page: fix noseek detection for files like /dev/screen
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1 changed files with 1 additions and 1 deletions
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@ -696,7 +696,7 @@ popenfile(Page *p)
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p->open = tab[i].open;
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if(seek(fd, 0, 0) < 0)
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goto Noseek;
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if((i = read(fd, buf+n, n)) < 0)
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if((i = readn(fd, buf+n, n)) < 0)
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goto Err1;
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if(i != n || memcmp(buf, buf+n, i)){
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n += i;
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