X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/43cc2463d26364b13b776dd272170a809b2db800..55601256c2640d0ffe156cf589eabeda0e77cba3:/src/getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index dd5de7fd..910f8bfa 100644
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -159,6 +159,14 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
 | Process the options.  |
 `----------------------*/
 
+/* Under DOS, there is no difference on the case.  This can be
+   troublesome when looking for `.tab' etc.  */
+#ifdef MSDOS
+# define AS_FILE_NAME(File) (strlwr (File), (File))
+#else
+# define AS_FILE_NAME(File) (File)
+#endif
+
 void
 getargs (int argc, char *argv[])
 {
@@ -186,7 +194,7 @@ getargs (int argc, char *argv[])
       case 'g':
 	/* Here, the -g and --graph=FILE options are differentiated.  */
 	graph_flag = 1;
-	spec_graph_file = optarg;
+	spec_graph_file = AS_FILE_NAME (optarg);
 	break;
 
       case 'v':
@@ -194,13 +202,13 @@ getargs (int argc, char *argv[])
 	break;
 
       case 'S':
-	skeleton = optarg;
+	skeleton = AS_FILE_NAME (optarg);
 	break;
 
       case 'd':
 	/* Here, the -d and --defines options are differentiated.  */
 	defines_flag = 1;
-	spec_defines_file = optarg;
+	spec_defines_file = AS_FILE_NAME (optarg);
 	break;
 
       case 'l':
@@ -224,11 +232,11 @@ getargs (int argc, char *argv[])
 	break;
 
       case 'o':
-	spec_outfile = optarg;
+	spec_outfile = AS_FILE_NAME (optarg);
 	break;
 
       case 'b':
-	spec_file_prefix = optarg;
+	spec_file_prefix = AS_FILE_NAME (optarg);
 	break;
 
       case 'p':