Subversion Repositories planix.SVN

#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "sys9.h"
#undef OPEN
#include "../stdio/iolib.h"
#include "lib.h"
#include "dir.h"

FILE *
tmpfile(void){
        FILE *f;
        static char name[]="/tmp/tf0000000000000";
        char *p;
        int n;
        for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++)
                if(f->state==CLOSED)
                        break;
        if(f==&_IO_stream[FOPEN_MAX])
                return NULL;
        while(access(name, 0) >= 0){
                p = name+7;
                while(*p == '9')
                        *p++ = '0';
                if(*p == '\0')
                        return NULL;
                ++*p;
        }
        n = _CREATE(name, 64|2, 0777); /* remove-on-close */
        if(n==-1){
                _syserrno();
                return NULL;
        }
        _fdinfo[n].flags = FD_ISOPEN;
        _fdinfo[n].oflags = 2;
        f->fd=n;
        f->flags=0;
        f->state=OPEN;
        f->buf=0;
        f->rp=0;
        f->wp=0;
        f->lp=0;
        return f;
}