ref: 0f890140f25324aa076b10f146840f6d7dc85a3a
dir: /sys/src/ape/lib/bsd/mktemp.c/
#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; }