Handle DT_UNKNOWN in gconv-modules.d

On filesystems that do not support dt_type, a regular file shows up as
DT_UNKNOWN.  Fall back to using lstat64 to read file properties in
such cases.

Reviewed-by: DJ Delorie <dj@redhat.com>

diff --git a/iconv/gconv_parseconfdir.h b/iconv/gconv_parseconfdir.h
index 3d4d58d4be10a25026b6810bd0449841d6775efc..e73ea0ff5c61a0ad5787ea1a0afbe9ea23ba1b1e 100644 (file)
--- a/iconv/gconv_parseconfdir.h
+++ b/iconv/gconv_parseconfdir.h
@@ -32,6 +32,7 @@
 # define readdir __readdir
 # define closedir __closedir
 # define mempcpy __mempcpy
+# define lstat64 __lstat64
 #endif
 
 /* Name of the file containing the module information in the directories
@@ -138,7 +139,7 @@ gconv_parseconfdir (const char *dir, size_t dir_len)
       struct dirent *ent;
       while ((ent = readdir (confdir)) != NULL)
        {
-         if (ent->d_type != DT_REG)
+         if (ent->d_type != DT_REG && ent->d_type != DT_UNKNOWN)
            continue;
 
          size_t len = strlen (ent->d_name);
@@ -148,8 +149,14 @@ gconv_parseconfdir (const char *dir, size_t dir_len)
              && strcmp (ent->d_name + len - strlen (suffix), suffix) == 0)
            {
              char *conf;
+             struct stat64 st;
              if (asprintf (&conf, "%s/%s", buf, ent->d_name) < 0)
                continue;
+             if (ent->d_type == DT_UNKNOWN
+                 && (lstat64 (conf, &st) == -1
+                     || !S_ISREG (st.st_mode)))
+               continue;
+
              found |= read_conf_file (conf, dir, dir_len);
              free (conf);
            }