make code more safe

git-svn-id: svn://svn.code.sf.net/p/winflexbison/code/trunk@34 da3578c4-ce5d-4d2c-aa0c-bbd0a991affc
lexxmark · Dec 24, 2012 · d26374e · d26374e
1 parent 94c8f25
commit d26374e
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Showing 4 changed files with 5 additions and 1 deletion.
diff --git a/bin/Release/README.txt b/bin/Release/README.txt
@@ -1,3 +1,7 @@
+version 2.1
+--------------
+fixed crash when execute win_bison.exe under WindowsXP (argv[0] don't have full application path)
+
 version 2.0
 --------------
 upgrade win_bison to version 2.7 and win_flex to version 2.5.37

diff --git a/bin/Release/win_bison.exe b/bin/Release/win_bison.exe
diff --git a/bin/Release/win_flex.exe b/bin/Release/win_flex.exe
diff --git a/bison/src/main.c b/bison/src/main.c
@@ -97,7 +97,7 @@ char* get_local_pkgdatadir()
 	}
 
 	if (!last_divider)
-		return 0;
+		return PKGDATADIR;
 
 	++last_divider;