42 lines
895 B
C
42 lines
895 B
C
#include <stdio.h>
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int
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main (int argc, char *argv[])
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{
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char buf[100];
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int result = 0;
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if (ferror (stdin) != 0)
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{
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fputs ("error bit set for stdin at startup\n", stdout);
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result = 1;
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}
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if (fgets (buf, sizeof buf, stdin) != buf)
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{
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fputs ("fgets with existing input has problem\n", stdout);
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result = 1;
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}
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if (ferror (stdin) != 0)
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{
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fputs ("error bit set for stdin after setup\n", stdout);
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result = 1;
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}
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if (fputc ('a', stdin) != EOF)
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{
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fputs ("fputc to stdin does not terminate with an error\n", stdout);
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result = 1;
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}
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if (ferror (stdin) == 0)
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{
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fputs ("error bit not set for stdin after fputc\n", stdout);
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result = 1;
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}
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clearerr (stdin);
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if (ferror (stdin) != 0)
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{
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fputs ("error bit set for stdin after clearerr\n", stdout);
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result = 1;
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}
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return result;
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}
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