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dd: correct rendering of SI and IEC byte counts

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Adjust the rendering of the concise byte counts in both SI and IEC
units to better match the behavior of GNU dd.

Before this commit,

    $ head -c 1024 /dev/zero | dd > /dev/null
    2+0 records in
    2+0 records out
    1024 bytes (1 KB, 1024 B) copied, 0.0 s, 1.0 MB/s

After this commit,

    $ head -c 1024 /dev/zero | dd > /dev/null
    2+0 records in
    2+0 records out
    1024 bytes (1.0 kB, 1.0 KiB) copied, 0.0 s, 1.0 MB/s

For comparison, GNU dd produces the following:

    $ head -c 1024 /dev/zero | dd > /dev/null
    2+0 records in
    2+0 records out
    1024 bytes (1.0 kB, 1.0 KiB) copied, 0.000332864 s, 3.1 MB/s
This commit is contained in:
Jeffrey Finkelstein 2022-06-13 22:00:58 -04:00 • committed by jfinkels
parent 3880b463fe
commit 3a5b31a30f
6 changed files with 207 additions and 50 deletions
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17
Cargo.lock generated
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@ -178,16 +178,6 @@ version = "3.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "572f695136211188308f16ad2ca5c851a712c464060ae6974944458eb83880ba"
[[package]]
name = "byte-unit"
version = "4.0.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "581ad4b3d627b0c09a0ccb2912148f839acaca0b93cf54cbe42b6c674e86079c"
dependencies = [
"serde",
"utf8-width",
]
[[package]]
name = "bytecount"
version = "0.6.3"
@ -2184,12 +2174,6 @@ version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09cc8ee72d2a9becf2f2febe0205bbed8fc6615b7cb429ad062dc7b7ddd036a9"
[[package]]
name = "utf8-width"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5190c9442dcdaf0ddd50f37420417d219ae5261bbf5db120d0f9bab996c9cba1"
[[package]]
name = "uu_arch"
version = "0.0.16"
@ -2356,7 +2340,6 @@ dependencies = [
name = "uu_dd"
version = "0.0.16"
dependencies = [
"byte-unit",
"clap",
"gcd",
"libc",