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+/* $Header: /pjproject-0.3/pjlib/src/pjlib-samples/except.c 2 10/14/05 12:26a Bennylp $ */
+/*
+ * $Log: /pjproject-0.3/pjlib/src/pjlib-samples/except.c $
+ *
+ * 2 10/14/05 12:26a Bennylp
+ * Finished error code framework, some fixes in ioqueue, etc. Pretty
+ * major.
+ *
+ * 1 10/10/05 3:16p Bennylp
+ * Created.
+ *
+ */
+#include <pj/except.h>
+#include <pj/rand.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/**
+ * \page page_pjlib_samples_except_c Example: Exception Handling
+ *
+ * Below is sample program to demonstrate how to use exception handling.
+ *
+ * \includelineno pjlib-samples/except.c
+ */
+
+static pj_exception_id_t NO_MEMORY, OTHER_EXCEPTION;
+
+static void randomly_throw_exception()
+{
+ if (pj_rand() % 2)
+ PJ_THROW(OTHER_EXCEPTION);
+}
+
+static void *my_malloc(size_t size)
+{
+ void *ptr = malloc(size);
+ if (!ptr)
+ PJ_THROW(NO_MEMORY);
+ return ptr;
+}
+
+static int test_exception()
+{
+ PJ_USE_EXCEPTION;
+
+ PJ_TRY {
+ void *data = my_malloc(200);
+ free(data);
+ randomly_throw_exception();
+ }
+ PJ_CATCH( NO_MEMORY ) {
+ puts("Can't allocate memory");
+ return 0;
+ }
+ PJ_DEFAULT {
+ pj_exception_id_t x_id;
+
+ x_id = PJ_GET_EXCEPTION();
+ printf("Caught exception %d (%s)\n",
+ x_id, pj_exception_id_name(x_id));
+ }
+ PJ_END
+ return 1;
+}
+
+int main()
+{
+ pj_status_t rc;
+
+ // Error handling is omited for clarity.
+
+ rc = pj_init();
+
+ rc = pj_exception_id_alloc("No Memory", &NO_MEMORY);
+ rc = pj_exception_id_alloc("Other Exception", &OTHER_EXCEPTION);
+
+ return test_exception();
+}
+