ref: 5c448c618a89ab8933838da1b5b97ed7c4a42e08
dir: /sys/src/ape/lib/ap/gen/mkstemp.c/
#define _BSD_SOURCE #include <stdlib.h> #include <string.h> #include <unistd.h> #include <fcntl.h> int mkstemp(char *template) { char *s; int i, fd; s = strdup(template); if(s == NULL) return -1; for(i=0; i<20; i++){ strcpy(s, template); mktemp(s); if((fd = open(s, O_RDWR | O_CREAT | O_EXCL, 0600)) >= 0){ strcpy(template, s); free(s); return fd; } } free(s); return -1; }