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28 lines
544 B
C
28 lines
544 B
C
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/* Test for bug in fflush synchronization behavior. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main (void)
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{
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FILE *f;
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off_t o;
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char buffer [1024];
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system ("echo 'From foo@bar.com' > test");
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f = fopen ("test", "r");
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fseek (f, 0, SEEK_END);
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o = ftello (f);
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fseek (f, 0, SEEK_SET);
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fflush (f);
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system ("echo 'From bar@baz.edu' >> test");
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fseek (f, o, SEEK_SET);
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if (fgets (buffer, 1024, f) == NULL)
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abort ();
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if (strncmp (buffer, "From ", 5) != 0)
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abort ();
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fclose (f);
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exit (0);
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}
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