static int FormatMessage(const char* format, va_list args)
{
// appends formatted message to sMessage[]
int len = ((int)strlen(sMessage));
if (len < 0 )
return -1;
if (MAX_MSG_LENGTH-1-len < 2)
return -1;
sMessage[MAX_MSG_LENGTH-1] = 0;
on_vsnprintf(sMessage+len, MAX_MSG_LENGTH-1-len, format, args);
return 0;
}
void ON_TextLog::Print( const char* format, ... )
{
// format message and append it to the log
const int MAX_MSG_LENGTH = 2047;
char s[MAX_MSG_LENGTH+1];
va_list args;
s[0] = 0;
if (format)
{
va_start(args, format);
on_vsnprintf( s, MAX_MSG_LENGTH-1, format, args);
va_end(args);
s[MAX_MSG_LENGTH] = 0;
}
if ( *s )
{
char* s0 = s;
char* s1 = s;
for ( s1 = s0; *s1; s1++) {
if ( *s1 == '\n' ) {
*s1 = 0;
if ( m_beginning_of_line && m_indent && m_indent[0] )
AppendText( m_indent );
if (*s0)
AppendText(s0);
AppendText("\n");
m_beginning_of_line = 1;
s0 = s1+1;
}
}
if (*s0) {
if ( m_beginning_of_line && m_indent && m_indent[0] )
AppendText( m_indent );
AppendText(s0);
m_beginning_of_line = 0;
}
}
}
void ON_MSC_CDECL ON_String::Format( const unsigned char* sFormat, ...)
{
#define MAX_MSG_LENGTH 2048
char sMessage[MAX_MSG_LENGTH];
va_list args;
/* put formatted message in sMessage */
memset(sMessage,0,sizeof(sMessage));
if (sFormat) {
va_start(args, sFormat);
on_vsnprintf(sMessage, MAX_MSG_LENGTH-1, (const char*)sFormat, args);
sMessage[MAX_MSG_LENGTH-1] = 0;
va_end(args);
}
const int len = Length(sMessage);
if ( len < 1 ) {
Destroy();
Create();
}
else {
ReserveArray( len );
CopyToArray( len, sMessage );
}
}