Re: [PATCH] sha1_file: make sure correct error is propagated

[Sam Vilain <sam@vilain.net>]

On Fri, 2008-11-14 at 08:44 +0100, Francis Galiegue wrote:
> > So, if the mkstemp() fails with EPERM, don't try to create the
> > directory - return straight away.
> Are you sure you didn't mean EACCESS?

Ah, you're right there.  Well, maybe this one should be as well:

Subject: sha1_file: accept EACCESS as equivalent to EPERM

This was testing for 'Operation not permitted' rather than any kind
of 'Permission Denied' error; prefer EACCESS.
    
Signed-off-by: Sam Vilain <sam@vilain.net>
--
  Sorry for the inevitable wrapping/whitespace fail :(

diff --git a/sha1_file.c b/sha1_file.c
index 7662330..cd422e6 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -2231,7 +2231,7 @@ static int create_tmpfile(char *buffer, size_t
bufsiz, const char *filename)
 	memcpy(buffer, filename, dirlen);
 	strcpy(buffer + dirlen, "tmp_obj_XXXXXX");
 	fd = mkstemp(buffer);
-	if (fd < 0 && dirlen && (errno != EPERM)) {
+	if (fd < 0 && dirlen && (errno != EACCESS)) {
 		/* Make sure the directory exists */
 		memcpy(buffer, filename, dirlen);
 		buffer[dirlen-1] = 0;
@@ -2257,7 +2257,7 @@ static int write_loose_object(const unsigned char
*sha1, char *hdr, int hdrlen,
 	filename = sha1_file_name(sha1);
 	fd = create_tmpfile(tmpfile, sizeof(tmpfile), filename);
 	if (fd < 0) {
-		if (errno == EPERM)
+		if (errno == EACCESS || errno == EPERM)
 			return error("insufficient permission for adding an object to
repository database %s\n", get_object_directory());
 		else
 			return error("unable to create temporary sha1 filename %s: %s\n",
tmpfile, strerror(errno));