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authorMatt Kraai2001-12-20 22:09:31 +0000
committerMatt Kraai2001-12-20 22:09:31 +0000
commit2b1effdbbccf8f16ae3fed93d3178759a44d33d9 (patch)
tree53e02a8ad30b981e748925c8943ed3f52451e0c6 /archival
parentc5b5cab37d37a6dafa3c1e6b97401aca6e071b03 (diff)
downloadbusybox-2b1effdbbccf8f16ae3fed93d3178759a44d33d9.zip
busybox-2b1effdbbccf8f16ae3fed93d3178759a44d33d9.tar.gz
Write files when extracting an archive from standard input.
Diffstat (limited to 'archival')
-rw-r--r--archival/tar.c24
1 files changed, 8 insertions, 16 deletions
diff --git a/archival/tar.c b/archival/tar.c
index 9792f6b..8720144 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -459,7 +459,7 @@ static int writeTarFile(const char* tarName, int verboseFlag, char **argv,
error_msg_and_die("Cowardly refusing to create an empty archive");
/* Open the tar file for writing. */
- if (tarName == NULL || !strcmp(tarName, "-"))
+ if (tarName == NULL)
tbInfo.tarFd = fileno(stdout);
else
tbInfo.tarFd = open (tarName, O_WRONLY | O_CREAT | O_TRUNC, 0644);
@@ -573,14 +573,12 @@ char **list_and_not_list(char **include_list, char **exclude_list)
int tar_main(int argc, char **argv)
{
enum untar_funct_e {
- /* These are optional */
- untar_from_file = 1,
- untar_from_stdin = 2,
- untar_unzip = 4,
+ /* This is optional */
+ untar_unzip = 1,
/* Require one and only one of these */
- untar_list = 8,
- untar_create = 16,
- untar_extract = 32
+ untar_list = 2,
+ untar_create = 4,
+ untar_extract = 8
};
FILE *src_stream = NULL;
@@ -649,10 +647,8 @@ int tar_main(int argc, char **argv)
break;
case 'f': // archive filename
if (strcmp(optarg, "-") == 0) {
- // Untar from stdin to stdout
- untar_funct |= untar_from_stdin;
+ src_filename = NULL;
} else {
- untar_funct |= untar_from_file;
src_filename = xstrdup(optarg);
}
break;
@@ -694,17 +690,13 @@ int tar_main(int argc, char **argv)
optind++;
}
- if (src_filename == NULL) {
- extract_function |= extract_to_stdout;
- }
-
if (extract_function & (extract_list | extract_all_to_fs)) {
if (dst_prefix == NULL) {
dst_prefix = xstrdup("./");
}
/* Setup the source of the tar data */
- if (untar_funct & untar_from_file) {
+ if (src_filename != NULL) {
src_stream = xfopen(src_filename, "r");
} else {
src_stream = stdin;