X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=tools%2Fccanlint%2Ftests%2Freduce_features.c;h=d7f5c24209f845ae792233e53dd3c9b20d7729af;hb=9d965629977108b7dcce86f9c248be47b5928bc9;hp=de817d655aa1342da22c2228ba55ac138cd58ba8;hpb=0c3590dc33d644f73bb8587db454c491830aaf26;p=ccan

diff --git a/tools/ccanlint/tests/reduce_features.c b/tools/ccanlint/tests/reduce_features.c
index de817d65..d7f5c242 100644
--- a/tools/ccanlint/tests/reduce_features.c
+++ b/tools/ccanlint/tests/reduce_features.c
@@ -121,6 +121,9 @@ static struct htable_option *get_config_options(struct manifest *m)
 		/* Don't override endian... */
 		if (strends(sym, "_ENDIAN"))
 			continue;
+		/* Don't override HAVE_STRUCT_TIMESPEC. */
+		if (streq(sym, "HAVE_STRUCT_TIMESPEC"))
+			continue;
 		if (!get_token(&lines[i], "1"))
 			continue;
 		htable_option_add(opts, sym);
@@ -129,7 +132,6 @@ static struct htable_option *get_config_options(struct manifest *m)
 }
 
 static void do_reduce_features(struct manifest *m,
-			       bool keep,
 			       unsigned int *timeleft, struct score *score)
 {
 	struct htable_option *options_used, *options_avail, *options;
@@ -173,10 +175,10 @@ static void do_reduce_features(struct manifest *m,
 		hdr = talloc_asprintf_append
 			(hdr, "#undef %s\n#define %s 0\n", sym, sym);
 	}
-	if (mkdir("reduced-features", 0700) != 0)
+	if (mkdir("reduced-features", 0700) != 0 && errno != EEXIST)
 		err(1, "Creating reduced-features directory");
 
-	fd = open("reduced-features/config.h", O_EXCL|O_CREAT|O_RDWR, 0600);
+	fd = open("reduced-features/config.h", O_TRUNC|O_CREAT|O_RDWR, 0600);
 	if (fd < 0)
 		err(1, "Creating reduced-features/config.h");
 	if (!write_all(fd, hdr, strlen(hdr)))