Source file src/cmd/cgo/internal/testsanitizers/testdata/msan3.go

Documentation: cmd/cgo/internal/testsanitizers/testdata

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package main
     6  
     7  /*
     8  extern int *GoFn(int *);
     9  
    10  // Yes, you can have definitions if you use //export, as long as they are weak.
    11  int f(void) __attribute__ ((weak));
    12  
    13  int f() {
    14    int i;
    15    int *p = GoFn(&i);
    16    if (*p != 12345)
    17      return 0;
    18    return 1;
    19  }
    20  */
    21  import "C"
    22  
    23  //export GoFn
    24  func GoFn(p *C.int) *C.int {
    25  	*p = C.int(12345)
    26  	return p
    27  }
    28  
    29  func main() {
    30  	if r := C.f(); r != 1 {
    31  		panic(r)
    32  	}
    33  }
    34  

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