[v2,3/7] libio: Replace internal _IO_getdelim symbol with __getdelim

  __getdelim is exported, _IO_getdelim is not.  Add a hidden prototype
for __getdelim.
---
 iconv/gconv_parseconfdir.h              | 2 +-
 include/stdio.h                         | 1 +
 libio/iogetdelim.c                      | 7 +++----
 libio/libioP.h                          | 1 -
 stdio-common/getline.c                  | 2 +-
 sysdeps/unix/sysv/linux/readonly-area.c | 2 +-
 6 files changed, 7 insertions(+), 8 deletions(-)
  

On 29/06/2021 07:11, Florian Weimer via Libc-alpha wrote:
> __getdelim is exported, _IO_getdelim is not.  Add a hidden prototype
> for __getdelim.

LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

> ---
>  iconv/gconv_parseconfdir.h              | 2 +-
>  include/stdio.h                         | 1 +
>  libio/iogetdelim.c                      | 7 +++----
>  libio/libioP.h                          | 1 -
>  stdio-common/getline.c                  | 2 +-
>  sysdeps/unix/sysv/linux/readonly-area.c | 2 +-
>  6 files changed, 7 insertions(+), 8 deletions(-)
> 
> diff --git a/iconv/gconv_parseconfdir.h b/iconv/gconv_parseconfdir.h
> index e73ea0ff5c..505e8b1458 100644
> --- a/iconv/gconv_parseconfdir.h
> +++ b/iconv/gconv_parseconfdir.h
> @@ -23,7 +23,7 @@
>  
>  #if IS_IN (libc)
>  # include <libio/libioP.h>
> -# define __getdelim(line, len, c, fp) _IO_getdelim (line, len, c, fp)
> +# define __getdelim(line, len, c, fp) __getdelim (line, len, c, fp)
>  
>  # undef isspace
>  # define isspace(__c) __isspace_l ((__c), _nl_C_locobj_ptr)
> diff --git a/include/stdio.h b/include/stdio.h
> index 311adcf953..23b7fd288c 100644
> --- a/include/stdio.h
> +++ b/include/stdio.h
> @@ -213,6 +213,7 @@ libc_hidden_ldbl_proto (fprintf)
>  libc_hidden_ldbl_proto (vfprintf)
>  libc_hidden_ldbl_proto (sprintf)
>  libc_hidden_proto (ungetc)
> +libc_hidden_proto (__getdelim)
>  libc_hidden_proto (fwrite)
>  libc_hidden_proto (perror)
>  libc_hidden_proto (remove)
> diff --git a/libio/iogetdelim.c b/libio/iogetdelim.c
> index 06450ca96c..3b1253bae8 100644
> --- a/libio/iogetdelim.c
> +++ b/libio/iogetdelim.c
> @@ -37,7 +37,7 @@
>     null terminator), or -1 on error or EOF.  */
>  
>  ssize_t
> -_IO_getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
> +__getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
>  {
>    ssize_t result;
>    ssize_t cur_len = 0;
> @@ -122,6 +122,5 @@ unlock_return:
>    _IO_release_lock (fp);
>    return result;
>  }
> -
> -weak_alias (_IO_getdelim, __getdelim)
> -weak_alias (_IO_getdelim, getdelim)
> +libc_hidden_def (__getdelim)
> +weak_alias (__getdelim, getdelim)
> diff --git a/libio/libioP.h b/libio/libioP.h
> index 4bad7f3c06..dc9a2ce9c8 100644
> --- a/libio/libioP.h
> +++ b/libio/libioP.h
> @@ -734,7 +734,6 @@ libc_hidden_proto (_IO_getline)
>  extern size_t _IO_getline_info (FILE *,char *, size_t,
>  				    int, int, int *);
>  libc_hidden_proto (_IO_getline_info)
> -extern ssize_t _IO_getdelim (char **, size_t *, int, FILE *);
>  extern size_t _IO_getwline (FILE *,wchar_t *, size_t, wint_t, int);
>  extern size_t _IO_getwline_info (FILE *,wchar_t *, size_t,
>  				     wint_t, int, wint_t *);
> diff --git a/stdio-common/getline.c b/stdio-common/getline.c
> index de212243bb..52dfc58f2b 100644
> --- a/stdio-common/getline.c
> +++ b/stdio-common/getline.c
> @@ -25,7 +25,7 @@
>  ssize_t
>  __getline (char **lineptr, size_t *n, FILE *stream)
>  {
> -  return _IO_getdelim (lineptr, n, '\n', stream);
> +  return __getdelim (lineptr, n, '\n', stream);
>  }
>  
>  weak_alias (__getline, getline)
> diff --git a/sysdeps/unix/sysv/linux/readonly-area.c b/sysdeps/unix/sysv/linux/readonly-area.c
> index b42ec6ef3e..fa407d2f05 100644
> --- a/sysdeps/unix/sysv/linux/readonly-area.c
> +++ b/sysdeps/unix/sysv/linux/readonly-area.c
> @@ -55,7 +55,7 @@ __readonly_area (const char *ptr, size_t size)
>  
>    while (! __feof_unlocked (fp))
>      {
> -      if (_IO_getdelim (&line, &linelen, '\n', fp) <= 0)
> +      if (__getdelim (&line, &linelen, '\n', fp) <= 0)
>  	break;
>  
>        char *p;
>