ORCA-C/Tests/Spec.Conform/SPC17.3.0.4.CC

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/* Special Conformance Test 17.3.0.4: Verification of buffering facility */
/* setbuf. */
/* */
/* Tester needs to verify that the file 3/tmp is created and contains the */
/* following characters: ASCII $20 through $6E, plus ~ and } */
#include <stdio.h>
static char buf [BUFSIZ];
main ()
{
int count = 0;
FILE *f1; /* file pointer */
char ch;
int i, j;
long L;
count++;
f1 = fopen ("3/tmp", "w"); /* create file to work on */
if (f1 == NULL)
goto Fail1;
setbuf (f1, buf); /* allocate write buffer for file */
/* just hope it works */
for (ch = ' ', i = 0; i < 30; ch++, i++) /* write 30 chars to the file */
{
j = fputc (ch, f1);
if (j == EOF)
goto Fail2;
}
for (j = 0x20, i = 0; i < 30; i++) /* check buffer contents */
if (buf [i] != j++)
goto Fail;
count++;
for (L = 30; L < BUFSIZ; L++) /* fill buffer so that it'll */
{ /* be flushed */
j = fputc ('a', f1);
if (j == EOF)
goto Fail2;
}
j = fputc ('~', f1); /* write 1 more char to buf */
if (j == EOF) /* & then check contents */
goto Fail2;
if (buf [0] != '~')
goto Fail;
i = fclose (f1); /* close the file and quit */
if (i == EOF)
goto Fail3;
printf ("Passed Special Conformance Test 17.3.0.4\n");
return;
Fail:
printf ("Failed Special Conformance Test 17.3.0.4: count = %d\n", count);
return;
Fail1:
printf ("Could not open tmp file for Special Conformance Test 17.3.0.4\n");
return;
Fail2:
printf ("Could not write to file for Special Conformance Test 17.3.0.4\n");
return;
Fail3:
printf ("Could not close file for Special Conformance Test 17.3.0.4\n");
return;
}