87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
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/*
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* Copyright (c) 2013 Sendmail, Inc. and its suppliers.
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* All rights reserved.
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the sendmail distribution.
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*/
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#include <sm/gen.h>
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SM_IDSTR(id, "@(#)$Id: t-fget.c,v 1.1 2013/03/12 15:24:50 ca Exp $")
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#include <sm/io.h>
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#include <sm/string.h>
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#include <sm/test.h>
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#include <errno.h>
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void
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check(char *msg, int l)
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{
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SM_FILE_T *wfp, *rfp;
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char buf[256];
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size_t n;
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int r, i;
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static char fn[] = "tfget";
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wfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, fn,
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SM_IO_WRONLY_B, NULL);
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SM_TEST(wfp != NULL);
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for (i = 0; i < l; i++)
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{
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r = sm_io_putc(wfp, SM_TIME_DEFAULT, msg[i]);
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SM_TEST(r >= 0);
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}
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r = sm_io_close(wfp, SM_TIME_DEFAULT);
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SM_TEST(r == 0);
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rfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, fn,
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SM_IO_RDONLY_B, NULL);
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SM_TEST(rfp != NULL);
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n = sizeof(buf);
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r = sm_io_fgets(rfp, SM_TIME_DEFAULT, buf, n);
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if (l == 0)
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{
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SM_TEST(r == -1);
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SM_TEST(errno == 0);
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}
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else
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{
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SM_TEST(r == l);
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if (r != l)
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fprintf(stderr, "buf='%s', in='%s', r=%d, l=%d\n",
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buf, msg, r, l);
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}
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SM_TEST(memcmp(buf, msg, l) == 0);
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r = sm_io_close(rfp, SM_TIME_DEFAULT);
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SM_TEST(r == 0);
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}
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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char res[256];
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int l;
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sm_test_begin(argc, argv, "test fget");
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check("", strlen(""));
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check("\n", strlen("\n"));
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check("test\n", strlen("test\n"));
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l = snprintf(res, sizeof(res), "%c%s\n", '\0', "test ing");
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check(res, l);
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l = snprintf(res, sizeof(res), "%c%s%c\n", '\0', "test ing", '\0');
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check(res, l);
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l = snprintf(res, sizeof(res), "%c%s%c%s\n",
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'\0', "test ing", '\0', "eol");
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check(res, l);
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return sm_test_end();
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}
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