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test_stdin.c

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 warn_python_launcher

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test_stdin.c

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/*

* Copyright 2013 The Emscripten Authors. All rights reserved.

* Emscripten is available under two separate licenses, the MIT license and the

* University of Illinois/NCSA Open Source License. Both these licenses can be

* found in the LICENSE file.

*/

#include <errno.h>

#include <fcntl.h>

#include <stdlib.h>

#include <stdio.h>

#include <unistd.h>

#ifdef __EMSCRIPTEN__

#include <emscripten.h>

#endif

int line = 0;

void main_loop()

{

char str[10] = {0};

int ret;

errno = 0;

while (errno != EAGAIN) {

if (line == 0) {

ret = fgetc(stdin);

if (ret != EOF) putc(ret, stdout);

if (ret == '\n') line++;

} else if (line > 0) {

ret = scanf("%10s", str);

if (ret > 0) puts(str);

}

int err = ferror(stdin);

if (ferror(stdin) && errno != EAGAIN) {

printf("error %d\n", err);

exit(EXIT_FAILURE);

}

if (feof(stdin)) {

puts("eof");

exit(EXIT_SUCCESS);

}

clearerr(stdin);

}

}

int main(int argc, char const *argv[])

{

fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK);

// SM shell doesn't implement an event loop and therefor doesn't support

// emscripten_set_main_loop. However, its stdin reads are sync so it

// should exit out after calling main_loop once.

main_loop();

#ifdef __EMSCRIPTEN__

emscripten_set_main_loop(main_loop, 60, 0);

#else

while (1) main_loop(); sleep(1);

#endif

return 0;

}