forked from OSchip/llvm-project
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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// -*- mode:C; c-basic-offset:4; tab-width:4; intent-tabs-mode:nil; -*-
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// CONFIG
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#import <stdio.h>
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#import <stdlib.h>
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#import <string.h>
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typedef struct {
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int a;
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int b;
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} MiniStruct;
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int main (int argc, const char * argv[]) {
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MiniStruct inny;
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MiniStruct outty;
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MiniStruct (^copyStruct)(MiniStruct);
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memset(&inny, 0xA5, sizeof(inny));
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memset(&outty, 0x2A, sizeof(outty));
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inny.a = 12;
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inny.b = 42;
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copyStruct = ^(MiniStruct aTinyStruct){ return aTinyStruct; }; // pass-by-value intrinsically copies the argument
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outty = copyStruct(inny);
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if ( &inny == &outty ) {
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printf("%s: struct wasn't copied.", argv[0]);
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exit(1);
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}
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if ( (inny.a != outty.a) || (inny.b != outty.b) ) {
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printf("%s: struct contents did not match.", argv[0]);
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exit(1);
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}
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printf("%s: success\n", argv[0]);
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return 0;
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}
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