+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);
+}
+