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authorErik Andersen2000-02-07 05:29:42 +0000
committerErik Andersen2000-02-07 05:29:42 +0000
commitfac10d7c59f7db0facd5fb94de273310b9ec86e6 (patch)
treedccf8f905fc5807239883da9fca6597037d487fc /cp_mv.c
parent50bc101b7d6e847a9a0621ca3eb28c7117d095e5 (diff)
downloadbusybox-fac10d7c59f7db0facd5fb94de273310b9ec86e6.zip
busybox-fac10d7c59f7db0facd5fb94de273310b9ec86e6.tar.gz
A few minor updates. ;-)
Seriously though, read the Changelog for busybox 0.42, which this is about to become... -Erik
Diffstat (limited to 'cp_mv.c')
-rw-r--r--cp_mv.c258
1 files changed, 258 insertions, 0 deletions
diff --git a/cp_mv.c b/cp_mv.c
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index 0000000..2ba8662
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+++ b/cp_mv.c
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+/*
+ * Mini `cp' and `mv' implementation for BusyBox.
+ *
+ *
+ * Copyright (C) 1999 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ *
+ * Copyright (C) 2000 by BitterSweet Enterprises, LLC. (GPL)
+ * Extensively modified and rewritten by Karl M. Hegbloom <karlheg@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
+ *
+ */
+
+#include "internal.h"
+#define BB_DECLARE_EXTERN
+#define bb_need_name_too_long
+#define bb_need_omitting_directory
+#define bb_need_not_a_directory
+#include "messages.c"
+
+#include <stdio.h>
+#include <time.h>
+#include <utime.h>
+#include <dirent.h>
+#include <sys/param.h>
+
+#define is_cp 0
+#define is_mv 1
+static const char *dz; /* dollar zero, .bss */
+static int dz_i; /* index, .bss */
+static const char *cp_mv_usage[] = /* .rodata */
+{
+ "cp [OPTION]... SOURCE DEST\n"
+ " or: cp [OPTION]... SOURCE... DIRECTORY\n\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 possible\n"
+ "\t-R\tcopy directories recursively\n"
+ ,
+ "mv SOURCE DEST\n"
+ " or: mv SOURCE... DIRECTORY\n\n"
+ "Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY.\n"
+ "Warning!! This is not GNU `mv'. It does not preserve hard links.\n"
+};
+
+extern int cp_mv_main(int argc, char **argv)
+{
+ __label__ name_too_long__exit;
+ __label__ exit_false;
+
+ int recursiveFlag;
+ int followLinks;
+ int preserveFlag;
+
+ const char *baseSrcName;
+ int srcDirFlag;
+
+ char baseDestName[PATH_MAX + 1];
+ size_t baseDestLen;
+ int destDirFlag;
+
+ void fill_baseDest_buf(char *_buf, size_t *_buflen)
+ {
+ const char *srcBasename;
+ if ((srcBasename = strrchr(baseSrcName, '/')) == NULL)
+ {
+ srcBasename = baseSrcName;
+ if (_buf[*_buflen - 1] != '/')
+ {
+ if (++(*_buflen) > PATH_MAX)
+ goto name_too_long__exit;
+ strcat(_buf, "/");
+ }
+ }
+ if (*_buflen + strlen(srcBasename) > PATH_MAX)
+ goto name_too_long__exit;
+ strcat(_buf, srcBasename);
+ return;
+ }
+
+ int fileAction(const char *fileName, struct stat *statbuf)
+ {
+ __label__ return_false;
+ char destName[PATH_MAX + 1];
+ size_t destLen;
+ const char *srcBasename;
+
+ strcpy(destName, baseDestName);
+ destLen = strlen(destName);
+
+ if (srcDirFlag == TRUE)
+ {
+ if (recursiveFlag == FALSE)
+ {
+ fprintf(stderr, omitting_directory, "cp", baseSrcName);
+ return TRUE;
+ }
+ srcBasename = (strstr(fileName, baseSrcName)
+ + strlen(baseSrcName));
+ if (destLen + strlen(srcBasename) > PATH_MAX)
+ {
+ fprintf(stderr, name_too_long, "cp");
+ goto return_false;
+ }
+ strcat(destName, srcBasename);
+ }
+ else if (destDirFlag == TRUE)
+ {
+ fill_baseDest_buf(&destName[0], &destLen);
+ }
+ else
+ {
+ srcBasename = baseSrcName;
+ }
+ return copyFile(fileName, destName, preserveFlag, followLinks);
+
+ return_false:
+ return FALSE;
+ }
+
+ int rmfileAction(const char *fileName, struct stat* statbuf)
+ {
+ if (unlink(fileName) < 0 ) {
+ perror(fileName);
+ return FALSE;
+ }
+ return TRUE;
+ }
+
+ int rmdirAction(const char *fileName, struct stat* statbuf)
+ {
+ if (rmdir(fileName) < 0 ) {
+ perror(fileName);
+ return FALSE;
+ }
+ return TRUE;
+ }
+
+ if ((dz = strrchr(*argv, '/')) == NULL) dz = *argv; else dz++;
+ if (*dz == 'c' && *(dz + 1) == 'p') dz_i = is_cp; else dz_i = is_mv;
+ if (argc < 3) usage(cp_mv_usage[dz_i]);
+ argc--;
+ argv++;
+
+ if (dz_i == is_cp)
+ {
+ recursiveFlag = preserveFlag = FALSE;
+ followLinks = TRUE;
+ while (**argv == '-')
+ {
+ while (*++(*argv))
+ {
+ switch (**argv)
+ {
+ case 'a':
+ followLinks = FALSE;
+ preserveFlag = TRUE;
+ recursiveFlag = TRUE;
+ break;
+ case 'd':
+ followLinks = FALSE;
+ break;
+ case 'p':
+ preserveFlag = TRUE;
+ break;
+ case 'R':
+ recursiveFlag = TRUE;
+ break;
+ default:
+ usage(cp_mv_usage[is_cp]);
+ }
+ }
+ argc--;
+ argv++;
+ }
+ }
+ else /* (dz_i == is_mv) */
+ {
+ recursiveFlag = preserveFlag = TRUE;
+ followLinks = FALSE;
+ }
+
+ if (strlen(argv[argc - 1]) > PATH_MAX)
+ {
+ fprintf(stderr, name_too_long, "cp");
+ goto exit_false;
+ }
+ strcpy(baseDestName, argv[argc - 1]);
+ baseDestLen = strlen(baseDestName);
+ if (baseDestLen == 0) goto exit_false;
+
+ destDirFlag = isDirectory(baseDestName, TRUE);
+ if ((argc > 3) && destDirFlag == FALSE)
+ {
+ fprintf(stderr, not_a_directory, "cp", baseDestName);
+ goto exit_false;
+ }
+
+ while (argc-- > 1)
+ {
+ size_t srcLen;
+ int flags_memo;
+
+ baseSrcName = *(argv++);
+
+ if ((srcLen = strlen(baseSrcName)) > PATH_MAX)
+ goto name_too_long__exit;
+
+ if (srcLen == 0) continue;
+
+ srcDirFlag = isDirectory(baseSrcName, followLinks);
+
+ if ((flags_memo = (recursiveFlag == TRUE &&
+ srcDirFlag == TRUE && destDirFlag == TRUE)))
+ {
+ fill_baseDest_buf(&baseDestName[0], &baseDestLen);
+ }
+ if (recursiveAction(baseSrcName,
+ recursiveFlag, followLinks, FALSE,
+ fileAction, fileAction)
+ == FALSE) goto exit_false;
+
+ if (dz_i == is_mv &&
+ recursiveAction(baseSrcName,
+ recursiveFlag, followLinks, TRUE,
+ rmfileAction, rmdirAction)
+ == FALSE) goto exit_false;
+
+ if (flags_memo) *(baseDestName + baseDestLen) = '\0';
+ }
+
+ exit TRUE;
+
+ name_too_long__exit:
+ fprintf(stderr, name_too_long, "cp");
+ exit_false:
+ exit FALSE;
+}
+
+// Local Variables:
+// c-file-style: "k&r"
+// c-basic-offset: 4
+// End: