This makes the next step easier.
The old code used to use "path" to set the initial length of
tempfile->filename. This was not helpful because path was usually
relative whereas the value stored to filename will be absolute. So
just initialize the length to 0.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
tempfile.c | 20 +++++++++++++-------
1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/tempfile.c b/tempfile.c
index d835818..d840f04 100644
--- a/tempfile.c
+++ b/tempfile.c
@@ -85,11 +85,11 @@ static void remove_tempfiles_on_signal(int signo)
raise(signo);
}
-/* Make sure errno contains a meaningful value on error */
-int create_tempfile(struct tempfile *tempfile, const char *path)
+/*
+ * Initialize *tempfile if necessary and add it to tempfile_list.
+ */
+static void prepare_tempfile_object(struct tempfile *tempfile)
{
- size_t pathlen = strlen(path);
-
if (!tempfile_list) {
/* One-time initialization */
sigchain_push_common(remove_tempfiles_on_signal);
@@ -97,21 +97,27 @@ int create_tempfile(struct tempfile *tempfile, const char *path)
}
if (tempfile->active)
- die("BUG: create_tempfile called for active object");
+ die("BUG: prepare_tempfile_object called for active object");
if (!tempfile->on_list) {
/* Initialize *tempfile and add it to tempfile_list: */
tempfile->fd = -1;
tempfile->fp = NULL;
tempfile->active = 0;
tempfile->owner = 0;
- strbuf_init(&tempfile->filename, pathlen);
+ strbuf_init(&tempfile->filename, 0);
tempfile->next = tempfile_list;
tempfile_list = tempfile;
tempfile->on_list = 1;
} else if (tempfile->filename.len) {
/* This shouldn't happen, but better safe than sorry. */
- die("BUG: create_tempfile called for improperly-reset object");
+ die("BUG: prepare_tempfile_object called for improperly-reset object");
}
+}
+
+/* Make sure errno contains a meaningful value on error */
+int create_tempfile(struct tempfile *tempfile, const char *path)
+{
+ prepare_tempfile_object(tempfile);
strbuf_add_absolute_path(&tempfile->filename, path);
tempfile->fd = open(tempfile->filename.buf, O_RDWR | O_CREAT | O_EXCL, 0666);
--
2.5.0
--
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