+
+int utf8_mkstemp( char *template )
+{
+ static const char digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ static const int i_digits = sizeof(digits)/sizeof(*digits) - 1;
+
+ /* */
+ assert( template );
+
+ /* Check template validity */
+ const size_t i_length = strlen( template );
+ char *psz_rand = &template[i_length-6];
+
+ if( i_length < 6 || strcmp( psz_rand, "XXXXXX" ) )
+ {
+ errno = EINVAL;
+ return -1;
+ }
+
+ uint64_t i_rand = mdate();
+
+ /* */
+ for( int i = 0; i < 256; i++ )
+ {
+ /* Create a pseudo random file name */
+ for( int j = 0; j < 6; j++ )
+ {
+ i_rand = i_rand * UINT64_C(1103515245) + 12345;
+ psz_rand[j] = digits[((i_rand >> 16) & 0xffff) % i_digits];
+ }
+
+ /* */
+ int fd = utf8_open( template, O_CREAT | O_EXCL | O_RDWR, 0600 );
+ if( fd >= 0 )
+ return fd;
+ if( errno != EEXIST )
+ return -1;
+ }
+
+ errno = EEXIST;
+ return -1;
+}
+