From: olegsidorkin <olegsidorkin@users.noreply.github.com>
Date: Mon, 16 May 2022 19:21:52 +0000 (+0300)
Subject: fix: Fix crash with empty include filename in preprocessor output (#1075)
X-Git-Tag: v4.6.2~41
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=eb57a6bec5299781156f77b80bce0c497cfee9d5;p=thirdparty%2Fccache.git

fix: Fix crash with empty include filename in preprocessor output (#1075)
---

diff --git a/src/ccache.cpp b/src/ccache.cpp
index 5316d20e1..b0c27d064 100644
--- a/src/ccache.cpp
+++ b/src/ccache.cpp
@@ -539,6 +539,10 @@ process_preprocessed_file(Context& ctx, Hash& hash, const std::string& path)
       while (q < end && *q != '"') {
         q++;
       }
+      if (p == q) {
+        // Skip empty file name.
+        continue;
+      }
       // Look for preprocessor flags, after the "filename".
       bool system = false;
       const char* r = q + 1;