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#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>
#include "parselib.h"
void __prepare_parse(const char* filename,struct state* s) /*EXTRACT_INCL*/{
int fd;
s->cur=0;
if (s->buffirst) return; /* already mapped */
fd=open(filename,O_RDONLY);
if (fd>=0) {
s->buflen=lseek(fd,0,SEEK_END);
s->buffirst=mmap(0,s->buflen,PROT_READ,MAP_PRIVATE,fd,0);
if (s->buffirst==(const char*)-1)
s->buffirst=0;
close(fd);
} else {
s->buflen=0;
s->buffirst=0;
}
}
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