[k-takata/Onigmo] Fix that onig_new() may crash

When onig_reg_init() returns an error, onig_free_body() which is called
via onig_new() may crash because some members are not properly
initialized.  Fix it.

https://github.com/k-takata/Onigmo/commit/d2a090a57e

1 files changed, 6 insertions, 4 deletions

diff --git a/regcomp.c b/regcomp.c
index 71e57c8e39..9dfdb21e85 100644
--- a/regcomp.c
+++ b/regcomp.c
@@ -5919,6 +5919,12 @@ onig_reg_init(regex_t* reg, OnigOptionType option,
   if (IS_NULL(reg))
     return ONIGERR_INVALID_ARGUMENT;
 
+  (reg)->exact            = (UChar* )NULL;
+  (reg)->chain            = (regex_t* )NULL;
+  (reg)->p                = (UChar* )NULL;
+  (reg)->name_table       = (void* )NULL;
+  (reg)->repeat_range     = (OnigRepeatRange* )NULL;
+
   if (ONIGENC_IS_UNDEF(enc))
     return ONIGERR_DEFAULT_ENCODING_IS_NOT_SET;
 
@@ -5938,13 +5944,9 @@ onig_reg_init(regex_t* reg, OnigOptionType option,
   (reg)->options          = option;
   (reg)->syntax           = syntax;
   (reg)->optimize         = 0;
-  (reg)->exact            = (UChar* )NULL;
-  (reg)->chain            = (regex_t* )NULL;
 
-  (reg)->p                = (UChar* )NULL;
   (reg)->alloc            = 0;
   (reg)->used             = 0;
-  (reg)->name_table       = (void* )NULL;
 
   (reg)->case_fold_flag   = case_fold_flag;