// File: crn_platform.cpp
// See Copyright Notice and license at the end of inc/crnlib.h
#include "crn_core.h"

#if CRNLIB_USE_WIN32_API
#include "crn_winhdr.h"
#endif
#ifndef _MSC_VER
int sprintf_s(char *buffer, size_t sizeOfBuffer, const char *format, ...)
{
   if (!sizeOfBuffer)
      return 0;

   va_list args;
   va_start(args, format);
   int c = vsnprintf(buffer, sizeOfBuffer, format, args);
   va_end(args);

   buffer[sizeOfBuffer - 1] = '\0';

   if (c < 0)
      return sizeOfBuffer - 1;

   return CRNLIB_MIN(c, (int)sizeOfBuffer - 1);
}

int vsprintf_s(char *buffer, size_t sizeOfBuffer, const char *format, va_list args)
{
   if (!sizeOfBuffer)
      return 0;

   int c = vsnprintf(buffer, sizeOfBuffer, format, args);

   buffer[sizeOfBuffer - 1] = '\0';

   if (c < 0)
      return sizeOfBuffer - 1;

   return CRNLIB_MIN(c, (int)sizeOfBuffer - 1);
}

char* strlwr(char* p)
{
   char *q = p;
   while (*q)
   {
      char c = *q;
      *q++ = tolower(c);
   }
   return p;
}

char* strupr(char *p)
{
   char *q = p;
   while (*q)
   {
      char c = *q;
      *q++ = toupper(c);
   }
   return p;
}
#endif // __GNUC__

void crnlib_debug_break(void)
{
   CRNLIB_BREAKPOINT
}

#if CRNLIB_USE_WIN32_API
#include "crn_winhdr.h"

bool crnlib_is_debugger_present(void)
{
   return IsDebuggerPresent() != 0;
}

void crnlib_output_debug_string(const char* p)
{
   OutputDebugStringA(p);
}
#else
bool crnlib_is_debugger_present(void)
{
   return false;
}

void crnlib_output_debug_string(const char* p)
{
   puts(p);
}
#endif // CRNLIB_USE_WIN32_API