69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
/* Special Conformance Test 17.3.0.2: Verification of buffering facility */
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/* setvbuf using line buffering. */
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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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/* 2 lines: all good people are here */
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/* ...and maybe some 'bad' ones, too */
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#include <stdio.h>
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#include <string.h>
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int main (void)
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{
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FILE *f1; /* file pointer */
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char buf [80]; /* buffer */
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int i, j;
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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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i = setvbuf (f1, buf, _IOLBF, 80); /* allocate write buffer for file */
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if (i)
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goto Fail2;
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i = fputs ("all good people are here\n", f1); /* write 1 line to the file */
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if (i)
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goto Fail3;
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if (strncmp (buf, "all good people are here", 24)) /* check buffer */
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goto Fail; /* contents */
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i = fputs ("...and maybe some 'bad' ones, too\n", f1);/* write 1 more line */
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if (i) /* to the file */
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goto Fail3;
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/* Check buffer contents again */
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if (strncmp (buf, "...and maybe some 'bad' ones, too", 33))
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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 Fail4;
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printf ("Passed Special Conformance Test 17.3.0.2\n");
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return 0;
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Fail:
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printf ("Failed Special Conformance Test 17.3.0.2\n");
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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 17.3.0.2\n");
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return 0;
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Fail2:
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printf ("Could not allocate buffer for Special Conformance Test 17.3.0.2\n");
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return 0;
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Fail3:
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printf ("Could not write to file for Special Conformance Test 17.3.0.2\n");
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return 0;
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Fail4:
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printf ("Could not close file for Special Conformance Test 17.3.0.2\n");
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return 0;
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}
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