Whitespace and curly bracket cleanup (our tabstop is 4 in busybox),

and switch more stuff from CONFIG to ENABLE.
This commit is contained in:
Rob Landley 2005-10-16 03:54:49 +00:00
parent 7547a6e2f6
commit 60fe7bfa41

View File

@ -21,20 +21,7 @@
* Copyright (C) 1995 Bruce Perens
* This is free software under the GNU General Public License.
*
* 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
*
* Licensed under GPL v2 (or later), see file LICENSE in this tarball.
*/
#include <fcntl.h>
@ -94,22 +81,22 @@ typedef struct TarHeader TarHeader;
typedef struct HardLinkInfo HardLinkInfo;
struct HardLinkInfo {
HardLinkInfo *next; /* Next entry in list */
dev_t dev; /* Device number */
ino_t ino; /* Inode number */
dev_t dev; /* Device number */
ino_t ino; /* Inode number */
short linkCount; /* (Hard) Link Count */
char name[1]; /* Start of filename (must be last) */
};
/* Some info to be carried along when creating a new tarball */
struct TarBallInfo {
char *fileName; /* File name of the tarball */
int tarFd; /* Open-for-write file descriptor
for the tarball */
char *fileName; /* File name of the tarball */
int tarFd; /* Open-for-write file descriptor
for the tarball */
struct stat statBuf; /* Stat info for the tarball, letting
us know the inode and device that the
tarball lives, so we can avoid trying
to include the tarball into itself */
int verboseFlag; /* Whether to print extra stuff or not */
int verboseFlag; /* Whether to print extra stuff or not */
const llist_t *excludeList; /* List of files to not include */
HardLinkInfo *hlInfoHead; /* Hard Link Tracking Information */
HardLinkInfo *hlInfo; /* Hard Link Info for the current file */
@ -213,9 +200,7 @@ static int putOctal(char *cp, int len, long value)
/* Write out a tar header for the specified file/directory/whatever */
static inline int writeTarHeader(struct TarBallInfo *tbInfo,
const char *header_name,
const char *real_name,
struct stat *statbuf)
const char *header_name, const char *real_name, struct stat *statbuf)
{
long chksum = 0;
struct TarHeader header;
@ -393,11 +378,10 @@ static int writeFileToTarball(const char *fileName, struct stat *statbuf,
if (header_name[0] == '\0')
return TRUE;
# ifdef CONFIG_FEATURE_TAR_FROM
if (exclude_file(tbInfo->excludeList, header_name)) {
if (ENABLE_FEATURE_TAR_FROM &&
exclude_file(tbInfo->excludeList, header_name)) {
return SKIP;
}
# endif /* CONFIG_FEATURE_TAR_FROM */
if (writeTarHeader(tbInfo, header_name, fileName, statbuf) == FALSE) {
return (FALSE);
@ -419,9 +403,9 @@ static int writeFileToTarball(const char *fileName, struct stat *statbuf,
readSize = bb_copyfd_eof(inputFileFd, tbInfo->tarFd);
/* Pad the file up to the tar block size */
for (; (readSize % TAR_BLOCK_SIZE) != 0; readSize++) {
for (; (readSize % TAR_BLOCK_SIZE) != 0; readSize++)
write(tbInfo->tarFd, "\0", 1);
}
close(inputFileFd);
}
@ -456,9 +440,8 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag,
char *zip_exec = (gzip == 1) ? "gzip" : "bzip2";
if (pipe(gzipDataPipe) < 0 || pipe(gzipStatusPipe) < 0) {
bb_perror_msg_and_die("Failed to create pipe");
}
if (pipe(gzipDataPipe) < 0 || pipe(gzipStatusPipe) < 0)
bb_perror_msg_and_die("create pipe");
signal(SIGPIPE, SIG_IGN); /* we only want EPIPE on errors */
@ -504,26 +487,23 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag,
close(gzipStatusPipe[0]);
tbInfo.tarFd = gzipDataPipe[1];
} else {
bb_perror_msg_and_die("Failed to vfork gzip process");
}
} else bb_perror_msg_and_die("vfork gzip");
}
tbInfo.excludeList = exclude;
/* Read the directory/files and iterate over them one at a time */
while (include) {
if (!recursive_action(include->data, TRUE, dereferenceFlag, FALSE,
writeFileToTarball, writeFileToTarball,
(void *) &tbInfo)) {
if (!recursive_action(include->data, TRUE, dereferenceFlag,
FALSE, writeFileToTarball, writeFileToTarball, &tbInfo))
{
errorFlag = TRUE;
}
include = include->link;
}
/* Write two empty blocks to the end of the archive */
for (size = 0; size < (2 * TAR_BLOCK_SIZE); size++) {
for (size = 0; size < (2 * TAR_BLOCK_SIZE); size++)
write(tbInfo.tarFd, "\0", 1);
}
/* To be pedantically correct, we would check if the tarball
* is smaller than 20 tar blocks, and pad it if it was smaller,
@ -531,19 +511,23 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag,
* so is considered a waste of space */
/* Hang up the tools, close up shop, head home */
close(tbInfo.tarFd);
if (ENABLE_FEATURE_CLEAN_UP) {
close(tbInfo.tarFd);
freeHardLinkInfo(&tbInfo.hlInfoHead);
}
if (errorFlag)
bb_error_msg("Error exit delayed from previous errors");
freeHardLinkInfo(&tbInfo.hlInfoHead);
if (gzipPid) {
if (waitpid(gzipPid, NULL, 0) == -1)
printf("Couldnt wait ?");
}
if (gzipPid && waitpid(gzipPid, NULL, 0)==-1)
bb_error_msg("Couldnt wait");
return !errorFlag;
}
#else
int writeTarFile(const int tar_fd, const int verboseFlag,
const unsigned long dereferenceFlag, const llist_t *include,
const llist_t *exclude, const int gzip);
#endif /* tar_create */
#ifdef CONFIG_FEATURE_TAR_FROM
@ -555,18 +539,19 @@ static llist_t *append_file_list_to_list(llist_t *list)
char *line;
llist_t *newlist = NULL;
while(cur) {
while (cur) {
src_stream = bb_xfopen(cur->data, "r");
tmp = cur;
cur = cur->link;
free(tmp);
while((line = bb_get_chomped_line_from_file(src_stream)) != NULL) {
newlist = llist_add_to(newlist, line);
}
fclose(src_stream);
while ((line = bb_get_chomped_line_from_file(src_stream)) != NULL)
newlist = llist_add_to(newlist, line);
fclose(src_stream);
}
return newlist;
}
#else
#define append_file_list_to_list(x) 0
#endif
#ifdef CONFIG_FEATURE_TAR_COMPRESS
@ -576,7 +561,9 @@ static char get_header_tar_Z(archive_handle_t *archive_handle)
archive_handle->seek = seek_by_char;
/* do the decompression, and cleanup */
if ((bb_xread_char(archive_handle->src_fd) != 0x1f) || (bb_xread_char(archive_handle->src_fd) != 0x9d)) {
if (bb_xread_char(archive_handle->src_fd) != 0x1f ||
bb_xread_char(archive_handle->src_fd) != 0x9d)
{
bb_error_msg_and_die("Invalid magic");
}
@ -587,58 +574,59 @@ static char get_header_tar_Z(archive_handle_t *archive_handle)
/* Can only do one file at a time */
return(EXIT_FAILURE);
}
#else
#define get_header_tar_Z 0
#endif
#define CTX_TEST (1 << 0)
#define CTX_EXTRACT (1 << 1)
#define TAR_OPT_BASEDIR (1 << 2)
#define TAR_OPT_TARNAME (1 << 3)
#define TAR_OPT_2STDOUT (1 << 4)
#define TAR_OPT_P (1 << 5)
#define TAR_OPT_VERBOSE (1 << 6)
#define TAR_OPT_KEEP_OLD (1 << 7)
#define CTX_TEST (1 << 0)
#define CTX_EXTRACT (1 << 1)
#define TAR_OPT_BASEDIR (1 << 2)
#define TAR_OPT_TARNAME (1 << 3)
#define TAR_OPT_2STDOUT (1 << 4)
#define TAR_OPT_P (1 << 5)
#define TAR_OPT_VERBOSE (1 << 6)
#define TAR_OPT_KEEP_OLD (1 << 7)
# define CTX_CREATE (1 << 8)
# define TAR_OPT_DEREFERNCE (1 << 9)
#ifdef CONFIG_FEATURE_TAR_CREATE
# define CTX_CREATE (1 << 8)
# define TAR_OPT_DEREFERNCE (1 << 9)
# define TAR_OPT_STR_CREATE "ch"
# define TAR_OPT_STR_CREATE "ch"
# define TAR_OPT_FLAG_CREATE 2
#else
# define CTX_CREATE 0
# define TAR_OPT_STR_CREATE ""
# define TAR_OPT_STR_CREATE ""
# define TAR_OPT_FLAG_CREATE 0
#endif
# define TAR_OPT_BZIP2 (1 << (8 + TAR_OPT_FLAG_CREATE))
#ifdef CONFIG_FEATURE_TAR_BZIP2
# define TAR_OPT_BZIP2 (1 << (8 + TAR_OPT_FLAG_CREATE))
# define TAR_OPT_STR_BZIP2 "j"
# define TAR_OPT_FLAG_BZIP2 1
# define TAR_OPT_STR_BZIP2 "j"
# define TAR_OPT_FLAG_BZIP2 1
#else
# define TAR_OPT_STR_BZIP2 ""
# define TAR_OPT_FLAG_BZIP2 0
# define TAR_OPT_STR_BZIP2 ""
# define TAR_OPT_FLAG_BZIP2 0
#endif
#ifdef CONFIG_FEATURE_TAR_FROM
# define TAR_OPT_INCLUDE_FROM (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2))
# define TAR_OPT_EXCLUDE_FROM (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + 1))
# define TAR_OPT_STR_FROM "T:X:"
# define TAR_OPT_FLAG_FROM 2
#ifdef CONFIG_FEATURE_TAR_FROM
# define TAR_OPT_STR_FROM "T:X:"
# define TAR_OPT_FLAG_FROM 2
#else
# define TAR_OPT_STR_FROM ""
# define TAR_OPT_FLAG_FROM 0
# define TAR_OPT_STR_FROM ""
# define TAR_OPT_FLAG_FROM 0
#endif
# define TAR_OPT_GZIP (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + TAR_OPT_FLAG_FROM))
#ifdef CONFIG_FEATURE_TAR_GZIP
# define TAR_OPT_GZIP (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + TAR_OPT_FLAG_FROM))
# define TAR_OPT_STR_GZIP "z"
# define TAR_OPT_FLAG_GZIP 1
# define TAR_OPT_STR_GZIP "z"
# define TAR_OPT_FLAG_GZIP 1
#else
# define TAR_OPT_STR_GZIP ""
# define TAR_OPT_FLAG_GZIP 0
# define TAR_OPT_STR_GZIP ""
# define TAR_OPT_FLAG_GZIP 0
#endif
# define TAR_OPT_UNCOMPRESS (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + TAR_OPT_FLAG_FROM + TAR_OPT_FLAG_GZIP))
#ifdef CONFIG_FEATURE_TAR_COMPRESS
# define TAR_OPT_UNCOMPRESS (1 << (8 + TAR_OPT_FLAG_CREATE + TAR_OPT_FLAG_BZIP2 + TAR_OPT_FLAG_FROM + TAR_OPT_FLAG_GZIP))
# define TAR_OPT_STR_COMPRESS "Z"
#else
# define TAR_OPT_STR_COMPRESS ""
@ -653,34 +641,36 @@ static const char tar_options[]="txC:f:Opvk" \
#ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS
static const struct option tar_long_options[] = {
{ "list", 0, NULL, 't' },
{ "extract", 0, NULL, 'x' },
{ "directory", 1, NULL, 'C' },
{ "file", 1, NULL, 'f' },
{ "to-stdout", 0, NULL, 'O' },
{ "list", 0, NULL, 't' },
{ "extract", 0, NULL, 'x' },
{ "directory", 1, NULL, 'C' },
{ "file", 1, NULL, 'f' },
{ "to-stdout", 0, NULL, 'O' },
{ "same-permissions", 0, NULL, 'p' },
{ "verbose", 0, NULL, 'v' },
{ "keep-old", 0, NULL, 'k' },
{ "verbose", 0, NULL, 'v' },
{ "keep-old", 0, NULL, 'k' },
# ifdef CONFIG_FEATURE_TAR_CREATE
{ "create", 0, NULL, 'c' },
{ "dereference", 0, NULL, 'h' },
{ "create", 0, NULL, 'c' },
{ "dereference", 0, NULL, 'h' },
# endif
# ifdef CONFIG_FEATURE_TAR_BZIP2
{ "bzip2", 0, NULL, 'j' },
{ "bzip2", 0, NULL, 'j' },
# endif
# ifdef CONFIG_FEATURE_TAR_FROM
{ "files-from", 1, NULL, 'T' },
{ "exclude-from", 1, NULL, 'X' },
{ "exclude", 1, NULL, '\n' },
{ "files-from", 1, NULL, 'T' },
{ "exclude-from", 1, NULL, 'X' },
{ "exclude", 1, NULL, '\n' },
# endif
# ifdef CONFIG_FEATURE_TAR_GZIP
{ "gzip", 0, NULL, 'z' },
{ "gzip", 0, NULL, 'z' },
# endif
# ifdef CONFIG_FEATURE_TAR_COMPRESS
{ "compress", 0, NULL, 'Z' },
{ "compress", 0, NULL, 'Z' },
# endif
{ 0, 0, 0, 0 }
};
#else
#define tar_long_options 0
#endif
int tar_main(int argc, char **argv)
@ -690,24 +680,18 @@ int tar_main(int argc, char **argv)
char *base_dir = NULL;
const char *tar_filename = "-";
unsigned long opt;
#if defined(CONFIG_FEATURE_TAR_FROM)
llist_t *excludes = NULL;
#endif
/* Initialise default values */
tar_handle = init_handle();
tar_handle->flags = ARCHIVE_CREATE_LEADING_DIRS | ARCHIVE_PRESERVE_DATE | ARCHIVE_EXTRACT_UNCONDITIONAL;
/* Prepend '-' to the first argument if required */
#ifdef CONFIG_FEATURE_TAR_CREATE
bb_opt_complementally = "--:-1:X::T::\n::c:t:x:?:c--tx:t--cx:x--ct";
#else
bb_opt_complementally = "--:-1:X::T::\n::t:x:?:t--x:x--t";
#endif
#ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS
bb_applet_long_options = tar_long_options;
#endif
bb_opt_complementally = ENABLE_FEATURE_TAR_CREATE ?
"--:-1:X::T::\n::c:t:x:?:c--tx:t--cx:x--ct" :
"--:-1:X::T::\n::t:x:?:t--x:x--t";
if (ENABLE_FEATURE_TAR_LONG_OPTIONS)
bb_applet_long_options = tar_long_options;
opt = bb_getopt_ulflags(argc, argv, tar_options,
&base_dir, /* Change to dir <optarg> */
&tar_filename /* archive filename */
@ -717,62 +701,52 @@ int tar_main(int argc, char **argv)
&excludes
#endif
);
if(opt & CTX_TEST) {
if (opt & CTX_TEST) {
if ((tar_handle->action_header == header_list) ||
(tar_handle->action_header == header_verbose_list)) {
tar_handle->action_header = header_verbose_list;
} else {
tar_handle->action_header = header_list;
}
(tar_handle->action_header == header_verbose_list))
{
tar_handle->action_header = header_verbose_list;
} else tar_handle->action_header = header_list;
}
if(opt & CTX_EXTRACT) {
if (tar_handle->action_data != data_extract_to_stdout)
tar_handle->action_data = data_extract_all;
}
if(opt & TAR_OPT_2STDOUT) {
/* To stdout */
if((opt & CTX_EXTRACT) && tar_handle->action_data != data_extract_to_stdout)
tar_handle->action_data = data_extract_all;
if (opt & TAR_OPT_2STDOUT)
tar_handle->action_data = data_extract_to_stdout;
}
if(opt & TAR_OPT_VERBOSE) {
if (opt & TAR_OPT_VERBOSE) {
if ((tar_handle->action_header == header_list) ||
(tar_handle->action_header == header_verbose_list))
{
tar_handle->action_header = header_verbose_list;
} else {
} else
tar_handle->action_header = header_list;
}
}
if (opt & TAR_OPT_KEEP_OLD) {
if (opt & TAR_OPT_KEEP_OLD)
tar_handle->flags &= ~ARCHIVE_EXTRACT_UNCONDITIONAL;
}
#ifdef CONFIG_FEATURE_TAR_GZIP
if(opt & TAR_OPT_GZIP) {
if (ENABLE_FEATURE_TAR_GZIP && (opt & TAR_OPT_GZIP))
get_header_ptr = get_header_tar_gz;
}
#endif
#ifdef CONFIG_FEATURE_TAR_BZIP2
if(opt & TAR_OPT_BZIP2) {
if (ENABLE_FEATURE_TAR_BZIP2 && (opt & TAR_OPT_BZIP2))
get_header_ptr = get_header_tar_bz2;
}
#endif
#ifdef CONFIG_FEATURE_TAR_COMPRESS
if(opt & TAR_OPT_UNCOMPRESS) {
if (ENABLE_FEATURE_TAR_COMPRESS && (opt & TAR_OPT_UNCOMPRESS))
get_header_ptr = get_header_tar_Z;
if (ENABLE_FEATURE_TAR_FROM) {
tar_handle->reject = append_file_list_to_list(tar_handle->reject);
/* Append excludes to reject */
while (excludes) {
llist_t *temp = excludes->link;
excludes->link = tar_handle->reject;
tar_handle->reject = excludes;
excludes = temp;
}
tar_handle->accept = append_file_list_to_list(tar_handle->accept);
}
#endif
#ifdef CONFIG_FEATURE_TAR_FROM
tar_handle->reject = append_file_list_to_list(tar_handle->reject);
/* Append excludes to reject */
while(excludes) {
llist_t *temp = excludes->link;
excludes->link = tar_handle->reject;
tar_handle->reject = excludes;
excludes = temp;
}
tar_handle->accept = append_file_list_to_list(tar_handle->accept);
#endif
/* Check if we are reading from stdin */
if (argv[optind] && *argv[optind] == '-') {
@ -784,34 +758,30 @@ int tar_main(int argc, char **argv)
/* TODO: This is the same as in ar, separate function ? */
while (optind < argc) {
char *filename_ptr = last_char_is(argv[optind], '/');
if (filename_ptr > argv[optind]) {
if (filename_ptr > argv[optind])
*filename_ptr = '\0';
}
tar_handle->accept = llist_add_to(tar_handle->accept, argv[optind]);
optind++;
}
if ((tar_handle->accept) || (tar_handle->reject)) {
if ((tar_handle->accept) || (tar_handle->reject))
tar_handle->filter = filter_accept_reject_list;
}
/* Open the tar file */
{
FILE *tar_stream;
int flags;
#ifdef CONFIG_FEATURE_TAR_CREATE
if (opt & CTX_CREATE) {
if (ENABLE_FEATURE_TAR_CREATE && (opt & CTX_CREATE)) {
/* Make sure there is at least one file to tar up. */
if (tar_handle->accept == NULL) {
bb_error_msg_and_die("Cowardly refusing to create an empty archive");
}
if (tar_handle->accept == NULL)
bb_error_msg_and_die("empty archive");
tar_stream = stdout;
flags = O_WRONLY | O_CREAT | O_EXCL;
unlink(tar_filename);
} else
#endif
{
} else {
tar_stream = stdin;
flags = O_RDONLY;
}
@ -824,54 +794,42 @@ int tar_main(int argc, char **argv)
}
}
if ((base_dir) && (chdir(base_dir))) {
if ((base_dir) && (chdir(base_dir)))
bb_perror_msg_and_die("Couldnt chdir to %s", base_dir);
}
#ifdef CONFIG_FEATURE_TAR_CREATE
/* create an archive */
if (opt & CTX_CREATE) {
if (ENABLE_FEATURE_TAR_CREATE && (opt & CTX_CREATE)) {
int verboseFlag = FALSE;
int zipMode = 0;
# ifdef CONFIG_FEATURE_TAR_GZIP
if (get_header_ptr == get_header_tar_gz) {
zipMode = 1;
}
# endif /* CONFIG_FEATURE_TAR_GZIP */
# ifdef CONFIG_FEATURE_TAR_BZIP2
if (get_header_ptr == get_header_tar_bz2) {
zipMode = 2;
}
# endif /* CONFIG_FEATURE_TAR_BZIP2 */
if (ENABLE_FEATURE_TAR_GZIP && get_header_ptr == get_header_tar_gz)
zipMode = 1;
if (ENABLE_FEATURE_TAR_BZIP2 && get_header_ptr == get_header_tar_bz2)
zipMode = 2;
if ((tar_handle->action_header == header_list) ||
(tar_handle->action_header == header_verbose_list)) {
(tar_handle->action_header == header_verbose_list))
{
verboseFlag = TRUE;
}
writeTarFile(tar_handle->src_fd, verboseFlag, opt & TAR_OPT_DEREFERNCE, tar_handle->accept,
tar_handle->reject, zipMode);
} else
#endif /* CONFIG_FEATURE_TAR_CREATE */
{
} else {
while (get_header_ptr(tar_handle) == EXIT_SUCCESS);
/* Ckeck that every file that should have been extracted was */
/* Check that every file that should have been extracted was */
while (tar_handle->accept) {
if (find_list_entry(tar_handle->reject, tar_handle->accept->data) == NULL) {
if (find_list_entry(tar_handle->passed, tar_handle->accept->data) == NULL) {
bb_error_msg_and_die("%s: Not found in archive", tar_handle->accept->data);
}
if (!find_list_entry(tar_handle->reject, tar_handle->accept->data)
&& !find_list_entry(tar_handle->passed, tar_handle->accept->data))
{
bb_error_msg_and_die("%s: Not found in archive", tar_handle->accept->data);
}
tar_handle->accept = tar_handle->accept->link;
}
}
#ifdef CONFIG_FEATURE_CLEAN_UP
if (tar_handle->src_fd != STDIN_FILENO) {
if (ENABLE_FEATURE_CLEAN_UP && tar_handle->src_fd != STDIN_FILENO)
close(tar_handle->src_fd);
}
#endif /* CONFIG_FEATURE_CLEAN_UP */
return(EXIT_SUCCESS);
}