Warning fixes for Sparc32, Sparc64, PPC

Fix warnings that would be caused by gcc flag -Wwrite-strings and
-Wmissing-prototypes. Also fix most PPC specific warnings.


git-svn-id: svn://coreboot.org/openbios/openbios-devel@288 f158a5a8-5612-0410-a976-696ce0be7e32

fs/grubfs/fsys_xfs.c

@@ -342,9 +342,15 @@ next_dentry (xfs_ino_t *ino)
 {
 	int namelen = 1;
 	int toread;
-	static char *usual[2] = {".", ".."};
+        static char *usual[2];
 	static xfs_dir2_sf_entry_t *sfe;
-	char *name = usual[0];
+        char *name;
+
+        if (!usual[0]) {
+            usual[0] = strdup(".");
+            usual[1] = strdup("..");
+        }
+        name = usual[0];
 
 	if (xfs.dirpos >= xfs.dirmax) {
 		if (xfs.forw == 0)

fs/grubfs/grubfs_fs.c

@@ -47,7 +47,7 @@ void		(*disk_read_func) (int, int, int);
 /************************************************************************/
 
 typedef struct fsys_entry {
-	char	*name;
+        const char *name;
 	int	(*mount_func) (void);
 	int	(*read_func) (char *buf, int len);
 	int	(*dir_func) (char *dirname);
@@ -221,7 +221,7 @@ close_fs( fs_ops_t *fs )
 	/* callers responsibility to call free(fs) */
 }
 
-static char *
+static const char *
 grubfs_get_fstype( fs_ops_t *fs )
 {
 	grubfs_t *gfs = (grubfs_t*)fs->fs_data;

fs/hfsplus/hfsp_fs.c

@@ -67,7 +67,9 @@ search_files( record *par, int recursive, match_proc_t proc, const void *match_d
 	} while( ret && !record_next(&r) );
 
 	if( !ret && pt ) {
-		char name[256], *s2 = t.path ? t.path : "";
+                char name[256];
+                const char *s2 = t.path ? t.path : "";
+
 		unicode_uni2asc( name, &r.key.name, sizeof(name));
 
 		pt->rec = t.rec;
@@ -359,7 +361,7 @@ vol_name( fs_ops_t *fs, char *buf, int size )
 	return get_hfs_vol_name( fs->fd, buf, size );
 }
 
-static char *
+static const char *
 get_fstype( fs_ops_t *fs )
 {
 	return ("HFS+");