1 /* THIS FILE HAS BEEN MODIFIED FROM THE ORIGINAL OPENBSD SOURCE */
2 /* Changes: Removed mktemp */
4 /* $OpenBSD: mktemp.c,v 1.19 2005/08/08 08:05:36 espie Exp $ */
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34 /* OPENBSD ORIGINAL: lib/libc/stdio/mktemp.c */
38 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
40 static int _gettemp(char *, int *, int, int);
43 mkstemps(char *path, int slen)
47 return (_gettemp(path, &fd, 0, slen) ? fd : -1);
55 return (_gettemp(path, &fd, 0, 0) ? fd : -1);
61 return(_gettemp(path, (int *)NULL, 1, 0) ? path : (char *)NULL);
65 _gettemp(path, doopen, domkdir, slen)
71 register char *start, *trv, *suffp;
76 if (doopen && domkdir) {
81 for (trv = path; *trv; ++trv)
91 while (trv >= path && *trv == 'X' && pid != 0) {
92 *trv-- = (pid % 10) + '0';
95 while (trv >= path && *trv == 'X') {
98 pid = (arc4random() & 0xffff) % (26+26);
102 c = (pid - 26) + 'a';
108 * check the target directory; if you have six X's and it
109 * doesn't exist this runs for a *very* long time.
111 if (doopen || domkdir) {
117 rval = stat(path, &sbuf);
121 if (!S_ISDIR(sbuf.st_mode)) {
133 open(path, O_CREAT|O_EXCL|O_RDWR, 0600)) >= 0)
137 } else if (domkdir) {
138 if (mkdir(path, 0700) == 0)
142 } else if (lstat(path, &sbuf))
143 return(errno == ENOENT ? 1 : 0);
145 /* tricky little algorithm for backward compatibility */
146 for (trv = start;;) {
156 else if (*trv == 'z') /* inc from z to A */
170 #endif /* !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) */