Add more const type qualifiers to GAS sources.

[deliverable/binutils-gdb.git] / gas / input-file.c

diff --git a/gas/input-file.c b/gas/input-file.c
index 08ffa46b6d998019188e40aa8d4b6785a35892da..a3dcd9d2f89c291382368706ce0ee51c65bef223 100644 (file)
--- a/gas/input-file.c
+++ b/gas/input-file.c
@@ -42,13 +42,13 @@ int preprocess = 0;
 /* We use static data: the data area is not sharable.  */
 
 static FILE *f_in;
-static char *file_name;
+static const char *file_name;
 
 /* Struct for saving the state of this module for file includes.  */
 struct saved_file
   {
     FILE * f_in;
-    char * file_name;
+    const char * file_name;
     int    preprocess;
     char * app_save;
   };
@@ -111,8 +111,10 @@ input_file_pop (char *arg)
   free (arg);
 }
 \f
+/* Open the specified file, "" means stdin.  Filename must not be null.  */
+
 void
-input_file_open (char *filename, /* "" means use stdin. Must not be 0.  */
+input_file_open (const char *filename,
                 int pre)
 {
   int c;