/* A substitute <strings.h>.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this program; if not, see <http://www.gnu.org/licenses/>. */
-#ifndef _GL_STRINGS_H
+#ifndef _@GUARD_PREFIX@_STRINGS_H
+#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
+#endif
+@PRAGMA_COLUMNS@
+
+/* Minix 3.1.8 has a bug: <sys/types.h> must be included before <strings.h>.
+ But avoid namespace pollution on glibc systems. */
+#if defined __minix && !defined __GLIBC__
+# include <sys/types.h>
+#endif
/* The include_next requires a split double-inclusion guard. */
-#@INCLUDE_NEXT@ @NEXT_STRINGS_H@
+#if @HAVE_STRINGS_H@
+# @INCLUDE_NEXT@ @NEXT_STRINGS_H@
+#endif
+
+#ifndef _@GUARD_PREFIX@_STRINGS_H
+#define _@GUARD_PREFIX@_STRINGS_H
+
+#if ! @HAVE_DECL_STRNCASECMP@
+/* Get size_t. */
+# include <stddef.h>
+#endif
-#ifndef _GL_STRINGS_H
-#define _GL_STRINGS_H
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
-/* The definition of GL_LINK_WARNING is copied here. */
+/* The definition of _GL_ARG_NONNULL is copied here. */
+/* The definition of _GL_WARN_ON_USE is copied here. */
#ifdef __cplusplus
extern "C" {
#endif
+ /* Find the index of the least-significant set bit. */
+#if @GNULIB_FFS@
+# if !@HAVE_FFS@
+_GL_FUNCDECL_SYS (ffs, int, (int i));
+# endif
+_GL_CXXALIAS_SYS (ffs, int, (int i));
+_GL_CXXALIASWARN (ffs);
+#elif defined GNULIB_POSIXCHECK
+# undef ffs
+# if HAVE_RAW_DECL_FFS
+_GL_WARN_ON_USE (ffs, "ffs is not portable - use the ffs module");
+# endif
+#endif
+
/* Compare strings S1 and S2, ignoring case, returning less than, equal to or
greater than zero if S1 is lexicographically less than, equal to or greater
than S2.
Note: This function does not work in multibyte locales. */
#if ! @HAVE_STRCASECMP@
-extern int strcasecmp (char const *s1, char const *s2);
+extern int strcasecmp (char const *s1, char const *s2)
+ _GL_ARG_NONNULL ((1, 2));
#endif
#if defined GNULIB_POSIXCHECK
/* strcasecmp() does not work with multibyte strings:
POSIX says that it operates on "strings", and "string" in POSIX is defined
as a sequence of bytes, not of characters. */
# undef strcasecmp
-# define strcasecmp(a,b) \
- (GL_LINK_WARNING ("strcasecmp cannot work correctly on character strings " \
- "in multibyte locales - " \
- "use mbscasecmp if you care about " \
- "internationalization, or use c_strcasecmp (from " \
- "gnulib module c-strcase) if you want a locale " \
- "independent function"), \
- strcasecmp (a, b))
+# if HAVE_RAW_DECL_STRCASECMP
+_GL_WARN_ON_USE (strcasecmp, "strcasecmp cannot work correctly on character "
+ "strings in multibyte locales - "
+ "use mbscasecmp if you care about "
+ "internationalization, or use c_strcasecmp , "
+ "gnulib module c-strcase) if you want a locale "
+ "independent function");
+# endif
#endif
/* Compare no more than N bytes of strings S1 and S2, ignoring case,
lexicographically less than, equal to or greater than S2.
Note: This function cannot work correctly in multibyte locales. */
#if ! @HAVE_DECL_STRNCASECMP@
-extern int strncasecmp (char const *s1, char const *s2, size_t n);
+extern int strncasecmp (char const *s1, char const *s2, size_t n)
+ _GL_ARG_NONNULL ((1, 2));
#endif
#if defined GNULIB_POSIXCHECK
/* strncasecmp() does not work with multibyte strings:
POSIX says that it operates on "strings", and "string" in POSIX is defined
as a sequence of bytes, not of characters. */
# undef strncasecmp
-# define strncasecmp(a,b,n) \
- (GL_LINK_WARNING ("strncasecmp cannot work correctly on character " \
- "strings in multibyte locales - " \
- "use mbsncasecmp or mbspcasecmp if you care about " \
- "internationalization, or use c_strncasecmp (from " \
- "gnulib module c-strcase) if you want a locale " \
- "independent function"), \
- strncasecmp (a, b, n))
+# if HAVE_RAW_DECL_STRNCASECMP
+_GL_WARN_ON_USE (strncasecmp, "strncasecmp cannot work correctly on character "
+ "strings in multibyte locales - "
+ "use mbsncasecmp or mbspcasecmp if you care about "
+ "internationalization, or use c_strncasecmp , "
+ "gnulib module c-strcase) if you want a locale "
+ "independent function");
+# endif
#endif
}
#endif
-#endif /* _GL_STRING_H */
-#endif /* _GL_STRING_H */
+#endif /* _@GUARD_PREFIX@_STRING_H */
+#endif /* _@GUARD_PREFIX@_STRING_H */