Mercurial > gnulib
changeset 17723:9edabe80a556
regex: fix memory leak in compiler
Fix by Andreas Schwab in:
https://sourceware.org/ml/libc-alpha/2014-06/msg00503.html
* lib/regcomp.c (parse_reg_exp): Deallocate partially
constructed tree before returning error.
| author | Paul Eggert <eggert@cs.ucla.edu> |
|---|---|
| date | Fri, 11 Jul 2014 12:19:34 -0700 |
| parents | 20a6211f5d73 |
| children | 8526f2f0b117 |
| files | ChangeLog lib/regcomp.c |
| diffstat | 2 files changed, 13 insertions(+), 1 deletions(-) [+] |
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--- a/ChangeLog Wed Jul 09 19:18:40 2014 -0400 +++ b/ChangeLog Fri Jul 11 12:19:34 2014 -0700 @@ -1,3 +1,11 @@ +2014-07-11 Paul Eggert <eggert@cs.ucla.edu> + + regex: fix memory leak in compiler + Fix by Andreas Schwab in: + https://sourceware.org/ml/libc-alpha/2014-06/msg00503.html + * lib/regcomp.c (parse_reg_exp): Deallocate partially + constructed tree before returning error. + 2014-07-10 Assaf Gordon <assafgordon@gmail.com> announce-gen: avoid perl warnings
--- a/lib/regcomp.c Wed Jul 09 19:18:40 2014 -0400 +++ b/lib/regcomp.c Fri Jul 11 12:19:34 2014 -0700 @@ -2199,7 +2199,11 @@ { branch = parse_branch (regexp, preg, token, syntax, nest, err); if (BE (*err != REG_NOERROR && branch == NULL, 0)) - return NULL; + { + if (tree != NULL) + postorder (tree, free_tree, NULL); + return NULL; + } } else branch = NULL;