From c6e8fe8125f8900f3019716aa1cfbf18ff8264bd Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sat, 28 Mar 2020 07:15:16 +0100
Subject: Add support for absolute paths in include_dirs config

---
 src/FileUtil.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/FileUtil.cpp')

diff --git a/src/FileUtil.cpp b/src/FileUtil.cpp
index a03161f..1fd86d6 100644
--- a/src/FileUtil.cpp
+++ b/src/FileUtil.cpp
@@ -178,6 +178,27 @@ namespace sibs
     }
 #endif
 
+#if OS_FAMILY == OS_FAMILY_POSIX
+    bool isPathAbsolute(const std::string &path)
+    {
+        return !path.empty() && path[0] == '/';
+    }
+#else
+    static bool isAlpha(char c)
+    {
+        return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
+    }
+
+    bool isPathAbsolute(const std::string &path)
+    {
+        if(path.size() >= 3 && isAlpha(path[0]) && path[1] == ':' && (path[2] == '\\' || path[2] == '/'))
+            return true;
+        else if(path.size() >= 4 && memcmp(path.data(), "\\\\?\\", 4) == 0)
+            return true;
+        return false;
+    }
+#endif
+
     // TODO: Handle failure (directory doesn't exist, no permission etc)
     void walkDir(const _tinydir_char_t *directory, FileWalkCallbackFunc callbackFunc)
     {
-- 
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