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7f38edf367
2004-03-31 Tor Lillqvist <tml@iki.fi> * tests/spawn-test-win32-gui.c: Minor Cygwin fix. (#138405, Roger Leigh)
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
#include <windows.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#ifdef __CYGWIN__
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/* For read() and write() */
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#include <unistd.h>
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/* Cygwin does not prototype __argc and __argv in stdlib.h */
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extern int __argc;
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extern char** __argv;
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#endif
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int _stdcall
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WinMain (struct HINSTANCE__ *hInstance,
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struct HINSTANCE__ *hPrevInstance,
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char *lpszCmdLine,
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int nCmdShow)
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{
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char buf[100];
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if (__argc >= 2 && strcmp (__argv[1], "nop") == 0)
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{
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sprintf (buf, "spawn-test-win32-gui: argv[0]=\"%s\"", __argv[0]);
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MessageBox (NULL, buf, lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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}
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else if (__argc <= 2)
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{
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MessageBox (NULL, "spawn-test-win32-gui: Will write to stdout",
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lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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printf ("This is stdout\n");
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fflush (stdout);
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MessageBox (NULL, "spawn-test-win32-gui: Will write to stderr",
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lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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fprintf (stderr, "This is stderr\n");
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fflush (stderr);
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}
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else if (__argc == 4 && strcmp (__argv[1], "pipes") == 0)
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{
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int infd = atoi (__argv[2]);
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int outfd = atoi (__argv[3]);
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int k, n;
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if (infd < 0 || outfd < 0)
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{
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MessageBox (NULL, "spawn-test-win32-gui: illegal fds on command line",
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lpszCmdLine, MB_ICONERROR|MB_SYSTEMMODAL);
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exit (1);
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}
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MessageBox (NULL, "spawn-test-win32-gui: Will write to parent",
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lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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n = strlen ("Hello there");
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if (write (outfd, &n, sizeof (n)) == -1 ||
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write (outfd, "Hello there", n) == -1)
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{
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sprintf (buf, "spawn-test-win32-gui: Write: %s", strerror (errno));
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MessageBox (NULL, buf, lpszCmdLine, MB_ICONERROR|MB_SYSTEMMODAL);
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exit (1);
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}
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MessageBox (NULL, "spawn-test-win32-gui: Will read from parent",
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lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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if ((k = read (infd, &n, sizeof (n))) != sizeof (n))
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{
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sprintf (buf, "spawn-test-win32-gui: Got only %d bytes, wanted %d",
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k, sizeof (n));
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MessageBox (NULL, buf, lpszCmdLine, MB_ICONERROR|MB_SYSTEMMODAL);
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exit (1);
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}
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sprintf (buf, "spawn-test-win32-gui: Parent says %d bytes to read", n);
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MessageBox (NULL, buf, lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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if ((k = read (infd, buf, n)) != n)
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{
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if (k == -1)
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sprintf (buf, "spawn-test-win32-gui: Read: %s", strerror (errno));
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else
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sprintf (buf, "spawn-test-win32-gui: Got only %d bytes", k);
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MessageBox (NULL, buf, lpszCmdLine, MB_ICONERROR|MB_SYSTEMMODAL);
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exit (1);
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}
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MessageBox (NULL, "spawn-test-win32-gui: Will write more to parent",
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lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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n = strlen ("See ya");
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if (write (outfd, &n, sizeof (n)) == -1 ||
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write (outfd, "See ya", n) == -1)
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{
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sprintf (buf, "spawn-test-win32-gui: Write: %s", strerror (errno));
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MessageBox (NULL, buf, lpszCmdLine, MB_ICONERROR|MB_SYSTEMMODAL);
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exit (1);
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}
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}
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Sleep (2000);
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MessageBox (NULL, "spawn-test-win32-gui: Done, exiting.",
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lpszCmdLine, MB_ICONINFORMATION|MB_SYSTEMMODAL);
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return 0;
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}
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