From: Pranav Batra <batrapranav@chromium.org>
Subject: [PATCH] Fix raw printing infinite loop and file input.

--- a/filter/foomatic-rip/foomaticrip.c
+++ b/filter/foomatic-rip/foomaticrip.c
@@ -1157,7 +1157,18 @@ int main(int argc, char** argv)
                when there is no postpipe) */
             _log("Raw printing, executing \"cat %%s\"\n\n");
             snprintf(tmp, 1024, "cat %s", postpipe->data);
+            if (strcasecmp(filename, "<STDIN>")) {
+              FILE *fh = fopen(filename, "r");
+              if (!fh) {
+                _log("Failed to open \"%s\".\n", filename);
+                fclose(stdin);
+              } else {
+                dup2(fileno(fh), 0);
+                fclose(fh);
+              }
+            }
             run_system_process("raw-printer", tmp);
+            filename = strtok_r(NULL, " ", &p);
             continue;
         }