Check for mkstemp, added a port implementation if it is not
present. Use mkstemp() in various places needing tmp files.
diff --git a/library/port.c b/library/port.c
index def9469..eb93423 100644
--- a/library/port.c
+++ b/library/port.c
@@ -340,6 +340,35 @@
}
#endif /* HAVE_LSTAT */
+/***********************************************************************
+ * mkstemp
+ */
+#ifndef HAVE_MKSTEMP
+int mkstemp(char *tmpfn)
+{
+ int tries;
+ char *xstart;
+
+ xstart = tmpfn+strlen(tmpfn)-1;
+ while ((xstart > tmpfn) && (*xstart == 'X'))
+ xstart--;
+ tries = 10;
+ while (tries--) {
+ char *newfn = mktemp(tmpfn);
+ int fd;
+ if (!newfn) /* something else broke horribly */
+ return -1;
+ fd = open(newfn,O_CREAT|O_RDWR|O_EXCL,0600);
+ if (fd!=-1)
+ return fd;
+ newfn = xstart;
+ /* fill up with X and try again ... */
+ while (*newfn) *newfn++ = 'X';
+ }
+ return -1;
+}
+#endif /* HAVE_MKSTEMP */
+
/***********************************************************************
* pread
