Delete bundled copy of NSS and replace with README.

nspr/pr/src/misc/prenv.c

Index: nspr/pr/src/misc/prenv.c
diff --git a/nspr/pr/src/misc/prenv.c b/nspr/pr/src/misc/prenv.c
deleted file mode 100644
index cc2e198b97823fffaaabdc26629a493c09fbc12d..0000000000000000000000000000000000000000
--- a/nspr/pr/src/misc/prenv.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include <string.h>
-#include <stdlib.h>
-#include "primpl.h"
-#include "prmem.h"
-
-#if defined(XP_UNIX)
-#include <unistd.h>
-#if defined(DARWIN)
-#if defined(HAVE_CRT_EXTERNS_H)
-#include <crt_externs.h>
-#endif /* HAVE_CRT_EXTERNS_H */
-#else  /* DARWIN */
-PR_IMPORT_DATA(char **) environ;
-#endif /* DARWIN */
-#endif /* XP_UNIX */
-
-#if !defined(HAVE_SECURE_GETENV) && defined(HAVE___SECURE_GETENV)
-#define secure_getenv __secure_getenv
-#define HAVE_SECURE_GETENV 1
-#endif
-
-/* Lock used to lock the environment */
-#if defined(_PR_NO_PREEMPT)
-#define _PR_NEW_LOCK_ENV()
-#define _PR_DELETE_LOCK_ENV()
-#define _PR_LOCK_ENV()
-#define _PR_UNLOCK_ENV()
-#elif defined(_PR_LOCAL_THREADS_ONLY)
-extern _PRCPU * _pr_primordialCPU;
-static PRIntn _is;
-#define _PR_NEW_LOCK_ENV()
-#define _PR_DELETE_LOCK_ENV()
-#define _PR_LOCK_ENV() if (_pr_primordialCPU) _PR_INTSOFF(_is);
-#define _PR_UNLOCK_ENV() if (_pr_primordialCPU) _PR_INTSON(_is);
-#else
-static PRLock *_pr_envLock = NULL;
-#define _PR_NEW_LOCK_ENV() {_pr_envLock = PR_NewLock();}
-#define _PR_DELETE_LOCK_ENV() \
-    { if (_pr_envLock) { PR_DestroyLock(_pr_envLock); _pr_envLock = NULL; } }
-#define _PR_LOCK_ENV() { if (_pr_envLock) PR_Lock(_pr_envLock); }
-#define _PR_UNLOCK_ENV() { if (_pr_envLock) PR_Unlock(_pr_envLock); }
-#endif
-
-/************************************************************************/
-
-void _PR_InitEnv(void)
-{
-	_PR_NEW_LOCK_ENV();
-}
-
-void _PR_CleanupEnv(void)
-{
-    _PR_DELETE_LOCK_ENV();
-}
-
-PR_IMPLEMENT(char*) PR_GetEnv(const char *var)
-{
-    char *ev;
-
-    if (!_pr_initialized) _PR_ImplicitInitialization();
-
-    _PR_LOCK_ENV();
-    ev = _PR_MD_GET_ENV(var);
-    _PR_UNLOCK_ENV();
-    return ev;
-}
-
-PR_IMPLEMENT(char*) PR_GetEnvSecure(const char *var)
-{
-#ifdef HAVE_SECURE_GETENV
-  char *ev;
-
-  if (!_pr_initialized) _PR_ImplicitInitialization();
-
-  _PR_LOCK_ENV();
-  ev = secure_getenv(var);
-  _PR_UNLOCK_ENV();
-
-  return ev;
-#else
-#ifdef XP_UNIX
-  /*
-  ** Fall back to checking uids and gids.  This won't detect any other
-  ** privilege-granting mechanisms the platform may have.  This also
-  ** can't detect the case where the process already called
-  ** setuid(geteuid()) and/or setgid(getegid()).
-  */
-  if (getuid() != geteuid() || getgid() != getegid()) {
-    return NULL;
-  }
-#endif /* XP_UNIX */
-  return PR_GetEnv(var);
-#endif /* HAVE_SECURE_GETENV */
-}
-
-PR_IMPLEMENT(PRStatus) PR_SetEnv(const char *string)
-{
-    PRIntn result;
-
-    if (!_pr_initialized) _PR_ImplicitInitialization();
-
-    if (!strchr(string, '=')) return(PR_FAILURE);
-
-    _PR_LOCK_ENV();
-    result = _PR_MD_PUT_ENV((char*)string);
-    _PR_UNLOCK_ENV();
-    return result ? PR_FAILURE : PR_SUCCESS;
-}
-
-#if defined(XP_UNIX) && (!defined(DARWIN) || defined(HAVE_CRT_EXTERNS_H))
-PR_IMPLEMENT(char **) PR_DuplicateEnvironment(void)
-{
-    char **the_environ, **result, **end, **src, **dst;
-
-    _PR_LOCK_ENV();
-#ifdef DARWIN
-    the_environ = *(_NSGetEnviron());
-#else
-    the_environ = environ;
-#endif
-
-    for (end = the_environ; *end != NULL; end++)
-        /* empty loop body */;
-
-    result = (char **)PR_Malloc(sizeof(char *) * (end - the_environ + 1));
-    if (result != NULL) {
-        for (src = the_environ, dst = result; src != end; src++, dst++) {
-            size_t len;
-
-            len = strlen(*src) + 1;
-            *dst = PR_Malloc(len);
-            if (*dst == NULL) {
-              /* Allocation failed.  Must clean up the half-copied env. */
-              char **to_delete;
-
-              for (to_delete = result; to_delete != dst; to_delete++) {
-                PR_Free(*to_delete);
-              }
-              PR_Free(result);
-              result = NULL;
-              goto out;
-            }
-            memcpy(*dst, *src, len);
-        }
-        *dst = NULL;
-    }
- out:
-    _PR_UNLOCK_ENV();
-    return result;
-}
-#else
-/* This platform doesn't support raw access to the environ block. */
-PR_IMPLEMENT(char **) PR_DuplicateEnvironment(void)
-{
-    return NULL;
-}
-#endif