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| author | Danny Milosavljevic <dannym@scratchpost.org> | 2017-05-27 12:33:08 +0200 |
|---|---|---|
| committer | Danny Milosavljevic <dannym@scratchpost.org> | 2017-05-27 12:35:43 +0200 |
| commit | 3dba9b378223d1addac90e5846a9f191f38806af (patch) | |
| tree | 35eed5844ba99bbbc6fb932c19e44e6273b9d638 /gnu | |
| parent | dc443f5149595257780d197fcfdf07585f2e9ed2 (diff) | |
| download | gnu-guix-3dba9b378223d1addac90e5846a9f191f38806af.tar gnu-guix-3dba9b378223d1addac90e5846a9f191f38806af.tar.gz | |
gnu: build: Improve docstrings.
* gnu/build/file-systems.scm (iso9660-superblock?,
read-iso9660-superblock, iso9660-superblock-uuid): Improve docstrings.
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/build/file-systems.scm | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm index 47aa77dd3e..17c1182ce6 100644 --- a/gnu/build/file-systems.scm +++ b/gnu/build/file-systems.scm @@ -236,7 +236,7 @@ Trailing spaces are trimmed." ;; <http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-119.pdf>. (define (iso9660-superblock? sblock) - "Return #t when SBLOCK is a iso9660 superblock." + "Return #t when SBLOCK is an iso9660 volume descriptor." (bytevector=? (sub-bytevector sblock 1 6) ;; Note: "\x01" is the volume descriptor format version (string->utf8 "CD001\x01"))) @@ -252,13 +252,14 @@ Trailing spaces are trimmed." (_ (read-iso9660-primary-volume-descriptor device (+ offset 2048)))))) (define (read-iso9660-superblock device) - "Return the raw contents of DEVICE's iso9660 superblock as a bytevector, or -#f if DEVICE does not contain a iso9660 file system." + "Return the raw contents of DEVICE's iso9660 primary volume descriptor +as a bytevector, or #f if DEVICE does not contain an iso9660 file system." ;; Start reading at sector 16. (read-iso9660-primary-volume-descriptor device (* 2048 16))) (define (iso9660-superblock-uuid sblock) - "Return the modification time of a iso9660 superblock SBLOCK as a bytevector." + "Return the modification time of an iso9660 primary volume descriptor +SBLOCK as a bytevector." ;; Drops GMT offset for compatibility with Grub, blkid and /dev/disk/by-uuid. ;; Compare Grub: "2014-12-02-19-30-23-00". ;; Compare blkid result: "2014-12-02-19-30-23-00". |