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author | Glenn L McGrath <bug1@ihug.co.nz> | 2003-11-20 09:06:10 +0000 |
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committer | Glenn L McGrath <bug1@ihug.co.nz> | 2003-11-20 09:06:10 +0000 |
commit | ba49651de96fb8891b4627f85b068cb91232f1c8 (patch) | |
tree | 95ddcef5f2fc0c4e6ade827c9031a827a06ef46f | |
parent | 90c9df93f3fa9fb9c6b576c92c19bbe36bdc6e52 (diff) | |
download | busybox-w32-ba49651de96fb8891b4627f85b068cb91232f1c8.tar.gz busybox-w32-ba49651de96fb8891b4627f85b068cb91232f1c8.tar.bz2 busybox-w32-ba49651de96fb8891b4627f85b068cb91232f1c8.zip |
Check there are files to add the archive before removing a specified
tar file.
-rw-r--r-- | archival/tar.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/archival/tar.c b/archival/tar.c index 4e763a404..9ef616b92 100644 --- a/archival/tar.c +++ b/archival/tar.c | |||
@@ -462,11 +462,6 @@ static inline int writeTarFile(const int tar_fd, const int verboseFlag, | |||
462 | 462 | ||
463 | tbInfo.hlInfoHead = NULL; | 463 | tbInfo.hlInfoHead = NULL; |
464 | 464 | ||
465 | /* Make sure there is at least one file to tar up. */ | ||
466 | if (include == NULL) { | ||
467 | bb_error_msg_and_die("Cowardly refusing to create an empty archive"); | ||
468 | } | ||
469 | |||
470 | fchmod(tar_fd, 0644); | 465 | fchmod(tar_fd, 0644); |
471 | tbInfo.tarFd = tar_fd; | 466 | tbInfo.tarFd = tar_fd; |
472 | tbInfo.verboseFlag = verboseFlag; | 467 | tbInfo.verboseFlag = verboseFlag; |
@@ -748,6 +743,10 @@ int tar_main(int argc, char **argv) | |||
748 | 743 | ||
749 | #ifdef CONFIG_FEATURE_TAR_CREATE | 744 | #ifdef CONFIG_FEATURE_TAR_CREATE |
750 | if (ctx_flag == CTX_CREATE) { | 745 | if (ctx_flag == CTX_CREATE) { |
746 | /* Make sure there is at least one file to tar up. */ | ||
747 | if (tar_handle->accept == NULL) { | ||
748 | bb_error_msg_and_die("Cowardly refusing to create an empty archive"); | ||
749 | } | ||
751 | tar_stream = stdout; | 750 | tar_stream = stdout; |
752 | flags = O_WRONLY | O_CREAT | O_EXCL; | 751 | flags = O_WRONLY | O_CREAT | O_EXCL; |
753 | unlink(tar_filename); | 752 | unlink(tar_filename); |