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authorEric Andersen <andersen@codepoet.org>1999-10-09 00:25:00 +0000
committerEric Andersen <andersen@codepoet.org>1999-10-09 00:25:00 +0000
commitf811e07b072600a3784a92e5a1dc8a93dac477eb (patch)
tree820c6366f8bdacf617a9591cc2ca9dfe107b1fa3 /coreutils/cp.c
parent8341a1565306a54e685455d19efb0516ad3328a1 (diff)
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More stuff.
Diffstat (limited to 'coreutils/cp.c')
-rw-r--r--coreutils/cp.c206
1 files changed, 129 insertions, 77 deletions
diff --git a/coreutils/cp.c b/coreutils/cp.c
index 078a57c56..797663d2b 100644
--- a/coreutils/cp.c
+++ b/coreutils/cp.c
@@ -1,89 +1,141 @@
1/*
2 * Mini cp implementation for busybox
3 *
4 * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
1#include "internal.h" 22#include "internal.h"
2#include <stdio.h> 23#include <stdio.h>
3#include <sys/stat.h> 24#include <time.h>
4#include <sys/fcntl.h> 25#include <utime.h>
5#include <sys/param.h> 26#include <dirent.h>
6#include <errno.h> 27
7 28const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
8const char cp_usage[] = "cp [-r] source-file destination-file\n" 29 " or: cp [OPTION]... SOURCE... DIRECTORY\n"
9"\t\tcp [-r] source-file [source-file ...] destination-directory\n" 30 "Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
10"\n" 31 "\n"
11"\tCopy the source files to the destination.\n" 32 "\t-a\tsame as -dpR\n"
12"\n" 33 "\t-d\tpreserve links\n"
13"\t-r:\tRecursively copy all files and directories\n" 34 "\t-p\tpreserve file attributes if possable\n"
14"\t\tunder the argument directory."; 35 "\t-R\tcopy directories recursively\n";
15 36
16extern int 37
17cp_fn(const struct FileInfo * i) 38static int recursiveFlag = FALSE;
39static int followLinks = FALSE;
40static int preserveFlag = FALSE;
41static const char *srcName;
42static const char *destName;
43
44
45static int fileAction(const char *fileName)
18{ 46{
19 int sourceFd; 47 char newdestName[NAME_MAX];
20 int destinationFd; 48 strcpy(newdestName, destName);
21 const char * destination = i->destination; 49 strcat(newdestName, fileName+(strlen(srcName)));
22 struct stat destination_stat; 50 fprintf(stderr, "A: copying %s to %s\n", fileName, newdestName);
23 int status; 51 return (copyFile(fileName, newdestName, preserveFlag, followLinks));
24 char buf[8192]; 52}
25 char d[PATH_MAX]; 53
26 54static int dirAction(const char *fileName)
27 if ( (i->stat.st_mode & S_IFMT) == S_IFDIR ) { 55{
28 if ( mkdir(destination, i->stat.st_mode & ~S_IFMT) 56 char newdestName[NAME_MAX];
29 != 0 && errno != EEXIST ) { 57 struct stat statBuf;
30 name_and_error(destination); 58 struct utimbuf times;
31 return 1; 59
32 } 60 strcpy(newdestName, destName);
33 return 0; 61 strcat(newdestName, fileName+(strlen(srcName)));
62 if (stat(newdestName, &statBuf)) {
63 if (mkdir( newdestName, 0777777 ^ umask (0))) {
64 perror(newdestName);
65 return( FALSE);
66 }
34 } 67 }
35 if ( (sourceFd = open(i->source, O_RDONLY)) < 0 ) { 68 else if (!S_ISDIR (statBuf.st_mode)) {
36 name_and_error(i->source); 69 fprintf(stderr, "`%s' exists but is not a directory", newdestName);
37 return 1; 70 return( FALSE);
38 } 71 }
39 if ( stat(destination, &destination_stat) == 0 ) { 72 if (preserveFlag==TRUE) {
40 if ( i->stat.st_ino == destination_stat.st_ino 73 /* Try to preserve premissions, but don't whine on failure */
41 && i->stat.st_dev == destination_stat.st_dev ) { 74 if (stat(newdestName, &statBuf)) {
42 fprintf(stderr 75 perror(newdestName);
43 ,"copy of %s to %s would copy file to itself.\n" 76 return( FALSE);
44 ,i->source 77 }
45 ,destination); 78 chmod(newdestName, statBuf.st_mode);
46 close(sourceFd); 79 chown(newdestName, statBuf.st_uid, statBuf.st_gid);
47 return 1; 80 times.actime = statBuf.st_atime;
48 } 81 times.modtime = statBuf.st_mtime;
82 utime(newdestName, &times);
49 } 83 }
50 /* 84 return TRUE;
51 * If the destination is a directory, create a file within it. 85}
52 */ 86
53 if ( (destination_stat.st_mode & S_IFMT) == S_IFDIR ) { 87extern int cp_main(int argc, char **argv)
54 destination = join_paths( 88{
55 d 89
56 ,i->destination 90 int dirFlag;
57 ,&i->source[i->directoryLength]); 91
58 92 if (argc < 3) {
59 if ( stat(destination, &destination_stat) == 0 ) { 93 fprintf(stderr, "Usage: %s", cp_usage);
60 if ( i->stat.st_ino == destination_stat.st_ino 94 return (FALSE);
61 && i->stat.st_dev == destination_stat.st_dev ) {
62 fprintf(stderr
63 ,"copy of %s to %s would copy file to itself.\n"
64 ,i->source
65 ,destination);
66 close(sourceFd);
67 return 1;
68 }
69 }
70 } 95 }
96 argc--;
97 argv++;
71 98
72 destinationFd = creat(destination, i->stat.st_mode & 07777); 99 /* Parse any options */
100 while (**argv == '-') {
101 while (*++(*argv))
102 switch (**argv) {
103 case 'a':
104 followLinks = TRUE;
105 preserveFlag = TRUE;
106 recursiveFlag = TRUE;
107 break;
108 case 'd':
109 followLinks = TRUE;
110 break;
111 case 'p':
112 preserveFlag = TRUE;
113 break;
114 case 'R':
115 recursiveFlag = TRUE;
116 break;
117 default:
118 fprintf(stderr, "Usage: %s\n", cp_usage);
119 exit(FALSE);
120 }
121 argc--;
122 argv++;
123 }
124
125
126 destName = argv[argc - 1];
73 127
74 while ( (status = read(sourceFd, buf, sizeof(buf))) > 0 ) { 128 dirFlag = isDirectory(destName);
75 if ( write(destinationFd, buf, status) != status ) { 129
76 name_and_error(destination); 130 if ((argc > 3) && !dirFlag) {
77 close(sourceFd); 131 fprintf(stderr, "%s: not a directory\n", destName);
78 close(destinationFd); 132 return (FALSE);
79 return 1;
80 }
81 } 133 }
82 close(sourceFd); 134
83 close(destinationFd); 135 while (argc-- >= 2) {
84 if ( status < 0 ) { 136 srcName = *(argv++);
85 name_and_error(i->source); 137 return recursiveAction(srcName, recursiveFlag, followLinks,
86 return 1; 138 fileAction, fileAction);
87 } 139 }
88 return 0; 140 return( TRUE);
89} 141}
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