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- /* If stdio is working correctly, after this is run infile and outfile
- will have the same contents. If the bug (found in GNU C library 0.3)
- exhibits itself, outfile will be missing the 2nd through 1023rd
- characters. */
-
- #include <ansidecl.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <unistd.h>
-
- static char buf[8192];
-
- int
- DEFUN_VOID(main)
- {
- FILE *in;
- FILE *out;
- static char inname[] = "infile";
- static char outname[] = "outfile";
- int i;
-
- /* Create a test file. */
- in = fopen (inname, "w+");
- if (in == NULL)
- {
- perror (inname);
- return 1;
- }
- for (i = 0; i < 1000; ++i)
- fprintf (in, "%d\n", i);
-
- out = fopen (outname, "w");
- if (out == NULL)
- {
- perror (outname);
- return 1;
- }
- if (fseek (in, 0L, SEEK_SET) != 0)
- abort ();
- putc (getc (in), out);
- i = fread (buf, 1, sizeof (buf), in);
- if (i == 0)
- {
- perror ("fread");
- return 1;
- }
- if (fwrite (buf, 1, i, out) != i)
- {
- perror ("fwrite");
- return 1;
- }
- fclose (in);
- fclose (out);
-
- puts ("There should be no further output from this test.");
- fflush (stdout);
- execlp ("cmp", "cmp", inname, outname, (char *) NULL);
- perror ("execlp: cmp");
- exit (1);
- }
-