diff options
Diffstat (limited to 'module/hnh/util/io.scm')
| -rw-r--r-- | module/hnh/util/io.scm | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/module/hnh/util/io.scm b/module/hnh/util/io.scm index d638ebb4..d73a1de8 100644 --- a/module/hnh/util/io.scm +++ b/module/hnh/util/io.scm @@ -4,7 +4,8 @@ :export (open-input-port open-output-port read-lines - with-atomic-output-to-file)) + with-atomic-output-to-file + call-with-tmpfile)) (define (open-input-port str) (if (string=? "-" str) @@ -62,3 +63,12 @@ ;; counted on, since anything with an unspecified return ;; value might as well return #f) #f)))) + +(define* (call-with-tmpfile proc key: (tmpl "/tmp/file-XXXXXXX")) + (let* ((filename (string-copy tmpl)) + (port (mkstemp! filename))) + (with-continuation-barrier + (lambda () + (begin1 + (proc port filename) + (close-port port)))))) |