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| author | Hugo Hörnquist <hugo@lysator.liu.se> | 2022-07-21 15:58:21 +0200 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2022-07-21 16:01:16 +0200 |
| commit | 322a9e0620931e39f6727c55d7c970044336c26f (patch) | |
| tree | 564823809b5e3a72bf609c5ed5df7a7818b623f5 | |
| parent | Cleanup in fetch-liu-map script. (diff) | |
| download | calp-322a9e0620931e39f6727c55d7c970044336c26f.tar.gz calp-322a9e0620931e39f6727c55d7c970044336c26f.tar.xz | |
Add call-with-tmpfile.
| -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)))))) |