ORCA-C/Tests/Conformance/C17.16.0.1.CC

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/* Conformance Test 17.16.0.1: Verification of tmpfile function */
#include <stdio.h>
struct S { int i;
float f;
char c; };
main ()
{
struct S s [3] = { 1, 1.0, 'a', 2, 2.0, 'b', 3, 3.0, 'c' };
struct S buff [3];
FILE *f1, *f2, *f3;
int i;
/* Create 3 temp files and write the elements to the files. */
f1 = tmpfile ();
if (f1 == NULL)
goto Fail1;
i = fwrite ((void *) s, sizeof (struct S), 3, f1);
if (i != 3)
goto Fail;
f2 = tmpfile ();
if (f2 == NULL)
goto Fail1;
i = fwrite ((void *) s, sizeof (struct S), 3, f2);
if (i != 3)
goto Fail;
f3 = tmpfile ();
if (f3 == NULL)
goto Fail1;
i = fwrite ((void *) s, sizeof (struct S), 3, f3);
if (i != 3)
goto Fail;
/* Read the elements from the files. */
rewind (f1);
i = fread ((void *) buff, sizeof (struct S), 3, f1);
if (i != 3)
goto Fail;
if ((s [0].i != 1) || (s [1].i != 2) || (s [2].i != 3))
goto Fail;
if ((s [0].f != 1.0) || (s [1].f != 2.0) || (s [2].f != 3.0))
goto Fail;
if ((s [0].c != 'a') || (s [1].c != 'b') || (s [2].c != 'c'))
goto Fail;
rewind (f2);
i = fread ((void *) buff, sizeof (struct S), 3, f2);
if (i != 3)
goto Fail;
if ((s [0].i != 1) || (s [1].i != 2) || (s [2].i != 3))
goto Fail;
if ((s [0].f != 1.0) || (s [1].f != 2.0) || (s [2].f != 3.0))
goto Fail;
if ((s [0].c != 'a') || (s [1].c != 'b') || (s [2].c != 'c'))
goto Fail;
rewind (f2);
i = fread ((void *) buff, sizeof (struct S), 3, f2);
if (i != 3)
goto Fail;
if ((s [0].i != 1) || (s [1].i != 2) || (s [2].i != 3))
goto Fail;
if ((s [0].f != 1.0) || (s [1].f != 2.0) || (s [2].f != 3.0))
goto Fail;
if ((s [0].c != 'a') || (s [1].c != 'b') || (s [2].c != 'c'))
goto Fail;
i = fclose (f1); /* close the files and quit */
if (i == EOF)
goto Fail2;
i = fclose (f2);
if (i == EOF)
goto Fail2;
i = fclose (f3);
if (i == EOF)
goto Fail2;
printf ("Passed Conformance Test 17.16.0.1\n");
return;
Fail:
printf ("Failed Conformance Test 17.16.0.1\n");
return;
Fail1:
printf ("Unable to open temp file for Conformance Test 17.16.0.1\n");
return;
Fail2:
printf ("Unable to close output file for Conformance Test 17.16.0.1\n");
return;
}