static STREAMFILE *open_stdio(STDIOSTREAMFILE *streamFile,const char * const filename,size_t buffersize) {
int newfd;
FILE *newfile;
STREAMFILE *newstreamFile;
if (!filename)
return NULL;
#if !defined (__ANDROID__)
// if same name, duplicate the file pointer we already have open
if (!strcmp(streamFile->name,filename)) {
if (((newfd = dup(fileno(streamFile->infile))) >= 0) &&
(newfile = fdopen( newfd, "rb" )))
{
newstreamFile = open_stdio_streamfile_buffer_by_file(newfile,filename,buffersize);
if (newstreamFile) {
return newstreamFile;
}
// failure, close it and try the default path (which will probably fail a second time)
fclose(newfile);
}
}
#endif
// a normal open, open a new file
return open_stdio_streamfile_buffer(filename,buffersize);
}
static STREAMFILE * open_stdio_streamfile_buffer(const char * const filename, size_t buffersize) {
FILE * infile;
STREAMFILE *streamFile;
infile = fopen(filename,"rb");
if (!infile) return NULL;
streamFile = open_stdio_streamfile_buffer_by_file(infile,filename,buffersize);
if (!streamFile) {
fclose(infile);
}
return streamFile;
}
STREAMFILE * open_stdio_streamfile_by_file(FILE * file, const char * filename) {
return open_stdio_streamfile_buffer_by_file(file,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
}
