Minor parameter type and snprintf safety tweak

diff --git a/src/extension/internal/pdf-mini.h b/src/extension/internal/pdf-mini.h
index ca577443e0acad79510fdcac8c688a2d62730ee5..d12196a6dc7407d171d26bb765faa9191aca1ab3 100644 (file)
--- a/src/extension/internal/pdf-mini.h
+++ b/src/extension/internal/pdf-mini.h
@@ -151,11 +151,13 @@ long PdfFile::puts(PdfXref *table) {
     os << "xref\n";\r
     os << "0" << " " << size << "\n";\r
 \r
-    sprintf(buffer, "%010d %05d %c \n", 0, 65535, 'f');\r
+    snprintf(buffer, sizeof(buffer), "%010d %05d %c \n", 0, 65535, 'f');\r
+    buffer[sizeof(buffer)-1] = 0;\r
     os << buffer;\r
 \r
     for (i = 1; i < size; i++) {\r
-        sprintf(buffer, "%010d %05d %c \n", table->get_entry(i), 0, 'n');\r
+        snprintf(buffer, sizeof(buffer), "%010d %05d %c \n", (int)table->get_entry(i), 0, 'n');\r
+       buffer[sizeof(buffer)-1] = 0;\r
         os << buffer;\r
     }\r
 \r