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Fixes to remove "dereferencing type-punned pointer will break strict-aliasing rules" warnings in C wrappers when compiling C code with 'gcc -Wall -fstrict-aliasing'. Patch from Michael Cahill.

Browse source 
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7192 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2005-05-13 23:14:35 +00:00
commit 94e6c86d06
6 changed files with 33 additions and 24 deletions
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9
Source/Modules/java.cxx
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@ -1122,6 +1122,7 @@ class JAVA : public Language {
// Add extra indentation
Replaceall(enum_code, "\n", "\n ");
Replaceall(enum_code, " \n", "\n");
Printv(proxy_class_constants_code, " ", enum_code, "\n\n", NIL);
} else {
@ -1623,7 +1624,7 @@ class JAVA : public Language {
" jlong baseptr = 0;\n"
" (void)jenv;\n"
" (void)jcls;\n"
" *($cbaseclass **)&baseptr = *($cclass **)&jarg1;\n"
" *($cbaseclass **)(void *)&baseptr = *($cclass **)(void *)&jarg1;\n"
" return baseptr;\n"
"}\n",
"\n",
@ -1723,7 +1724,7 @@ class JAVA : public Language {
jnipackage, jni_imclass_name, jni_class_name);
Printf(dcast_wrap->code, " Swig::Director *director = (Swig::Director *) 0;\n");
Printf(dcast_wrap->code, " jobject jresult = (jobject) 0;\n");
Printf(dcast_wrap->code, " %s *obj = *((%s **) &jCPtrBase);\n", norm_name, norm_name);
Printf(dcast_wrap->code, " %s *obj = *((%s **)(void *)&jCPtrBase);\n", norm_name, norm_name);
Printf(dcast_wrap->code, " if (obj) director = dynamic_cast<Swig::Director *>(obj);\n");
Printf(dcast_wrap->code, " if (director) jresult = director->swig_get_self(jenv);\n");
Printf(dcast_wrap->code, " return jresult;\n");
@ -2760,7 +2761,7 @@ class JAVA : public Language {
"JNIEXPORT void JNICALL Java_%s%s_%s(JNIEnv *jenv, jclass jcls, jobject jself, jlong objarg, jboolean jswig_mem_own, "
"jboolean jweak_global) {\n",
jnipackage, jni_imclass_name, swig_director_connect_jni);
Printf(code_wrap->code, " %s *obj = *((%s **) &objarg);\n", norm_name, norm_name);
Printf(code_wrap->code, " %s *obj = *((%s **)(void *)&objarg);\n", norm_name, norm_name);
Printf(code_wrap->code, " (void)jcls;\n");
Printf(code_wrap->code, " SwigDirector_%s *director = dynamic_cast<SwigDirector_%s *>(obj);\n",
sym_name, sym_name);
@ -2787,7 +2788,7 @@ class JAVA : public Language {
Printf(code_wrap->def,
"JNIEXPORT void JNICALL Java_%s%s_%s(JNIEnv *jenv, jclass jcls, jobject jself, jlong objarg, jboolean jtake_or_release) {\n",
jnipackage, jni_imclass_name, changeown_jnimethod_name);
Printf(code_wrap->code, " %s *obj = *((%s **) &objarg);\n", norm_name, norm_name);
Printf(code_wrap->code, " %s *obj = *((%s **)(void *)&objarg);\n", norm_name, norm_name);
Printf(code_wrap->code, " SwigDirector_%s *director = dynamic_cast<SwigDirector_%s *>(obj);\n",
sym_name, sym_name);
Printf(code_wrap->code, " (void)jcls;\n");