diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | error.c | 5 |
2 files changed, 11 insertions, 2 deletions
@@ -1,3 +1,11 @@ +Thu Aug 4 20:19:11 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * error.c (report_bug): use a small message buffer instead of BUFSIZ. + It is needed for avoiding nested SIGSEGV on Linux. + Note: BUFSIZ is not proper buffer size. It's unrelated with maximum + filename length. :-/ + [Bug #5139] [ruby-dev:44315] + Thu Aug 4 16:08:45 2011 Nobuyoshi Nakada <nobu@ruby-lang.org> * tool/rbinstall.rb (gem): install all gemspecs under lib and ext. @@ -251,9 +251,10 @@ rb_warn_m(int argc, VALUE *argv, VALUE exc) static void report_bug(const char *file, int line, const char *fmt, va_list args) { - char buf[BUFSIZ]; + /* SIGSEGV handler might have a very small stack. Thus we need to use it carefully. */ + char buf[256]; FILE *out = stderr; - int len = err_position_0(buf, BUFSIZ, file, line); + int len = err_position_0(buf, 256, file, line); if ((ssize_t)fwrite(buf, 1, len, out) == (ssize_t)len || (ssize_t)fwrite(buf, 1, len, (out = stdout)) == (ssize_t)len) { |