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Re: [Libguestfs] [PATCH 3/5] daemon error handling: recursive_mkdir shouldn't need to set errno.



On 30/11/09 14:47, Richard W.M. Jones wrote:
+/* Returns:
+ * 0  if everything was OK,
+ * -1 for a general error (sets errno),
+ * -2 if an existing path element was not a directory.
+ */
  static int
  recursive_mkdir (const char *path)
  {
@@ -130,10 +135,7 @@ recursive_mkdir (const char *path)
      if (errno == EEXIST) {	/* Something exists here, might not be a dir. */
        r = lstat (path,&buf);
        if (r == -1) return -1;
-      if (!S_ISDIR (buf.st_mode)) {
-        errno = ENOTDIR;
-        return -1;
-      }
+      if (!S_ISDIR (buf.st_mode)) return -2;
        return 0;			/* OK - directory exists here already. */
      }


If you made this return -ENOTDIR it would be slightly less magic when used later.

Matt
--
Matthew Booth, RHCA, RHCSS
Red Hat Engineering, Virtualisation Team

M:       +44 (0)7977 267231
GPG ID:  D33C3490
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