From cdc701ea48207b16fd181cac3c74172c6db483ed Mon Sep 17 00:00:00 2001 From: Danny Milosavljevic Date: Wed, 31 May 2017 19:38:49 +0200 Subject: gnu: build: Improve comments. * gnu/build/file-systems.scm (iso9660-superblock-volume-name): Add clarifying comment. --- gnu/build/file-systems.scm | 1 + 1 file changed, 1 insertion(+) (limited to 'gnu/build/file-systems.scm') diff --git a/gnu/build/file-systems.scm b/gnu/build/file-systems.scm index 17c1182ce6..3b831c0ec0 100644 --- a/gnu/build/file-systems.scm +++ b/gnu/build/file-systems.scm @@ -283,6 +283,7 @@ SBLOCK as a bytevector." (define (iso9660-superblock-volume-name sblock) "Return the volume name of SBLOCK as a string. The volume name is an ASCII string. Trailing spaces are trimmed." + ;; Note: Valid characters are of the set "[0-9][A-Z]_" (ECMA-119 Appendix A) (string-trim-right (latin1->string (sub-bytevector sblock 40 32) (lambda (c) #f)) #\space)) -- cgit v1.2.3