scc

commit 700201165e35131fd7c6e64e8e97f591a9724500
parent 93d75a07943f4352dfe617954341c0c7a0ffe532
Author: Quentin Rameau <quinq@fifth.space>
Date:   Sun,  4 Dec 2016 10:36:21 +0100

[driver] fix temporary object generation for old POSIX

Pre-susv4 mkstemp don't impose a filename format and don't provide
EINVAL error on which we were counting.

Diffstat:
M
driver/posix/scc.c
 | 
10
++++++----

1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/driver/posix/scc.c b/driver/posix/scc.c
@@ -163,10 +163,12 @@ outfname(char *path, char *type)
 	n = snprintf(new, newsz, "%.*s%c%s", (int)pathln, path, sep, type);
 	if (n < 0 || n >= newsz)
 		die("scc: wrong output filename");
-	if ((tmpfd = mkstemp(new)) < 0 && errno != EINVAL)
-		die("scc: could not create output file '%s': %s",
-		    new, strerror(errno));
-	close(tmpfd);
+	if (sep == '/') {
+		if ((tmpfd = mkstemp(new)) < 0)
+			die("scc: could not create output file '%s': %s",
+			    new, strerror(errno));
+		close(tmpfd);
+	}
 
 	return new;
 }