Subversion Repositories planix.SVN

#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>

char*
mktemp(char *template)
{
        int n;
        long x;
        char *p;
        int c;
        struct stat stbuf;

        n = strlen(template);
        p = template+n-6;
        if (n < 6 || strcmp(p, "XXXXXX") != 0) {
                *template = 0;
        } else {
                x = getpid() % 100000;
                sprintf(p, "%05d", x);
                p += 5;
                for(c = 'a'; c <= 'z'; c++) {
                        *p = c;
                        if (stat(template, &stbuf) < 0)
                                return template;
                }
                *template = 0;
        }
        return template;
}