clean up header inclusions

2012-03-16  Paolo Bonzini  <bonzini@gnu.org>

	* basicdefs.h: Enjoy gnulib's headers.
	* sed/compile.c: Likewise.
	* sed/execute.c: Likewise.
	* sed/regexp.c: Likewise.
	* sed/sed.c: Likewise.
	* sed/sed.h: Likewise.
	* sed/utils.c: Likewise.

6 files changed, 17 insertions, 110 deletions

diff --git a/sed/compile.c b/sed/compile.c
index d71e67d..cf3b32b 100644
--- a/sed/compile.c
+++ b/sed/compile.c
@@ -21,27 +21,9 @@
 #include "sed.h"
 #include <stdio.h>
 #include <ctype.h>
-
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-# ifdef HAVE_MEMORY_H
-#  include <memory.h>
-# endif
-#else
-# include <string.h>
-#endif /* HAVE_STRINGS_H */
-
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-#ifndef EXIT_FAILURE
-# define EXIT_FAILURE 1
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
 #include <obstack.h>
 
 
diff --git a/sed/execute.c b/sed/execute.c
index 3432602..8d0f5e1 100644
--- a/sed/execute.c
+++ b/sed/execute.c
@@ -25,20 +25,18 @@
 #include <stddef.h>
 #include <stdio.h>
 #include <ctype.h>
-
+#include <unistd.h>
 #include <errno.h>
-#ifndef errno
-extern int errno;
-#endif
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "stat-macros.h"
 
 #include <selinux/selinux.h>
 #include <selinux/context.h>
 #include "acl.h"
 
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
 #ifdef __GNUC__
 # if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__-0 >= 7)
    /* silence warning about unused parameter even for "gcc -W -Wunused" */
@@ -49,34 +47,6 @@ extern int errno;
 # define UNUSED
 #endif
 
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#else
-# include <string.h>
-#endif /*HAVE_STRINGS_H*/
-#ifdef HAVE_MEMORY_H
-# include <memory.h>
-#endif
-
-#ifndef HAVE_STRCHR
-# define strchr index
-# define strrchr rindex
-#endif
-
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-#ifndef EXIT_SUCCESS
-# define EXIT_SUCCESS 0
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#include <sys/stat.h>
-#include "stat-macros.h"
-
 
 /* Sed operates a line at a time. */
 struct line {
diff --git a/sed/regexp.c b/sed/regexp.c
index 39914de..74cee00 100644
--- a/sed/regexp.c
+++ b/sed/regexp.c
@@ -21,9 +21,7 @@
 #include <ctype.h>
 #include <string.h>
 #include <stdio.h>
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
+#include <stdlib.h>
 
 #ifdef gettext_noop
 # define N_(String) gettext_noop(String)
diff --git a/sed/sed.c b/sed/sed.c
index e0d5771..a01ab42 100644
--- a/sed/sed.c
+++ b/sed/sed.c
@@ -21,41 +21,13 @@
 
 
 #include <stdio.h>
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#else
-# include <string.h>
-#endif /*HAVE_STRINGS_H*/
-#ifdef HAVE_MEMORY_H
-# include <memory.h>
-#endif
-
-#ifndef HAVE_STRCHR
-# define strchr index
-# define strrchr rindex
-#endif
-
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
 #include "getopt.h"
 
 #include "version-etc.h"
 
-#ifndef HAVE_STDLIB_H
- extern char *getenv P_((const char *));
-#endif
-
-#ifndef HAVE_STRTOUL
-# define ATOI(x)	atoi(x)
-#else
-# define ATOI(x)	strtoul(x, NULL, 0)
-#endif
-
 #define AUTHORS \
    _("Jay Fenlason"), \
    _("Tom Lord"), \
@@ -246,7 +218,7 @@ main(argc, argv)
    */
   if (cols)
     {
-      countT t = ATOI(cols);
+      countT t = atoi(cols);
       if (t > 1)
 	lcmd_out_line_len = t-1;
     }
@@ -293,7 +265,7 @@ main(argc, argv)
 	  break;
 
 	case 'l':
-	  lcmd_out_line_len = ATOI(optarg);
+	  lcmd_out_line_len = atoi(optarg);
 	  break;
 
 	case 'p':
diff --git a/sed/sed.h b/sed/sed.h
index 29a9495..2cbf47e 100644
--- a/sed/sed.h
+++ b/sed/sed.h
@@ -16,10 +16,7 @@
     along with this program; if not, write to the Free Software
     Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
 
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
-
 #include "basicdefs.h"
 #include "regex.h"
 #include <stdio.h>
diff --git a/sed/utils.c b/sed/utils.c
index cb29b87..3db737b 100644
--- a/sed/utils.c
+++ b/sed/utils.c
@@ -21,20 +21,8 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <errno.h>
-#ifndef errno
-  extern int errno;
-#endif
-
-#ifdef HAVE_STRINGS_H
-# include <strings.h>
-#else
-# include <string.h>
-#endif /* HAVE_STRINGS_H */
-
-#ifdef HAVE_STDLIB_H
-# include <stdlib.h>
-#endif /* HAVE_STDLIB_H */
-
+#include <string.h>
+#include <stdlib.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>