24 lines
485 B
C
24 lines
485 B
C
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// SPDX-License-Identifier: LGPL-3.0-only
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// SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
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#include <setjmp.h>
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#include <stdint.h>
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static jmp_buf target;
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static void JumpBack(int32_t value) {
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longjmp(target, value);
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}
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// setjmp's value may only be compared or switched on, never stored.
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int32_t JumpRoundTrip(void) {
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switch (setjmp(target)) {
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case 0:
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JumpBack(7);
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return 0;
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case 7:
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return 7;
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default:
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return -1;
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}
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}
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