LCOV - app.info - nsprpub/pr/src/io/prstdio.c

LCOV - code coverage report
| Current view: | directory - nsprpub/pr/src/io - prstdio.c (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 13 | 0 | 0.0 %
| Date: | 2012-04-07 | Functions: | 2 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is the Netscape Portable Runtime (NSPR).
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Netscape Communications Corporation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 1998-2000
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : #include "primpl.h"
          39                 :
          40                 : #include <string.h>
          41                 :
          42                 : /*
          43                 : ** fprintf to a PRFileDesc
          44                 : */
          45               0 : PR_IMPLEMENT(PRUint32) PR_fprintf(PRFileDesc* fd, const char *fmt, ...)
          46                 : {
          47                 :     va_list ap;
          48                 :     PRUint32 rv;
          49                 :
          50               0 :     va_start(ap, fmt);
          51               0 :     rv = PR_vfprintf(fd, fmt, ap);
          52               0 :     va_end(ap);
          53               0 :     return rv;
          54                 : }
          55                 :
          56               0 : PR_IMPLEMENT(PRUint32) PR_vfprintf(PRFileDesc* fd, const char *fmt, va_list ap)
          57                 : {
          58                 :     /* XXX this could be better */
          59                 :     PRUint32 rv, len;
          60               0 :     char* msg = PR_vsmprintf(fmt, ap);
          61               0 :     if (NULL == msg) {
          62               0 :         return -1;
          63                 :     }
          64               0 :     len = strlen(msg);
          65                 : #ifdef XP_OS2
          66                 :     /*
          67                 :      * OS/2 really needs a \r for every \n.
          68                 :      * In the future we should try to use scatter-gather instead of a
          69                 :      * succession of PR_Write.
          70                 :      */
          71                 :     if (isatty(PR_FileDesc2NativeHandle(fd))) {
          72                 :         PRUint32 last = 0, idx;
          73                 :         PRInt32 tmp;
          74                 :         rv = 0;
          75                 :         for (idx = 0; idx < len+1; idx++) {
          76                 :             if ((idx - last > 0) && (('\n' == msg[idx]) || (idx == len))) {
          77                 :                 tmp = PR_Write(fd, msg + last, idx - last);
          78                 :                 if (tmp >= 0) {
          79                 :                     rv += tmp;
          80                 :                 }
          81                 :                 last = idx;
          82                 :             }
          83                 :             /*
          84                 :              * if current character is \n, and
          85                 :              * previous character isn't \r, and
          86                 :              * next character isn't \r
          87                 :              */
          88                 :             if (('\n' == msg[idx]) &&
          89                 :                 ((0 == idx) || ('\r' != msg[idx-1])) &&
          90                 :                 ('\r' != msg[idx+1])) {
          91                 :                 /* add extra \r */
          92                 :                 tmp = PR_Write(fd, "\r", 1);
          93                 :                 if (tmp >= 0) {
          94                 :                     rv += tmp;
          95                 :                 }
          96                 :             }
          97                 :         }
          98                 :     } else {
          99                 :         rv = PR_Write(fd, msg, len);
         100                 :     }
         101                 : #else
         102               0 :     rv = PR_Write(fd, msg, len);
         103                 : #endif
         104               0 :     PR_DELETE(msg);
         105               0 :     return rv;
         106                 : }

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