33 lines
879 B
Plaintext
33 lines
879 B
Plaintext
import stdlib/stdlib.sl
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import stdlib/io.sl
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: main
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"/etc/hostname" # (addr len)
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read_file # (file_addr file_len)
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dup 0 > if # if file_len > 0, success
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write_buf # print file contents (file_len file_addr)
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0
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exit
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end
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dup -2 == if # open() failed
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drop
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"open() failed: errno=" puts
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swap puti cr
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exit
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end
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dup -1 == if # fstat() failed
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drop
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"fstat() failed: errno=" puts
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swap puti cr
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exit
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end
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dup -3 == if # mmap() failed
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drop
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"mmap() failed" puts
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exit
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end
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"unknown read_file failure" puts
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dup # file_len file_len file_addr
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exit # Exit with returned file_len as the program exit code (debug)
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;
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