diff options
Diffstat (limited to 'guix/zlib.scm')
| -rw-r--r-- | guix/zlib.scm | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/guix/zlib.scm b/guix/zlib.scm index 51e5e9e426..40f5294ceb 100644 --- a/guix/zlib.scm +++ b/guix/zlib.scm @@ -92,7 +92,8 @@ closes FD." (let ((proc (zlib-procedure int "gzread" (list '* '* unsigned-int)))) (lambda* (gzfile bv #:optional (start 0) (count (bytevector-length bv))) "Read up to COUNT bytes from GZFILE into BV at offset START. Return the -number of uncompressed bytes actually read." +number of uncompressed bytes actually read; it is zero if COUNT is zero or if +the end-of-stream has been reached." (let ((ret (proc (gzip-file->pointer gzfile) (bytevector->pointer bv start) count))) @@ -172,7 +173,6 @@ buffer increases decompression speed." (gzdopen (fileno port) "r")) (define (read! bv start count) - ;; XXX: Can 'gzread!' return zero even though we haven't reached the EOF? (gzread! gzfile bv start count)) (unless (= buffer-size %default-buffer-size) |