Initial commit

tasks/libposix/include/posix/strings.h

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+/* Copyright (C) 1991,92,96,97,99,2000,2001 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef	_STRINGS_H
+#define	_STRINGS_H	1
+
+/* We don't need and should not read this file if <string.h> was already
+   read. The one exception being that if __USE_BSD isn't defined, then
+   these aren't defined in string.h, so we need to define them here.  */
+
+/* keep this file in sync w/ string.h, the glibc version is out of date */
+
+#if !defined _STRING_H || !defined __USE_BSD
+
+# include <features.h>
+# define __need_size_t
+# include <stddef.h>
+
+__BEGIN_DECLS
+
+# ifdef __UCLIBC_SUSV3_LEGACY__
+/* Copy N bytes of SRC to DEST (like memmove, but args reversed).  */
+extern void bcopy (__const void *__src, void *__dest, size_t __n)
+     __THROW __nonnull ((1, 2));
+
+/* Set N bytes of S to 0.  */
+extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1));
+
+/* Compare N bytes of S1 and S2 (same as memcmp).  */
+extern int bcmp (__const void *__s1, __const void *__s2, size_t __n)
+     __THROW __attribute_pure__ __nonnull ((1, 2));
+
+/* Find the first occurrence of C in S (same as strchr).  */
+extern char *index (__const char *__s, int __c)
+     __THROW __attribute_pure__ __nonnull ((1));
+
+/* Find the last occurrence of C in S (same as strrchr).  */
+extern char *rindex (__const char *__s, int __c)
+     __THROW __attribute_pure__ __nonnull ((1));
+# else
+#  ifdef __UCLIBC_SUSV3_LEGACY_MACROS__
+/* bcopy/bzero/bcmp/index/rindex are marked LEGACY in SuSv3.
+ * They are replaced as proposed by SuSv3. Don't sync this part
+ * with glibc and keep it in sync with string.h.  */
+
+#  define bcopy(src,dest,n) (memmove((dest), (src), (n)), (void) 0)
+#  define bzero(s,n) (memset((s), '\0', (n)), (void) 0)
+#  define bcmp(s1,s2,n) memcmp((s1), (s2), (size_t)(n))
+#  define index(s,c) strchr((s), (c))
+#  define rindex(s,c) strrchr((s), (c))
+#  endif
+# endif
+
+/* Return the position of the first bit set in I, or 0 if none are set.
+   The least-significant bit is position 1, the most-significant 32.  */
+extern int ffs (int __i) __THROW __attribute__ ((__const__));
+
+/* The following two functions are non-standard but necessary for non-32 bit
+   platforms.  */
+#if 0 /*def	__USE_GNU*/
+extern int ffsl (long int __l) __THROW __attribute__ ((__const__));
+#  ifdef __GNUC__
+__extension__ extern int ffsll (long long int __ll)
+     __THROW __attribute__ ((__const__));
+#  endif
+# endif
+
+/* Compare S1 and S2, ignoring case.  */
+extern int strcasecmp (__const char *__s1, __const char *__s2)
+     __THROW __attribute_pure__ __nonnull ((1, 2));
+
+/* Compare no more than N chars of S1 and S2, ignoring case.  */
+extern int strncasecmp (__const char *__s1, __const char *__s2, size_t __n)
+     __THROW __attribute_pure__ __nonnull ((1, 2));
+
+__END_DECLS
+
+#endif	/* string.h  */
+
+#endif	/* strings.h  */