr(dname, '/')) != NULL) { |
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*(slash + 1) = '\0'; |
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} |
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} else { |
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if (getcwd(dname, sizeof(dname)) == NULL) |
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dname[0] = '\0'; |
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} |
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if ((bufp = eread("Dired: ", dname, NFILEN, |
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EFDEF | EFNEW | EFCR)) == NULL) |
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return (ABORT); |
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if (bufp[0] == '\0') |
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return (FALSE); |
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if ((bp = dired_(bufp)) == NULL) |
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return (FALSE); |
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curbp = bp; |
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return (showbuffer(bp, curwp, WFFULL | WFMODE)); |
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} |
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/* ARGSUSED */ |
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int |
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d_otherwindow(int f, int n) |
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{ |
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char dname[NFILEN], *bufp, *slash; |
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struct buffer *bp; |
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struct mgwin *wp; |
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if (curbp->b_fname[0] != '\0') { |
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(void)strlcpy(dname, curbp->b_fname, sizeof(dname)); |
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if ((slash = strrchr(dname, '/')) != NULL) { |
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*(slash + 1) = '\0'; |
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} |
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} else { |
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if (getcwd(dname, sizeof(dname)) == NULL) |
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dname[0] = '\0'; |
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} |
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if ((bufp = eread("Dired other window: ", dname, NFILEN, |
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EFDEF | EFNEW | EFCR)) == NULL) |
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return (ABORT); |
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else if (bufp[0] == '\0') |
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return (FALSE); |
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if ((bp = dired_(bufp)) == NULL) |
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return (FALSE); |
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if ((wp = popbuf(bp, WNONE)) == NULL) |
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return (FALSE); |
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curbp = bp; |
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curwp = wp; |
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return (TRUE); |
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} |
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/* ARGSUSED */ |
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int |
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d_del(int f, int n) |
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{ |
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if (n < 0) |
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return (FALSE); |
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while (n--) { |
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if (d_warpdot(curwp->w_dotp, &curwp->w_doto) == TRUE) { |
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lputc(curwp->w_dotp, 0, DDELCHAR); |
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curbp->b_flag |= BFDIREDDEL; |
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} |
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if (lforw(curwp->w_dotp) != curbp->b_headp) { |
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curwp->w_dotp = lforw(curwp->w_dotp); |
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curwp->w_dotline++; |
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} |
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} |
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curwp->w_rflag |= WFEDIT | WFMOVE; |
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return (d_warpdot(curwp->w_dotp, &curwp->w_doto)); |
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} |
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/* ARGSUSED */ |
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int |
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d_undel(int f, int n) |
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{ |
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if (n < 0) |
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return (d_undelbak(f, -n)); |
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while (n--) { |
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if (llength(curwp->w_dotp) > 0) |
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lputc(curwp->w_dotp, 0, ' '); |
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if (lforw(curwp->w_dotp) != curbp->b_headp) { |
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curwp->w_dotp = lforw(curwp->w_dotp); |
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curwp->w_dotline++; |
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} |
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} |
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curwp->w_rflag |= WFEDIT | WFMOVE; |
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return (d_warpdot(curwp->w_dotp, &curwp->w_doto)); |
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} |
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/* ARGSUSED */ |
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int |
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d_undelbak(int f, int n) |
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{ |
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if (n < 0) |
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return (d_undel(f, -n)); |
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while (n--) { |
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if (lback(curwp->w_dotp) != curbp->b_headp) { |
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curwp->w_dotp = lback(curwp->w_dotp); |
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curwp->w_dotline--; |
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} |
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if (llength(curwp->w_dotp) > 0) |
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lputc(curwp->w_dotp, 0, ' '); |
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} |
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curwp->w_rflag |= WFEDIT | WFMOVE; |
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return (d_warpdot(curwp->w_dotp, &curwp->w_doto)); |
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} |
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/* ARGSUSED */ |
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int |
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d_findfile(int f, int n) |
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{ |
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struct buffer *bp; |
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int s; |
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char fname[NFILEN]; |
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if ((s = d_makename(curwp->w_dotp, fname, sizeof(fname))) == ABORT) |
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return (FALSE); |
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if (s == TRUE) |
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bp = dired_(fname); |
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else |
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bp = findbuffer(fname); |
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if (bp == NULL) |
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return (FALSE); |
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curbp = bp; |
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if (showbuffer(bp, curwp, WFFULL) != TRUE) |
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return (FALSE); |
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if (bp->b_fname[0] != 0) |
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return (TRUE); |
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return (readin(fname)); |
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} |
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/* ARGSUSED */ |
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int |
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d_ffotherwindow(int f, int n) |
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{ |
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char fname[NFILEN]; |
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int s; |
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struct buffer *bp; |
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struct mgwin *wp; |
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if ((s = d_makename(curwp->w_dotp, fname, sizeof(fname))) == ABORT) |
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return (FALSE); |
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if ((bp = (s ? dired_(fname) : findbuffer(fname))) == NULL) |
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return (FALSE); |
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if ((wp = popbuf(bp, WNONE)) == NULL) |
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return (FALSE); |
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curbp = bp; |
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curwp = wp; |
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if (bp->b_fname[0] != 0) |
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return (TRUE); /* never true for dired buffers */ |
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return (readin(fname)); |
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} |
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|
387 |
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/* ARGSUSED */ |
388 |
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int |
389 |
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d_expunge(int f, int n) |
390 |
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{ |
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struct line *lp, *nlp; |
392 |
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char fname[NFILEN], sname[NFILEN]; |
393 |
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int tmp; |
394 |
|
|
|
395 |
|
|
tmp = curwp->w_dotline; |
396 |
|
|
curwp->w_dotline = 0; |
397 |
|
|
|
398 |
|
|
for (lp = bfirstlp(curbp); lp != curbp->b_headp; lp = nlp) { |
399 |
|
|
curwp->w_dotline++; |
400 |
|
|
nlp = lforw(lp); |
401 |
|
|
if (llength(lp) && lgetc(lp, 0) == 'D') { |
402 |
|
|
switch (d_makename(lp, fname, sizeof(fname))) { |
403 |
|
|
case ABORT: |
404 |
|
|
dobeep(); |
405 |
|
|
ewprintf("Bad line in dired buffer"); |
406 |
|
|
curwp->w_dotline = tmp; |
407 |
|
|
return (FALSE); |
408 |
|
|
case FALSE: |
409 |
|
|
if (unlink(fname) < 0) { |
410 |
|
|
(void)xbasename(sname, fname, NFILEN); |
411 |
|
|
dobeep(); |
412 |
|
|
ewprintf("Could not delete '%s'", sname); |
413 |
|
|
curwp->w_dotline = tmp; |
414 |
|
|
return (FALSE); |
415 |
|
|
} |
416 |
|
|
break; |
417 |
|
|
case TRUE: |
418 |
|
|
if (rmdir(fname) < 0) { |
419 |
|
|
(void)xbasename(sname, fname, NFILEN); |
420 |
|
|
dobeep(); |
421 |
|
|
ewprintf("Could not delete directory " |
422 |
|
|
"'%s'", sname); |
423 |
|
|
curwp->w_dotline = tmp; |
424 |
|
|
return (FALSE); |
425 |
|
|
} |
426 |
|
|
break; |
427 |
|
|
} |
428 |
|
|
lfree(lp); |
429 |
|
|
curwp->w_bufp->b_lines--; |
430 |
|
|
if (tmp > curwp->w_dotline) |
431 |
|
|
tmp--; |
432 |
|
|
curwp->w_rflag |= WFFULL; |
433 |
|
|
} |
434 |
|
|
} |
435 |
|
|
curwp->w_dotline = tmp; |
436 |
|
|
d_warpdot(curwp->w_dotp, &curwp->w_doto); |
437 |
|
|
|
438 |
|
|
/* we have deleted all items successfully, remove del flag */ |
439 |
|
|
curbp->b_flag &= ~BFDIREDDEL; |
440 |
|
|
|
441 |
|
|
return (TRUE); |
442 |
|
|
} |
443 |
|
|
|
444 |
|
|
/* ARGSUSED */ |
445 |
|
|
int |
446 |
|
|
d_copy(int f, int n) |
447 |
|
|
{ |
448 |
|
|
char frname[NFILEN], toname[NFILEN], sname[NFILEN]; |
449 |
|
|
char *topath, *bufp; |
450 |
|
|
int ret; |
451 |
|
|
size_t off; |
452 |
|
|
struct buffer *bp; |
453 |
|
|
|
454 |
|
|
if (d_makename(curwp->w_dotp, frname, sizeof(frname)) != FALSE) { |
455 |
|
|
dobeep(); |
456 |
|
|
ewprintf("Not a file"); |
457 |
|
|
return (FALSE); |
458 |
|
|
} |
459 |
|
|
off = strlcpy(toname, curbp->b_fname, sizeof(toname)); |
460 |
|
|
if (off >= sizeof(toname) - 1) { /* can't happen, really */ |
461 |
|
|
dobeep(); |
462 |
|
|
ewprintf("Directory name too long"); |
463 |
|
|
return (FALSE); |
464 |
|
|
} |
465 |
|
|
(void)xbasename(sname, frname, NFILEN); |
466 |
|
|
bufp = eread("Copy %s to: ", toname, sizeof(toname), |
467 |
|
|
EFDEF | EFNEW | EFCR, sname); |
468 |
|
|
if (bufp == NULL) |
469 |
|
|
return (ABORT); |
470 |
|
|
else if (bufp[0] == '\0') |
471 |
|
|
return (FALSE); |
472 |
|
|
|
473 |
|
|
topath = adjustname(toname, TRUE); |
474 |
|
|
ret = (copy(frname, topath) >= 0) ? TRUE : FALSE; |
475 |
|
|
if (ret != TRUE) |
476 |
|
|
return (ret); |
477 |
|
|
if ((bp = refreshbuffer(curbp)) == NULL) |
478 |
|
|
return (FALSE); |
479 |
|
|
return (showbuffer(bp, curwp, WFFULL | WFMODE)); |
480 |
|
|
} |
481 |
|
|
|
482 |
|
|
/* ARGSUSED */ |
483 |
|
|
int |
484 |
|
|
d_rename(int f, int n) |
485 |
|
|
{ |
486 |
|
|
char frname[NFILEN], toname[NFILEN]; |
487 |
|
|
char *topath, *bufp; |
488 |
|
|
int ret; |
489 |
|
|
size_t off; |
490 |
|
|
struct buffer *bp; |
491 |
|
|
char sname[NFILEN]; |
492 |
|
|
|
493 |
|
|
if (d_makename(curwp->w_dotp, frname, sizeof(frname)) != FALSE) { |
494 |
|
|
dobeep(); |
495 |
|
|
ewprintf("Not a file"); |
496 |
|
|
return (FALSE); |
497 |
|
|
} |
498 |
|
|
off = strlcpy(toname, curbp->b_fname, sizeof(toname)); |
499 |
|
|
if (off >= sizeof(toname) - 1) { /* can't happen, really */ |
500 |
|
|
dobeep(); |
501 |
|
|
ewprintf("Directory name too long"); |
502 |
|
|
return (FALSE); |
503 |
|
|
} |
504 |
|
|
(void)xbasename(sname, frname, NFILEN); |
505 |
|
|
bufp = eread("Rename %s to: ", toname, |
506 |
|
|
sizeof(toname), EFDEF | EFNEW | EFCR, sname); |
507 |
|
|
if (bufp == NULL) |
508 |
|
|
return (ABORT); |
509 |
|
|
else if (bufp[0] == '\0') |
510 |
|
|
return (FALSE); |
511 |
|
|
|
512 |
|
|
topath = adjustname(toname, TRUE); |
513 |
|
|
ret = (rename(frname, topath) >= 0) ? TRUE : FALSE; |
514 |
|
|
if (ret != TRUE) |
515 |
|
|
return (ret); |
516 |
|
|
if ((bp = refreshbuffer(curbp)) == NULL) |
517 |
|
|
return (FALSE); |
518 |
|
|
return (showbuffer(bp, curwp, WFFULL | WFMODE)); |
519 |
|
|
} |
520 |
|
|
|
521 |
|
|
/* ARGSUSED */ |
522 |
|
|
void |
523 |
|
|
reaper(int signo __attribute__((unused))) |
524 |
|
|
{ |
525 |
|
|
int save_errno = errno, status; |
526 |
|
|
|
527 |
|
|
while (waitpid(-1, &status, WNOHANG) >= 0) |
528 |
|
|
; |
529 |
|
|
errno = save_errno; |
530 |
|
|
} |
531 |
|
|
|
532 |
|
|
/* |
533 |
|
|
* Pipe the currently selected file through a shell command. |
534 |
|
|
*/ |
535 |
|
|
/* ARGSUSED */ |
536 |
|
|
int |
537 |
|
|
d_shell_command(int f, int n) |
538 |
|
|
{ |
539 |
|
|
char command[512], fname[PATH_MAX], *bufp; |
540 |
|
|
struct buffer *bp; |
541 |
|
|
struct mgwin *wp; |
542 |
|
|
char sname[NFILEN]; |
543 |
|
|
|
544 |
|
|
bp = bfind("*Shell Command Output*", TRUE); |
545 |
|
|
if (bclear(bp) != TRUE) |
546 |
|
|
return (ABORT); |
547 |
|
|
|
548 |
|
|
if (d_makename(curwp->w_dotp, fname, sizeof(fname)) != FALSE) { |
549 |
|
|
dobeep(); |
550 |
|
|
ewprintf("bad line"); |
551 |
|
|
return (ABORT); |
552 |
|
|
} |
553 |
|
|
|
554 |
|
|
command[0] = '\0'; |
555 |
|
|
(void)xbasename(sname, fname, NFILEN); |
556 |
|
|
bufp = eread("! on %s: ", command, sizeof(command), EFNEW, sname); |
557 |
|
|
if (bufp == NULL) |
558 |
|
|
return (ABORT); |
559 |
|
|
|
560 |
|
|
if (d_exec(0, bp, fname, "sh", "-c", command, NULL) != TRUE) |
561 |
|
|
return (ABORT); |
562 |
|
|
|
563 |
|
|
if ((wp = popbuf(bp, WNONE)) == NULL) |
564 |
|
|
return (ABORT); /* XXX - free the buffer?? */ |
565 |
|
|
curwp = wp; |
566 |
|
|
curbp = wp->w_bufp; |
567 |
|
|
return (TRUE); |
568 |
|
|
} |
569 |
|
|
|
570 |
|
|
/* |
571 |
|
|
* Pipe input file to cmd and insert the command's output in the |
572 |
|
|
* given buffer. Each line will be prefixed with the given |
573 |
|
|
* number of spaces. |
574 |
|
|
*/ |
575 |
|
|
static int |
576 |
|
|
d_exec(int space, struct buffer *bp, const char *input, const char *cmd, ...) |
577 |
|
|
{ |
578 |
|
|
char buf[BUFSIZ]; |
579 |
|
|
va_list ap; |
580 |
|
|
struct sigaction olda, newa; |
581 |
|
|
char **argv = NULL, *cp; |
582 |
|
|
FILE *fin; |
583 |
|
|
int fds[2] = { -1, -1 }; |
584 |
|
|
int infd = -1; |
585 |
|
|
int ret = (ABORT), n; |
586 |
|
|
pid_t pid; |
587 |
|
|
|
588 |
|
|
if (sigaction(SIGCHLD, NULL, &olda) == -1) |
589 |
|
|
return (ABORT); |
590 |
|
|
|
591 |
|
|
/* Find the number of arguments. */ |
592 |
|
|
va_start(ap, cmd); |
593 |
|
|
for (n = 2; va_arg(ap, char *) != NULL; n++) |
594 |
|
|
; |
595 |
|
|
va_end(ap); |
596 |
|
|
|
597 |
|
|
/* Allocate and build the argv. */ |
598 |
|
|
if ((argv = calloc(n, sizeof(*argv))) == NULL) { |
599 |
|
|
dobeep(); |
600 |
|
|
ewprintf("Can't allocate argv : %s", strerror(errno)); |
601 |
|
|
goto out; |
602 |
|
|
} |
603 |
|
|
|
604 |
|
|
n = 1; |
605 |
|
|
argv[0] = (char *)cmd; |
606 |
|
|
va_start(ap, cmd); |
607 |
|
|
while ((argv[n] = va_arg(ap, char *)) != NULL) |
608 |
|
|
n++; |
609 |
|
|
va_end(ap); |
610 |
|
|
|
611 |
|
|
if (input == NULL) |
612 |
|
|
input = "/dev/null"; |
613 |
|
|
|
614 |
|
|
if ((infd = open(input, O_RDONLY)) == -1) { |
615 |
|
|
dobeep(); |
616 |
|
|
ewprintf("Can't open input file : %s", strerror(errno)); |
617 |
|
|
goto out; |
618 |
|
|
} |
619 |
|
|
|
620 |
|
|
if (pipe(fds) == -1) { |
621 |
|
|
dobeep(); |
622 |
|
|
ewprintf("Can't create pipe : %s", strerror(errno)); |
623 |
|
|
goto out; |
624 |
|
|
} |
625 |
|
|
|
626 |
|
|
newa.sa_handler = reaper; |
627 |
|
|
newa.sa_flags = 0; |
628 |
|
|
if (sigaction(SIGCHLD, &newa, NULL) == -1) |
629 |
|
|
goto out; |
630 |
|
|
|
631 |
|
|
if ((pid = fork()) == -1) { |
632 |
|
|
dobeep(); |
633 |
|
|
ewprintf("Can't fork"); |
634 |
|
|
goto out; |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
switch (pid) { |
638 |
|
|
case 0: /* Child */ |
639 |
|
|
close(fds[0]); |
640 |
|
|
dup2(infd, STDIN_FILENO); |
641 |
|
|
dup2(fds[1], STDOUT_FILENO); |
642 |
|
|
dup2(fds[1], STDERR_FILENO); |
643 |
|
|
if (execvp(argv[0], argv) == -1) |
644 |
|
|
ewprintf("Can't exec %s: %s", argv[0], strerror(errno)); |
645 |
|
|
exit(1); |
646 |
|
|
break; |
647 |
|
|
default: /* Parent */ |
648 |
|
|
close(infd); |
649 |
|
|
close(fds[1]); |
650 |
|
|
infd = fds[1] = -1; |
651 |
|
|
if ((fin = fdopen(fds[0], "r")) == NULL) |
652 |
|
|
goto out; |
653 |
|
|
while (fgets(buf, sizeof(buf), fin) != NULL) { |
654 |
|
|
cp = strrchr(buf, '\n'); |
655 |
|
|
if (cp == NULL && !feof(fin)) { /* too long a line */ |
656 |
|
|
int c; |
657 |
|
|
addlinef(bp, "%*s%s...", space, "", buf); |
658 |
|
|
while ((c = getc(fin)) != EOF && c != '\n') |
659 |
|
|
; |
660 |
|
|
continue; |
661 |
|
|
} else if (cp) |
662 |
|
|
*cp = '\0'; |
663 |
|
|
addlinef(bp, "%*s%s", space, "", buf); |
664 |
|
|
} |
665 |
|
|
fclose(fin); |
666 |
|
|
break; |
667 |
|
|
} |
668 |
|
|
ret = (TRUE); |
669 |
|
|
|
670 |
|
|
out: |
671 |
|
|
if (sigaction(SIGCHLD, &olda, NULL) == -1) |
672 |
|
|
ewprintf("Warning, couldn't reset previous signal handler"); |
673 |
|
|
if (fds[0] != -1) |
674 |
|
|
close(fds[0]); |
675 |
|
|
if (fds[1] != -1) |
676 |
|
|
close(fds[1]); |
677 |
|
|
if (infd != -1) |
678 |
|
|
close(infd); |
679 |
|
|
free(argv); |
680 |
|
|
return ret; |
681 |
|
|
} |
682 |
|
|
|
683 |
|
|
/* ARGSUSED */ |
684 |
|
|
int |
685 |
|
|
d_create_directory(int f, int n) |
686 |
|
|
{ |
687 |
|
|
int ret; |
688 |
|
|
struct buffer *bp; |
689 |
|
|
|
690 |
|
|
ret = ask_makedir(); |
691 |
|
|
if (ret != TRUE) |
692 |
|
|
return(ret); |
693 |
|
|
|
694 |
|
|
if ((bp = refreshbuffer(curbp)) == NULL) |
695 |
|
|
return (FALSE); |
696 |
|
|
|
697 |
|
|
return (showbuffer(bp, curwp, WFFULL | WFMODE)); |
698 |
|
|
} |
699 |
|
|
|
700 |
|
|
/* ARGSUSED */ |
701 |
|
|
int |
702 |
|
|
d_killbuffer_cmd(int f, int n) |
703 |
|
|
{ |
704 |
|
|
return(killbuffer_cmd(FFRAND, 0)); |
705 |
|
|
} |
706 |
|
|
|
707 |
|
|
int |
708 |
|
|
d_refreshbuffer(int f, int n) |
709 |
|
|
{ |
710 |
|
|
struct buffer *bp; |
711 |
|
|
|
712 |
|
|
if ((bp = refreshbuffer(curbp)) == NULL) |
713 |
|
|
return (FALSE); |
714 |
|
|
|
715 |
|
|
return (showbuffer(bp, curwp, WFFULL | WFMODE)); |
716 |
|
|
} |
717 |
|
|
|
718 |
|
|
/* |
719 |
|
|
* Kill then re-open the requested dired buffer. |
720 |
|
|
* If required, take a note of any files marked for deletion. Then once |
721 |
|
|
* the buffer has been re-opened, remark the same files as deleted. |
722 |
|
|
*/ |
723 |
|
|
struct buffer * |
724 |
|
|
refreshbuffer(struct buffer *bp) |
725 |
|
|
{ |
726 |
|
|
char *tmp_b_fname; |
727 |
|
|
int i, tmp_w_dotline, ddel = 0; |
728 |
|
|
|
729 |
|
|
/* remember directory path to open later */ |
730 |
|
|
tmp_b_fname = strdup(bp->b_fname); |
731 |
|
|
if (tmp_b_fname == NULL) { |
732 |
|
|
dobeep(); |
733 |
|
|
ewprintf("Out of memory"); |
734 |
|
|
return (NULL); |
735 |
|
|
} |
736 |
|
|
tmp_w_dotline = curwp->w_dotline; |
737 |
|
|
|
738 |
|
|
/* create a list of files for deletion */ |
739 |
|
|
if (bp->b_flag & BFDIREDDEL) |
740 |
|
|
ddel = createlist(bp); |
741 |
|
|
|
742 |
|
|
killbuffer(bp); |
743 |
|
|
|
744 |
|
|
/* dired_() uses findbuffer() to create new buffer */ |
745 |
|
|
if ((bp = dired_(tmp_b_fname)) == NULL) { |
746 |
|
|
free(tmp_b_fname); |
747 |
|
|
return (NULL); |
748 |
|
|
} |
749 |
|
|
free(tmp_b_fname); |
750 |
|
|
|
751 |
|
|
/* remark any previously deleted files with a 'D' */ |
752 |
|
|
if (ddel) |
753 |
|
|
redelete(bp); |
754 |
|
|
|
755 |
|
|
/* find dot line */ |
756 |
|
|
bp->b_dotp = bfirstlp(bp); |
757 |
|
|
if (tmp_w_dotline > bp->b_lines) |
758 |
|
|
tmp_w_dotline = bp->b_lines - 1; |
759 |
|
|
for (i = 1; i < tmp_w_dotline; i++) |
760 |
|
|
bp->b_dotp = lforw(bp->b_dotp); |
761 |
|
|
|
762 |
|
|
bp->b_dotline = i; |
763 |
|
|
bp->b_doto = 0; |
764 |
|
|
d_warpdot(bp->b_dotp, &bp->b_doto); |
765 |
|
|
|
766 |
|
|
curbp = bp; |
767 |
|
|
|
768 |
|
|
return (bp); |
769 |
|
|
} |
770 |
|
|
|
771 |
|
|
static int |
772 |
|
|
d_makename(struct line *lp, char *fn, size_t len) |
773 |
|
|
{ |
774 |
|
|
int start, nlen; |
775 |
|
|
char *namep; |
776 |
|
|
|
777 |
|
|
if (d_warpdot(lp, &start) == FALSE) |
778 |
|
|
return (ABORT); |
779 |
|
|
namep = &lp->l_text[start]; |
780 |
|
|
nlen = llength(lp) - start; |
781 |
|
|
|
782 |
|
|
if (snprintf(fn, len, "%s%.*s", curbp->b_fname, nlen, namep) >= len) |
783 |
|
|
return (ABORT); /* Name is too long. */ |
784 |
|
|
|
785 |
|
|
/* Return TRUE if the entry is a directory. */ |
786 |
|
|
return ((lgetc(lp, 2) == 'd') ? TRUE : FALSE); |
787 |
|
|
} |
788 |
|
|
|
789 |
|
|
#define NAME_FIELD 9 |
790 |
|
|
|
791 |
|
|
static int |
792 |
|
|
d_warpdot(struct line *dotp, int *doto) |
793 |
|
|
{ |
794 |
|
|
char *tp = dotp->l_text; |
795 |
|
|
int off = 0, field = 0, len; |
796 |
|
|
|
797 |
|
|
/* |
798 |
|
|
* Find the byte offset to the (space-delimited) filename |
799 |
|
|
* field in formatted ls output. |
800 |
|
|
*/ |
801 |
|
|
len = llength(dotp); |
802 |
|
|
while (off < len) { |
803 |
|
|
if (tp[off++] == ' ') { |
804 |
|
|
if (++field == NAME_FIELD) { |
805 |
|
|
*doto = off; |
806 |
|
|
return (TRUE); |
807 |
|
|
} |
808 |
|
|
/* Skip the space. */ |
809 |
|
|
while (off < len && tp[off] == ' ') |
810 |
|
|
off++; |
811 |
|
|
} |
812 |
|
|
} |
813 |
|
|
/* We didn't find the field. */ |
814 |
|
|
*doto = 0; |
815 |
|
|
return (FALSE); |
816 |
|
|
} |
817 |
|
|
|
818 |
|
|
static int |
819 |
|
|
d_forwpage(int f, int n) |
820 |
|
|
{ |
821 |
|
|
forwpage(f | FFRAND, n); |
822 |
|
|
return (d_warpdot(curwp->w_dotp, &curwp->w_doto)); |
823 |
|
|
} |
824 |
|
|
|
825 |
|
|
static int |
826 |
|
|
d_backpage (int f, int n) |
827 |
|
|
{ |
828 |
|
|
backpage(f | FFRAND, n); |
829 |
|
|
return (d_warpdot(curwp->w_dotp, &curwp->w_doto)); |
830 |
|
|
} |
831 |
|
|
|
832 |
|
|
static int |
833 |
|
|
d_forwline (int f, int n) |
834 |
|
|
{ |
835 |
|
|
forwline(f | FFRAND, n); |
836 |
|
|
return (d_warpdot(curwp->w_dotp, &curwp->w_doto)); |
837 |
|
|
} |
838 |
|
|
|
839 |
|
|
static int |
840 |
|
|
d_backline (int f, int n) |
841 |
|
|
{ |
842 |
|
|
backline(f | FFRAND, n); |
843 |
|
|
return (d_warpdot(curwp->w_dotp, &curwp->w_doto)); |
844 |
|
|
} |
845 |
|
|
|
846 |
|
|
int |
847 |
|
|
d_filevisitalt (int f, int n) |
848 |
|
|
{ |
849 |
|
|
char fname[NFILEN]; |
850 |
|
|
|
851 |
|
|
if (d_makename(curwp->w_dotp, fname, sizeof(fname)) == ABORT) |
852 |
|
|
return (FALSE); |
853 |
|
|
|
854 |
|
|
return(do_filevisitalt(fname)); |
855 |
|
|
} |
856 |
|
|
|
857 |
|
|
/* |
858 |
|
|
* XXX dname needs to have enough place to store an additional '/'. |
859 |
|
|
*/ |
860 |
|
|
struct buffer * |
861 |
|
|
dired_(char *dname) |
862 |
|
|
{ |
863 |
|
|
struct buffer *bp; |
864 |
|
|
int i; |
865 |
|
|
size_t len; |
866 |
|
|
|
867 |
|
|
if ((dname = adjustname(dname, TRUE)) == NULL) { |
868 |
|
|
dobeep(); |
869 |
|
|
ewprintf("Bad directory name"); |
870 |
|
|
return (NULL); |
871 |
|
|
} |
872 |
|
|
/* this should not be done, instead adjustname() should get a flag */ |
873 |
|
|
len = strlen(dname); |
874 |
|
|
if (dname[len - 1] != '/') { |
875 |
|
|
dname[len++] = '/'; |
876 |
|
|
dname[len] = '\0'; |
877 |
|
|
} |
878 |
|
|
if ((access(dname, R_OK | X_OK)) == -1) { |
879 |
|
|
if (errno == EACCES) { |
880 |
|
|
dobeep(); |
881 |
|
|
ewprintf("Permission denied: %s", dname); |
882 |
|
|
} |
883 |
|
|
return (NULL); |
884 |
|
|
} |
885 |
|
|
for (bp = bheadp; bp != NULL; bp = bp->b_bufp) { |
886 |
|
|
if (strcmp(bp->b_fname, dname) == 0) { |
887 |
|
|
if (fchecktime(bp) != TRUE) |
888 |
|
|
ewprintf("Directory has changed on disk;" |
889 |
|
|
" type g to update Dired"); |
890 |
|
|
return (bp); |
891 |
|
|
} |
892 |
|
|
|
893 |
|
|
} |
894 |
|
|
bp = bfind(dname, TRUE); |
895 |
|
|
bp->b_flag |= BFREADONLY | BFIGNDIRTY; |
896 |
|
|
|
897 |
|
|
if ((d_exec(2, bp, NULL, "ls", "-al", dname, NULL)) != TRUE) |
898 |
|
|
return (NULL); |
899 |
|
|
|
900 |
|
|
/* Find the line with ".." on it. */ |
901 |
|
|
bp->b_dotp = bfirstlp(bp); |
902 |
|
|
bp->b_dotline = 1; |
903 |
|
|
for (i = 0; i < bp->b_lines; i++) { |
904 |
|
|
bp->b_dotp = lforw(bp->b_dotp); |
905 |
|
|
bp->b_dotline++; |
906 |
|
|
if (d_warpdot(bp->b_dotp, &bp->b_doto) == FALSE) |
907 |
|
|
continue; |
908 |
|
|
if (strcmp(ltext(bp->b_dotp) + bp->b_doto, "..") == 0) |
909 |
|
|
break; |
910 |
|
|
} |
911 |
|
|
|
912 |
|
|
/* We want dot on the entry right after "..", if possible. */ |
913 |
|
|
if (++i < bp->b_lines - 2) { |
914 |
|
|
bp->b_dotp = lforw(bp->b_dotp); |
915 |
|
|
bp->b_dotline++; |
916 |
|
|
} |
917 |
|
|
d_warpdot(bp->b_dotp, &bp->b_doto); |
918 |
|
|
|
919 |
|
|
(void)strlcpy(bp->b_fname, dname, sizeof(bp->b_fname)); |
920 |
|
|
(void)strlcpy(bp->b_cwd, dname, sizeof(bp->b_cwd)); |
921 |
|
|
if ((bp->b_modes[1] = name_mode("dired")) == NULL) { |
922 |
|
|
bp->b_modes[0] = name_mode("fundamental"); |
923 |
|
|
dobeep(); |
924 |
|
|
ewprintf("Could not find mode dired"); |
925 |
|
|
return (NULL); |
926 |
|
|
} |
927 |
|
|
(void)fupdstat(bp); |
928 |
|
|
bp->b_nmodes = 1; |
929 |
|
|
return (bp); |
930 |
|
|
} |
931 |
|
|
|
932 |
|
|
/* |
933 |
|
|
* Iterate through the lines of the dired buffer looking for files |
934 |
|
|
* collected in the linked list made in createlist(). If a line is found |
935 |
|
|
* replace 'D' as first char in a line. As lines are found, remove the |
936 |
|
|
* corresponding item from the linked list. Iterate for as long as there |
937 |
|
|
* are items in the linked list or until end of buffer is found. |
938 |
|
|
*/ |
939 |
|
|
void |
940 |
|
|
redelete(struct buffer *bp) |
941 |
|
|
{ |
942 |
|
|
struct delentry *d1 = NULL; |
943 |
|
|
struct line *lp, *nlp; |
944 |
|
|
char fname[NFILEN]; |
945 |
|
|
char *p = fname; |
946 |
|
|
size_t plen, fnlen; |
947 |
|
|
int finished = 0; |
948 |
|
|
|
949 |
|
|
/* reset the deleted file buffer flag until a deleted file is found */ |
950 |
|
|
bp->b_flag &= ~BFDIREDDEL; |
951 |
|
|
|
952 |
|
|
for (lp = bfirstlp(bp); lp != bp->b_headp; lp = nlp) { |
953 |
|
|
bp->b_dotp = lp; |
954 |
|
|
if ((p = findfname(lp, p)) == NULL) { |
955 |
|
|
nlp = lforw(lp); |
956 |
|
|
continue; |
957 |
|
|
} |
958 |
|
|
plen = strlen(p); |
959 |
|
|
SLIST_FOREACH(d1, &delhead, entry) { |
960 |
|
|
fnlen = strlen(d1->fn); |
961 |
|
|
if ((plen == fnlen) && |
962 |
|
|
(strncmp(p, d1->fn, plen) == 0)) { |
963 |
|
|
lputc(bp->b_dotp, 0, DDELCHAR); |
964 |
|
|
bp->b_flag |= BFDIREDDEL; |
965 |
|
|
SLIST_REMOVE(&delhead, d1, delentry, entry); |
966 |
|
|
if (SLIST_EMPTY(&delhead)) { |
967 |
|
|
finished = 1; |
968 |
|
|
break; |
969 |
|
|
} |
970 |
|
|
} |
971 |
|
|
} |
972 |
|
|
if (finished) |
973 |
|
|
break; |
974 |
|
|
nlp = lforw(lp); |
975 |
|
|
} |
976 |
|
|
while (!SLIST_EMPTY(&delhead)) { |
977 |
|
|
d1 = SLIST_FIRST(&delhead); |
978 |
|
|
SLIST_REMOVE_HEAD(&delhead, entry); |
979 |
|
|
free(d1->fn); |
980 |
|
|
free(d1); |
981 |
|
|
} |
982 |
|
|
return; |
983 |
|
|
} |
984 |
|
|
|
985 |
|
|
/* |
986 |
|
|
* Create a list of files marked for deletion. |
987 |
|
|
*/ |
988 |
|
|
int |
989 |
|
|
createlist(struct buffer *bp) |
990 |
|
|
{ |
991 |
|
|
struct delentry *d1 = NULL, *d2; |
992 |
|
|
struct line *lp, *nlp; |
993 |
|
|
char fname[NFILEN]; |
994 |
|
|
char *p = fname; |
995 |
|
|
int ret = FALSE; |
996 |
|
|
|
997 |
|
|
for (lp = bfirstlp(bp); lp != bp->b_headp; lp = nlp) { |
998 |
|
|
/* |
999 |
|
|
* Check if the line has 'D' on the first char and if a valid |
1000 |
|
|
* filename can be extracted from it. |
1001 |
|
|
*/ |
1002 |
|
|
if (((lp->l_text[0] != DDELCHAR)) || |
1003 |
|
|
((p = findfname(lp, p)) == NULL)) { |
1004 |
|
|
nlp = lforw(lp); |
1005 |
|
|
continue; |
1006 |
|
|
} |
1007 |
|
|
if (SLIST_EMPTY(&delhead)) { |
1008 |
|
|
if ((d1 = malloc(sizeof(struct delentry))) |
1009 |
|
|
== NULL) |
1010 |
|
|
return (ABORT); |
1011 |
|
|
if ((d1->fn = strdup(p)) == NULL) { |
1012 |
|
|
free(d1); |
1013 |
|
|
return (ABORT); |
1014 |
|
|
} |
1015 |
|
|
SLIST_INSERT_HEAD(&delhead, d1, entry); |
1016 |
|
|
} else { |
1017 |
|
|
if ((d2 = malloc(sizeof(struct delentry))) |
1018 |
|
|
== NULL) { |
1019 |
|
|
free(d1->fn); |
1020 |
|
|
free(d1); |
1021 |
|
|
return (ABORT); |
1022 |
|
|
} |
1023 |
|
|
if ((d2->fn = strdup(p)) == NULL) { |
1024 |
|
|
free(d1->fn); |
1025 |
|
|
free(d1); |
1026 |
|
|
free(d2); |
1027 |
|
|
return (ABORT); |
1028 |
|
|
} |
1029 |
|
|
SLIST_INSERT_AFTER(d1, d2, entry); |
1030 |
|
|
d1 = d2; |
1031 |
|
|
} |
1032 |
|
|
ret = TRUE; |
1033 |
|
|
nlp = lforw(lp); |
1034 |
|
|
} |
1035 |
|
|
return (ret); |
1036 |
|
|
} |
1037 |
|
|
|
1038 |
|
|
/* |
1039 |
|
|
* Look for and extract a file name on a dired buffer line. |
1040 |
|
|
*/ |
1041 |
|
|
char * |
1042 |
|
|
findfname(struct line *lp, char *fn) |
1043 |
|
|
{ |
1044 |
|
|
int start; |
1045 |
|
|
|
1046 |
|
|
(void)d_warpdot(lp, &start); |
1047 |
|
|
if (start < 1) |
1048 |
|
|
return NULL; |
1049 |
|
|
fn = &lp->l_text[start]; |
1050 |
|
|
return fn; |
1051 |
|
|
} |