Function msDecodeHTMLEntities

mapstring.c:1224–1293

msDecodeHTMLEntities() ** ** Modify the string to replace encoded characters by their true value ** ** The replacements performed are: ** "&amp;" -> '&', "&quot;" -> '"', "&lt;" -> '<' and "&gt;" -> '>' **/

**  "&amp;" -> '&', "&quot;" -> '"', "&lt;" -> '<' and "&gt;" -> '>'
**/
void msDecodeHTMLEntities(const char *string) 
{
    char *pszAmp=NULL, *pszSemiColon=NULL, *pszReplace=NULL, *pszEnd=NULL;
    char *pszBuffer=NULL;
    size_t bufferSize = 0;

    if(string == NULL)
        return;
    else
        pszBuffer = (char*)string;

    bufferSize = strlen(pszBuffer);
    pszReplace = (char*) msSmallMalloc(bufferSize);
    pszEnd = (char*) msSmallMalloc(bufferSize);

    while((pszAmp = strchr(pszBuffer, '&')) != NULL)
    {
        /* Get the &...; */
        strlcpy(pszReplace, pszAmp, bufferSize);
        pszSemiColon = strchr(pszReplace, ';');
        if(pszSemiColon == NULL)
            break;
        else
            pszSemiColon++;

        /* Get everything after the &...; */
        strlcpy(pszEnd, pszSemiColon, bufferSize);

        pszReplace[pszSemiColon-pszReplace] = '\0';

        /* Replace the &...; */
        if(strcasecmp(pszReplace, "&amp;") == 0)
        {
            pszBuffer[pszAmp - pszBuffer] = '&';
            pszBuffer[pszAmp - pszBuffer + 1] = '\0';
            strcat(pszBuffer, pszEnd);
        }
        else if(strcasecmp(pszReplace, "&lt;") == 0)
        {
            pszBuffer[pszAmp - pszBuffer] = '<';
            pszBuffer[pszAmp - pszBuffer + 1] = '\0';
            strcat(pszBuffer, pszEnd);
        }
        else if(strcasecmp(pszReplace, "&gt;") == 0)
        {
            pszBuffer[pszAmp - pszBuffer] = '>';
            pszBuffer[pszAmp - pszBuffer + 1] = '\0';
            strcat(pszBuffer, pszEnd);
        }
        else if(strcasecmp(pszReplace, "&quot;") == 0)
        {
            pszBuffer[pszAmp - pszBuffer] = '"';
            pszBuffer[pszAmp - pszBuffer + 1] = '\0';
            strcat(pszBuffer, pszEnd);
        }
        else if(strcasecmp(pszReplace, "&apos;") == 0)
        {
            pszBuffer[pszAmp - pszBuffer] = '\'';