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fix tar t segfault (closes 1183)

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This commit is contained in:
Denis Vlasenko 2007-02-04 21:30:35 +00:00
parent d909d23451
commit 8c0164c373
1 changed files with 25 additions and 18 deletions
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43
archival/tar.c
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@ -761,7 +761,9 @@ int tar_main(int argc, char **argv)
const char *tar_filename = "-";
unsigned opt;
int verboseFlag = 0;
#if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM
llist_t *excludes = NULL;
#endif
/* Initialise default values */
tar_handle = init_handle();
@ -774,7 +776,9 @@ int tar_main(int argc, char **argv)
"tt:vv:" // count -t,-v
"?:" // bail out with usage instead of error return
"X::T::" // cumulative lists
#if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM
"\xff::" // cumulative lists for --exclude
#endif
USE_FEATURE_TAR_CREATE("c:") "t:x:" // at least one of these is reqd
USE_FEATURE_TAR_CREATE("c--tx:t--cx:x--ct") // mutually exclusive
SKIP_FEATURE_TAR_CREATE("t--x:x--t"); // mutually exclusive
@ -789,14 +793,15 @@ int tar_main(int argc, char **argv)
USE_FEATURE_TAR_FROM( "T:X:")
USE_FEATURE_TAR_GZIP( "z" )
USE_FEATURE_TAR_COMPRESS("Z" )
,
&base_dir, // -C dir
&tar_filename, // -f filename
USE_FEATURE_TAR_FROM(&(tar_handle->accept),) // T
USE_FEATURE_TAR_FROM(&(tar_handle->reject),) // X
USE_FEATURE_TAR_FROM(&excludes ,) // --exclude
&verboseFlag, // combined count for -t and -v
&verboseFlag // combined count for -t and -v
, &base_dir // -C dir
, &tar_filename // -f filename
USE_FEATURE_TAR_FROM(, &(tar_handle->accept)) // T
USE_FEATURE_TAR_FROM(, &(tar_handle->reject)) // X
#if ENABLE_FEATURE_TAR_LONG_OPTIONS && ENABLE_FEATURE_TAR_FROM
, &excludes // --exclude
#endif
, &verboseFlag // combined count for -t and -v
, &verboseFlag // combined count for -t and -v
);
if (verboseFlag) tar_handle->action_header = header_verbose_list;
@ -829,17 +834,19 @@ int tar_main(int argc, char **argv)
if (opt & OPT_COMPRESS)
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);
#if ENABLE_FEATURE_TAR_FROM
tar_handle->reject = append_file_list_to_list(tar_handle->reject);
#if ENABLE_FEATURE_TAR_LONG_OPTIONS
/* Append excludes to reject */
while (excludes) {
llist_t *next = excludes->link;
excludes->link = tar_handle->reject;
tar_handle->reject = excludes;
excludes = next;
}
#endif
tar_handle->accept = append_file_list_to_list(tar_handle->accept);
#endif
/* Check if we are reading from stdin */
if (argv[optind] && *argv[optind] == '-') {