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hash.c: fix dangling pointer

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* hash.c (env_name): also store a coerced string to get rid of a
  dangling pointer.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46556 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-06-25 22:43:23 +00:00
parent 0e198d37bb
commit 7eeaf208b4
1 changed files with 5 additions and 3 deletions
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8
hash.c
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@ -2547,14 +2547,16 @@ env_str_new2(const char *ptr)
rb_raise(rb_eArgError, "bad environment variable " #var) : (void)0) rb_raise(rb_eArgError, "bad environment variable " #var) : (void)0)
static inline const char * static inline const char *
env_name(VALUE s) env_name(volatile VALUE *s)
{ {
const char *name; const char *name;
SafeStringValue(s); SafeStringValue(*s);
get_env_ptr(name, s); get_env_ptr(name, *s);
return name; return name;
} }
#define env_name(s) env_name(&(s))
static VALUE static VALUE
env_delete(VALUE obj, VALUE name) env_delete(VALUE obj, VALUE name)
{ {