Fix a number of warnings and small bugs in newlib glue

Author: lutoma

land/newlib/xelix/crt0.c

@@ -31,7 +31,7 @@ extern void __libc_fini_array();
 
 // These are defined as extern in sys/xelix.h
 struct _xelix_execdata* _xelix_execdata;
-char* _progname;
+const char* _progname;
 FILE* _xelix_serial = NULL;
 
 void __attribute__((fastcall, noreturn)) _start(void) {

land/newlib/xelix/inet_addr.c

@@ -94,7 +94,7 @@ inet_addr(cp)
 {
 	in_addr_t val;
 
-	if (inet_aton(cp, &val))
+	if (inet_aton(cp, (struct in_addr*)&val))
 		return (val);
 	return (INADDR_NONE);
 }

land/newlib/xelix/mntent.c

@@ -72,4 +72,5 @@ free_mem (void)
   free (getmntent_buffer);
 }
 
-text_set_element (__libc_subfreeres, free_mem);
+// FIXME
+//text_set_element (__libc_subfreeres, free_mem);

land/newlib/xelix/openpty.c

@@ -21,6 +21,7 @@
 #include <fcntl.h>
 #include <termios.h>
 #include <limits.h>
+#include <unistd.h>
 
 int openpty(int* ptm, int* pts, char *name, const struct termios* termios,
 	const struct winsize* winsize) {
@@ -31,20 +32,20 @@ int openpty(int* ptm, int* pts, char *name, const struct termios* termios,
 	}
 
 	if(ioctl(*ptm, TIOCGPTN, pts) < 0) {
-		close(ptm);
+		close(*ptm);
 		return -1;
 	}
 
 	if(termios) {
 		if(ioctl(*pts, TCSETS, termios) < 0) {
-			close(ptm);
+			close(*ptm);
 			return -1;
 		}
 	}
 
 	if(winsize) {
 		if(ioctl(*pts, TIOCSWINSZ, winsize) < 0) {
-			close(ptm);
+			close(*ptm);
 			return -1;
 		}
 	}
@@ -73,7 +74,7 @@ pid_t forkpty(int* ptm, char* name, const struct termios* termios,
 		close(pts);
 		return pid;
 	} else {
-		close(ptm);
+		close(*ptm);
 
 		// Map stdin/out to pts
 		close(1);

land/newlib/xelix/stubs.c

@@ -42,6 +42,7 @@
 #include <pthread.h>
 #include <syslog.h>
 #include <sched.h>
+#include <netdb.h>
 
 #ifdef NOISY_STUBS
 	#define STUBWARN(cmd) fprintf(stderr, "xelix-newlib: " #cmd " stub called.\n");
@@ -135,7 +136,7 @@ STUB(int, initgroups, (const char *user, gid_t group), -1);
 STUB(void, sync, (void));
 STUB(int, getsockopt, (int sockfd, int level, int optname, void* optval, socklen_t* optlen), -1);
 STUB(ssize_t, recvmsg, (int sockfd, struct msghdr *msg, int flags), -1);
-STUB(dev_t, makedev, (unsigned int maj, unsigned int min), NULL);
+STUB(dev_t, makedev, (unsigned int maj, unsigned int min), (dev_t)0);
 STUB(int, daemon, (int nochdir, int noclose), -1);
 STUB(int, seteuid, (uid_t euid), -1);
 STUB(int, setegid, (gid_t egid), -1);

land/newlib/xelix/sys/xelix.h

@@ -45,7 +45,7 @@ struct _xelix_execdata {
 };
 
 extern struct _xelix_execdata* _xelix_execdata;
-extern char* _progname;
+extern const char* _progname;
 extern FILE* _xelix_serial;
 
 int _strace(void);

land/newlib/xelix/syscalls.c

@@ -28,6 +28,7 @@
 #include <sys/select.h>
 #include <sys/errno.h>
 #include <sys/xelix.h>
+#include <sys/mman.h>
 #include <sys/utsname.h>
 #include <sys/wait.h>
 #include <netinet/in.h>
@@ -196,7 +197,7 @@ ssize_t send(int socket, const void *buffer, size_t length, int flags) {
 	return syscall(3, socket, buffer, length);
 }
 
-int _execve(char *name, char **argv, char **env) {
+int _execve(char *name, char* const argv[], char* const env[]) {
 	return syscall(32, name, argv, env);
 }