Allow an existing file to be registered with the tempfile-handling
infrastructure; in particular, arrange for it to be deleted on program
exit. This can be used if the temporary file has to be created in a
more complicated way than just open(). For example:
* If the file itself needs to be created via the lockfile API
* If it is not a regular file (e.g., a socket)
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
tempfile.c | 8 ++++++++
tempfile.h | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/tempfile.c b/tempfile.c
index 0b5d8ce..0af7ebf 100644
--- a/tempfile.c
+++ b/tempfile.c
@@ -137,6 +137,14 @@ int create_tempfile(struct tempfile *tempfile, const char
*path)
return tempfile->fd;
}
+void register_tempfile(struct tempfile *tempfile, const char *path)
+{
+ prepare_tempfile_object(tempfile);
+ strbuf_add_absolute_path(&tempfile->filename, path);
+ tempfile->owner = getpid();
+ tempfile->active = 1;
+}
+
int mks_tempfile_sm(struct tempfile *tempfile,
const char *template, int suffixlen, int mode)
{
diff --git a/tempfile.h b/tempfile.h
index a30e12c..4219fe4 100644
--- a/tempfile.h
+++ b/tempfile.h
@@ -92,6 +92,14 @@ struct tempfile {
*/
extern int create_tempfile(struct tempfile *tempfile, const char *path);
+/*
+ * Register an existing file as a tempfile, meaning that it will be
+ * deleted when the program exits. The tempfile is considered closed,
+ * but it can be worked with like any other closed tempfile (for
+ * example, it can be opened using reopen_tempfile()).
+ */
+extern void register_tempfile(struct tempfile *tempfile, const char *path);
+
/*
* mks_tempfile functions
--
2.5.0
--
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