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Remove _G_HAVE_IO_GETLINE_INFO


The macro _G_HAVE_IO_GETLINE_INFO, defined in _G_config.h, is used
only in two places in libio as part of a conditional "#if defined
_LIBC || !_G_HAVE_IO_GETLINE_INFO".  Since this code is only used in
libc, _LIBC is always defined here and the conditional is redundant
and _G_HAVE_IO_GETLINE_INFO is effectively unused.  This patch removes
the macro and the conditionals that used it.

Tested x86_64 that the same code is produced for glibc's shared
libraries before and after the patch.

2012-09-16  Joseph Myers  <joseph@codesourcery.com>

	* libio/iogetline.c [_LIBC || !_G_HAVE_IO_GETLINE_INFO]: Make code
	unconditional.
	* libio/iogetwline.c [_LIBC || !_G_HAVE_IO_GETLINE_INFO]:
	Likewise.
	* sysdeps/generic/_G_config.h (_G_HAVE_IO_GETLINE_INFO): Remove.
	* sysdeps/gnu/_G_config.h (_G_HAVE_IO_GETLINE_INFO): Likewise.
	* sysdeps/mach/hurd/_G_config.h (_G_HAVE_IO_GETLINE_INFO):
	Likewise.

diff --git a/libio/iogetline.c b/libio/iogetline.c
index f097f80..bdb35b3 100644
--- a/libio/iogetline.c
+++ b/libio/iogetline.c
@@ -27,8 +27,6 @@
 #include "libioP.h"
 #include <string.h>
 
-#if defined _LIBC || !_G_HAVE_IO_GETLINE_INFO
-
 _IO_size_t
 _IO_getline (fp, buf, n, delim, extract_delim)
      _IO_FILE *fp;
@@ -117,5 +115,3 @@ _IO_getline_info (fp, buf, n, delim, extract_delim, eof)
   return ptr - buf;
 }
 libc_hidden_def (_IO_getline_info)
-
-#endif /* Defined _LIBC || !_G_HAVE_IO_GETLINE_INFO */
diff --git a/libio/iogetwline.c b/libio/iogetwline.c
index 598ece1..63b7da6 100644
--- a/libio/iogetwline.c
+++ b/libio/iogetwline.c
@@ -32,8 +32,6 @@
 # define wmemcpy __wmemcpy
 #endif
 
-#if defined _LIBC || !_G_HAVE_IO_GETLINE_INFO
-
 _IO_size_t
 _IO_getwline (fp, buf, n, delim, extract_delim)
      _IO_FILE *fp;
@@ -122,5 +120,3 @@ _IO_getwline_info (fp, buf, n, delim, extract_delim, eof)
     }
   return ptr - buf;
 }
-
-#endif /* Defined _LIBC || !_G_HAVE_IO_GETLINE_INFO */
diff --git a/sysdeps/generic/_G_config.h b/sysdeps/generic/_G_config.h
index df08676..71974ca 100644
--- a/sysdeps/generic/_G_config.h
+++ b/sysdeps/generic/_G_config.h
@@ -57,7 +57,6 @@ typedef union
 #define _G_va_list __gnuc_va_list
 
 #define _G_HAVE_MMAP 1
-#define _G_HAVE_IO_GETLINE_INFO 1
 
 #define _G_IO_IO_FILE_VERSION 0x20001
 
diff --git a/sysdeps/gnu/_G_config.h b/sysdeps/gnu/_G_config.h
index 7d71643..604fa2e 100644
--- a/sysdeps/gnu/_G_config.h
+++ b/sysdeps/gnu/_G_config.h
@@ -58,7 +58,6 @@ typedef union
 
 #define _G_HAVE_MMAP 1
 #define _G_HAVE_MREMAP 1
-#define _G_HAVE_IO_GETLINE_INFO 1
 
 #define _G_IO_IO_FILE_VERSION 0x20001
 
diff --git a/sysdeps/mach/hurd/_G_config.h b/sysdeps/mach/hurd/_G_config.h
index 0808a55..70de3c6 100644
--- a/sysdeps/mach/hurd/_G_config.h
+++ b/sysdeps/mach/hurd/_G_config.h
@@ -57,7 +57,6 @@ typedef union
 #define _G_va_list __gnuc_va_list
 
 #define _G_HAVE_MMAP 1
-#define _G_HAVE_IO_GETLINE_INFO 1
 
 #define _G_IO_IO_FILE_VERSION 0x20001
 

-- 
Joseph S. Myers
joseph@codesourcery.com


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