* ext/pty/pty.c (raise_from_wait, pty_syswait, get_device_once):

  constified.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18053 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 3 deletions

diff --git a/ext/pty/pty.c b/ext/pty/pty.c
index 027ca7d5ae..a2cf175673 100644
--- a/ext/pty/pty.c
+++ b/ext/pty/pty.c
@@ -131,7 +131,7 @@ struct pty_info {
 };
 
 static void
-raise_from_wait(char *state, struct pty_info *info)
+raise_from_wait(const char *state, const struct pty_info *info)
 {
     char buf[1024];
     VALUE exc;
@@ -143,8 +143,9 @@ raise_from_wait(char *state, struct pty_info *info)
 }
 
 static VALUE
-pty_syswait(struct pty_info *info)
+pty_syswait(void *arg)
 {
+    const struct pty_info *const info = arg;
     rb_pid_t cpid;
     int status;
 
@@ -363,7 +364,7 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int fail)
     if (!fail) rb_raise(rb_eRuntimeError, "can't get Master/Slave device");
     return -1;
 #else
-    char **p;
+    const char *const *p;
     char MasterName[DEVICELEN];
 
     for (p = deviceNo; *p != NULL; p++) {