| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| /* Basic test of setjmp() functionality */ |
| |
| #include <setjmp.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #define INT_VALUE1 0x12345678 |
| #define INT_VALUE2 0xfedcba98 |
| |
| #define FLOAT_VALUE1 (1.2345678) |
| #define FLOAT_VALUE2 (9.8765432) |
| |
| int dummy_int; |
| double dummy_double; |
| |
| /* test that integer registers are restored properly */ |
| static void |
| test_int(void) |
| { |
| jmp_buf jumper; |
| register int xx = INT_VALUE1; |
| |
| if (setjmp(jumper) == 0) { |
| xx = INT_VALUE2; |
| longjmp(jumper, 1); |
| } else { |
| if (xx != INT_VALUE1) { |
| fprintf(stderr, "setjmp() is broken for integer registers !\n"); |
| exit(1); |
| } |
| } |
| dummy_int = xx; |
| } |
| |
| static void |
| test_float(void) |
| { |
| jmp_buf jumper; |
| register double xx = FLOAT_VALUE1; |
| |
| if (setjmp(jumper) == 0) { |
| xx = FLOAT_VALUE2; |
| longjmp(jumper, 1); |
| } else { |
| if (xx != FLOAT_VALUE1) { |
| fprintf(stderr, "setjmp() is broken for floating point registers !\n"); |
| exit(1); |
| } |
| } |
| dummy_double = xx; |
| } |
| |
| int main(void) |
| { |
| test_int(); |
| test_float(); |
| return 0; |
| } |