busybox/coreutils/cp.c

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/*
* Mini cp implementation for busybox
*
* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
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#include "internal.h"
#include <stdio.h>
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#include <time.h>
#include <utime.h>
#include <dirent.h>
static const char cp_usage[] = "cp [OPTION]... SOURCE DEST\n"
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" or: cp [OPTION]... SOURCE... DIRECTORY\n"
"Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.\n"
"\n"
"\t-a\tsame as -dpR\n"
"\t-d\tpreserve links\n"
"\t-p\tpreserve file attributes if possable\n"
"\t-R\tcopy directories recursively\n";
static int recursiveFlag = FALSE;
static int followLinks = FALSE;
static int preserveFlag = FALSE;
static const char *srcName;
static const char *destName;
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static const char *skipName;
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static int dirFlag = FALSE;
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static int fileAction(const char *fileName, struct stat* statbuf)
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{
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char newdestName[NAME_MAX];
strcpy(newdestName, destName);
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if (dirFlag==TRUE) {
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strcat(newdestName, "/");
if ( skipName != NULL)
strcat(newdestName, strstr(fileName, skipName));
}
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return (copyFile(fileName, newdestName, preserveFlag, followLinks));
}
extern int cp_main(int argc, char **argv)
{
if (argc < 3) {
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usage (cp_usage);
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}
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argc--;
argv++;
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/* Parse any options */
while (**argv == '-') {
while (*++(*argv))
switch (**argv) {
case 'a':
followLinks = TRUE;
preserveFlag = TRUE;
recursiveFlag = TRUE;
break;
case 'd':
followLinks = TRUE;
break;
case 'p':
preserveFlag = TRUE;
break;
case 'R':
recursiveFlag = TRUE;
break;
default:
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usage (cp_usage);
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}
argc--;
argv++;
}
destName = argv[argc - 1];
dirFlag = isDirectory(destName);
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if ((argc > 3) && dirFlag==FALSE) {
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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-- > 1) {
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srcName = *(argv++);
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skipName = strrchr(srcName, '/');
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if (skipName)
skipName++;
if (recursiveAction(srcName, recursiveFlag, followLinks, FALSE,
fileAction, fileAction) == FALSE) {
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exit( FALSE);
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}
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}
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exit( TRUE);
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}