Author: sebor
Date: Tue Aug 14 15:48:02 2007
New Revision: 565959
URL: http://svn.apache.org/viewvc?view=rev&rev=565959
Log:
2007-08-14 Martin Sebor <[EMAIL PROTECTED]>
* EXTERN_C_EXCEPTIONS.cpp: New config test to determine whether
it's possible to throw exceptions from functions with C language
linkage.
Added:
incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp (with props)
Added: incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp
URL:
http://svn.apache.org/viewvc/incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp?view=auto&rev=565959
==============================================================================
--- incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp (added)
+++ incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp Tue Aug 14
15:48:02 2007
@@ -0,0 +1,57 @@
+// checking for exceptions from extern "C" functions
+
+// test tries to determine whether it's possible to throw exceptions
+// from functions with C language linkage
+
+extern "C" {
+
+int extern_c_function (int x, int y, int (*fun)(int, int))
+{
+ if (fun)
+ return fun (x, y);
+
+ return 0;
+
+}
+
+int div_throw (int x, int y)
+{
+ if (0 == y)
+ throw y;
+
+ return x / y;
+}
+
+int div_nothrow (int x, int y)
+{
+ if (0 == y)
+ return 0;
+
+ return x / y;
+
+}
+
+typedef int cfun_t (int, int);
+
+
+} // extern "C"
+
+
+int main (int argc, char *argv[])
+{
+ const int x = argc < 2 ? 0 : int (*argv [1]);
+ const int y = argc < 3 ? 0 : int (*argv [2]);
+
+ cfun_t* pcfun = argc < 4 ? div_throw : div_nothrow;
+
+ int result;
+
+ try {
+ result = extern_c_function (x, y, pcfun);
+ }
+ catch (int res) {
+ result = res;
+ }
+
+ return result;
+}
Propchange: incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp
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Propchange: incubator/stdcxx/trunk/etc/config/src/EXTERN_C_EXCEPTIONS.cpp
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svn:keywords = Id
