tprintf.cpp File Reference

#include <cstdio>
#include <cstdarg>
#include "ccutil.h"
#include "params.h"
#include "strngs.h"
#include "tprintf.h"

Go to the source code of this file.

Macros
#define	MAX_MSG_LEN   65536

Functions
DLLSYM void	tprintf (const char *format,...)

Macro Definition Documentation

MAX_MSG_LEN

#define MAX_MSG_LEN   65536

Definition at line 32 of file tprintf.cpp.

Function Documentation

tprintf()

DLLSYM void tprintf	(	const char *	format,
			...
	)

Definition at line 37 of file tprintf.cpp.

{
  tesseract::tprintfMutex.Lock();
  va_list args;                  // variable args
  static FILE *debugfp = nullptr;   // debug file
                                 // debug window
  int32_t offset = 0;              // into message
  static char msg[MAX_MSG_LEN + 1];

  va_start(args, format);  // variable list
  // Format into msg
  #ifdef _WIN32
  offset += _vsnprintf(msg + offset, MAX_MSG_LEN - offset, format, args);
  if (strcmp(debug_file.string(), "/dev/null") == 0)
    debug_file.set_value("nul");
  #else
  offset += vsnprintf(msg + offset, MAX_MSG_LEN - offset, format, args);
  #endif
  va_end(args);

  if (debugfp == nullptr && strlen(debug_file.string()) > 0) {
    debugfp = fopen(debug_file.string(), "wb");
  } else if (debugfp != nullptr && strlen(debug_file.string()) == 0) {
    fclose(debugfp);
    debugfp = nullptr;
  }
  if (debugfp != nullptr)
    fprintf(debugfp, "%s", msg);
  else
    fprintf(stderr, "%s", msg);
  tesseract::tprintfMutex.Unlock();
}