--- Libc/Libc-498.1.7/gen/FreeBSD/popen.c.patch
+++ Libc/Libc-391/gen/FreeBSD/popen.c.patch
@@ -1,16 +1,14 @@
---- popen.c.orig	2003-05-20 15:21:02.000000000 -0700
-+++ popen.c	2005-09-14 15:53:35.000000000 -0700
-@@ -43,7 +43,8 @@ __FBSDID("$FreeBSD: src/lib/libc/gen/pop
+--- popen.c.orig	Mon May 24 23:50:41 2004
++++ popen.c	Tue May 25 00:09:39 2004
+@@ -43,6 +43,7 @@
  #include "namespace.h"
  #include <sys/param.h>
  #include <sys/wait.h>
--
 +#include <sys/socket.h>
-+#include <wchar.h>		/* fwide() */
+ 
  #include <signal.h>
  #include <errno.h>
- #include <unistd.h>
-@@ -55,11 +56,14 @@ __FBSDID("$FreeBSD: src/lib/libc/gen/pop
+@@ -55,11 +56,14 @@
  #include "un-namespace.h"
  #include "libc_private.h"
  
@@ -26,7 +24,7 @@
  	pid_t pid;
  } *pidlist;
  static pthread_mutex_t pidlist_mutex = PTHREAD_MUTEX_INITIALIZER;
-@@ -77,20 +81,24 @@ popen(command, type)
+@@ -77,20 +81,18 @@
  	char *argv[4];
  	struct pid *p;
  
@@ -34,39 +32,24 @@
 -	 * Lite2 introduced two-way popen() pipes using _socketpair().
 -	 * FreeBSD's pipe() is bidirectional, so we use that.
 -	 */
--	if (strchr(type, '+')) {
-+	if (type == NULL) {
-+		errno = EINVAL;
-+		return (NULL);
-+	}
-+	if (strcmp(type, "r+") == 0) {
+ 	if (strchr(type, '+')) {
  		twoway = 1;
  		type = "r+";
 +		if (socketpair(AF_UNIX, SOCK_STREAM, 0, pdes) < 0)
 +			return (NULL);
  	} else  {
  		twoway = 0;
--		if ((*type != 'r' && *type != 'w') || type[1])
-+		if ((*type != 'r' && *type != 'w') || type[1]) {
-+			errno = EINVAL;
+ 		if ((*type != 'r' && *type != 'w') || type[1])
  			return (NULL);
++		if (pipe(pdes) < 0)
++			return (NULL);
  	}
- 	if (pipe(pdes) < 0)
- 		return (NULL);
-+	}
+-	if (pipe(pdes) < 0)
+-		return (NULL);
  
  	if ((cur = malloc(sizeof(struct pid))) == NULL) {
  		(void)_close(pdes[0]);
-@@ -104,7 +112,7 @@ popen(command, type)
- 	argv[3] = NULL;
- 
- 	THREAD_LOCK();
--	switch (pid = vfork()) {
-+	switch (pid = fork()) {
- 	case -1:			/* Error. */
- 		THREAD_UNLOCK();
- 		(void)_close(pdes[0]);
-@@ -138,7 +146,7 @@ popen(command, type)
+@@ -138,7 +140,7 @@
  			(void)_close(pdes[1]);
  		}
  		for (p = pidlist; p; p = p->next) {
@@ -75,7 +58,7 @@
  		}
  		_execve(_PATH_BSHELL, argv, environ);
  		_exit(127);
-@@ -149,9 +157,11 @@ popen(command, type)
+@@ -149,9 +151,11 @@
  	/* Parent; assume fdopen can't fail. */
  	if (*type == 'r') {
  		iop = fdopen(pdes[0], type);
@@ -87,12 +70,3 @@
  		(void)_close(pdes[0]);
  	}
  
-@@ -162,7 +172,7 @@ popen(command, type)
- 	cur->next = pidlist;
- 	pidlist = cur;
- 	THREAD_UNLOCK();
--
-+	fwide(iop, -1);		/* byte stream */
- 	return (iop);
- }
-