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 #include <sys/types.h>
42 #if !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP)
44 static int _gettemp(char *, int *, int, int);
47 mkstemps(char *path, int slen)
51 return (_gettemp(path, &fd, 0, slen) ? fd : -1);
59 return (_gettemp(path, &fd, 0, 0) ? fd : -1);
65 return(_gettemp(path, (int *)NULL, 1, 0) ? path : (char *)NULL);
69 _gettemp(path, doopen, domkdir, slen)
75 register char *start, *trv, *suffp;
80 if (doopen && domkdir) {
85 for (trv = path; *trv; ++trv)
95 while (trv >= path && *trv == 'X' && pid != 0) {
96 *trv-- = (pid % 10) + '0';
99 while (trv >= path && *trv == 'X') {
102 pid = (arc4random() & 0xffff) % (26+26);
106 c = (pid - 26) + 'a';
112 * check the target directory; if you have six X's and it
113 * doesn't exist this runs for a *very* long time.
115 if (doopen || domkdir) {
121 rval = stat(path, &sbuf);
125 if (!S_ISDIR(sbuf.st_mode)) {
137 open(path, O_CREAT|O_EXCL|O_RDWR, 0600)) >= 0)
141 } else if (domkdir) {
142 if (mkdir(path, 0700) == 0)
146 } else if (lstat(path, &sbuf))
147 return(errno == ENOENT ? 1 : 0);
149 /* tricky little algorithm for backward compatibility */
150 for (trv = start;;) {
160 else if (*trv == 'z') /* inc from z to A */
174 #endif /* !defined(HAVE_MKDTEMP) || defined(HAVE_STRICT_MKSTEMP) */