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Initial code release
[external/syslinux.git]
/
com32
/
lib
/
sys
/
screensize.c
1
#include <unistd.h>
2
#include <errno.h>
3
#include "file.h"
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int getscreensize(int fd, int *rows, int *cols)
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{
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struct file_info *fp = &__file_info[fd];
8
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if (fd >= NFILES || !fp->iop) {
10
errno = EBADF;
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return -1;
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}
13
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*rows = fp->o.rows;
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*cols = fp->o.cols;
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if (!rows || !cols) {
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errno = ENOTTY;
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return -1;
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}
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return 0;
23
}