PvaException::PvaException(const char* message, va_list messageArgs) :
std::exception(),
error(),
errorCode(GenericErrorCode)
{
char messageBuffer[MaxMessageLength];
epicsVsnprintf(messageBuffer, MaxMessageLength, message, messageArgs);
error = std::string(messageBuffer);
}
InvalidState::InvalidState(const char* message, ...) :
PvaException()
{
va_list messageArgs;
va_start(messageArgs, message);
char messageBuffer[MaxMessageLength];
epicsVsnprintf(messageBuffer, MaxMessageLength, message, messageArgs);
setMessage(std::string(messageBuffer));
va_end(messageArgs);
}
int epicsShareAPI epicsSnprintf (char *str, size_t len, const char *fmt, ...)
{
int rtn;
va_list pvar;
va_start (pvar, fmt);
rtn = epicsVsnprintf (str, len, fmt, pvar);
va_end (pvar);
return (rtn);
}
epicsShareFunc int epicsShareAPI epicsSnprintf(
char *str, size_t size, const char *format, ...)
{
int nchars;
va_list pvar;
va_start(pvar,format);
nchars = epicsVsnprintf(str,size,format,pvar);
va_end (pvar);
return(nchars);
}
/*
* vsnprintf with truncation message
*/
static int tvsnPrint(char *str, size_t size, const char *format, va_list ap)
{
static const char tmsg[] = "<<TRUNCATED>>\n";
int nchar = epicsVsnprintf(str, size, format ? format : "", ap);
if (nchar >= size) {
if (size > sizeof tmsg)
strcpy(str + size - sizeof tmsg, tmsg);
nchar = size - 1;
}
return nchar;
}
char *allocSNPrintf(size_t N, const char *fmt, ...)
{
char *mem = (char*)calloc(1, N);
if(!mem)
throw std::bad_alloc();
va_list args;
va_start(args, fmt);
epicsVsnprintf(mem, N, fmt, args);
va_end(args);
mem[N-1] = '\0';
return mem;
}
