mirror of
https://github.com/fluencelabs/wasmer
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44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
// Copyright 2016 The Emscripten Authors. All rights reserved.
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// Emscripten is available under two separate licenses, the MIT license and the
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// University of Illinois/NCSA Open Source License. Both these licenses can be
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// found in the LICENSE file.
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#include <assert.h>
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#include <limits.h>
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#include <stdio.h>
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#include "emscripten.h"
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extern "C" {
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void save_me_aimee() { printf("mann\n"); }
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}
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int main() {
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// EMSCRIPTEN_COMMENT("hello from the source");
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emscripten_run_script("out('hello world' + '!')");
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printf("*%d*\n", emscripten_run_script_int("5*20"));
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printf("*%s*\n", emscripten_run_script_string("'five'+'six'"));
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emscripten_run_script("Module['_save_me_aimee']()");
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//
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double d = 0.1234567891231219886553;
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int len = emscripten_print_double(d, NULL, -1);
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char buffer[len+1];
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buffer[len] = CHAR_MAX;
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emscripten_print_double(d, buffer, len+1);
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assert(buffer[len] == 0); // null terminated
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double e;
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sscanf(buffer, "%lf", &e);
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printf("%.30lf : %s : %.30lf (%d)\n", d, buffer, e, len);
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buffer[0] = 1;
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buffer[1] = 2;
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buffer[2] = 3;
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int n = emscripten_print_double(d, buffer, 2);
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assert(n == 1);
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assert(buffer[0] == '0'); // touched
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assert(buffer[1] == 0); // touched
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assert(buffer[2] == 3); // untouched
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puts("success\n");
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return 0;
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}
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