Host introspection: Difference between revisions
Content added Content deleted
(J: clean up sleepy mistake) |
(→{{header|Perl}}: Switch from 'intsize' to 'uvsize', because 'byteorder' reports the byte order in a UV, and I want the size to match the byte order.) |
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Most basic example: |
Most basic example: |
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<lang perl>use Config; |
<lang perl>use Config; |
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print " |
print "UV size: $Config{uvsize}, byte order: $Config{byteorder}\n";</lang> |
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Example output: |
Example output: |
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<pre> |
<pre> |
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UV size: 4, byte order: 1234 |
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</pre> |
</pre> |
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<lang perl>use 5.010; |
<lang perl>use 5.010; |
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use Config; |
use Config; |
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my ($size, $order, $end) = @Config{qw( |
my ($size, $order, $end) = @Config{qw(uvsize byteorder)}; |
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given ($order) { |
given ($order) { |
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when (join '', sort split '') { $end = 'little' } |
when (join '', sort split '') { $end = 'little' } |
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default { $end = 'mixed' } |
default { $end = 'mixed' } |
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} |
} |
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say " |
say "UV size: $size, byte order: $order ($end-endian)";</lang> |
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Example outputs: |
Example outputs: |
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<pre> |
<pre> |
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UV size: 4, byte order: 1234 (little-endian) |
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</pre> |
</pre> |
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<pre> |
<pre> |
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UV size: 4, byte order: 3412 (mixed-endian) |
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</pre> |
</pre> |
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<pre> |
<pre> |
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UV size: 8, byte order: 87654321 (big-endian) |
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</pre> |
</pre> |
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