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