X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Fdepends.c;h=16f7cb69777cf733f73dda0e2358b2d32308bfb6;hp=870f1e49dd7618073a6b97762c799f819698a891;hb=a209c6d5be264dc0fc64cea6f9e750d44deaf157;hpb=c67c37e8d251b77cd6827ebfaae6f298f1a7b81a

diff --git a/tools/depends.c b/tools/depends.c
index 870f1e49..16f7cb69 100644
--- a/tools/depends.c
+++ b/tools/depends.c
@@ -1,5 +1,5 @@
-#include <ccan/talloc/talloc.h>
 #include <ccan/str/str.h>
+#include <ccan/talloc/talloc.h>
 #include <ccan/grab_file/grab_file.h>
 #include <ccan/str_talloc/str_talloc.h>
 #include <ccan/read_write_all/read_write_all.h>
@@ -13,7 +13,7 @@
 #include <errno.h>
 
 static char ** __attribute__((format(printf, 2, 3)))
-lines_from_cmd(const void *ctx, char *format, ...)
+lines_from_cmd(const void *ctx, const char *format, ...)
 {
 	va_list ap;
 	char *cmd, *buffer;
@@ -59,7 +59,8 @@ static char *compile_info(const void *ctx, const char *dir)
 		return NULL;
 
 	ccandir = talloc_dirname(ctx, dir);
-	*strrchr(ccandir, '/') = '\0';
+	if (strrchr(ccandir, '/'))
+		*strrchr(ccandir, '/') = '\0';
 
 	compiled = maybe_temp_file(ctx, "", false, "info");
 	if (compile_and_link(ctx, info_c_file, ccandir, "",