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| author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-11 04:03:14 +0000 |
|---|---|---|
| committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2009-03-11 04:03:14 +0000 |
| commit | ea6b7f3bdf7698ad639ae92c5a41bd9d59705c06 (patch) | |
| tree | 42b25b0ddabfa86c21b63bd5959acc9939fded20 /ext | |
| parent | c7efe853c063f98bdc75c556f00c97cdc7cdc6de (diff) | |
| download | ruby-ea6b7f3bdf7698ad639ae92c5a41bd9d59705c06.tar.gz ruby-ea6b7f3bdf7698ad639ae92c5a41bd9d59705c06.tar.xz ruby-ea6b7f3bdf7698ad639ae92c5a41bd9d59705c06.zip | |
* ext/dl/handle.c (rb_dlhandle_sym): fixed heap corruption.
[ruby-core:22822]
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@22883 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/dl/handle.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/ext/dl/handle.c b/ext/dl/handle.c index 474e97da3..a65e4ab5c 100644 --- a/ext/dl/handle.c +++ b/ext/dl/handle.c @@ -166,6 +166,7 @@ rb_dlhandle_sym(VALUE self, VALUE sym) func = dlsym(handle, name); CHECK_DLERROR; +#if defined(FUNC_STDCALL) if( !func ){ int len = strlen(name); char *name_n; @@ -173,14 +174,12 @@ rb_dlhandle_sym(VALUE self, VALUE sym) { char *name_a = (char*)xmalloc(len+2); strcpy(name_a, name); + name_n = name_a; name_a[len] = 'A'; name_a[len+1] = '\0'; func = dlsym(handle, name_a); CHECK_DLERROR; - if( func ){ - xfree(name_a); - goto found; - } + if( func ) goto found; name_n = xrealloc(name_a, len+6); } #else @@ -194,7 +193,6 @@ rb_dlhandle_sym(VALUE self, VALUE sym) CHECK_DLERROR; if( func ) break; } - xfree(name_n); if( func ) goto found; name_n[len-1] = 'A'; name_n[len++] = '@'; @@ -204,11 +202,13 @@ rb_dlhandle_sym(VALUE self, VALUE sym) CHECK_DLERROR; if( func ) break; } - if( !func ){ - rb_raise(rb_eDLError, "unknown symbol \"%s\"", name); - } + found: + xfree(name_n); + } +#endif + if( !func ){ + rb_raise(rb_eDLError, "unknown symbol \"%s\"", name); } - found: return PTR2NUM(func); } |