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-rw-r--r--src/libs/xpcom18a4/nsprpub/pr/src/io/prstdio.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/nsprpub/pr/src/io/prstdio.c b/src/libs/xpcom18a4/nsprpub/pr/src/io/prstdio.c
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index 00000000..0b7ecd89
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+++ b/src/libs/xpcom18a4/nsprpub/pr/src/io/prstdio.c
@@ -0,0 +1,103 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** 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 Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2000
+ * 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 ***** */
+
+#include "primpl.h"
+
+#include <string.h>
+
+/*
+** fprintf to a PRFileDesc
+*/
+PR_IMPLEMENT(PRUint32) PR_fprintf(PRFileDesc* fd, const char *fmt, ...)
+{
+ va_list ap;
+ PRUint32 rv;
+
+ va_start(ap, fmt);
+ rv = PR_vfprintf(fd, fmt, ap);
+ va_end(ap);
+ return rv;
+}
+
+PR_IMPLEMENT(PRUint32) PR_vfprintf(PRFileDesc* fd, const char *fmt, va_list ap)
+{
+ /* XXX this could be better */
+ PRUint32 rv, len;
+ char* msg = PR_vsmprintf(fmt, ap);
+ len = strlen(msg);
+#ifdef XP_OS2
+ /*
+ * OS/2 really needs a \r for every \n.
+ * In the future we should try to use scatter-gather instead of a
+ * succession of PR_Write.
+ */
+ if (isatty(PR_FileDesc2NativeHandle(fd))) {
+ PRUint32 last = 0, idx;
+ PRInt32 tmp;
+ rv = 0;
+ for (idx = 0; idx < len+1; idx++) {
+ if ((idx - last > 0) && (('\n' == msg[idx]) || (idx == len))) {
+ tmp = PR_Write(fd, msg + last, idx - last);
+ if (tmp >= 0) {
+ rv += tmp;
+ }
+ last = idx;
+ }
+ /*
+ * if current character is \n, and
+ * previous character isn't \r, and
+ * next character isn't \r
+ */
+ if (('\n' == msg[idx]) &&
+ ((0 == idx) || ('\r' != msg[idx-1])) &&
+ ('\r' != msg[idx+1])) {
+ /* add extra \r */
+ tmp = PR_Write(fd, "\r", 1);
+ if (tmp >= 0) {
+ rv += tmp;
+ }
+ }
+ }
+ } else {
+ rv = PR_Write(fd, msg, len);
+ }
+#else
+ rv = PR_Write(fd, msg, len);
+#endif
+ PR_DELETE(msg);
+ return rv;
+}