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maint: remove unused macros and declarations

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* src/system.h (EDQUOT, EISDIR, ENOSYS, EOVERFLOW, F_OK, X_OK)
(W_OK, R_OK): Delete; macros provided by gnulib.
(includes): Gnulib guarantees both <time.h> and <sys/time.h>, in
either order.
(free, malloc, memchr, realloc, getenv, lseek): Delete, gnulib
guarantees these declarations.
* m4/check-decl.m4 (gl_CHECK_DECLS): Delete checks now done by
gnulib.
This commit is contained in:
Eric Blake 2009-10-08 09:35:51 -06:00
parent 2a876d901d
commit aa092ccf6a
2 changed files with 5 additions and 62 deletions
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8
m4/check-decl.m4
View File

@ -1,4 +1,4 @@
#serial 24
#serial 25
# Check declarations for this package.
dnl Copyright (C) 1997-2001, 2003-2006, 2008-2009 Free Software
@ -37,13 +37,7 @@ AC_DEFUN([gl_CHECK_DECLS],
AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>])
AC_CHECK_DECLS_ONCE([free])
AC_CHECK_DECLS_ONCE([getenv])
AC_CHECK_DECLS_ONCE([geteuid])
AC_CHECK_DECLS_ONCE([getlogin])
AC_CHECK_DECLS_ONCE([getuid])
AC_CHECK_DECLS_ONCE([lseek])
AC_CHECK_DECLS_ONCE([malloc])
AC_CHECK_DECLS_ONCE([memchr])
AC_CHECK_DECLS_ONCE([realloc])
])

59
src/system.h
View File

@ -44,16 +44,8 @@ you must include <sys/types.h> before including this file
#include "configmake.h"
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
#include <sys/time.h>
#include <time.h>
/* Since major is a function on SVR4, we can't use `ifndef major'. */
#if MAJOR_IN_MKDEV
@ -86,16 +78,8 @@ you must include <sys/types.h> before including this file
#include <errno.h>
/* Some systems don't define the following symbols. */
#ifndef EDQUOT
# define EDQUOT (-1)
#endif
#ifndef EISDIR
# define EISDIR (-1)
#endif
#ifndef ENOSYS
# define ENOSYS (-1)
#endif
/* Some systems don't define this; POSIX mentions it but says it is
obsolete, so gnulib does not provide it either. */
#ifndef ENODATA
# define ENODATA (-1)
#endif
@ -125,13 +109,6 @@ initialize_exit_failure (int status)
#include <fcntl.h>
#ifndef F_OK
# define F_OK 0
# define X_OK 1
# define W_OK 2
# define R_OK 4
#endif
#include <dirent.h>
#ifndef _D_EXACT_NAMLEN
# define _D_EXACT_NAMLEN(dp) strlen ((dp)->d_name)
@ -281,30 +258,6 @@ select_plural (uintmax_t n)
#define STREQ(a, b) (strcmp (a, b) == 0)
#if !HAVE_DECL_FREE
void free ();
#endif
#if !HAVE_DECL_MALLOC
char *malloc ();
#endif
#if !HAVE_DECL_MEMCHR
char *memchr ();
#endif
#if !HAVE_DECL_REALLOC
char *realloc ();
#endif
#if !HAVE_DECL_GETENV
char *getenv ();
#endif
#if !HAVE_DECL_LSEEK
off_t lseek ();
#endif
#if !HAVE_DECL_GETLOGIN
char *getlogin ();
#endif
@ -549,10 +502,6 @@ enum
while (0)
#endif
#ifndef EOVERFLOW
# define EOVERFLOW EINVAL
#endif
#if ! HAVE_SYNC
# define sync() /* empty */
#endif