mirror of
https://github.com/golang/go
synced 2024-11-18 16:14:46 -07:00
685204747d
Fixes a SWIG bug reported off-list. LGTM=iant R=iant CC=golang-codereviews https://golang.org/cl/155990043
71 lines
1.2 KiB
C
71 lines
1.2 KiB
C
// Copyright 2013 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// +build gccgo
|
|
|
|
#include "_cgo_export.h"
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
/* Test calling panic from C. This is what SWIG does. */
|
|
|
|
extern void _cgo_panic(const char *);
|
|
extern void *_cgo_allocate(size_t);
|
|
|
|
void
|
|
callPanic(void)
|
|
{
|
|
_cgo_panic("panic from C");
|
|
}
|
|
|
|
/* Test calling cgo_allocate from C. This is what SWIG does. */
|
|
|
|
typedef struct List List;
|
|
struct List
|
|
{
|
|
List *next;
|
|
int x;
|
|
};
|
|
|
|
void
|
|
callCgoAllocate(void)
|
|
{
|
|
int i;
|
|
List *l, *head, **tail;
|
|
|
|
// Make sure this doesn't crash.
|
|
// And make sure it returns non-nil.
|
|
if(_cgo_allocate(0) == 0) {
|
|
fprintf(stderr, "callCgoAllocate: alloc 0 returned nil\n");
|
|
exit(2);
|
|
}
|
|
|
|
head = 0;
|
|
tail = &head;
|
|
for(i=0; i<100; i++) {
|
|
l = _cgo_allocate(sizeof *l);
|
|
l->x = i;
|
|
l->next = 0;
|
|
*tail = l;
|
|
tail = &l->next;
|
|
}
|
|
|
|
gc();
|
|
|
|
l = head;
|
|
for(i=0; i<100; i++) {
|
|
if(l->x != i) {
|
|
fprintf(stderr, "callCgoAllocate: lost memory\n");
|
|
exit(2);
|
|
}
|
|
l = l->next;
|
|
}
|
|
if(l != 0) {
|
|
fprintf(stderr, "callCgoAllocate: lost memory\n");
|
|
exit(2);
|
|
}
|
|
}
|
|
|