[PATCH v2][BZ #12685] Allow arbitrary number of modes in fopen.

[Andreas Schwab]

Ondřej Bílka <neleai@seznam.cz> writes:

> diff --git a/libio/fileops.c b/libio/fileops.c
> index 61b61b3..50c3eb2 100644
> --- a/libio/fileops.c
> +++ b/libio/fileops.c
> @@ -286,12 +286,10 @@ _IO_new_file_fopen (fp, filename, mode, is32not64)
>  #ifdef _LIBC
>    last_recognized = mode;
>  #endif
> -  for (i = 1; i < 7; ++i)
> +  while (*mode && *mode != ',')
>      {
>        switch (*++mode)

That reads mode[1], but the loop conditions tests mode[0].

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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