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| 1 | + ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ |
| 2 | + DISKDEVIL - DEVILISHLY FAST ISO TO USB |
| 3 | + |
| 4 | + Soham S Gumaste |
| 5 | + ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ |
| 6 | + |
| 7 | + |
| 8 | +Table of Contents |
| 9 | +───────────────── |
| 10 | + |
| 11 | +1. Introduction |
| 12 | +.. 1. Installing |
| 13 | +2. FAQ |
| 14 | +.. 1. Doesn't DD already do this? |
| 15 | +.. 2. Can't you write a syscall wrapper in like 5 lines? |
| 16 | +.. 3. What's all this ./configure crap? |
| 17 | +.. 4. Why write it in Rust? |
| 18 | +.. 5. How can you get the safety of rust if theres a bunch of inline asm and everything is unsafe? |
| 19 | +3. LICENSE |
| 20 | + |
| 21 | + |
| 22 | +[https://github.com/SohamG/diskdevil/actions/workflows/tests.yml/badge.svg] |
| 23 | + |
| 24 | +―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― |
| 25 | + |
| 26 | + |
| 27 | +[https://github.com/SohamG/diskdevil/actions/workflows/tests.yml/badge.svg] |
| 28 | +<https://github.com/SohamG/diskdevil/actions/workflows/tests.yml> |
| 29 | + |
| 30 | + |
| 31 | +1 Introduction |
| 32 | +══════════════ |
| 33 | + |
| 34 | + Diskdevil is a fancy wrapper for the `sendfile64' system call on |
| 35 | + linux, enabling super fast zero-copy file transfers. Learn more about |
| 36 | + sendfile by consulting your local `man` command. |
| 37 | + |
| 38 | + |
| 39 | +1.1 Installing |
| 40 | +────────────── |
| 41 | + |
| 42 | + Grab a release tarball, and |
| 43 | + ┌──── |
| 44 | + │ ./configure && make && make install |
| 45 | + └──── |
| 46 | + You will need rust target `x86_64-unknown-none'. |
| 47 | + |
| 48 | + |
| 49 | +2 FAQ |
| 50 | +═════ |
| 51 | + |
| 52 | +2.1 Doesn't DD already do this? |
| 53 | +─────────────────────────────── |
| 54 | + |
| 55 | + Well yes, and that is the inspiration for the name |
| 56 | + _d_isk_d_evil. However, `dd' is approximately 25 centuries old and |
| 57 | + only uses read/write system calls [1]. Diskdevil does not (and |
| 58 | + probably will not) support all of the disk-destroying capabilities of |
| 59 | + `dd', but *should* be faster at what basically everyone uses `dd' for, |
| 60 | + to dump Linux ISOs to USBs. |
| 61 | + |
| 62 | + |
| 63 | +2.2 Can't you write a syscall wrapper in like 5 lines? |
| 64 | +────────────────────────────────────────────────────── |
| 65 | + |
| 66 | + Also yes, but I wanted a challege (read: procrastinate) so I decided |
| 67 | + to make it `no_std' ie no rust standard lib apart from `core', no |
| 68 | + `libc', no nothing. Just me and some inline assembly. |
| 69 | + |
| 70 | + I also wrote it _WITHOUT_ cargo for……reasons. |
| 71 | + |
| 72 | + |
| 73 | +2.3 What's all this ./configure crap? |
| 74 | +───────────────────────────────────── |
| 75 | + |
| 76 | + What's [Cargo]? |
| 77 | + |
| 78 | + |
| 79 | +[Cargo] <./Cargo.toml> |
| 80 | + |
| 81 | + |
| 82 | +2.4 Why write it in Rust? |
| 83 | +───────────────────────── |
| 84 | + |
| 85 | + The white house told me to? Safety or something. |
| 86 | + |
| 87 | + |
| 88 | +2.5 How can you get the safety of rust if theres a bunch of inline asm and everything is unsafe? |
| 89 | +──────────────────────────────────────────────────────────────────────────────────────────────── |
| 90 | + |
| 91 | + What's with all these questions? |
| 92 | + |
| 93 | + ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― |
| 94 | + |
| 95 | + |
| 96 | +3 LICENSE |
| 97 | +═════════ |
| 98 | + |
| 99 | + [GPLv3] especially the "AS-IS" and "no warranty" parts. |
| 100 | + |
| 101 | + |
| 102 | +[GPLv3] <./LICENSE> |
| 103 | + |
| 104 | + |
| 105 | + |
| 106 | +Footnotes |
| 107 | +───────── |
| 108 | + |
| 109 | +[1] : Citation needed. |
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