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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /misc/swig/stdio | |
parent | Initial commit. (diff) | |
download | golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip |
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'misc/swig/stdio')
-rw-r--r-- | misc/swig/stdio/file.go | 15 | ||||
-rw-r--r-- | misc/swig/stdio/file.swig | 24 | ||||
-rw-r--r-- | misc/swig/stdio/file_test.go | 28 |
3 files changed, 67 insertions, 0 deletions
diff --git a/misc/swig/stdio/file.go b/misc/swig/stdio/file.go new file mode 100644 index 0000000..a582f77 --- /dev/null +++ b/misc/swig/stdio/file.go @@ -0,0 +1,15 @@ +// Copyright 2017 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. + +// This file is here just to cause problems. +// file.swig turns into a file also named file.go. +// Make sure cmd/go keeps them separate +// when both are passed to cgo. + +package file + +//int F(void) { return 1; } +import "C" + +func F() int { return int(C.F()) } diff --git a/misc/swig/stdio/file.swig b/misc/swig/stdio/file.swig new file mode 100644 index 0000000..b28ae0a --- /dev/null +++ b/misc/swig/stdio/file.swig @@ -0,0 +1,24 @@ +/* Copyright 2011 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. */ + +/* A trivial example of wrapping a C library using SWIG. */ + +%{ +#include <stdio.h> +#include <stdlib.h> +%} + +%typemap(gotype) const char * "string" +%typemap(in) const char * %{ + $1 = malloc($input.n + 1); + memcpy($1, $input.p, $input.n); + $1[$input.n] = '\0'; +%} +%typemap(freearg) const char * %{ + free($1); +%} + +FILE *fopen(const char *name, const char *mode); +int fclose(FILE *); +int fgetc(FILE *); diff --git a/misc/swig/stdio/file_test.go b/misc/swig/stdio/file_test.go new file mode 100644 index 0000000..aea92aa --- /dev/null +++ b/misc/swig/stdio/file_test.go @@ -0,0 +1,28 @@ +// Copyright 2012 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. + +package file + +import "testing" + +// Open this file itself and verify that the first few characters are +// as expected. +func TestRead(t *testing.T) { + f := Fopen("file_test.go", "r") + if f.Swigcptr() == 0 { + t.Fatal("fopen failed") + } + if Fgetc(f) != '/' || Fgetc(f) != '/' || Fgetc(f) != ' ' || Fgetc(f) != 'C' { + t.Error("read unexpected characters") + } + if Fclose(f) != 0 { + t.Error("fclose failed") + } +} + +func TestF(t *testing.T) { + if x := F(); x != 1 { + t.Fatalf("x = %d, want 1", x) + } +} |