xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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textconv.c (4128B)

      1 /*
      2  *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
      3  *
      4  *Permission is hereby granted, free of charge, to any person obtaining
      5  * a copy of this software and associated documentation files (the
      6  *"Software"), to deal in the Software without restriction, including
      7  *without limitation the rights to use, copy, modify, merge, publish,
      8  *distribute, sublicense, and/or sell copies of the Software, and to
      9  *permit persons to whom the Software is furnished to do so, subject to
     10  *the following conditions:
     11  *
     12  *The above copyright notice and this permission notice shall be
     13  *included in all copies or substantial portions of the Software.
     14  *
     15  *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     16  *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     17  *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     18  *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
     19  *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
     20  *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     21  *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     22  *
     23  *Except as contained in this notice, the name of Harold L Hunt II
     24  *shall not be used in advertising or otherwise to promote the sale, use
     25  *or other dealings in this Software without prior written authorization
     26  *from Harold L Hunt II.
     27  *
     28  * Authors:	Harold L Hunt II
     29  */
     30 
     31 #ifdef HAVE_XWIN_CONFIG_H
     32 #include <xwin-config.h>
     33 #endif
     34 
     35 #include <stdlib.h>
     36 #include "internal.h"
     37 
     38 /*
     39  * Convert \r\n to \n
     40  *
     41  * NOTE: This was heavily inspired by, Cygwin's
     42  * winsup/cygwin/fhandler.cc/fhandler_base::read ()
     43  */
     44 
     45 void
     46 winClipboardDOStoUNIX(char *pszSrc, int iLength)
     47 {
     48     char *pszDest = pszSrc;
     49     char *pszEnd = pszSrc + iLength;
     50 
     51     /* Loop until the last character */
     52     while (pszSrc < pszEnd) {
     53         /* Copy the current source character to current destination character */
     54         *pszDest = *pszSrc;
     55 
     56         /* Advance to the next source character */
     57         pszSrc++;
     58 
     59         /* Don't advance the destination character if we need to drop an \r */
     60         if (*pszDest != '\r' || *pszSrc != '\n')
     61             pszDest++;
     62     }
     63 
     64     /* Move the terminating null */
     65     *pszDest = '\0';
     66 }
     67 
     68 /*
     69  * Convert \n to \r\n
     70  */
     71 
     72 void
     73 winClipboardUNIXtoDOS(char **ppszData, int iLength)
     74 {
     75     int iNewlineCount = 0;
     76     char *pszSrc = *ppszData;
     77     char *pszEnd = pszSrc + iLength;
     78     char *pszDest = NULL, *pszDestBegin = NULL;
     79 
     80     winDebug("UNIXtoDOS () - Original data:'%s'\n", *ppszData);
     81 
     82     /* Count \n characters without leading \r */
     83     while (pszSrc < pszEnd) {
     84         /* Skip ahead two character if found set of \r\n */
     85         if (*pszSrc == '\r' && pszSrc + 1 < pszEnd && *(pszSrc + 1) == '\n') {
     86             pszSrc += 2;
     87             continue;
     88         }
     89 
     90         /* Increment the count if found naked \n */
     91         if (*pszSrc == '\n') {
     92             iNewlineCount++;
     93         }
     94 
     95         pszSrc++;
     96     }
     97 
     98     /* Return if no naked \n's */
     99     if (iNewlineCount == 0)
    100         return;
    101 
    102     /* Allocate a new string */
    103     pszDestBegin = pszDest = malloc(iLength + iNewlineCount + 1);
    104 
    105     /* Set source pointer to beginning of data string */
    106     pszSrc = *ppszData;
    107 
    108     /* Loop through all characters in source string */
    109     while (pszSrc < pszEnd) {
    110         /* Copy line endings that are already valid */
    111         if (*pszSrc == '\r' && pszSrc + 1 < pszEnd && *(pszSrc + 1) == '\n') {
    112             *pszDest = *pszSrc;
    113             *(pszDest + 1) = *(pszSrc + 1);
    114             pszDest += 2;
    115             pszSrc += 2;
    116             continue;
    117         }
    118 
    119         /* Add \r to naked \n's */
    120         if (*pszSrc == '\n') {
    121             *pszDest = '\r';
    122             *(pszDest + 1) = *pszSrc;
    123             pszDest += 2;
    124             pszSrc += 1;
    125             continue;
    126         }
    127 
    128         /* Copy normal characters */
    129         *pszDest = *pszSrc;
    130         pszSrc++;
    131         pszDest++;
    132     }
    133 
    134     /* Put terminating null at end of new string */
    135     *pszDest = '\0';
    136 
    137     /* Swap string pointers */
    138     free(*ppszData);
    139     *ppszData = pszDestBegin;
    140 
    141     winDebug("UNIXtoDOS () - Final string:'%s'\n", pszDestBegin);
    142 }