1 files changed, 200 insertions, 0 deletions
diff --git a/mozilla/security/nss/lib/base/libc.c b/mozilla/security/nss/lib/base/libc.c
new file mode 100644
index 0000000..14d49fd
--- /dev/null
+++ b/mozilla/security/nss/lib/base/libc.c
@@ -0,0 +1,200 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape security libraries.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1994-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifdef DEBUG
+static const char CVS_ID[] = "@(#) $RCSfile: libc.c,v $ $Revision: 1.3 $ $Date: 2005/01/20 02:25:45 $";
+#endif /* DEBUG */
+
+/*
+ * libc.c
+ *
+ * This file contains our wrappers/reimplementations for "standard" 
+ * libc functions.  Things like "memcpy."  We add to this as we need 
+ * it.  Oh, and let's keep it in alphabetical order, should it ever 
+ * get large.  Most string/character stuff should be in utf8.c, not 
+ * here.  This file (and maybe utf8.c) should be the only ones in
+ * NSS to include files with angle brackets.
+ */
+
+#ifndef BASE_H
+#include "base.h"
+#endif /* BASE_H */
+
+#include <string.h> /* memcpy, memset */
+
+/*
+ * nsslibc_memcpy
+ * nsslibc_memset
+ * nsslibc_offsetof
+ * nsslibc_memequal
+ */
+
+/*
+ * nsslibc_memcpy
+ *
+ * Errors:
+ *  NSS_ERROR_INVALID_POINTER
+ *
+ * Return value:
+ *  NULL on error
+ *  The destination pointer on success
+ */
+
+NSS_IMPLEMENT void *
+nsslibc_memcpy
+(
+  void *dest,
+  const void *source,
+  PRUint32 n
+)
+{
+#ifdef NSSDEBUG
+  if( ((void *)NULL == dest) || ((const void *)NULL == source) ) {
+    nss_SetError(NSS_ERROR_INVALID_POINTER);
+    return (void *)NULL;
+  }
+#endif /* NSSDEBUG */
+
+  return memcpy(dest, source, (size_t)n);
+}
+
+/*
+ * nsslibc_memset
+ *
+ * Errors:
+ *  NSS_ERROR_INVALID_POINTER
+ *
+ * Return value:
+ *  NULL on error
+ *  The destination pointer on success
+ */
+
+NSS_IMPLEMENT void *
+nsslibc_memset
+(
+  void *dest,
+  PRUint8 byte,
+  PRUint32 n
+)
+{
+#ifdef NSSDEBUG
+  if( ((void *)NULL == dest) ) {
+    nss_SetError(NSS_ERROR_INVALID_POINTER);
+    return (void *)NULL;
+  }
+#endif /* NSSDEBUG */
+
+  return memset(dest, (int)byte, (size_t)n);
+}
+
+/*
+ * nsslibc_memequal
+ *
+ * Errors:
+ *  NSS_ERROR_INVALID_POINTER
+ *
+ * Return value:
+ *  PR_TRUE if they match
+ *  PR_FALSE if they don't
+ *  PR_FALSE upon error
+ */
+
+NSS_IMPLEMENT PRBool
+nsslibc_memequal
+(
+  const void *a,
+  const void *b,
+  PRUint32 len,
+  PRStatus *statusOpt
+)
+{
+#ifdef NSSDEBUG
+  if( (((void *)NULL == a) || ((void *)NULL == b)) ) {
+    nss_SetError(NSS_ERROR_INVALID_POINTER);
+    if( (PRStatus *)NULL != statusOpt ) {
+      *statusOpt = PR_FAILURE;
+    }
+    return PR_FALSE;
+  }
+#endif /* NSSDEBUG */
+
+  if( (PRStatus *)NULL != statusOpt ) {
+    *statusOpt = PR_SUCCESS;
+  }
+
+  if( 0 == memcmp(a, b, len) ) {
+    return PR_TRUE;
+  } else {
+    return PR_FALSE;
+  }
+}
+
+/*
+ * nsslibc_memcmp
+ */
+
+NSS_IMPLEMENT PRInt32
+nsslibc_memcmp
+(
+  const void *a,
+  const void *b,
+  PRUint32 len,
+  PRStatus *statusOpt
+)
+{
+  int v;
+
+#ifdef NSSDEBUG
+  if( (((void *)NULL == a) || ((void *)NULL == b)) ) {
+    nss_SetError(NSS_ERROR_INVALID_POINTER);
+    if( (PRStatus *)NULL != statusOpt ) {
+      *statusOpt = PR_FAILURE;
+    }
+    return -2;
+  }
+#endif /* NSSDEBUG */
+
+  if( (PRStatus *)NULL != statusOpt ) {
+    *statusOpt = PR_SUCCESS;
+  }
+
+  v = memcmp(a, b, len);
+  return (PRInt32)v;
+}
+
+/*
+ * offsetof is a preprocessor definition
+ */