* hash.c (ruby_setenv): MSDN says that Windows XP or earlier limits

  the total size of environment block to 5,120 chars.  and on such
  OS, putenv() causes SEGV.  So, ruby should limit the size of an
  environment variable to 5,120 bytes for workaround.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31063 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/hash.c b/hash.c
index 909263357a..f86152ae70 100644
--- a/hash.c
+++ b/hash.c
@@ -2206,6 +2206,7 @@ ruby_setenv(const char *name, const char *value)
 	rb_sys_fail("ruby_setenv");
     }
     if (value) {
+	if (strlen(value) > 5120) goto fail;
 	buf = rb_sprintf("%s=%s", name, value);
     }
     else {