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-rw-r--r--misc/cgo/test/test.go2303
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diff --git a/misc/cgo/test/test.go b/misc/cgo/test/test.go
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--- a/misc/cgo/test/test.go
+++ /dev/null
@@ -1,2303 +0,0 @@
-// Copyright 2010 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.
-
-// Test cases for cgo.
-// Both the import "C" prologue and the main file are sorted by issue number.
-// This file contains C definitions (not just declarations)
-// and so it must NOT contain any //export directives on Go functions.
-// See testx.go for exports.
-
-package cgotest
-
-/*
-#include <complex.h>
-#include <math.h>
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <errno.h>
-#cgo LDFLAGS: -lm
-
-#ifndef WIN32
-#include <pthread.h>
-#include <signal.h>
-#endif
-
-// alignment tests
-
-typedef unsigned char Uint8;
-typedef unsigned short Uint16;
-
-typedef enum {
- MOD1 = 0x0000,
- MODX = 0x8000
-} SDLMod;
-
-typedef enum {
- A1 = 1,
- B1 = 322,
- SDLK_LAST
-} SDLKey;
-
-typedef struct SDL_keysym {
- Uint8 scancode;
- SDLKey sym;
- SDLMod mod;
- Uint16 unicode;
-} SDL_keysym;
-
-typedef struct SDL_KeyboardEvent {
- Uint8 typ;
- Uint8 which;
- Uint8 state;
- SDL_keysym keysym;
-} SDL_KeyboardEvent;
-
-void makeEvent(SDL_KeyboardEvent *event) {
- unsigned char *p;
- int i;
-
- p = (unsigned char*)event;
- for (i=0; i<sizeof *event; i++) {
- p[i] = i;
- }
-}
-
-int same(SDL_KeyboardEvent* e, Uint8 typ, Uint8 which, Uint8 state, Uint8 scan, SDLKey sym, SDLMod mod, Uint16 uni) {
- return e->typ == typ && e->which == which && e->state == state && e->keysym.scancode == scan && e->keysym.sym == sym && e->keysym.mod == mod && e->keysym.unicode == uni;
-}
-
-void cTest(SDL_KeyboardEvent *event) {
- printf("C: %#x %#x %#x %#x %#x %#x %#x\n", event->typ, event->which, event->state,
- event->keysym.scancode, event->keysym.sym, event->keysym.mod, event->keysym.unicode);
- fflush(stdout);
-}
-
-// api
-
-const char *greeting = "hello, world";
-
-// basic test cases
-
-#define SHIFT(x, y) ((x)<<(y))
-#define KILO SHIFT(1, 10)
-#define UINT32VAL 0xc008427bU
-
-enum E {
- Enum1 = 1,
- Enum2 = 2,
-};
-
-typedef unsigned char cgo_uuid_t[20];
-
-void uuid_generate(cgo_uuid_t x) {
- x[0] = 0;
-}
-
-struct S {
- int x;
-};
-
-const char *cstr = "abcefghijklmnopqrstuvwxyzABCEFGHIJKLMNOPQRSTUVWXYZ1234567890";
-
-extern enum E myConstFunc(struct S* const ctx, int const id, struct S **const filter);
-
-enum E myConstFunc(struct S *const ctx, int const id, struct S **const filter) { return 0; }
-
-int add(int x, int y) {
- return x+y;
-};
-
-// Following mimicks vulkan complex definitions for benchmarking cgocheck overhead.
-
-typedef uint32_t VkFlags;
-typedef VkFlags VkDeviceQueueCreateFlags;
-typedef uint32_t VkStructureType;
-
-typedef struct VkDeviceQueueCreateInfo {
- VkStructureType sType;
- const void* pNext;
- VkDeviceQueueCreateFlags flags;
- uint32_t queueFamilyIndex;
- uint32_t queueCount;
- const float* pQueuePriorities;
-} VkDeviceQueueCreateInfo;
-
-typedef struct VkPhysicalDeviceFeatures {
- uint32_t bools[56];
-} VkPhysicalDeviceFeatures;
-
-typedef struct VkDeviceCreateInfo {
- VkStructureType sType;
- const void* pNext;
- VkFlags flags;
- uint32_t queueCreateInfoCount;
- const VkDeviceQueueCreateInfo* pQueueCreateInfos;
- uint32_t enabledLayerCount;
- const char* const* ppEnabledLayerNames;
- uint32_t enabledExtensionCount;
- const char* const* ppEnabledExtensionNames;
- const VkPhysicalDeviceFeatures* pEnabledFeatures;
-} VkDeviceCreateInfo;
-
-void handleComplexPointer(VkDeviceCreateInfo *a0) {}
-void handleComplexPointer8(
- VkDeviceCreateInfo *a0, VkDeviceCreateInfo *a1, VkDeviceCreateInfo *a2, VkDeviceCreateInfo *a3,
- VkDeviceCreateInfo *a4, VkDeviceCreateInfo *a5, VkDeviceCreateInfo *a6, VkDeviceCreateInfo *a7
-) {}
-
-// complex alignment
-
-struct {
- float x;
- _Complex float y;
-} cplxAlign = { 3.14, 2.17 };
-
-// constants and pointer checking
-
-#define CheckConstVal 0
-
-typedef struct {
- int *p;
-} CheckConstStruct;
-
-static void CheckConstFunc(CheckConstStruct *p, int e) {}
-
-// duplicate symbol
-
-int base_symbol = 0;
-#define alias_one base_symbol
-#define alias_two base_symbol
-
-// function pointer variables
-
-typedef int (*intFunc) ();
-
-int
-bridge_int_func(intFunc f)
-{
- return f();
-}
-
-int fortytwo()
-{
- return 42;
-}
-
-// issue 1222
-typedef union {
- long align;
-} xxpthread_mutex_t;
-struct ibv_async_event {
- union {
- int x;
- } element;
-};
-struct ibv_context {
- xxpthread_mutex_t mutex;
-};
-
-// issue 1635
-// Mac OS X's gcc will generate scattered relocation 2/1 for
-// this function on Darwin/386, and 8l couldn't handle it.
-// this example is in issue 1635
-void scatter() {
- void *p = scatter;
- printf("scatter = %p\n", p);
-}
-
-// Adding this explicit extern declaration makes this a test for
-// https://gcc.gnu.org/PR68072 aka https://golang.org/issue/13344 .
-// It used to cause a cgo error when building with GCC 6.
-extern int hola;
-
-// this example is in issue 3253
-int hola = 0;
-int testHola() { return hola; }
-
-// issue 3250
-#ifdef WIN32
-void testSendSIG() {}
-#else
-static void *thread(void *p) {
- const int M = 100;
- int i;
- (void)p;
- for (i = 0; i < M; i++) {
- pthread_kill(pthread_self(), SIGCHLD);
- usleep(rand() % 20 + 5);
- }
- return NULL;
-}
-void testSendSIG() {
- const int N = 20;
- int i;
- pthread_t tid[N];
- for (i = 0; i < N; i++) {
- usleep(rand() % 200 + 100);
- pthread_create(&tid[i], 0, thread, NULL);
- }
- for (i = 0; i < N; i++)
- pthread_join(tid[i], 0);
-}
-#endif
-
-// issue 3261
-// libgcc on ARM might be compiled as thumb code, but our 5l
-// can't handle that, so we have to disable this test on arm.
-#ifdef __ARMEL__
-int vabs(int x) {
- puts("testLibgcc is disabled on ARM because 5l cannot handle thumb library.");
- return (x < 0) ? -x : x;
-}
-#elif defined(__arm64__) && defined(__clang__)
-int vabs(int x) {
- puts("testLibgcc is disabled on ARM64 with clang due to lack of libgcc.");
- return (x < 0) ? -x : x;
-}
-#else
-int __absvsi2(int); // dummy prototype for libgcc function
-// we shouldn't name the function abs, as gcc might use
-// the builtin one.
-int vabs(int x) { return __absvsi2(x); }
-#endif
-
-
-// issue 3729
-// access errno from void C function
-const char _expA = 0x42;
-const float _expB = 3.14159;
-const short _expC = 0x55aa;
-const int _expD = 0xdeadbeef;
-
-#ifdef WIN32
-void g(void) {}
-void g2(int x, char a, float b, short c, int d) {}
-#else
-
-void g(void) {
- errno = E2BIG;
-}
-
-// try to pass some non-trivial arguments to function g2
-void g2(int x, char a, float b, short c, int d) {
- if (a == _expA && b == _expB && c == _expC && d == _expD)
- errno = x;
- else
- errno = -1;
-}
-#endif
-
-// issue 3945
-// Test that cgo reserves enough stack space during cgo call.
-// See https://golang.org/issue/3945 for details.
-void say() {
- printf("%s from C\n", "hello");
-}
-
-// issue 4054 part 1 - other half in testx.go
-
-typedef enum {
- A = 0,
- B,
- C,
- D,
- E,
- F,
- G,
- H,
- II,
- J,
-} issue4054a;
-
-// issue 4339
-// We've historically permitted #include <>, so test it here. Issue 29333.
-// Also see issue 41059.
-#include <issue4339.h>
-
-// issue 4417
-// cmd/cgo: bool alignment/padding issue.
-// bool alignment is wrong and causing wrong arguments when calling functions.
-static int c_bool(bool a, bool b, int c, bool d, bool e) {
- return c;
-}
-
-// issue 4857
-#cgo CFLAGS: -Werror
-const struct { int a; } *issue4857() { return (void *)0; }
-
-// issue 5224
-// Test that the #cgo CFLAGS directive works,
-// with and without platform filters.
-#cgo CFLAGS: -DCOMMON_VALUE=123
-#cgo windows CFLAGS: -DIS_WINDOWS=1
-#cgo !windows CFLAGS: -DIS_WINDOWS=0
-int common = COMMON_VALUE;
-int is_windows = IS_WINDOWS;
-
-// issue 5227
-// linker incorrectly treats common symbols and
-// leaves them undefined.
-
-typedef struct {
- int Count;
-} Fontinfo;
-
-Fontinfo SansTypeface;
-
-extern void init();
-
-Fontinfo loadfont() {
- Fontinfo f = {0};
- return f;
-}
-
-void init() {
- SansTypeface = loadfont();
-}
-
-// issue 5242
-// Cgo incorrectly computed the alignment of structs
-// with no Go accessible fields as 0, and then panicked on
-// modulo-by-zero computations.
-
-// issue 50987
-// disable arm64 GCC warnings
-#cgo CFLAGS: -Wno-psabi -Wno-unknown-warning-option
-
-typedef struct {
-} foo;
-
-typedef struct {
- int x : 1;
-} bar;
-
-int issue5242(foo f, bar b) {
- return 5242;
-}
-
-// issue 5337
-// Verify that we can withstand SIGPROF received on foreign threads
-
-#ifdef WIN32
-void test5337() {}
-#else
-static void *thread1(void *p) {
- (void)p;
- pthread_kill(pthread_self(), SIGPROF);
- return NULL;
-}
-void test5337() {
- pthread_t tid;
- pthread_create(&tid, 0, thread1, NULL);
- pthread_join(tid, 0);
-}
-#endif
-
-// issue 5603
-
-const long long issue5603exp = 0x12345678;
-long long issue5603foo0() { return issue5603exp; }
-long long issue5603foo1(void *p) { return issue5603exp; }
-long long issue5603foo2(void *p, void *q) { return issue5603exp; }
-long long issue5603foo3(void *p, void *q, void *r) { return issue5603exp; }
-long long issue5603foo4(void *p, void *q, void *r, void *s) { return issue5603exp; }
-
-// issue 5740
-
-int test5740a(void), test5740b(void);
-
-// issue 5986
-static void output5986()
-{
- int current_row = 0, row_count = 0;
- double sum_squares = 0;
- double d;
- do {
- if (current_row == 10) {
- current_row = 0;
- }
- ++row_count;
- }
- while (current_row++ != 1);
- d = sqrt(sum_squares / row_count);
- printf("sqrt is: %g\n", d);
-}
-
-// issue 6128
-// Test handling of #defined names in clang.
-// NOTE: Must use hex, or else a shortcut for decimals
-// in cgo avoids trying to pass this to clang.
-#define X 0x1
-
-// issue 6472
-typedef struct
-{
- struct
- {
- int x;
- } y[16];
-} z;
-
-// issue 6612
-// Test new scheme for deciding whether C.name is an expression, type, constant.
-// Clang silences some warnings when the name is a #defined macro, so test those too
-// (even though we now use errors exclusively, not warnings).
-
-void myfunc(void) {}
-int myvar = 5;
-const char *mytext = "abcdef";
-typedef int mytype;
-enum {
- myenum = 1234,
-};
-
-#define myfunc_def myfunc
-#define myvar_def myvar
-#define mytext_def mytext
-#define mytype_def mytype
-#define myenum_def myenum
-#define myint_def 12345
-#define myfloat_def 1.5
-#define mystring_def "hello"
-
-// issue 6907
-char* Issue6907CopyString(_GoString_ s) {
- size_t n;
- const char *p;
- char *r;
-
- n = _GoStringLen(s);
- p = _GoStringPtr(s);
- r = malloc(n + 1);
- memmove(r, p, n);
- r[n] = '\0';
- return r;
-}
-
-// issue 7560
-typedef struct {
- char x;
- long y;
-} __attribute__((__packed__)) misaligned;
-
-int
-offset7560(void)
-{
- return (uintptr_t)&((misaligned*)0)->y;
-}
-
-// issue 7786
-// No runtime test, just make sure that typedef and struct/union/class are interchangeable at compile time.
-
-struct test7786;
-typedef struct test7786 typedef_test7786;
-void f7786(struct test7786 *ctx) {}
-void g7786(typedef_test7786 *ctx) {}
-
-typedef struct body7786 typedef_body7786;
-struct body7786 { int x; };
-void b7786(struct body7786 *ctx) {}
-void c7786(typedef_body7786 *ctx) {}
-
-typedef union union7786 typedef_union7786;
-void u7786(union union7786 *ctx) {}
-void v7786(typedef_union7786 *ctx) {}
-
-// issue 8092
-// Test that linker defined symbols (e.g., text, data) don't
-// conflict with C symbols.
-char text[] = "text";
-char data[] = "data";
-char *ctext(void) { return text; }
-char *cdata(void) { return data; }
-
-// issue 8428
-// Cgo inconsistently translated zero size arrays.
-
-struct issue8428one {
- char b;
- char rest[];
-};
-
-struct issue8428two {
- void *p;
- char b;
- char rest[0];
- char pad;
-};
-
-struct issue8428three {
- char w[1][2][3][0];
- char x[2][3][0][1];
- char y[3][0][1][2];
- char z[0][1][2][3];
-};
-
-// issue 8331 part 1 - part 2 in testx.go
-// A typedef of an unnamed struct is the same struct when
-// #include'd twice. No runtime test; just make sure it compiles.
-#include "issue8331.h"
-
-// issue 8368 and 8441
-// Recursive struct definitions didn't work.
-// No runtime test; just make sure it compiles.
-typedef struct one one;
-typedef struct two two;
-struct one {
- two *x;
-};
-struct two {
- one *x;
-};
-
-// issue 8811
-
-extern int issue8811Initialized;
-extern void issue8811Init();
-
-void issue8811Execute() {
- if(!issue8811Initialized)
- issue8811Init();
-}
-
-// issue 8945
-
-typedef void (*PFunc8945)();
-PFunc8945 func8945;
-
-// issue 9557
-
-struct issue9557_t {
- int a;
-} test9557bar = { 42 };
-struct issue9557_t *issue9557foo = &test9557bar;
-
-// issue 10303
-// Pointers passed to C were not marked as escaping (bug in cgo).
-
-typedef int *intptr;
-
-void setintstar(int *x) {
- *x = 1;
-}
-
-void setintptr(intptr x) {
- *x = 1;
-}
-
-void setvoidptr(void *x) {
- *(int*)x = 1;
-}
-
-typedef struct Struct Struct;
-struct Struct {
- int *P;
-};
-
-void setstruct(Struct s) {
- *s.P = 1;
-}
-
-// issue 11925
-// Structs with zero-length trailing fields are now padded by the Go compiler.
-
-struct a11925 {
- int i;
- char a[0];
- char b[0];
-};
-
-struct b11925 {
- int i;
- char a[0];
- char b[];
-};
-
-// issue 12030
-void issue12030conv(char *buf, double x) {
- sprintf(buf, "d=%g", x);
-}
-
-// issue 14838
-
-int check_cbytes(char *b, size_t l) {
- int i;
- for (i = 0; i < l; i++) {
- if (b[i] != i) {
- return 0;
- }
- }
- return 1;
-}
-
-// issue 17065
-// Test that C symbols larger than a page play nicely with the race detector.
-int ii[65537];
-
-// issue 17537
-// The void* cast introduced by cgo to avoid problems
-// with const/volatile qualifiers breaks C preprocessor macros that
-// emulate functions.
-
-typedef struct {
- int i;
-} S17537;
-
-int I17537(S17537 *p);
-
-#define I17537(p) ((p)->i)
-
-// Calling this function used to fail without the cast.
-const int F17537(const char **p) {
- return **p;
-}
-
-// issue 17723
-// API compatibility checks
-
-typedef char *cstring_pointer;
-static void cstring_pointer_fun(cstring_pointer dummy) { }
-const char *api_hello = "hello!";
-
-// Calling this function used to trigger an error from the C compiler
-// (issue 18298).
-void F18298(const void *const *p) {
-}
-
-// Test that conversions between typedefs work as they used to.
-typedef const void *T18298_1;
-struct S18298 { int i; };
-typedef const struct S18298 *T18298_2;
-void G18298(T18298_1 t) {
-}
-
-// issue 18126
-// cgo check of void function returning errno.
-void Issue18126C(void **p) {}
-
-// issue 18720
-
-#define HELLO "hello"
-#define WORLD "world"
-#define HELLO_WORLD HELLO "\000" WORLD
-
-struct foo { char c; };
-#define SIZE_OF(x) sizeof(x)
-#define SIZE_OF_FOO SIZE_OF(struct foo)
-#define VAR1 VAR
-#define VAR var
-int var = 5;
-
-#define ADDR &var
-
-#define CALL fn()
-int fn(void) {
- return ++var;
-}
-
-// issue 20129
-
-int issue20129 = 0;
-typedef void issue20129Void;
-issue20129Void issue20129Foo() {
- issue20129 = 1;
-}
-typedef issue20129Void issue20129Void2;
-issue20129Void2 issue20129Bar() {
- issue20129 = 2;
-}
-
-// issue 20369
-#define XUINT64_MAX 18446744073709551615ULL
-
-// issue 21668
-// Fail to guess the kind of the constant "x".
-// No runtime test; just make sure it compiles.
-const int x21668 = 42;
-
-// issue 21708
-#define CAST_TO_INT64 (int64_t)(-1)
-
-// issue 21809
-// Compile C `typedef` to go type aliases.
-
-typedef long MySigned_t;
-// tests alias-to-alias
-typedef MySigned_t MySigned2_t;
-long takes_long(long x) { return x * x; }
-MySigned_t takes_typedef(MySigned_t x) { return x * x; }
-
-// issue 22906
-
-// It's going to be hard to include a whole real JVM to test this.
-// So we'll simulate a really easy JVM using just the parts we need.
-// This is the relevant part of jni.h.
-
-struct _jobject;
-
-typedef struct _jobject *jobject;
-typedef jobject jclass;
-typedef jobject jthrowable;
-typedef jobject jstring;
-typedef jobject jarray;
-typedef jarray jbooleanArray;
-typedef jarray jbyteArray;
-typedef jarray jcharArray;
-typedef jarray jshortArray;
-typedef jarray jintArray;
-typedef jarray jlongArray;
-typedef jarray jfloatArray;
-typedef jarray jdoubleArray;
-typedef jarray jobjectArray;
-
-typedef jobject jweak;
-
-// Note: jvalue is already a non-pointer type due to it being a C union.
-
-// issue 22958
-
-typedef struct {
- unsigned long long f8 : 8;
- unsigned long long f16 : 16;
- unsigned long long f24 : 24;
- unsigned long long f32 : 32;
- unsigned long long f40 : 40;
- unsigned long long f48 : 48;
- unsigned long long f56 : 56;
- unsigned long long f64 : 64;
-} issue22958Type;
-
-// issue 23356
-int a(void) { return 5; };
-int r(void) { return 3; };
-
-// issue 23720
-typedef int *issue23720A;
-typedef const int *issue23720B;
-void issue23720F(issue23720B a) {}
-
-// issue 24206
-#if defined(__linux__) && defined(__x86_64__)
-#include <sys/mman.h>
-// Returns string with null byte at the last valid address
-char* dangerousString1() {
- int pageSize = 4096;
- char *data = mmap(0, 2 * pageSize, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, 0, 0);
- mprotect(data + pageSize,pageSize,PROT_NONE);
- int start = pageSize - 123 - 1; // last 123 bytes of first page + 1 null byte
- int i = start;
- for (; i < pageSize; i++) {
- data[i] = 'x';
- }
- data[pageSize -1 ] = 0;
- return data+start;
-}
-
-char* dangerousString2() {
- int pageSize = 4096;
- char *data = mmap(0, 3 * pageSize, PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE, 0, 0);
- mprotect(data + 2 * pageSize,pageSize,PROT_NONE);
- int start = pageSize - 123 - 1; // last 123 bytes of first page + 1 null byte
- int i = start;
- for (; i < 2 * pageSize; i++) {
- data[i] = 'x';
- }
- data[2*pageSize -1 ] = 0;
- return data+start;
-}
-#else
-char *dangerousString1() { return NULL; }
-char *dangerousString2() { return NULL; }
-#endif
-
-// issue 26066
-const unsigned long long int issue26066 = (const unsigned long long) -1;
-
-// issue 26517
-// Introduce two pointer types which are distinct, but have the same
-// base type. Make sure that both of those pointer types get resolved
-// correctly. Before the fix for 26517 if one of these pointer types
-// was resolved before the other one was processed, the second one
-// would never be resolved.
-// Before this issue was fixed this test failed on Windows,
-// where va_list expands to a named char* type.
-typedef va_list TypeOne;
-typedef char *TypeTwo;
-
-// issue 28540
-
-static void twoargs1(void *p, int n) {}
-static void *twoargs2() { return 0; }
-static int twoargs3(void * p) { return 0; }
-
-// issue 28545
-// Failed to add type conversion for negative constant.
-
-static void issue28545F(char **p, int n, complex double a) {}
-
-// issue 28772 part 1 - part 2 in testx.go
-// Failed to add type conversion for Go constant set to C constant.
-// No runtime test; just make sure it compiles.
-
-#define issue28772Constant 1
-
-// issue 28896
-// cgo was incorrectly adding padding after a packed struct.
-typedef struct {
- void *f1;
- uint32_t f2;
-} __attribute__((__packed__)) innerPacked;
-
-typedef struct {
- innerPacked g1;
- uint64_t g2;
-} outerPacked;
-
-typedef struct {
- void *f1;
- uint32_t f2;
-} innerUnpacked;
-
-typedef struct {
- innerUnpacked g1;
- uint64_t g2;
-} outerUnpacked;
-
-size_t offset(int x) {
- switch (x) {
- case 0:
- return offsetof(innerPacked, f2);
- case 1:
- return offsetof(outerPacked, g2);
- case 2:
- return offsetof(innerUnpacked, f2);
- case 3:
- return offsetof(outerUnpacked, g2);
- default:
- abort();
- }
-}
-
-// issue 29748
-
-typedef struct { char **p; } S29748;
-static int f29748(S29748 *p) { return 0; }
-
-// issue 29781
-// Error with newline inserted into constant expression.
-// Compilation test only, nothing to run.
-
-static void issue29781F(char **p, int n) {}
-#define ISSUE29781C 0
-
-// issue 31093
-static uint16_t issue31093F(uint16_t v) { return v; }
-
-// issue 32579
-typedef struct S32579 { unsigned char data[1]; } S32579;
-
-// issue 37033, cgo.Handle
-extern void GoFunc37033(uintptr_t handle);
-void cFunc37033(uintptr_t handle) { GoFunc37033(handle); }
-
-// issue 38649
-// Test that #define'd type aliases work.
-#define netbsd_gid unsigned int
-
-// issue 40494
-// Inconsistent handling of tagged enum and union types.
-enum Enum40494 { X_40494 };
-union Union40494 { int x; };
-void issue40494(enum Enum40494 e, union Union40494* up) {}
-
-// Issue 45451, bad handling of go:notinheap types.
-typedef struct issue45451Undefined issue45451;
-
-// Issue 49633, example of cgo.Handle with void*.
-extern void GoFunc49633(void*);
-void cfunc49633(void *context) { GoFunc49633(context); }
-
-*/
-import "C"
-
-import (
- "context"
- "fmt"
- "math"
- "math/rand"
- "os"
- "os/signal"
- "reflect"
- "runtime"
- "runtime/cgo"
- "sync"
- "syscall"
- "testing"
- "time"
- "unsafe"
-)
-
-// alignment
-
-func testAlign(t *testing.T) {
- var evt C.SDL_KeyboardEvent
- C.makeEvent(&evt)
- if C.same(&evt, evt.typ, evt.which, evt.state, evt.keysym.scancode, evt.keysym.sym, evt.keysym.mod, evt.keysym.unicode) == 0 {
- t.Error("*** bad alignment")
- C.cTest(&evt)
- t.Errorf("Go: %#x %#x %#x %#x %#x %#x %#x\n",
- evt.typ, evt.which, evt.state, evt.keysym.scancode,
- evt.keysym.sym, evt.keysym.mod, evt.keysym.unicode)
- t.Error(evt)
- }
-}
-
-// api
-
-const greeting = "hello, world"
-
-type testPair struct {
- Name string
- Got, Want interface{}
-}
-
-var testPairs = []testPair{
- {"GoString", C.GoString(C.greeting), greeting},
- {"GoStringN", C.GoStringN(C.greeting, 5), greeting[:5]},
- {"GoBytes", C.GoBytes(unsafe.Pointer(C.greeting), 5), []byte(greeting[:5])},
-}
-
-func testHelpers(t *testing.T) {
- for _, pair := range testPairs {
- if !reflect.DeepEqual(pair.Got, pair.Want) {
- t.Errorf("%s: got %#v, want %#v", pair.Name, pair.Got, pair.Want)
- }
- }
-}
-
-// basic test cases
-
-const EINVAL = C.EINVAL /* test #define */
-
-var KILO = C.KILO
-
-func uuidgen() {
- var uuid C.cgo_uuid_t
- C.uuid_generate(&uuid[0])
-}
-
-func Strtol(s string, base int) (int, error) {
- p := C.CString(s)
- n, err := C.strtol(p, nil, C.int(base))
- C.free(unsafe.Pointer(p))
- return int(n), err
-}
-
-func Atol(s string) int {
- p := C.CString(s)
- n := C.atol(p)
- C.free(unsafe.Pointer(p))
- return int(n)
-}
-
-func testConst(t *testing.T) {
- C.myConstFunc(nil, 0, nil)
-}
-
-func testEnum(t *testing.T) {
- if C.Enum1 != 1 || C.Enum2 != 2 {
- t.Error("bad enum", C.Enum1, C.Enum2)
- }
-}
-
-func testNamedEnum(t *testing.T) {
- e := new(C.enum_E)
-
- *e = C.Enum1
- if *e != 1 {
- t.Error("bad enum", C.Enum1)
- }
-
- *e = C.Enum2
- if *e != 2 {
- t.Error("bad enum", C.Enum2)
- }
-}
-
-func testCastToEnum(t *testing.T) {
- e := C.enum_E(C.Enum1)
- if e != 1 {
- t.Error("bad enum", C.Enum1)
- }
-
- e = C.enum_E(C.Enum2)
- if e != 2 {
- t.Error("bad enum", C.Enum2)
- }
-}
-
-func testAtol(t *testing.T) {
- l := Atol("123")
- if l != 123 {
- t.Error("Atol 123: ", l)
- }
-}
-
-func testErrno(t *testing.T) {
- p := C.CString("no-such-file")
- m := C.CString("r")
- f, err := C.fopen(p, m)
- C.free(unsafe.Pointer(p))
- C.free(unsafe.Pointer(m))
- if err == nil {
- C.fclose(f)
- t.Fatalf("C.fopen: should fail")
- }
- if err != syscall.ENOENT {
- t.Fatalf("C.fopen: unexpected error: %v", err)
- }
-}
-
-func testMultipleAssign(t *testing.T) {
- p := C.CString("234")
- n, m := C.strtol(p, nil, 345), C.strtol(p, nil, 10)
- if runtime.GOOS == "openbsd" {
- // Bug in OpenBSD strtol(3) - base > 36 succeeds.
- if (n != 0 && n != 239089) || m != 234 {
- t.Fatal("Strtol x2: ", n, m)
- }
- } else if n != 0 || m != 234 {
- t.Fatal("Strtol x2: ", n, m)
- }
- C.free(unsafe.Pointer(p))
-}
-
-var (
- cuint = (C.uint)(0)
- culong C.ulong
- cchar C.char
-)
-
-type Context struct {
- ctx *C.struct_ibv_context
-}
-
-func benchCgoCall(b *testing.B) {
- b.Run("add-int", func(b *testing.B) {
- const x = C.int(2)
- const y = C.int(3)
-
- for i := 0; i < b.N; i++ {
- C.add(x, y)
- }
- })
-
- b.Run("one-pointer", func(b *testing.B) {
- var a0 C.VkDeviceCreateInfo
- for i := 0; i < b.N; i++ {
- C.handleComplexPointer(&a0)
- }
- })
- b.Run("eight-pointers", func(b *testing.B) {
- var a0, a1, a2, a3, a4, a5, a6, a7 C.VkDeviceCreateInfo
- for i := 0; i < b.N; i++ {
- C.handleComplexPointer8(&a0, &a1, &a2, &a3, &a4, &a5, &a6, &a7)
- }
- })
- b.Run("eight-pointers-nil", func(b *testing.B) {
- var a0, a1, a2, a3, a4, a5, a6, a7 *C.VkDeviceCreateInfo
- for i := 0; i < b.N; i++ {
- C.handleComplexPointer8(a0, a1, a2, a3, a4, a5, a6, a7)
- }
- })
- b.Run("eight-pointers-array", func(b *testing.B) {
- var a [8]C.VkDeviceCreateInfo
- for i := 0; i < b.N; i++ {
- C.handleComplexPointer8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7])
- }
- })
- b.Run("eight-pointers-slice", func(b *testing.B) {
- a := make([]C.VkDeviceCreateInfo, 8)
- for i := 0; i < b.N; i++ {
- C.handleComplexPointer8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7])
- }
- })
-}
-
-// Benchmark measuring overhead from Go to C and back to Go (via a callback)
-func benchCallback(b *testing.B) {
- var x = false
- for i := 0; i < b.N; i++ {
- nestedCall(func() { x = true })
- }
- if !x {
- b.Fatal("nestedCall was not invoked")
- }
-}
-
-var sinkString string
-
-func benchGoString(b *testing.B) {
- for i := 0; i < b.N; i++ {
- sinkString = C.GoString(C.cstr)
- }
- const want = "abcefghijklmnopqrstuvwxyzABCEFGHIJKLMNOPQRSTUVWXYZ1234567890"
- if sinkString != want {
- b.Fatalf("%q != %q", sinkString, want)
- }
-}
-
-// Static (build-time) test that syntax traversal visits all operands of s[i:j:k].
-func sliceOperands(array [2000]int) {
- _ = array[C.KILO:C.KILO:C.KILO] // no type error
-}
-
-// set in cgo_thread_lock.go init
-var testThreadLockFunc = func(*testing.T) {}
-
-// complex alignment
-
-func TestComplexAlign(t *testing.T) {
- if C.cplxAlign.x != 3.14 {
- t.Errorf("got %v, expected 3.14", C.cplxAlign.x)
- }
- if C.cplxAlign.y != 2.17 {
- t.Errorf("got %v, expected 2.17", C.cplxAlign.y)
- }
-}
-
-// constants and pointer checking
-
-func testCheckConst(t *testing.T) {
- // The test is that this compiles successfully.
- p := C.malloc(C.size_t(unsafe.Sizeof(C.int(0))))
- defer C.free(p)
- C.CheckConstFunc(&C.CheckConstStruct{(*C.int)(p)}, C.CheckConstVal)
-}
-
-// duplicate symbol
-
-func duplicateSymbols() {
- fmt.Printf("%v %v %v\n", C.base_symbol, C.alias_one, C.alias_two)
-}
-
-// environment
-
-// This is really an os package test but here for convenience.
-func testSetEnv(t *testing.T) {
- if runtime.GOOS == "windows" {
- // Go uses SetEnvironmentVariable on windows. However,
- // C runtime takes a *copy* at process startup of the
- // OS environment, and stores it in environ/envp.
- // It is this copy that getenv/putenv manipulate.
- t.Logf("skipping test")
- return
- }
- const key = "CGO_OS_TEST_KEY"
- const val = "CGO_OS_TEST_VALUE"
- os.Setenv(key, val)
- keyc := C.CString(key)
- defer C.free(unsafe.Pointer(keyc))
- v := C.getenv(keyc)
- if uintptr(unsafe.Pointer(v)) == 0 {
- t.Fatal("getenv returned NULL")
- }
- vs := C.GoString(v)
- if vs != val {
- t.Fatalf("getenv() = %q; want %q", vs, val)
- }
-}
-
-// function pointer variables
-
-func callBridge(f C.intFunc) int {
- return int(C.bridge_int_func(f))
-}
-
-func callCBridge(f C.intFunc) C.int {
- return C.bridge_int_func(f)
-}
-
-func testFpVar(t *testing.T) {
- const expected = 42
- f := C.intFunc(C.fortytwo)
- res1 := C.bridge_int_func(f)
- if r1 := int(res1); r1 != expected {
- t.Errorf("got %d, want %d", r1, expected)
- }
- res2 := callCBridge(f)
- if r2 := int(res2); r2 != expected {
- t.Errorf("got %d, want %d", r2, expected)
- }
- r3 := callBridge(f)
- if r3 != expected {
- t.Errorf("got %d, want %d", r3, expected)
- }
-}
-
-// issue 1222
-type AsyncEvent struct {
- event C.struct_ibv_async_event
-}
-
-// issue 1635
-
-func test1635(t *testing.T) {
- C.scatter()
- if v := C.hola; v != 0 {
- t.Fatalf("C.hola is %d, should be 0", v)
- }
- if v := C.testHola(); v != 0 {
- t.Fatalf("C.testHola() is %d, should be 0", v)
- }
-}
-
-// issue 2470
-
-func testUnsignedInt(t *testing.T) {
- a := (int64)(C.UINT32VAL)
- b := (int64)(0xc008427b)
- if a != b {
- t.Errorf("Incorrect unsigned int - got %x, want %x", a, b)
- }
-}
-
-// issue 3250
-
-func test3250(t *testing.T) {
- if runtime.GOOS == "windows" {
- t.Skip("not applicable on windows")
- }
-
- t.Skip("skipped, see golang.org/issue/5885")
- var (
- thres = 1
- sig = syscall_dot_SIGCHLD
- )
- type result struct {
- n int
- sig os.Signal
- }
- var (
- sigCh = make(chan os.Signal, 10)
- waitStart = make(chan struct{})
- waitDone = make(chan result)
- )
-
- signal.Notify(sigCh, sig)
-
- go func() {
- n := 0
- alarm := time.After(time.Second * 3)
- for {
- select {
- case <-waitStart:
- waitStart = nil
- case v := <-sigCh:
- n++
- if v != sig || n > thres {
- waitDone <- result{n, v}
- return
- }
- case <-alarm:
- waitDone <- result{n, sig}
- return
- }
- }
- }()
-
- waitStart <- struct{}{}
- C.testSendSIG()
- r := <-waitDone
- if r.sig != sig {
- t.Fatalf("received signal %v, but want %v", r.sig, sig)
- }
- t.Logf("got %d signals\n", r.n)
- if r.n <= thres {
- t.Fatalf("expected more than %d", thres)
- }
-}
-
-// issue 3261
-
-func testLibgcc(t *testing.T) {
- var table = []struct {
- in, out C.int
- }{
- {0, 0},
- {1, 1},
- {-42, 42},
- {1000300, 1000300},
- {1 - 1<<31, 1<<31 - 1},
- }
- for _, v := range table {
- if o := C.vabs(v.in); o != v.out {
- t.Fatalf("abs(%d) got %d, should be %d", v.in, o, v.out)
- return
- }
- }
-}
-
-// issue 3729
-
-func test3729(t *testing.T) {
- if runtime.GOOS == "windows" {
- t.Skip("skipping on windows")
- }
-
- _, e := C.g()
- if e != syscall.E2BIG {
- t.Errorf("got %q, expect %q", e, syscall.E2BIG)
- }
- _, e = C.g2(C.EINVAL, C._expA, C._expB, C._expC, C._expD)
- if e != syscall.EINVAL {
- t.Errorf("got %q, expect %q", e, syscall.EINVAL)
- }
-}
-
-// issue 3945
-
-func testPrintf(t *testing.T) {
- C.say()
-}
-
-// issue 4054
-
-var issue4054a = []int{C.A, C.B, C.C, C.D, C.E, C.F, C.G, C.H, C.I, C.J}
-
-// issue 4339
-
-func test4339(t *testing.T) {
- C.handle4339(&C.exported4339)
-}
-
-// issue 4417
-
-func testBoolAlign(t *testing.T) {
- b := C.c_bool(true, true, 10, true, false)
- if b != 10 {
- t.Fatalf("found %d expected 10\n", b)
- }
- b = C.c_bool(true, true, 5, true, true)
- if b != 5 {
- t.Fatalf("found %d expected 5\n", b)
- }
- b = C.c_bool(true, true, 3, true, false)
- if b != 3 {
- t.Fatalf("found %d expected 3\n", b)
- }
- b = C.c_bool(false, false, 1, true, false)
- if b != 1 {
- t.Fatalf("found %d expected 1\n", b)
- }
- b = C.c_bool(false, true, 200, true, false)
- if b != 200 {
- t.Fatalf("found %d expected 200\n", b)
- }
-}
-
-// issue 4857
-
-func test4857() {
- _ = C.issue4857()
-}
-
-// issue 5224
-
-func testCflags(t *testing.T) {
- is_windows := C.is_windows == 1
- if is_windows != (runtime.GOOS == "windows") {
- t.Errorf("is_windows: %v, runtime.GOOS: %s", is_windows, runtime.GOOS)
- }
- if C.common != 123 {
- t.Errorf("common: %v (expected 123)", C.common)
- }
-}
-
-// issue 5227
-
-func test5227(t *testing.T) {
- C.init()
-}
-
-func selectfont() C.Fontinfo {
- return C.SansTypeface
-}
-
-// issue 5242
-
-func test5242(t *testing.T) {
- if got := C.issue5242(C.foo{}, C.bar{}); got != 5242 {
- t.Errorf("got %v", got)
- }
-}
-
-func test5603(t *testing.T) {
- var x [5]int64
- exp := int64(C.issue5603exp)
- x[0] = int64(C.issue5603foo0())
- x[1] = int64(C.issue5603foo1(nil))
- x[2] = int64(C.issue5603foo2(nil, nil))
- x[3] = int64(C.issue5603foo3(nil, nil, nil))
- x[4] = int64(C.issue5603foo4(nil, nil, nil, nil))
- for i, v := range x {
- if v != exp {
- t.Errorf("issue5603foo%d() returns %v, expected %v", i, v, exp)
- }
- }
-}
-
-// issue 5337
-
-func test5337(t *testing.T) {
- C.test5337()
-}
-
-// issue 5740
-
-func test5740(t *testing.T) {
- if v := C.test5740a() + C.test5740b(); v != 5 {
- t.Errorf("expected 5, got %v", v)
- }
-}
-
-// issue 5986
-
-func test5986(t *testing.T) {
- C.output5986()
-}
-
-// issue 6128
-
-func test6128() {
- // nothing to run, just make sure this compiles.
- _ = C.X
-}
-
-// issue 6390
-
-func test6390(t *testing.T) {
- p1 := C.malloc(1024)
- if p1 == nil {
- t.Fatalf("C.malloc(1024) returned nil")
- }
- p2 := C.malloc(0)
- if p2 == nil {
- t.Fatalf("C.malloc(0) returned nil")
- }
- C.free(p1)
- C.free(p2)
-}
-
-func test6472() {
- // nothing to run, just make sure this compiles
- s := new(C.z)
- println(s.y[0].x)
-}
-
-// issue 6506
-
-func test6506() {
- // nothing to run, just make sure this compiles
- var x C.size_t
-
- C.calloc(x, x)
- C.malloc(x)
- C.realloc(nil, x)
- C.memcpy(nil, nil, x)
- C.memcmp(nil, nil, x)
- C.memmove(nil, nil, x)
- C.strncpy(nil, nil, x)
- C.strncmp(nil, nil, x)
- C.strncat(nil, nil, x)
- x = C.strxfrm(nil, nil, x)
- C.memchr(nil, 0, x)
- x = C.strcspn(nil, nil)
- x = C.strspn(nil, nil)
- C.memset(nil, 0, x)
- x = C.strlen(nil)
- _ = x
-}
-
-// issue 6612
-
-func testNaming(t *testing.T) {
- C.myfunc()
- C.myfunc_def()
- if v := C.myvar; v != 5 {
- t.Errorf("C.myvar = %d, want 5", v)
- }
- if v := C.myvar_def; v != 5 {
- t.Errorf("C.myvar_def = %d, want 5", v)
- }
- if s := C.GoString(C.mytext); s != "abcdef" {
- t.Errorf("C.mytext = %q, want %q", s, "abcdef")
- }
- if s := C.GoString(C.mytext_def); s != "abcdef" {
- t.Errorf("C.mytext_def = %q, want %q", s, "abcdef")
- }
- if c := C.myenum; c != 1234 {
- t.Errorf("C.myenum = %v, want 1234", c)
- }
- if c := C.myenum_def; c != 1234 {
- t.Errorf("C.myenum_def = %v, want 1234", c)
- }
- {
- const c = C.myenum
- if c != 1234 {
- t.Errorf("C.myenum as const = %v, want 1234", c)
- }
- }
- {
- const c = C.myenum_def
- if c != 1234 {
- t.Errorf("C.myenum as const = %v, want 1234", c)
- }
- }
- if c := C.myint_def; c != 12345 {
- t.Errorf("C.myint_def = %v, want 12345", c)
- }
- {
- const c = C.myint_def
- if c != 12345 {
- t.Errorf("C.myint as const = %v, want 12345", c)
- }
- }
-
- if c := C.myfloat_def; c != 1.5 {
- t.Errorf("C.myint_def = %v, want 1.5", c)
- }
- {
- const c = C.myfloat_def
- if c != 1.5 {
- t.Errorf("C.myint as const = %v, want 1.5", c)
- }
- }
-
- if s := C.mystring_def; s != "hello" {
- t.Errorf("C.mystring_def = %q, want %q", s, "hello")
- }
-}
-
-// issue 6907
-
-func test6907(t *testing.T) {
- want := "yarn"
- if got := C.GoString(C.Issue6907CopyString(want)); got != want {
- t.Errorf("C.GoString(C.Issue6907CopyString(%q)) == %q, want %q", want, got, want)
- }
-}
-
-// issue 7560
-
-func test7560(t *testing.T) {
- // some mingw don't implement __packed__ correctly.
- if C.offset7560() != 1 {
- t.Skip("C compiler did not pack struct")
- }
-
- // C.misaligned should have x but then a padding field to get to the end of the struct.
- // There should not be a field named 'y'.
- var v C.misaligned
- rt := reflect.TypeOf(&v).Elem()
- if rt.NumField() != 2 || rt.Field(0).Name != "x" || rt.Field(1).Name != "_" {
- t.Errorf("unexpected fields in C.misaligned:\n")
- for i := 0; i < rt.NumField(); i++ {
- t.Logf("%+v\n", rt.Field(i))
- }
- }
-}
-
-// issue 7786
-
-func f() {
- var x1 *C.typedef_test7786
- var x2 *C.struct_test7786
- x1 = x2
- x2 = x1
- C.f7786(x1)
- C.f7786(x2)
- C.g7786(x1)
- C.g7786(x2)
-
- var b1 *C.typedef_body7786
- var b2 *C.struct_body7786
- b1 = b2
- b2 = b1
- C.b7786(b1)
- C.b7786(b2)
- C.c7786(b1)
- C.c7786(b2)
-
- var u1 *C.typedef_union7786
- var u2 *C.union_union7786
- u1 = u2
- u2 = u1
- C.u7786(u1)
- C.u7786(u2)
- C.v7786(u1)
- C.v7786(u2)
-}
-
-// issue 8092
-
-func test8092(t *testing.T) {
- tests := []struct {
- s string
- a, b *C.char
- }{
- {"text", &C.text[0], C.ctext()},
- {"data", &C.data[0], C.cdata()},
- }
- for _, test := range tests {
- if test.a != test.b {
- t.Errorf("%s: pointer mismatch: %v != %v", test.s, test.a, test.b)
- }
- if got := C.GoString(test.a); got != test.s {
- t.Errorf("%s: points at %#v, want %#v", test.s, got, test.s)
- }
- }
-}
-
-// issues 8368 and 8441
-
-func issue8368(one *C.struct_one, two *C.struct_two) {
-}
-
-func issue8441(one *C.one, two *C.two) {
- issue8441(two.x, one.x)
-}
-
-// issue 8428
-
-var _ = C.struct_issue8428one{
- b: C.char(0),
- // The trailing rest field is not available in cgo.
- // See issue 11925.
- // rest: [0]C.char{},
-}
-
-var _ = C.struct_issue8428two{
- p: unsafe.Pointer(nil),
- b: C.char(0),
- rest: [0]C.char{},
-}
-
-var _ = C.struct_issue8428three{
- w: [1][2][3][0]C.char{},
- x: [2][3][0][1]C.char{},
- y: [3][0][1][2]C.char{},
- z: [0][1][2][3]C.char{},
-}
-
-// issue 8811
-
-func test8811(t *testing.T) {
- C.issue8811Execute()
-}
-
-// issue 9557
-
-func test9557(t *testing.T) {
- // implicitly dereference a Go variable
- foo := C.issue9557foo
- if v := foo.a; v != 42 {
- t.Fatalf("foo.a expected 42, but got %d", v)
- }
-
- // explicitly dereference a C variable
- if v := (*C.issue9557foo).a; v != 42 {
- t.Fatalf("(*C.issue9557foo).a expected 42, but is %d", v)
- }
-
- // implicitly dereference a C variable
- if v := C.issue9557foo.a; v != 42 {
- t.Fatalf("C.issue9557foo.a expected 42, but is %d", v)
- }
-}
-
-// issue 8331 part 1
-
-func issue8331a() C.issue8331 {
- return issue8331Var
-}
-
-// issue 10303
-
-func test10303(t *testing.T, n int) {
- if runtime.Compiler == "gccgo" {
- t.Skip("gccgo permits C pointers on the stack")
- }
-
- // Run at a few different stack depths just to avoid an unlucky pass
- // due to variables ending up on different pages.
- if n > 0 {
- test10303(t, n-1)
- }
- if t.Failed() {
- return
- }
- var x, y, z, v, si C.int
- var s C.Struct
- C.setintstar(&x)
- C.setintptr(&y)
- C.setvoidptr(unsafe.Pointer(&v))
- s.P = &si
- C.setstruct(s)
-
- if uintptr(unsafe.Pointer(&x))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C int* argument on stack")
- }
- if uintptr(unsafe.Pointer(&y))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C intptr argument on stack")
- }
- if uintptr(unsafe.Pointer(&v))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C void* argument on stack")
- }
- if uintptr(unsafe.Pointer(&si))&^0xfff == uintptr(unsafe.Pointer(&z))&^0xfff {
- t.Error("C struct field pointer on stack")
- }
-}
-
-// issue 11925
-
-func test11925(t *testing.T) {
- if C.sizeof_struct_a11925 != unsafe.Sizeof(C.struct_a11925{}) {
- t.Errorf("size of a changed: C %d, Go %d", C.sizeof_struct_a11925, unsafe.Sizeof(C.struct_a11925{}))
- }
- if C.sizeof_struct_b11925 != unsafe.Sizeof(C.struct_b11925{}) {
- t.Errorf("size of b changed: C %d, Go %d", C.sizeof_struct_b11925, unsafe.Sizeof(C.struct_b11925{}))
- }
-}
-
-// issue 12030
-
-func test12030(t *testing.T) {
- buf := (*C.char)(C.malloc(256))
- defer C.free(unsafe.Pointer(buf))
- for _, f := range []float64{1.0, 2.0, 3.14} {
- C.issue12030conv(buf, C.double(f))
- got := C.GoString(buf)
- if want := fmt.Sprintf("d=%g", f); got != want {
- t.Fatalf("C.sprintf failed for %g: %q != %q", f, got, want)
- }
- }
-}
-
-// issue 13402
-
-var _ C.complexfloat
-var _ C.complexdouble
-
-// issue 13930
-// Test that cgo's multiple-value special form for
-// C function calls works in variable declaration statements.
-
-var _, _ = C.abs(0)
-
-// issue 14838
-
-func test14838(t *testing.T) {
- data := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}
- cData := C.CBytes(data)
- defer C.free(cData)
-
- if C.check_cbytes((*C.char)(cData), C.size_t(len(data))) == 0 {
- t.Fatalf("mismatched data: expected %v, got %v", data, (*(*[10]byte)(unsafe.Pointer(cData)))[:])
- }
-}
-
-// issue 17065
-
-var sink C.int
-
-func test17065(t *testing.T) {
- if runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
- t.Skip("broken on darwin; issue 17065")
- }
- for i := range C.ii {
- sink = C.ii[i]
- }
-}
-
-// issue 17537
-
-func test17537(t *testing.T) {
- v := C.S17537{i: 17537}
- if got, want := C.I17537(&v), C.int(17537); got != want {
- t.Errorf("got %d, want %d", got, want)
- }
-
- p := (*C.char)(C.malloc(1))
- *p = 17
- if got, want := C.F17537(&p), C.int(17); got != want {
- t.Errorf("got %d, want %d", got, want)
- }
-
- C.F18298(nil)
- var v18298 C.T18298_2
- C.G18298(C.T18298_1(v18298))
-}
-
-// issue 17723
-
-func testAPI() {
- var cs *C.char
- cs = C.CString("hello")
- defer C.free(unsafe.Pointer(cs))
- var s string
- s = C.GoString((*C.char)(C.api_hello))
- s = C.GoStringN((*C.char)(C.api_hello), C.int(6))
- var b []byte
- b = C.GoBytes(unsafe.Pointer(C.api_hello), C.int(6))
- _, _ = s, b
- C.cstring_pointer_fun(nil)
-}
-
-// issue 18126
-
-func test18126(t *testing.T) {
- p := C.malloc(1)
- _, err := C.Issue18126C(&p)
- C.free(p)
- _ = err
-}
-
-// issue 18720
-
-func test18720(t *testing.T) {
- if got, want := C.HELLO_WORLD, "hello\000world"; got != want {
- t.Errorf("C.HELLO_WORLD == %q, expected %q", got, want)
- }
-
- if got, want := C.VAR1, C.int(5); got != want {
- t.Errorf("C.VAR1 == %v, expected %v", got, want)
- }
-
- if got, want := *C.ADDR, C.int(5); got != want {
- t.Errorf("*C.ADDR == %v, expected %v", got, want)
- }
-
- if got, want := C.CALL, C.int(6); got != want {
- t.Errorf("C.CALL == %v, expected %v", got, want)
- }
-
- if got, want := C.CALL, C.int(7); got != want {
- t.Errorf("C.CALL == %v, expected %v", got, want)
- }
-
- // Issue 20125.
- if got, want := C.SIZE_OF_FOO, 1; got != want {
- t.Errorf("C.SIZE_OF_FOO == %v, expected %v", got, want)
- }
-}
-
-// issue 20129
-
-func test20129(t *testing.T) {
- if C.issue20129 != 0 {
- t.Fatal("test is broken")
- }
- C.issue20129Foo()
- if C.issue20129 != 1 {
- t.Errorf("got %v but expected %v", C.issue20129, 1)
- }
- C.issue20129Bar()
- if C.issue20129 != 2 {
- t.Errorf("got %v but expected %v", C.issue20129, 2)
- }
-}
-
-// issue 20369
-
-func test20369(t *testing.T) {
- if C.XUINT64_MAX != math.MaxUint64 {
- t.Fatalf("got %v, want %v", uint64(C.XUINT64_MAX), uint64(math.MaxUint64))
- }
-}
-
-// issue 21668
-
-var issue21668_X = C.x21668
-
-// issue 21708
-
-func test21708(t *testing.T) {
- if got, want := C.CAST_TO_INT64, -1; got != want {
- t.Errorf("C.CAST_TO_INT64 == %v, expected %v", got, want)
- }
-}
-
-// issue 21809
-
-func test21809(t *testing.T) {
- longVar := C.long(3)
- typedefVar := C.MySigned_t(4)
- typedefTypedefVar := C.MySigned2_t(5)
-
- // all three should be considered identical to `long`
- if ret := C.takes_long(longVar); ret != 9 {
- t.Errorf("got %v but expected %v", ret, 9)
- }
- if ret := C.takes_long(typedefVar); ret != 16 {
- t.Errorf("got %v but expected %v", ret, 16)
- }
- if ret := C.takes_long(typedefTypedefVar); ret != 25 {
- t.Errorf("got %v but expected %v", ret, 25)
- }
-
- // They should also be identical to the typedef'd type
- if ret := C.takes_typedef(longVar); ret != 9 {
- t.Errorf("got %v but expected %v", ret, 9)
- }
- if ret := C.takes_typedef(typedefVar); ret != 16 {
- t.Errorf("got %v but expected %v", ret, 16)
- }
- if ret := C.takes_typedef(typedefTypedefVar); ret != 25 {
- t.Errorf("got %v but expected %v", ret, 25)
- }
-}
-
-// issue 22906
-
-func test22906(t *testing.T) {
- var x1 C.jobject = 0 // Note: 0, not nil. That makes sure we use uintptr for these types.
- _ = x1
- var x2 C.jclass = 0
- _ = x2
- var x3 C.jthrowable = 0
- _ = x3
- var x4 C.jstring = 0
- _ = x4
- var x5 C.jarray = 0
- _ = x5
- var x6 C.jbooleanArray = 0
- _ = x6
- var x7 C.jbyteArray = 0
- _ = x7
- var x8 C.jcharArray = 0
- _ = x8
- var x9 C.jshortArray = 0
- _ = x9
- var x10 C.jintArray = 0
- _ = x10
- var x11 C.jlongArray = 0
- _ = x11
- var x12 C.jfloatArray = 0
- _ = x12
- var x13 C.jdoubleArray = 0
- _ = x13
- var x14 C.jobjectArray = 0
- _ = x14
- var x15 C.jweak = 0
- _ = x15
-}
-
-// issue 22958
-// Nothing to run, just make sure this compiles.
-var Vissue22958 C.issue22958Type
-
-func test23356(t *testing.T) {
- if got, want := C.a(), C.int(5); got != want {
- t.Errorf("C.a() == %v, expected %v", got, want)
- }
- if got, want := C.r(), C.int(3); got != want {
- t.Errorf("C.r() == %v, expected %v", got, want)
- }
-}
-
-// issue 23720
-
-func Issue23720F() {
- var x C.issue23720A
- C.issue23720F(x)
-}
-
-// issue 24206
-
-func test24206(t *testing.T) {
- if runtime.GOOS != "linux" || runtime.GOARCH != "amd64" {
- t.Skipf("skipping on %s/%s", runtime.GOOS, runtime.GOARCH)
- }
-
- if l := len(C.GoString(C.dangerousString1())); l != 123 {
- t.Errorf("Incorrect string length - got %d, want 123", l)
- }
- if l := len(C.GoString(C.dangerousString2())); l != 4096+123 {
- t.Errorf("Incorrect string length - got %d, want %d", l, 4096+123)
- }
-}
-
-// issue 25143
-
-func issue25143sum(ns ...C.int) C.int {
- total := C.int(0)
- for _, n := range ns {
- total += n
- }
- return total
-}
-
-func test25143(t *testing.T) {
- if got, want := issue25143sum(1, 2, 3), C.int(6); got != want {
- t.Errorf("issue25143sum(1, 2, 3) == %v, expected %v", got, want)
- }
-}
-
-// issue 26066
-// Wrong type of constant with GCC 8 and newer.
-
-func test26066(t *testing.T) {
- var i = int64(C.issue26066)
- if i != -1 {
- t.Errorf("got %d, want -1", i)
- }
-}
-
-// issue 26517
-var a C.TypeOne
-var b C.TypeTwo
-
-// issue 27660
-// Stress the interaction between the race detector and cgo in an
-// attempt to reproduce the memory corruption described in #27660.
-// The bug was very timing sensitive; at the time of writing this
-// test would only trigger the bug about once out of every five runs.
-
-func test27660(t *testing.T) {
- ctx, cancel := context.WithCancel(context.Background())
- defer cancel()
- ints := make([]int, 100)
- locks := make([]sync.Mutex, 100)
- // Slowly create threads so that ThreadSanitizer is forced to
- // frequently resize its SyncClocks.
- for i := 0; i < 100; i++ {
- go func() {
- for ctx.Err() == nil {
- // Sleep in C for long enough that it is likely that the runtime
- // will retake this goroutine's currently wired P.
- C.usleep(1000 /* 1ms */)
- runtime.Gosched() // avoid starvation (see #28701)
- }
- }()
- go func() {
- // Trigger lots of synchronization and memory reads/writes to
- // increase the likelihood that the race described in #27660
- // results in corruption of ThreadSanitizer's internal state
- // and thus an assertion failure or segfault.
- i := 0
- for ctx.Err() == nil {
- j := rand.Intn(100)
- locks[j].Lock()
- ints[j]++
- locks[j].Unlock()
- // needed for gccgo, to avoid creation of an
- // unpreemptible "fast path" in this loop. Choice
- // of (1<<24) is somewhat arbitrary.
- if i%(1<<24) == 0 {
- runtime.Gosched()
- }
- i++
-
- }
- }()
- time.Sleep(time.Millisecond)
- }
-}
-
-// issue 28540
-
-func twoargsF() {
- var v struct{ p *byte }
- C.twoargs1(C.twoargs2(), C.twoargs3(unsafe.Pointer(&v)))
-}
-
-// issue 28545
-
-func issue28545G(p **C.char) {
- C.issue28545F(p, -1, (0))
- C.issue28545F(p, 2+3, complex(1, 1))
- C.issue28545F(p, issue28772Constant, issue28772Constant2)
-}
-
-// issue 28772 part 1 - part 2 in testx.go
-
-const issue28772Constant = C.issue28772Constant
-
-// issue 28896
-
-func offset(i int) uintptr {
- var pi C.innerPacked
- var po C.outerPacked
- var ui C.innerUnpacked
- var uo C.outerUnpacked
- switch i {
- case 0:
- return unsafe.Offsetof(pi.f2)
- case 1:
- return unsafe.Offsetof(po.g2)
- case 2:
- return unsafe.Offsetof(ui.f2)
- case 3:
- return unsafe.Offsetof(uo.g2)
- default:
- panic("can't happen")
- }
-}
-
-func test28896(t *testing.T) {
- for i := 0; i < 4; i++ {
- c := uintptr(C.offset(C.int(i)))
- g := offset(i)
- if c != g {
- t.Errorf("%d: C: %d != Go %d", i, c, g)
- }
- }
-}
-
-// issue 29383
-// cgo's /*line*/ comments failed when inserted after '/',
-// because the result looked like a "//" comment.
-// No runtime test; just make sure it compiles.
-
-func Issue29383(n, size uint) int {
- if ^C.size_t(0)/C.size_t(n) < C.size_t(size) {
- return 0
- }
- return 0
-}
-
-// issue 29748
-// Error handling a struct initializer that requires pointer checking.
-// Compilation test only, nothing to run.
-
-var Vissue29748 = C.f29748(&C.S29748{
- nil,
-})
-
-func Fissue299748() {
- C.f29748(&C.S29748{
- nil,
- })
-}
-
-// issue 29781
-
-var issue29781X struct{ X int }
-
-func issue29781F(...int) int { return 0 }
-
-func issue29781G() {
- var p *C.char
- C.issue29781F(&p, C.ISSUE29781C+1)
- C.issue29781F(nil, (C.int)(
- 0))
- C.issue29781F(&p, (C.int)(0))
- C.issue29781F(&p, (C.int)(
- 0))
- C.issue29781F(&p, (C.int)(issue29781X.
- X))
-}
-
-// issue 30065
-
-func test30065(t *testing.T) {
- var a [256]byte
- b := []byte("a")
- C.memcpy(unsafe.Pointer(&a), unsafe.Pointer(&b[0]), 1)
- if a[0] != 'a' {
- t.Errorf("&a failed: got %c, want %c", a[0], 'a')
- }
-
- b = []byte("b")
- C.memcpy(unsafe.Pointer(&a[0]), unsafe.Pointer(&b[0]), 1)
- if a[0] != 'b' {
- t.Errorf("&a[0] failed: got %c, want %c", a[0], 'b')
- }
-
- d := make([]byte, 256)
- b = []byte("c")
- C.memcpy(unsafe.Pointer(&d[0]), unsafe.Pointer(&b[0]), 1)
- if d[0] != 'c' {
- t.Errorf("&d[0] failed: got %c, want %c", d[0], 'c')
- }
-}
-
-// issue 31093
-// No runtime test; just make sure it compiles.
-
-func Issue31093() {
- C.issue31093F(C.ushort(0))
-}
-
-// issue 32579
-
-func test32579(t *testing.T) {
- var s [1]C.struct_S32579
- C.memset(unsafe.Pointer(&s[0].data[0]), 1, 1)
- if s[0].data[0] != 1 {
- t.Errorf("&s[0].data[0] failed: got %d, want %d", s[0].data[0], 1)
- }
-}
-
-// issue 37033, check if cgo.Handle works properly
-
-func testHandle(t *testing.T) {
- ch := make(chan int)
-
- for i := 0; i < 42; i++ {
- h := cgo.NewHandle(ch)
- go func() {
- C.cFunc37033(C.uintptr_t(h))
- }()
- if v := <-ch; issue37033 != v {
- t.Fatalf("unexpected receiving value: got %d, want %d", v, issue37033)
- }
- h.Delete()
- }
-}
-
-// issue 38649
-
-var issue38649 C.netbsd_gid = 42
-
-// issue 39877
-
-var issue39877 *C.void = nil
-
-// issue 40494
-// No runtime test; just make sure it compiles.
-
-func Issue40494() {
- C.issue40494(C.enum_Enum40494(C.X_40494), (*C.union_Union40494)(nil))
-}
-
-// Issue 45451.
-func test45451(t *testing.T) {
- var u *C.issue45451
- typ := reflect.ValueOf(u).Type().Elem()
-
- // The type is undefined in C so allocating it should panic.
- defer func() {
- if r := recover(); r == nil {
- t.Error("expected panic")
- }
- }()
-
- _ = reflect.New(typ)
- t.Errorf("reflect.New(%v) should have panicked", typ)
-}
-
-// issue 52542
-
-func func52542[T ~[]C.int]() {}
-
-type type52542[T ~*C.float] struct{}
7apu2bq3rhoylwmucxizk54afw5jyda7pho4j5zdcqpwkufke7zdzwad.onion