diff options
Diffstat (limited to 'src/libs/xpcom18a4/nsprpub/pr/src/io/prstdio.c')
-rw-r--r-- | src/libs/xpcom18a4/nsprpub/pr/src/io/prstdio.c | 103 |
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 new file mode 100644 index 00000000..0b7ecd89 --- /dev/null +++ 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; +} |