NodesX *NewNodeList(int append)
{
NodesX *nodesx;
nodesx=(NodesX*)calloc(1,sizeof(NodesX));
assert(nodesx); /* Check calloc() worked */
nodesx->filename=(char*)malloc(strlen(option_tmpdirname)+32);
if(append)
sprintf(nodesx->filename,"%s/nodesx.input.tmp",option_tmpdirname);
else
sprintf(nodesx->filename,"%s/nodesx.%p.tmp",option_tmpdirname,(void*)nodesx);
if(append)
{
off_t size;
nodesx->fd=OpenFileAppend(nodesx->filename);
size=SizeFile(nodesx->filename);
nodesx->number=size/sizeof(NodeX);
}
else
nodesx->fd=OpenFileNew(nodesx->filename);
return(nodesx);
}
void *MapFile(const char *filename)
{
int fd;
off_t size;
void *address;
/* Open the file and get its size */
fd=ReOpenFile(filename);
size=SizeFile(filename);
/* Map the file */
address=mmap(NULL,size,PROT_READ,MAP_SHARED,fd,0);
if(address==MAP_FAILED)
{
close(fd);
fprintf(stderr,"Cannot mmap file '%s' [%s].\n",filename,strerror(errno));
exit(EXIT_FAILURE);
}
mappedfiles=(struct mmapinfo*)realloc((void*)mappedfiles,(nmappedfiles+1)*sizeof(struct mmapinfo));
mappedfiles[nmappedfiles].filename=filename;
mappedfiles[nmappedfiles].fd=fd;
mappedfiles[nmappedfiles].address=address;
mappedfiles[nmappedfiles].length=size;
nmappedfiles++;
return(address);
}
void open_errorlog(const char *filename,int append,int bin)
{
/* Text log file */
errorlogfilename=(char*)malloc(strlen(filename)+8);
strcpy(errorlogfilename,filename);
#if defined(_MSC_VER) || defined(__MINGW32__)
errorlogfile=fopen(errorlogfilename,append?"ab":"wb");
#else
errorlogfile=fopen(errorlogfilename,append?"a" :"w" );
#endif
if(!errorlogfile)
{
fprintf(stderr,"Cannot open file '%s' for writing [%s].\n",errorlogfilename,strerror(errno));
exit(EXIT_FAILURE);
}
/* Binary log file */
if(bin)
{
errorbinfilename=(char*)malloc(strlen(filename)+8);
sprintf(errorbinfilename,"%s.tmp",filename);
errorfileoffset=0;
if(append)
{
if(ExistsFile(filename))
errorfileoffset=SizeFile(filename);
errorbinfile=OpenFileBufferedAppend(errorbinfilename);
}
else
errorbinfile=OpenFileBufferedNew(errorbinfilename);
}
else
errorbinfile=-1;
}
