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Lines 90-96
static int check_file (char *filename, i
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/* Avoiding race conditions: use of fstat makes sure that |
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/* Avoiding race conditions: use of fstat makes sure that |
| 91 |
both 'open' and 'stat' operate on the same file */ |
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both 'open' and 'stat' operate on the same file */ |
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fd = open (filename, O_RDWR); |
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fd = open (filename, O_RDWR | O_NONBLOCK); |
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if (fd == -1) |
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if (fd == -1) |
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return -1; |
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return -1; |
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Lines 247-253
int main (int argc, char **argv)
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* Make sure stderr points to a valid place |
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* Make sure stderr points to a valid place |
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*/ |
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*/ |
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close (2); |
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close (2); |
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stderr_fd = open ("/dev/tty", O_RDWR); |
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stderr_fd = open ("/dev/tty", O_RDWR | O_NONBLOCK); |
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| 252 |
/* This may well happen if program is running non-root */ |
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/* This may well happen if program is running non-root */ |
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if (stderr_fd == -1) |
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if (stderr_fd == -1) |
