Call user main from wrapper. May not be a great idea.

CMakeLists.txt

@@ -36,9 +36,11 @@ target_compile_definitions(akerror
 add_executable(test_err_catch tests/err_catch.c)
 add_executable(test_err_cleanup tests/err_cleanup.c)
 add_executable(test_err_trace tests/err_trace.c)
+add_executable(test_err_unhandled tests/err_unhandled.c)
 add_test(NAME err_catch COMMAND test_err_catch)
 add_test(NAME err_cleanup COMMAND test_err_cleanup)
 add_test(NAME err_trace COMMAND test_err_trace)
+add_test(NAME err_unhandled COMMAND test_err_unhandled)
 
 # Specify include directories for the library's headers (if applicable)
 target_include_directories(akerror PUBLIC
@@ -48,6 +50,7 @@ target_include_directories(akerror PUBLIC
 target_link_libraries(test_err_catch PRIVATE akerror)
 target_link_libraries(test_err_cleanup PRIVATE akerror)
 target_link_libraries(test_err_trace PRIVATE akerror)
+target_link_libraries(test_err_unhandled PRIVATE akerror)
 
 set(main_lib_dest "lib/my_library-${MY_LIBRARY_VERSION}")
 install(TARGETS akerror EXPORT akerror DESTINATION "lib/")

include/akerror.tmpl.h

@@ -55,6 +55,7 @@ typedef struct
     bool reported;
     char stacktracebuf[AKERR_MAX_ERROR_STACKTRACE_BUF_LENGTH];
     char *stacktracebufptr;
+    int stacktracebufremaining;
 } akerr_ErrorContext;
 
 #define AKERR_NOIGNORE __attribute__((warn_unused_result))
@@ -67,6 +68,7 @@ extern akerr_ErrorUnhandledErrorHandler akerr_handler_unhandled_error;
 extern akerr_ErrorLogFunction akerr_log_method;
 extern akerr_ErrorContext *__akerr_last_ignored;
 
+akerr_ErrorContext AKERR_NOIGNORE *akerr_user_main(int argc, char **argv);
 akerr_ErrorContext AKERR_NOIGNORE *akerr_release_error(akerr_ErrorContext *ptr);
 akerr_ErrorContext AKERR_NOIGNORE *akerr_next_error();
 char *akerr_name_for_status(int status, char *name);

src/error.c

@@ -14,6 +14,28 @@ char __AKERR_ERROR_NAMES[AKERR_MAX_ERR_VALUE+1][AKERR_MAX_ERROR_NAME_LENGTH];
 
 akerr_ErrorContext AKERR_ARRAY_ERROR[AKERR_MAX_ARRAY_ERROR];
 
+int main(int argc, char **argv)
+{
+    int i = 0;
+    PREPARE_ERROR(e);
+    ATTEMPT {
+	CATCH(e, akerr_user_main(argc, argv));
+	if ( e == NULL || e->status == 0 ) {
+	    /* User code claims everything went fine, doublecheck the error array before we quit */
+	    for ( i = AKERR_MAX_ARRAY_ERROR - 1; i >= 0; i-- ) {
+		if ( AKERR_ARRAY_ERROR[i].status != 0 && AKERR_ARRAY_ERROR[i].refcount != 0 ) {
+		    akerr_log_method("%s:%s:%d: Found unhandled and unreported error in the array at index %d\n", __FILE__, (char *)__func__, __LINE__, i);
+		    e = &AKERR_ARRAY_ERROR[i];
+		}
+	    }
+	}
+    } CLEANUP {
+    } PROCESS(e) {
+    } FINISH_NORETURN(e);
+    SUCCEED(e);
+    return 0;
+}
+
 void akerr_default_logger(const char *fmt, ...)
 {
 #if defined(AKERR_USE_STDLIB) && AKERR_USE_STDLIB == 1

tests/err_catch.c

@@ -23,7 +23,7 @@ akerr_ErrorContext *func1(void)
 }
 
 
-int main(void)
+akerr_ErrorContext *akerr_user_main(int argc, char **argv)
 {
     PREPARE_ERROR(errctx);
     ATTEMPT {
@@ -32,5 +32,6 @@ int main(void)
     } PROCESS(errctx) {
     } HANDLE(errctx, AKERR_NULLPOINTER) {
       akerr_log_method("Caught exception");
-    } FINISH_NORETURN(errctx);
+    } FINISH(errctx, true);
+    SUCCEED(errctx);
 }

tests/err_cleanup.c

@@ -25,7 +25,7 @@ akerr_ErrorContext *func1(void)
     SUCCEED_RETURN(errctx);
 }
 
-int main(void)
+akerr_ErrorContext *akerr_user_main(int argc, char **argv)
 {
     x = 12345;
     PREPARE_ERROR(errctx);
@@ -35,9 +35,8 @@ int main(void)
     } PROCESS(errctx) {
     } HANDLE(errctx, AKERR_NULLPOINTER) {
 	if ( x == 0 ) {
-	    fprintf(stderr, "Cleanup works\n");
+	    FAIL_RETURN(errctx, AKERR_API, "Cleanup does not work");	    
-	    return 0;
 	}
-	return 1;
+    } FINISH(errctx, true);
-    } FINISH_NORETURN(errctx);
+    SUCCEED(errctx);
 }

tests/err_trace.c

@@ -23,12 +23,13 @@ akerr_ErrorContext *func1(void)
 }
 
 
-int main(void)
+akerr_ErrorContext *akerr_user_main(int argc, char **argv)
 {
     PREPARE_ERROR(errctx);
     ATTEMPT {
 	CATCH(errctx, func1());
     } CLEANUP {
     } PROCESS(errctx) {
-    } FINISH_NORETURN(errctx);
+    } FINISH(errctx, true);
+    SUCCEED(errctx);
 }