142 lines
3.5 KiB
C
142 lines
3.5 KiB
C
/*
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* Mini cp implementation for busybox
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*
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* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <stdio.h>
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#include <time.h>
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#include <utime.h>
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#include <dirent.h>
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const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
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" or: cp [OPTION]... SOURCE... DIRECTORY\n"
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"Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
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"\n"
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"\t-a\tsame as -dpR\n"
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"\t-d\tpreserve links\n"
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"\t-p\tpreserve file attributes if possable\n"
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"\t-R\tcopy directories recursively\n";
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static int recursiveFlag = FALSE;
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static int followLinks = FALSE;
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static int preserveFlag = FALSE;
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static const char *srcName;
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static const char *destName;
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static int fileAction(const char *fileName)
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{
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char newdestName[NAME_MAX];
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strcpy(newdestName, destName);
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strcat(newdestName, fileName+(strlen(srcName)));
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fprintf(stderr, "A: copying %s to %s\n", fileName, newdestName);
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return (copyFile(fileName, newdestName, preserveFlag, followLinks));
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}
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static int dirAction(const char *fileName)
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{
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char newdestName[NAME_MAX];
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struct stat statBuf;
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struct utimbuf times;
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strcpy(newdestName, destName);
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strcat(newdestName, fileName+(strlen(srcName)));
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if (stat(newdestName, &statBuf)) {
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if (mkdir( newdestName, 0777777 ^ umask (0))) {
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perror(newdestName);
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return( FALSE);
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}
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}
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else if (!S_ISDIR (statBuf.st_mode)) {
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fprintf(stderr, "`%s' exists but is not a directory", newdestName);
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return( FALSE);
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}
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if (preserveFlag==TRUE) {
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/* Try to preserve premissions, but don't whine on failure */
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if (stat(newdestName, &statBuf)) {
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perror(newdestName);
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return( FALSE);
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}
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chmod(newdestName, statBuf.st_mode);
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chown(newdestName, statBuf.st_uid, statBuf.st_gid);
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times.actime = statBuf.st_atime;
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times.modtime = statBuf.st_mtime;
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utime(newdestName, ×);
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}
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return TRUE;
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}
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extern int cp_main(int argc, char **argv)
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{
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int dirFlag;
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if (argc < 3) {
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fprintf(stderr, "Usage: %s", cp_usage);
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exit (FALSE);
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}
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argc--;
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argv++;
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/* Parse any options */
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while (**argv == '-') {
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while (*++(*argv))
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switch (**argv) {
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case 'a':
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followLinks = TRUE;
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preserveFlag = TRUE;
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recursiveFlag = TRUE;
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break;
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case 'd':
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followLinks = TRUE;
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break;
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case 'p':
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preserveFlag = TRUE;
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break;
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case 'R':
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recursiveFlag = TRUE;
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break;
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default:
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fprintf(stderr, "Usage: %s\n", cp_usage);
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exit(FALSE);
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}
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argc--;
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argv++;
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}
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destName = argv[argc - 1];
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dirFlag = isDirectory(destName);
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if ((argc > 3) && !dirFlag) {
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fprintf(stderr, "%s: not a directory\n", destName);
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exit (FALSE);
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}
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while (argc-- >= 2) {
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srcName = *(argv++);
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exit( recursiveAction(srcName, recursiveFlag, followLinks,
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fileAction, fileAction));
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}
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exit( TRUE);
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}
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