sendmail/libsm/t-smstdio.c

/*
 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
 *  All rights reserved.
 *
 * By using this file, you agree to the terms and conditions set
 * forth in the LICENSE file which can be found at the top level of
 * the sendmail distribution.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <sm/gen.h>
SM_IDSTR(id, "@(#)$Id: t-smstdio.c,v 1.9 2001/03/21 18:30:41 ca Exp $")

#include <sm/io.h>
#include <sm/string.h>
#include <sm/test.h>

int
main(argc, argv)
    int argc;
    char **argv;
{
    FILE *stream;
    SM_FILE_T *fp;
    char buf[128];
    size_t n;
    static char testmsg[] = "hello, world\n";

    sm_test_begin(argc, argv,
        "test sm_io_stdioopen, smiostdin, smiostdout");

    stream = fopen("t-smstdio.1", "w");
    SM_TEST(stream != NULL);

    fp = sm_io_stdioopen(stream, "w");
    SM_TEST(fp != NULL);

    (void) sm_io_fprintf(fp, SM_TIME_DEFAULT, "%s", testmsg);
    sm_io_close(fp, SM_TIME_DEFAULT);

#if 0
    /*
    **  stream should now be closed.  This is a tricky way to test
    **  if it is still open.  Alas, it core dumps on Linux.
    */

    fprintf(stream, "oops! stream is still open!\n");
    fclose(stream);
#endif

    stream = fopen("t-smstdio.1", "r");
    SM_TEST(stream != NULL);

    fp = sm_io_stdioopen(stream, "r");
    SM_TEST(fp != NULL);

    n = sm_io_read(fp, SM_TIME_DEFAULT, buf, sizeof(buf));
    if (SM_TEST(n == strlen(testmsg)))
    {
        buf[n] = '\0';
        SM_TEST(strcmp(buf, testmsg) == 0);
    }

#if 0

    /*
    **  Copy smiostdin to smiostdout
    **  gotta think some more about how to test smiostdin and smiostdout
    */

    while ((c = sm_io_getc(smiostdin)) != SM_IO_EOF)
        sm_io_putc(smiostdout, c);
#endif

    return sm_test_end();
}