Function ilIsValidJpeg

DevIL/src-IL/src/il_jpeg.cpp:102–127

Checks if the file specified in FileName is a valid .jpg file.

//! Checks if the file specified in FileName is a valid .jpg file.
ILboolean ilIsValidJpeg(ILconst_string FileName)
{
	ILHANDLE	JpegFile;
	ILboolean	bJpeg = IL_FALSE;

	if (!iCheckExtension(FileName, IL_TEXT("jpg")) &&
		!iCheckExtension(FileName, IL_TEXT("jpe")) &&
		!iCheckExtension(FileName, IL_TEXT("jpeg")) &&
		!iCheckExtension(FileName, IL_TEXT("jif")) &&
		!iCheckExtension(FileName, IL_TEXT("jfif")))
	{
		ilSetError(IL_INVALID_EXTENSION);
		return bJpeg;
	}

	JpegFile = iopenr(FileName);
	if (JpegFile == NULL) {
		ilSetError(IL_COULD_NOT_OPEN_FILE);
		return bJpeg;
	}

	bJpeg = ilIsValidJpegF(JpegFile);
	icloser(JpegFile);

	return bJpeg;
}


//! Checks if the ILHANDLE contains a valid .jpg file at the current position.