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-rw-r--r--ports/unix/guts/mkostemps.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/ports/unix/guts/mkostemps.c b/ports/unix/guts/mkostemps.c
new file mode 100644
index 0000000..27ada46
--- /dev/null
+++ b/ports/unix/guts/mkostemps.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2008-2010, 2012 Wind River Systems; see
+ * guts/COPYRIGHT for information.
+ *
+ * Copyright (c) 2018 Peter Seebach; see
+ * guts/COPYRIGHT for information.
+ *
+ * int mkostemps(char *template, int suffixlen, int oflags)
+ * int rc = -1;
+ */
+
+ PSEUDO_STATBUF buf;
+ int save_errno;
+ size_t len;
+ char *tmp_template;
+
+ if (!template) {
+ errno = EFAULT;
+ return 0;
+ }
+
+ len = strlen(template);
+ tmp_template = PSEUDO_ROOT_PATH(AT_FDCWD, template, AT_SYMLINK_NOFOLLOW);
+
+ if (!tmp_template) {
+ errno = ENOENT;
+ return -1;
+ }
+
+ rc = real_mkostemps(tmp_template, suffixlen, oflags);
+
+ if (rc != -1) {
+ save_errno = errno;
+
+ if (base_fstat(rc, &buf) != -1) {
+ real_fchmod(rc, PSEUDO_FS_MODE(0600, 0));
+ pseudo_client_op(OP_CREAT, 0, -1, -1, tmp_template, &buf);
+ pseudo_client_op(OP_OPEN, PSA_READ | PSA_WRITE, rc, -1, tmp_template, &buf);
+ } else {
+ pseudo_debug(PDBGF_CONSISTENCY, "mkstemp (fd %d) succeeded, but fstat failed (%s).\n",
+ rc, strerror(errno));
+ pseudo_client_op(OP_OPEN, PSA_READ | PSA_WRITE, rc, -1, tmp_template, 0);
+ }
+ errno = save_errno;
+ }
+ /* WARNING: At least one system allows the number of Xs to be something
+ * other than 6. I do not attempt to handle this.
+ */
+ /* mkstemp only changes the XXXXXX at the end, or suffixlen characters before
+ * the end if mkostemp/mkostemps.
+ */
+ memcpy(template + len - 6 - suffixlen, tmp_template + strlen(tmp_template) - 6 - suffixlen, 6);
+/* return rc;
+ * }
+ */