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Major coreutils update.

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This commit is contained in:
Manuel Novoa III
2003-03-19 09:13:01 +00:00
parent e01f9662a5
commit cad5364599
295 changed files with 6944 additions and 5570 deletions
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130
coreutils/cp.c
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@@ -2,7 +2,6 @@
/*
* Mini cp implementation for busybox
*
*
* Copyright (C) 2000 by Matt Kraai <kraai@alumni.carnegiemellon.edu>
*
* This program is free software; you can redistribute it and/or modify
@@ -21,6 +20,15 @@
*
*/
/* BB_AUDIT SUSv3 defects - unsupported options -H, -L, and -P. */
/* BB_AUDIT GNU defects - only extension options supported are -a and -d. */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/cp.html */
/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
*
* Size reduction.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
@@ -29,86 +37,76 @@
#include <errno.h>
#include <dirent.h>
#include <stdlib.h>
#include <assert.h>
#include "busybox.h"
#include "libcoreutils/coreutils.h"
static const char cp_opts[] = "pdRfia"; /* WARNING!! ORDER IS IMPORTANT!! */
extern int cp_main(int argc, char **argv)
{
struct stat source_stat;
struct stat dest_stat;
const char *last;
const char *dest;
int s_flags;
int d_flags;
int flags;
int status = 0;
int opt;
int flags = FILEUTILS_DEREFERENCE;
int i;
while ((opt = getopt(argc, argv, "adfipR")) != -1)
switch (opt) {
case 'a':
flags |= FILEUTILS_PRESERVE_STATUS | FILEUTILS_RECUR;
/* fallthrough */
case 'd':
flags &= ~FILEUTILS_DEREFERENCE;
break;
case 'f':
flags |= FILEUTILS_FORCE;
break;
case 'i':
flags |= FILEUTILS_INTERACTIVE;
break;
case 'p':
flags |= FILEUTILS_PRESERVE_STATUS;
break;
case 'R':
flags |= FILEUTILS_RECUR;
break;
default:
show_usage();
}
if (optind + 2 > argc)
show_usage();
/* Since these are enums, #if tests will not work. So use assert()s. */
assert(FILEUTILS_PRESERVE_STATUS == 1);
assert(FILEUTILS_DEREFERENCE == 2);
assert(FILEUTILS_RECUR == 4);
assert(FILEUTILS_FORCE == 8);
assert(FILEUTILS_INTERACTIVE == 16);
flags = bb_getopt_ulflags(argc, argv, cp_opts);
if (flags & 32) {
flags |= (FILEUTILS_PRESERVE_STATUS | FILEUTILS_RECUR | FILEUTILS_DEREFERENCE);
}
flags ^= FILEUTILS_DEREFERENCE; /* The sense of this flag was reversed. */
if (optind + 2 > argc) {
bb_show_usage();
}
last = argv[argc - 1];
argv += optind;
/* If there are only two arguments and... */
if (optind + 2 == argc) {
struct stat source_stat;
struct stat dest_stat;
int source_exists = 1;
int dest_exists = 1;
if ((!(flags & FILEUTILS_DEREFERENCE) &&
lstat(argv[optind], &source_stat) < 0) ||
((flags & FILEUTILS_DEREFERENCE) &&
stat(argv[optind], &source_stat))) {
if (errno != ENOENT)
perror_msg_and_die("unable to stat `%s'", argv[optind]);
source_exists = 0;
s_flags = cp_mv_stat2(*argv, &source_stat,
(flags & FILEUTILS_DEREFERENCE) ? stat : lstat);
if ((s_flags < 0) || ((d_flags = cp_mv_stat(last, &dest_stat)) < 0)) {
exit(EXIT_FAILURE);
}
if (stat(argv[optind + 1], &dest_stat) < 0) {
if (errno != ENOENT)
perror_msg_and_die("unable to stat `%s'", argv[optind + 1]);
dest_exists = 0;
}
/* ...if neither is a directory or... */
if (((!source_exists || !S_ISDIR(source_stat.st_mode)) &&
(!dest_exists || !S_ISDIR(dest_stat.st_mode))) ||
/* ...recursing, the first is a directory, and the
* second doesn't exist, then... */
((flags & FILEUTILS_RECUR) && S_ISDIR(source_stat.st_mode) &&
!dest_exists)) {
if ( !((s_flags | d_flags) & 2) ||
/* ...recursing, the 1st is a directory, and the 2nd doesn't exist... */
/* ((flags & FILEUTILS_RECUR) && (s_flags & 2) && !d_flags) */
/* Simplify the above since FILEUTILS_RECUR >> 1 == 2. */
((((flags & FILEUTILS_RECUR) >> 1) & s_flags) && !d_flags)
) {
/* ...do a simple copy. */
if (copy_file(argv[optind], argv[optind + 1], flags) < 0)
status = 1;
return status;
dest = last;
goto DO_COPY; /* Note: optind+2==argc implies argv[1]==last below. */
}
}
for (i = optind; i < argc - 1; i++) {
char *dest = concat_path_file(argv[argc - 1],
get_last_path_component(argv[i]));
if (copy_file(argv[i], dest, flags) < 0)
do {
dest = concat_path_file(last, bb_get_last_path_component(*argv));
DO_COPY:
if (copy_file(*argv, dest, flags) < 0) {
status = 1;
free(dest);
}
}
if (*++argv == last) {
break;
}
free((void *) dest);
} while (1);
return status;
exit(status);
}