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prevents ConvertPtr to modified the result when fails

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7757 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Marcelo Matus 2005-10-31 09:41:43 +00:00
commit 536621e82b
1 changed files with 5 additions and 3 deletions
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8
Lib/ruby/rubyrun.swg
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@ -168,6 +168,7 @@ SWIG_Ruby_ConvertPtr(VALUE obj, void **ptr, swig_type_info *ty, int flags)
{ {
char *c; char *c;
swig_cast_info *tc; swig_cast_info *tc;
void *vptr = 0;
/* Grab the pointer */ /* Grab the pointer */
if (NIL_P(obj)) { if (NIL_P(obj)) {
@ -177,7 +178,7 @@ SWIG_Ruby_ConvertPtr(VALUE obj, void **ptr, swig_type_info *ty, int flags)
if (TYPE(obj) != T_DATA) { if (TYPE(obj) != T_DATA) {
return SWIG_ERROR; return SWIG_ERROR;
} }
Data_Get_Struct(obj, void, *ptr); Data_Get_Struct(obj, void, vptr);
} }
@ -203,9 +204,10 @@ SWIG_Ruby_ConvertPtr(VALUE obj, void **ptr, swig_type_info *ty, int flags)
if (ty) { if (ty) {
if (ty->clientdata) { if (ty->clientdata) {
if (rb_obj_is_kind_of(obj, ((swig_class *) (ty->clientdata))->klass)) { if (rb_obj_is_kind_of(obj, ((swig_class *) (ty->clientdata))->klass)) {
if (*ptr == 0) { if (vptr == 0) {
return SWIG_ERROR; return SWIG_ERROR;
} }
*ptr = vptr;
return SWIG_OK; return SWIG_OK;
} }
} }
@ -216,7 +218,7 @@ SWIG_Ruby_ConvertPtr(VALUE obj, void **ptr, swig_type_info *ty, int flags)
if (!tc) { if (!tc) {
return SWIG_ERROR; return SWIG_ERROR;
} }
*ptr = SWIG_TypeCast(tc, *ptr); *ptr = SWIG_TypeCast(tc, vptr);
} }
return SWIG_OK; return SWIG_OK;
} }