Constify some commands in skip.c

gdb/ChangeLog
2017-09-27  Tom Tromey  <tom@tromey.com>

	* skip.c (skip_file_command, skip_function_command)
	(skip_enable_command, skip_disable_command, skip_delete_command):
	Constify.

2 files changed, 11 insertions, 5 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 936ff90..6317f3e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
 2017-09-27  Tom Tromey  <tom@tromey.com>
 
+	* skip.c (skip_file_command, skip_function_command)
+	(skip_enable_command, skip_disable_command, skip_delete_command):
+	Constify.
+
+2017-09-27  Tom Tromey  <tom@tromey.com>
+
 	* record-btrace.c (cmd_record_btrace_bts_start)
 	(cmd_record_btrace_pt_start): Constify.
 
diff --git a/gdb/skip.c b/gdb/skip.c
index 8db0cd5..6e82a33 100644
--- a/gdb/skip.c
+++ b/gdb/skip.c
@@ -161,7 +161,7 @@ skiplist_entry::add_entry (bool file_is_glob, std::string &&file,
 }
 
 static void
-skip_file_command (char *arg, int from_tty)
+skip_file_command (const char *arg, int from_tty)
 {
   struct symtab *symtab;
   const char *filename = NULL;
@@ -199,7 +199,7 @@ skip_function (const char *name)
 }
 
 static void
-skip_function_command (char *arg, int from_tty)
+skip_function_command (const char *arg, int from_tty)
 {
   /* Default to the current function if no argument is given.  */
   if (arg == NULL)
@@ -424,7 +424,7 @@ info_skip_command (char *arg, int from_tty)
 }
 
 static void
-skip_enable_command (char *arg, int from_tty)
+skip_enable_command (const char *arg, int from_tty)
 {
   bool found = false;
 
@@ -440,7 +440,7 @@ skip_enable_command (char *arg, int from_tty)
 }
 
 static void
-skip_disable_command (char *arg, int from_tty)
+skip_disable_command (const char *arg, int from_tty)
 {
   bool found = false;
 
@@ -456,7 +456,7 @@ skip_disable_command (char *arg, int from_tty)
 }
 
 static void
-skip_delete_command (char *arg, int from_tty)
+skip_delete_command (const char *arg, int from_tty)
 {
   bool found = false;