64 lines
1.2 KiB
C++
64 lines
1.2 KiB
C++
/* Conformance Test 17.14.0.1: Verification of ferror and clearerr */
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#include <stdio.h>
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struct S { int i;
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float f;
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char c; };
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main ()
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{
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struct S s [3] = { 1, 1.0, 'a', 2, 2.0, 'b', 3, 3.0, 'c' };
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struct S buff [3];
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FILE *f = fopen ("3/tmp", "w+b");
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int i;
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/* Write the elements to the file. */
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if (f == NULL)
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goto Fail1;
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i = fwrite ((void *) s, sizeof (struct S), 3, f);
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if (i != 3)
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goto Fail;
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/* Cause an error to occur. */
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rewind (f);
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i = fread ((void *) buff, sizeof (struct S), 5, f);
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if (i != 3)
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goto Fail;
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i = ferror (f);
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if (i != 0)
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goto Fail;
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i = feof (f);
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if (i == 0)
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goto Fail;
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/* clear the error */
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clearerr (f);
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i = feof (f);
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if (i != 0)
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goto Fail;
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i = fclose (f); /* close the file and quit */
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if (i == EOF)
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goto Fail2;
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printf ("Passed Conformance Test 17.14.0.1\n");
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return;
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Fail:
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printf ("Failed Conformance Test 17.14.0.1\n");
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return;
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Fail1:
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printf ("Unable to open temp file for Conformance Test 17.14.0.1\n");
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return;
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Fail2:
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printf ("Unable to close output file for Conformance Test 17.14.0.1\n");
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return;
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}
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