From: Juan Manuel Guerrero <juan.guerrero@gmx.de>
Date: Thu, 21 Feb 2002 12:13:50 +0000 (+0000)
Subject: DJGPP spicific: NULL pointer fix
X-Git-Tag: BISON-1_33a~4
X-Git-Url: https://git.saurik.com/bison.git/commitdiff_plain/48dccdf81aa177999777af788c0bfa551b1b6665

DJGPP spicific: NULL pointer fix
---

diff --git a/ChangeLog b/ChangeLog
index 21df4c53..661e9ca8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-02-21  Guerrero, Juan Manuel  <st001906@hrz1.hrz.tu-darmstadt.de>
+
+	* src/getargs.c [AS_FILE_NAME] [__DJGPP__]: New macro STRLWR.
+	Check that no NULL pointer is passed to strlwr.
+
 2002-02-14  Paul Eggert  <eggert@twinsun.com>
 
 	Remove the support for C++ namespace cleanliness; it was
diff --git a/src/getargs.c b/src/getargs.c
index 02cfb845..0565b066 100644
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -165,7 +165,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 #ifdef MSDOS
 # if defined (__DJGPP__)
 /* Windows 9X and successors are case sensitive. */
-#  define AS_FILE_NAME(File) ((pathconf ((File), _PC_NAME_MAX) > 12) ? (File) : (strlwr (File), (File)))
+#  define STRLWR(String)     ((String) ? (strlwr (String), (String)) : (String))
+#  define AS_FILE_NAME(File) ((pathconf ((File), _PC_NAME_MAX) > 12) ? (File) : STRLWR (File))
 # else
 #  define AS_FILE_NAME(File) (strlwr (File), (File))
 # endif