X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Ftools.c;h=25917d35289244fa224652ad6f9a787a44f65919;hp=5db43df08b20ed8b45139055ee42c58d463322cc;hb=fb4c4c3ddc24772f71a64ec02d2c9ddaeb6e9f6b;hpb=1d893107b3481639bf1fc6f96972457ac6e828f7

diff --git a/tools/tools.c b/tools/tools.c
index 5db43df0..25917d35 100644
--- a/tools/tools.c
+++ b/tools/tools.c
@@ -199,6 +199,18 @@ char *temp_file(const void *ctx, const char *extension)
 	return talloc_asprintf(ctx, "%s/%u%s", tmpdir, count++, extension);
 }
 
+char *maybe_temp_file(const void *ctx, const char *extension, bool keep,
+		      const char *srcname)
+{
+	size_t baselen;
+
+	if (!keep)
+		return temp_file(ctx, extension);
+
+	baselen = strrchr(srcname, '.') - srcname;
+	return talloc_asprintf(ctx, "%.*s%s", baselen, srcname, extension);
+}
+
 bool move_file(const char *oldname, const char *newname)
 {
 	char *contents;