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@@ -0,0 +1,1214 @@
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+/* Machine-independant string function optimizations.
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+ Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Library General Public License as
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+ published by the Free Software Foundation; either version 2 of the
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+ License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Library General Public License for more details.
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+
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+ You should have received a copy of the GNU Library General Public
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+ License along with the GNU C Library; see the file COPYING.LIB. If not,
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+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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+ Boston, MA 02111-1307, USA. */
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+
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+#ifndef _STRING_H
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+# error "Never use <bits/string2.h> directly; include <string.h> instead."
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+#endif
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+
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+#ifndef __NO_STRING_INLINES
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+
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+/* Unlike the definitions in the header <bits/string.h> the
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+ definitions contained here are not optimized down to assembler
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+ level. Those optimizations are not always a good idea since this
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+ means the code size increases a lot. Instead the definitions here
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+ optimize some functions in a way which do not dramatically
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+ increase the code size and which do not use assembler. The main
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+ trick is to use GNU CC's `__builtin_constant_p' function.
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+
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+ Every function XXX which has a defined version in
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+ <bits/string.h> must be accompanied by a symbol _HAVE_STRING_ARCH_XXX
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+ to make sure we don't get redefinitions.
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+
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+ We must use here macros instead of inline functions since the
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+ trick won't work with the latter. */
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+
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+#ifndef __STRING_INLINE
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+# ifdef __cplusplus
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+# define __STRING_INLINE inline
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+# else
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+# define __STRING_INLINE extern __inline
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+# endif
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+#endif
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+
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+#if _STRING_ARCH_unaligned
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+/* If we can do unaligned memory accesses we must know the endianess. */
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+# include <endian.h>
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+# include <bits/types.h>
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+
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+# if __BYTE_ORDER == __LITTLE_ENDIAN
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+# define __STRING2_SMALL_GET16(src, idx) \
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+ (((__const unsigned char *) (__const char *) (src))[idx + 1] << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx])
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+# define __STRING2_SMALL_GET32(src, idx) \
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+ (((((__const unsigned char *) (__const char *) (src))[idx + 3] << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx + 2]) << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx + 1]) << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx])
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+# else
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+# define __STRING2_SMALL_GET16(src, idx) \
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+ (((__const unsigned char *) (__const char *) (src))[idx] << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx + 1])
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+# define __STRING2_SMALL_GET32(src, idx) \
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+ (((((__const unsigned char *) (__const char *) (src))[idx] << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx + 1]) << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx + 2]) << 8 \
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+ | ((__const unsigned char *) (__const char *) (src))[idx + 3])
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+# endif
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+#else
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+/* These are a few types we need for the optimizations if we cannot
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+ use unaligned memory accesses. */
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+# define __STRING2_COPY_TYPE(N) \
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+ typedef struct { unsigned char __arr[N]; } \
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+ __STRING2_COPY_ARR##N __attribute__ ((packed))
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+__STRING2_COPY_TYPE (2);
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+__STRING2_COPY_TYPE (3);
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+__STRING2_COPY_TYPE (4);
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+__STRING2_COPY_TYPE (5);
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+__STRING2_COPY_TYPE (6);
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+__STRING2_COPY_TYPE (7);
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+__STRING2_COPY_TYPE (8);
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+# undef __STRING2_COPY_TYPE
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+#endif
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+
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+/* Dereferencing a pointer arg to run sizeof on it fails for the void
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+ pointer case, so we use this instead.
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+ Note that __x is evaluated twice. */
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+#define __string2_1bptr_p(__x) \
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+ ((size_t)(const void *)((__x) + 1) - (size_t)(const void *)(__x) == 1)
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+
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+/* Set N bytes of S to C. */
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+#ifndef _HAVE_STRING_ARCH_memset
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+# if _STRING_ARCH_unaligned
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+# define memset(s, c, n) \
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+ (__extension__ (__builtin_constant_p (n) && (n) <= 16 \
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+ ? ((n) == 1 \
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+ ? __memset_1 (s, c) \
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+ : __memset_gc (s, c, n)) \
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+ : (__builtin_constant_p (c) && (c) == '\0' \
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+ ? ({ void *__s = (s); __bzero (__s, n); __s; }) \
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+ : memset (s, c, n))))
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+
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+# define __memset_1(s, c) ({ void *__s = (s); \
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+ *((__uint8_t *) __s) = (__uint8_t) c; __s; })
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+
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+# define __memset_gc(s, c, n) \
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+ ({ void *__s = (s); \
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+ union { \
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+ unsigned int __ui; \
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+ unsigned short int __usi; \
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+ unsigned char __uc; \
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+ } *__u = __s; \
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+ __uint8_t __c = (__uint8_t) (c); \
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+ \
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+ /* This `switch' statement will be removed at compile-time. */ \
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+ switch ((unsigned int) (n)) \
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+ { \
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+ case 15: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 11: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 7: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 3: \
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+ __u->__usi = (unsigned short int) __c * 0x0101; \
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+ __u = __extension__ (void *)((char *) __u + 2); \
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+ __u->__uc = (unsigned char) __c; \
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+ break; \
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+ \
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+ case 14: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 10: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 6: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 2: \
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+ __u->__usi = (unsigned short int) __c * 0x0101; \
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+ break; \
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+ \
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+ case 13: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 9: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 5: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 1: \
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+ __u->__uc = (unsigned char) __c; \
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+ break; \
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+ \
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+ case 16: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 12: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 8: \
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+ __u->__ui = __c * 0x01010101; \
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+ __u = __extension__ (void *)((char *) __u + 4); \
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+ case 4: \
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+ __u->__ui = __c * 0x01010101; \
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+ case 0: \
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+ break; \
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+ } \
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+ \
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+ __s; })
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+# else
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+# define memset(s, c, n) \
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+ (__extension__ (__builtin_constant_p (c) && (c) == '\0' \
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+ ? ({ void *__s = (s); __bzero (__s, n); __s; }) \
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+ : memset (s, c, n)))
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+# endif
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+
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+/* GCC optimizes memset(s, 0, n) but not bzero(s, n).
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+ The optimization is broken before EGCS 1.1. */
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+# if defined __GNUC__ \
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+ && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 90))
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+# define __bzero(s, n) __builtin_memset (s, '\0', n)
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+# endif
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+
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+#endif
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+
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+
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+/* Copy N bytes from SRC to DEST, returning pointer to byte following the
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+ last copied. */
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+#ifdef __USE_GNU
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+# ifndef _HAVE_STRING_ARCH_mempcpy
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+# define __mempcpy(dest, src, n) \
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+ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \
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+ && __string2_1bptr_p (src) && n <= 8 \
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+ ? __mempcpy_small (dest, __mempcpy_args (src), n) \
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+ : __mempcpy (dest, src, n)))
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+/* In glibc we use this function frequently but for namespace reasons
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+ we have to use the name `__mempcpy'. */
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+# define mempcpy(dest, src, n) __mempcpy (dest, src, n)
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+
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+# if _STRING_ARCH_unaligned
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+# define __mempcpy_args(src) \
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+ ((char *) (src))[0], ((char *) (src))[2], ((char *) (src))[4], \
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+ ((char *) (src))[6], \
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+ __extension__ __STRING2_SMALL_GET16 (src, 0), \
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+ __extension__ __STRING2_SMALL_GET16 (src, 4), \
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+ __extension__ __STRING2_SMALL_GET32 (src, 0), \
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+ __extension__ __STRING2_SMALL_GET32 (src, 4)
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+__STRING_INLINE void *__mempcpy_small (void *, char, char, char, char,
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+ __uint16_t, __uint16_t, __uint32_t,
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+ __uint32_t, size_t);
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+__STRING_INLINE void *
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+__mempcpy_small (void *__dest1,
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+ char __src0_1, char __src2_1, char __src4_1, char __src6_1,
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+ __uint16_t __src0_2, __uint16_t __src4_2,
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+ __uint32_t __src0_4, __uint32_t __src4_4,
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+ size_t __srclen)
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+{
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+ union {
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+ __uint32_t __ui;
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+ __uint16_t __usi;
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+ unsigned char __uc;
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+ unsigned char __c;
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+ } *__u = __dest1;
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+ switch ((unsigned int) __srclen)
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+ {
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+ case 1:
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+ __u->__c = __src0_1;
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+ __u = __extension__ (void *)((char *) __u + 1);
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+ break;
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+ case 2:
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+ __u->__usi = __src0_2;
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+ __u = __extension__ (void *)((char *) __u + 2);
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+ break;
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+ case 3:
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+ __u->__usi = __src0_2;
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+ __u = __extension__ (void *)((char *) __u + 2);
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+ __u->__c = __src2_1;
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+ __u = __extension__ (void *)((char *) __u + 1);
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+ break;
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+ case 4:
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+ __u->__ui = __src0_4;
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+ __u = __extension__ (void *)((char *) __u + 4);
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+ break;
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+ case 5:
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+ __u->__ui = __src0_4;
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+ __u = __extension__ (void *)((char *) __u + 4);
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+ __u->__c = __src4_1;
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+ __u = __extension__ (void *)((char *) __u + 1);
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+ break;
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+ case 6:
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+ __u->__ui = __src0_4;
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+ __u = __extension__ (void *)((char *) __u + 4);
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+ __u->__usi = __src4_2;
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+ __u = __extension__ (void *)((char *) __u + 2);
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+ break;
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+ case 7:
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+ __u->__ui = __src0_4;
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+ __u = __extension__ (void *)((char *) __u + 4);
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+ __u->__usi = __src4_2;
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+ __u = __extension__ (void *)((char *) __u + 2);
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+ __u->__c = __src6_1;
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+ __u = __extension__ (void *)((char *) __u + 1);
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+ break;
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+ case 8:
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+ __u->__ui = __src0_4;
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+ __u = __extension__ (void *)((char *) __u + 4);
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+ __u->__ui = __src4_4;
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+ __u = __extension__ (void *)((char *) __u + 4);
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+ break;
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+ }
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+ return (void *) __u;
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+}
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+# else
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+# define __mempcpy_args(src) \
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+ ((__const char *) (src))[0], \
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+ __extension__ ((__STRING2_COPY_ARR2) \
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+ { { ((__const char *) (src))[0], ((__const char *) (src))[1] } }), \
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+ __extension__ ((__STRING2_COPY_ARR3) \
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+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
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+ ((__const char *) (src))[2] } }), \
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+ __extension__ ((__STRING2_COPY_ARR4) \
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+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
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+ ((__const char *) (src))[2], ((__const char *) (src))[3] } }), \
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+ __extension__ ((__STRING2_COPY_ARR5) \
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+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
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+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
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+ ((__const char *) (src))[4] } }), \
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+ __extension__ ((__STRING2_COPY_ARR6) \
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+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
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+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
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+ ((__const char *) (src))[4], ((__const char *) (src))[5] } }), \
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+ __extension__ ((__STRING2_COPY_ARR7) \
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+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
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+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
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+ ((__const char *) (src))[4], ((__const char *) (src))[5], \
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+ ((__const char *) (src))[6] } }), \
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+ __extension__ ((__STRING2_COPY_ARR8) \
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+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
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+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
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+ ((__const char *) (src))[4], ((__const char *) (src))[5], \
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+ ((__const char *) (src))[6], ((__const char *) (src))[7] } })
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+__STRING_INLINE void *__mempcpy_small (void *, char, __STRING2_COPY_ARR2,
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+ __STRING2_COPY_ARR3,
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+ __STRING2_COPY_ARR4,
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+ __STRING2_COPY_ARR5,
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+ __STRING2_COPY_ARR6,
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+ __STRING2_COPY_ARR7,
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+ __STRING2_COPY_ARR8, size_t);
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+__STRING_INLINE void *
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+__mempcpy_small (void *__dest, char __src1,
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+ __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
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+ __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
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+ __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
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+ __STRING2_COPY_ARR8 __src8, size_t __srclen)
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+{
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+ union {
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+ char __c;
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+ __STRING2_COPY_ARR2 __sca2;
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+ __STRING2_COPY_ARR3 __sca3;
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+ __STRING2_COPY_ARR4 __sca4;
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+ __STRING2_COPY_ARR5 __sca5;
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+ __STRING2_COPY_ARR6 __sca6;
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+ __STRING2_COPY_ARR7 __sca7;
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+ __STRING2_COPY_ARR8 __sca8;
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+ } *__u = __dest;
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+ switch ((unsigned int) __srclen)
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+ {
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+ case 1:
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+ __u->__c = __src1;
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+ break;
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+ case 2:
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+ __extension__ __u->__sca2 = __src2;
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+ break;
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+ case 3:
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+ __extension__ __u->__sca3 = __src3;
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+ break;
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|
|
+ case 4:
|
|
|
+ __extension__ __u->__sca4 = __src4;
|
|
|
+ break;
|
|
|
+ case 5:
|
|
|
+ __extension__ __u->__sca5 = __src5;
|
|
|
+ break;
|
|
|
+ case 6:
|
|
|
+ __extension__ __u->__sca6 = __src6;
|
|
|
+ break;
|
|
|
+ case 7:
|
|
|
+ __extension__ __u->__sca7 = __src7;
|
|
|
+ break;
|
|
|
+ case 8:
|
|
|
+ __extension__ __u->__sca8 = __src8;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return __extension__ (void *)((char *) __u + __srclen);
|
|
|
+}
|
|
|
+# endif
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Return pointer to C in S. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strchr
|
|
|
+extern __ptr_t __rawmemchr (const __ptr_t __s, int __c);
|
|
|
+# define strchr(s, c) \
|
|
|
+ (__extension__ (__builtin_constant_p (c) && (c) == '\0' \
|
|
|
+ ? (char *) __rawmemchr (s, c) \
|
|
|
+ : strchr (s, c)))
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Copy SRC to DEST. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strcpy
|
|
|
+# define strcpy(dest, src) \
|
|
|
+ (__extension__ (__builtin_constant_p (src) \
|
|
|
+ ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \
|
|
|
+ ? __strcpy_small (dest, __strcpy_args (src), \
|
|
|
+ strlen (src) + 1) \
|
|
|
+ : (char *) memcpy (dest, src, strlen (src) + 1)) \
|
|
|
+ : strcpy (dest, src)))
|
|
|
+
|
|
|
+# if _STRING_ARCH_unaligned
|
|
|
+# define __strcpy_args(src) \
|
|
|
+ __extension__ __STRING2_SMALL_GET16 (src, 0), \
|
|
|
+ __extension__ __STRING2_SMALL_GET16 (src, 4), \
|
|
|
+ __extension__ __STRING2_SMALL_GET32 (src, 0), \
|
|
|
+ __extension__ __STRING2_SMALL_GET32 (src, 4)
|
|
|
+__STRING_INLINE char *__strcpy_small (char *, __uint16_t, __uint16_t,
|
|
|
+ __uint32_t, __uint32_t, size_t);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strcpy_small (char *__dest,
|
|
|
+ __uint16_t __src0_2, __uint16_t __src4_2,
|
|
|
+ __uint32_t __src0_4, __uint32_t __src4_4,
|
|
|
+ size_t __srclen)
|
|
|
+{
|
|
|
+ union {
|
|
|
+ __uint32_t __ui;
|
|
|
+ __uint16_t __usi;
|
|
|
+ unsigned char __uc;
|
|
|
+ } *__u = (void *) __dest;
|
|
|
+ switch ((unsigned int) __srclen)
|
|
|
+ {
|
|
|
+ case 1:
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 2:
|
|
|
+ __u->__usi = __src0_2;
|
|
|
+ break;
|
|
|
+ case 3:
|
|
|
+ __u->__usi = __src0_2;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 2);
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 4:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ break;
|
|
|
+ case 5:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 6:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__usi = __src4_2;
|
|
|
+ break;
|
|
|
+ case 7:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__usi = __src4_2;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 2);
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 8:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__ui = __src4_4;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return __dest;
|
|
|
+}
|
|
|
+# else
|
|
|
+# define __strcpy_args(src) \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR2) \
|
|
|
+ { { ((__const char *) (src))[0], '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR3) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR4) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR5) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR6) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ ((__const char *) (src))[4], '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR7) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ ((__const char *) (src))[4], ((__const char *) (src))[5], \
|
|
|
+ '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR8) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ ((__const char *) (src))[4], ((__const char *) (src))[5], \
|
|
|
+ ((__const char *) (src))[6], '\0' } })
|
|
|
+__STRING_INLINE char *__strcpy_small (char *, __STRING2_COPY_ARR2,
|
|
|
+ __STRING2_COPY_ARR3,
|
|
|
+ __STRING2_COPY_ARR4,
|
|
|
+ __STRING2_COPY_ARR5,
|
|
|
+ __STRING2_COPY_ARR6,
|
|
|
+ __STRING2_COPY_ARR7,
|
|
|
+ __STRING2_COPY_ARR8, size_t);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strcpy_small (char *__dest,
|
|
|
+ __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
|
|
|
+ __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
|
|
|
+ __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
|
|
|
+ __STRING2_COPY_ARR8 __src8, size_t __srclen)
|
|
|
+{
|
|
|
+ union {
|
|
|
+ char __c;
|
|
|
+ __STRING2_COPY_ARR2 __sca2;
|
|
|
+ __STRING2_COPY_ARR3 __sca3;
|
|
|
+ __STRING2_COPY_ARR4 __sca4;
|
|
|
+ __STRING2_COPY_ARR5 __sca5;
|
|
|
+ __STRING2_COPY_ARR6 __sca6;
|
|
|
+ __STRING2_COPY_ARR7 __sca7;
|
|
|
+ __STRING2_COPY_ARR8 __sca8;
|
|
|
+ } *__u = (void *) __dest;
|
|
|
+ switch ((unsigned int) __srclen)
|
|
|
+ {
|
|
|
+ case 1:
|
|
|
+ __u->__c = '\0';
|
|
|
+ break;
|
|
|
+ case 2:
|
|
|
+ __extension__ __u->__sca2 = __src2;
|
|
|
+ break;
|
|
|
+ case 3:
|
|
|
+ __extension__ __u->__sca3 = __src3;
|
|
|
+ break;
|
|
|
+ case 4:
|
|
|
+ __extension__ __u->__sca4 = __src4;
|
|
|
+ break;
|
|
|
+ case 5:
|
|
|
+ __extension__ __u->__sca5 = __src5;
|
|
|
+ break;
|
|
|
+ case 6:
|
|
|
+ __extension__ __u->__sca6 = __src6;
|
|
|
+ break;
|
|
|
+ case 7:
|
|
|
+ __extension__ __u->__sca7 = __src7;
|
|
|
+ break;
|
|
|
+ case 8:
|
|
|
+ __extension__ __u->__sca8 = __src8;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return __dest;
|
|
|
+}
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Copy SRC to DEST, returning pointer to final NUL byte. */
|
|
|
+#ifdef __USE_GNU
|
|
|
+# ifndef _HAVE_STRING_ARCH_stpcpy
|
|
|
+# define __stpcpy(dest, src) \
|
|
|
+ (__extension__ (__builtin_constant_p (src) \
|
|
|
+ ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \
|
|
|
+ ? __stpcpy_small (dest, __stpcpy_args (src), \
|
|
|
+ strlen (src) + 1) \
|
|
|
+ : ((char *) __mempcpy (dest, src, strlen (src) + 1) - 1))\
|
|
|
+ : __stpcpy (dest, src)))
|
|
|
+/* In glibc we use this function frequently but for namespace reasons
|
|
|
+ we have to use the name `__stpcpy'. */
|
|
|
+# define stpcpy(dest, src) __stpcpy (dest, src)
|
|
|
+
|
|
|
+# if _STRING_ARCH_unaligned
|
|
|
+# define __stpcpy_args(src) \
|
|
|
+ __extension__ __STRING2_SMALL_GET16 (src, 0), \
|
|
|
+ __extension__ __STRING2_SMALL_GET16 (src, 4), \
|
|
|
+ __extension__ __STRING2_SMALL_GET32 (src, 0), \
|
|
|
+ __extension__ __STRING2_SMALL_GET32 (src, 4)
|
|
|
+__STRING_INLINE char *__stpcpy_small (char *, __uint16_t, __uint16_t,
|
|
|
+ __uint32_t, __uint32_t, size_t);
|
|
|
+__STRING_INLINE char *
|
|
|
+__stpcpy_small (char *__dest,
|
|
|
+ __uint16_t __src0_2, __uint16_t __src4_2,
|
|
|
+ __uint32_t __src0_4, __uint32_t __src4_4,
|
|
|
+ size_t __srclen)
|
|
|
+{
|
|
|
+ union {
|
|
|
+ unsigned int __ui;
|
|
|
+ unsigned short int __usi;
|
|
|
+ unsigned char __uc;
|
|
|
+ char __c;
|
|
|
+ } *__u = (void *) __dest;
|
|
|
+ switch ((unsigned int) __srclen)
|
|
|
+ {
|
|
|
+ case 1:
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 2:
|
|
|
+ __u->__usi = __src0_2;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 1);
|
|
|
+ break;
|
|
|
+ case 3:
|
|
|
+ __u->__usi = __src0_2;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 2);
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 4:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 3);
|
|
|
+ break;
|
|
|
+ case 5:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 6:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__usi = __src4_2;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 1);
|
|
|
+ break;
|
|
|
+ case 7:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__usi = __src4_2;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 2);
|
|
|
+ __u->__uc = '\0';
|
|
|
+ break;
|
|
|
+ case 8:
|
|
|
+ __u->__ui = __src0_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 4);
|
|
|
+ __u->__ui = __src4_4;
|
|
|
+ __u = __extension__ (void *)((char *) __u + 3);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return &__u->__c;
|
|
|
+}
|
|
|
+# else
|
|
|
+# define __stpcpy_args(src) \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR2) \
|
|
|
+ { { ((__const char *) (src))[0], '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR3) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR4) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR5) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR6) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ ((__const char *) (src))[4], '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR7) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ ((__const char *) (src))[4], ((__const char *) (src))[5], \
|
|
|
+ '\0' } }), \
|
|
|
+ __extension__ ((__STRING2_COPY_ARR8) \
|
|
|
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
|
|
|
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
|
|
|
+ ((__const char *) (src))[4], ((__const char *) (src))[5], \
|
|
|
+ ((__const char *) (src))[6], '\0' } })
|
|
|
+__STRING_INLINE char *__stpcpy_small (char *, __STRING2_COPY_ARR2,
|
|
|
+ __STRING2_COPY_ARR3,
|
|
|
+ __STRING2_COPY_ARR4,
|
|
|
+ __STRING2_COPY_ARR5,
|
|
|
+ __STRING2_COPY_ARR6,
|
|
|
+ __STRING2_COPY_ARR7,
|
|
|
+ __STRING2_COPY_ARR8, size_t);
|
|
|
+__STRING_INLINE char *
|
|
|
+__stpcpy_small (char *__dest,
|
|
|
+ __STRING2_COPY_ARR2 __src2, __STRING2_COPY_ARR3 __src3,
|
|
|
+ __STRING2_COPY_ARR4 __src4, __STRING2_COPY_ARR5 __src5,
|
|
|
+ __STRING2_COPY_ARR6 __src6, __STRING2_COPY_ARR7 __src7,
|
|
|
+ __STRING2_COPY_ARR8 __src8, size_t __srclen)
|
|
|
+{
|
|
|
+ union {
|
|
|
+ char __c;
|
|
|
+ __STRING2_COPY_ARR2 __sca2;
|
|
|
+ __STRING2_COPY_ARR3 __sca3;
|
|
|
+ __STRING2_COPY_ARR4 __sca4;
|
|
|
+ __STRING2_COPY_ARR5 __sca5;
|
|
|
+ __STRING2_COPY_ARR6 __sca6;
|
|
|
+ __STRING2_COPY_ARR7 __sca7;
|
|
|
+ __STRING2_COPY_ARR8 __sca8;
|
|
|
+ } *__u = (void *) __dest;
|
|
|
+ switch ((unsigned int) __srclen)
|
|
|
+ {
|
|
|
+ case 1:
|
|
|
+ __u->__c = '\0';
|
|
|
+ break;
|
|
|
+ case 2:
|
|
|
+ __extension__ __u->__sca2 = __src2;
|
|
|
+ break;
|
|
|
+ case 3:
|
|
|
+ __extension__ __u->__sca3 = __src3;
|
|
|
+ break;
|
|
|
+ case 4:
|
|
|
+ __extension__ __u->__sca4 = __src4;
|
|
|
+ break;
|
|
|
+ case 5:
|
|
|
+ __extension__ __u->__sca5 = __src5;
|
|
|
+ break;
|
|
|
+ case 6:
|
|
|
+ __extension__ __u->__sca6 = __src6;
|
|
|
+ break;
|
|
|
+ case 7:
|
|
|
+ __extension__ __u->__sca7 = __src7;
|
|
|
+ break;
|
|
|
+ case 8:
|
|
|
+ __extension__ __u->__sca8 = __src8;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ return __dest + __srclen - 1;
|
|
|
+}
|
|
|
+# endif
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Copy no more than N characters of SRC to DEST. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strncpy
|
|
|
+# if defined _HAVE_STRING_ARCH_memset && defined _HAVE_STRING_ARCH_mempcpy
|
|
|
+# define strncpy(dest, src, n) \
|
|
|
+ (__extension__ ({ char *__dest = (dest); \
|
|
|
+ __builtin_constant_p (src) && __builtin_constant_p (n) \
|
|
|
+ ? (strlen (src) + 1 >= ((size_t) (n)) \
|
|
|
+ ? (char *) memcpy (__dest, src, n) \
|
|
|
+ : (memset (__mempcpy (__dest, src, strlen (src)), \
|
|
|
+ '\0', n - strlen (src)), \
|
|
|
+ __dest)) \
|
|
|
+ : strncpy (__dest, src, n); }))
|
|
|
+# else
|
|
|
+# define strncpy(dest, src, n) \
|
|
|
+ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \
|
|
|
+ ? (strlen (src) + 1 >= ((size_t) (n)) \
|
|
|
+ ? (char *) memcpy (dest, src, n) \
|
|
|
+ : strncpy (dest, src, n)) \
|
|
|
+ : strncpy (dest, src, n)))
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Append no more than N characters from SRC onto DEST. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strncat
|
|
|
+# ifdef _HAVE_STRING_ARCH_strchr
|
|
|
+# define strncat(dest, src, n) \
|
|
|
+ (__extension__ ({ char *__dest = (dest); \
|
|
|
+ __builtin_constant_p (src) && __builtin_constant_p (n) \
|
|
|
+ ? (strlen (src) < ((size_t) (n)) \
|
|
|
+ ? strcat (__dest, src) \
|
|
|
+ : (memcpy (strchr (__dest, '\0'), src, n), __dest)) \
|
|
|
+ : strncat (dest, src, n); }))
|
|
|
+# else
|
|
|
+# define strncat(dest, src, n) \
|
|
|
+ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \
|
|
|
+ ? (strlen (src) < ((size_t) (n)) \
|
|
|
+ ? strcat (dest, src) \
|
|
|
+ : strncat (dest, src, n)) \
|
|
|
+ : strncat (dest, src, n)))
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Compare characters of S1 and S2. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strcmp
|
|
|
+# define strcmp(s1, s2) \
|
|
|
+ __extension__ \
|
|
|
+ ({ size_t __s1_len, __s2_len; \
|
|
|
+ (__builtin_constant_p (s1) && __builtin_constant_p (s2) \
|
|
|
+ && (__s1_len = strlen (s1), __s2_len = strlen (s2), \
|
|
|
+ (!__string2_1bptr_p (s1) || __s1_len >= 4) \
|
|
|
+ && (!__string2_1bptr_p (s2) || __s2_len >= 4)) \
|
|
|
+ ? memcmp ((__const char *) (s1), (__const char *) (s2), \
|
|
|
+ (__s1_len < __s2_len ? __s1_len : __s2_len) + 1) \
|
|
|
+ : (__builtin_constant_p (s1) && __string2_1bptr_p (s1) \
|
|
|
+ && (__s1_len = strlen (s1), __s1_len < 4) \
|
|
|
+ ? (__builtin_constant_p (s2) && __string2_1bptr_p (s2) \
|
|
|
+ ? __strcmp_cc (s1, s2, __s1_len) \
|
|
|
+ : __strcmp_cg (s1, s2, __s1_len)) \
|
|
|
+ : (__builtin_constant_p (s2) && __string2_1bptr_p (s2) \
|
|
|
+ && (__s2_len = strlen (s2), __s2_len < 4) \
|
|
|
+ ? (__builtin_constant_p (s1) && __string2_1bptr_p (s1) \
|
|
|
+ ? __strcmp_cc (s1, s2, __s2_len) \
|
|
|
+ : __strcmp_gc (s1, s2, __s2_len)) \
|
|
|
+ : strcmp (s1, s2)))); })
|
|
|
+
|
|
|
+# define __strcmp_cc(s1, s2, l) \
|
|
|
+ (__extension__ ({ register int __result = \
|
|
|
+ (((__const unsigned char *) (__const char *) (s1))[0] \
|
|
|
+ - ((__const unsigned char *) (__const char *)(s2))[0]);\
|
|
|
+ if (l > 0 && __result == 0) \
|
|
|
+ { \
|
|
|
+ __result = (((__const unsigned char *) \
|
|
|
+ (__const char *) (s1))[1] \
|
|
|
+ - ((__const unsigned char *) \
|
|
|
+ (__const char *) (s2))[1]); \
|
|
|
+ if (l > 1 && __result == 0) \
|
|
|
+ { \
|
|
|
+ __result = \
|
|
|
+ (((__const unsigned char *) \
|
|
|
+ (__const char *) (s1))[2] \
|
|
|
+ - ((__const unsigned char *) \
|
|
|
+ (__const char *) (s2))[2]); \
|
|
|
+ if (l > 2 && __result == 0) \
|
|
|
+ __result = \
|
|
|
+ (((__const unsigned char *) \
|
|
|
+ (__const char *) (s1))[3] \
|
|
|
+ - ((__const unsigned char *) \
|
|
|
+ (__const char *) (s2))[3]); \
|
|
|
+ } \
|
|
|
+ } \
|
|
|
+ __result; }))
|
|
|
+
|
|
|
+# define __strcmp_cg(s1, s2, l1) \
|
|
|
+ (__extension__ ({ __const unsigned char *__s2 = \
|
|
|
+ (__const unsigned char *) (__const char *) (s2); \
|
|
|
+ register int __result = \
|
|
|
+ (((__const unsigned char *) (__const char *) (s1))[0] \
|
|
|
+ - __s2[0]); \
|
|
|
+ if (l1 > 0 && __result == 0) \
|
|
|
+ { \
|
|
|
+ __result = (((__const unsigned char *) \
|
|
|
+ (__const char *) (s1))[1] - __s2[1]); \
|
|
|
+ if (l1 > 1 && __result == 0) \
|
|
|
+ { \
|
|
|
+ __result = (((__const unsigned char *) \
|
|
|
+ (__const char *) (s1))[2] - __s2[2]);\
|
|
|
+ if (l1 > 2 && __result == 0) \
|
|
|
+ __result = (((__const unsigned char *) \
|
|
|
+ (__const char *) (s1))[3] \
|
|
|
+ - __s2[3]); \
|
|
|
+ } \
|
|
|
+ } \
|
|
|
+ __result; }))
|
|
|
+
|
|
|
+# define __strcmp_gc(s1, s2, l2) \
|
|
|
+ (__extension__ ({ __const unsigned char *__s1 = \
|
|
|
+ (__const unsigned char *) (__const char *) (s1); \
|
|
|
+ register int __result = \
|
|
|
+ __s1[0] - ((__const unsigned char *) \
|
|
|
+ (__const char *) (s2))[0]; \
|
|
|
+ if (l2 > 0 && __result == 0) \
|
|
|
+ { \
|
|
|
+ __result = (__s1[1] \
|
|
|
+ - ((__const unsigned char *) \
|
|
|
+ (__const char *) (s2))[1]); \
|
|
|
+ if (l2 > 1 && __result == 0) \
|
|
|
+ { \
|
|
|
+ __result = \
|
|
|
+ (__s1[2] - ((__const unsigned char *) \
|
|
|
+ (__const char *) (s2))[2]); \
|
|
|
+ if (l2 > 2 && __result == 0) \
|
|
|
+ __result = \
|
|
|
+ (__s1[3] \
|
|
|
+ - ((__const unsigned char *) \
|
|
|
+ (__const char *) (s2))[3]); \
|
|
|
+ } \
|
|
|
+ } \
|
|
|
+ __result; }))
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Compare N characters of S1 and S2. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strncmp
|
|
|
+# define strncmp(s1, s2, n) \
|
|
|
+ (__extension__ (__builtin_constant_p (n) \
|
|
|
+ && ((__builtin_constant_p (s1) \
|
|
|
+ && strlen (s1) < ((size_t) (n))) \
|
|
|
+ || (__builtin_constant_p (s2) \
|
|
|
+ && strlen (s2) < ((size_t) (n)))) \
|
|
|
+ ? strcmp (s1, s2) : strncmp (s1, s2, n)))
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Return the length of the initial segment of S which
|
|
|
+ consists entirely of characters not in REJECT. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strcspn
|
|
|
+# define strcspn(s, reject) \
|
|
|
+ __extension__ \
|
|
|
+ ({ char __r0, __r1, __r2; \
|
|
|
+ (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \
|
|
|
+ ? ((__r0 = ((__const char *) (reject))[0], __r0 == '\0') \
|
|
|
+ ? strlen (s) \
|
|
|
+ : ((__r1 = ((__const char *) (reject))[1], __r1 == '\0') \
|
|
|
+ ? __strcspn_c1 (s, __r0) \
|
|
|
+ : ((__r2 = ((__const char *) (reject))[2], __r2 == '\0') \
|
|
|
+ ? __strcspn_c2 (s, __r0, __r1) \
|
|
|
+ : (((__const char *) (reject))[3] == '\0' \
|
|
|
+ ? __strcspn_c3 (s, __r0, __r1, __r2) \
|
|
|
+ : strcspn (s, reject))))) \
|
|
|
+ : strcspn (s, reject)); })
|
|
|
+
|
|
|
+__STRING_INLINE size_t __strcspn_c1 (__const char *__s, char __reject);
|
|
|
+__STRING_INLINE size_t
|
|
|
+__strcspn_c1 (__const char *__s, char __reject)
|
|
|
+{
|
|
|
+ register size_t __result = 0;
|
|
|
+ while (__s[__result] != '\0' && __s[__result] != __reject)
|
|
|
+ ++__result;
|
|
|
+ return __result;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE size_t __strcspn_c2 (__const char *__s, char __reject1,
|
|
|
+ char __reject2);
|
|
|
+__STRING_INLINE size_t
|
|
|
+__strcspn_c2 (__const char *__s, char __reject1, char __reject2)
|
|
|
+{
|
|
|
+ register size_t __result = 0;
|
|
|
+ while (__s[__result] != '\0' && __s[__result] != __reject1
|
|
|
+ && __s[__result] != __reject2)
|
|
|
+ ++__result;
|
|
|
+ return __result;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE size_t __strcspn_c3 (__const char *__s, char __reject1,
|
|
|
+ char __reject2, char __reject3);
|
|
|
+__STRING_INLINE size_t
|
|
|
+__strcspn_c3 (__const char *__s, char __reject1, char __reject2,
|
|
|
+ char __reject3)
|
|
|
+{
|
|
|
+ register size_t __result = 0;
|
|
|
+ while (__s[__result] != '\0' && __s[__result] != __reject1
|
|
|
+ && __s[__result] != __reject2 && __s[__result] != __reject3)
|
|
|
+ ++__result;
|
|
|
+ return __result;
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Return the length of the initial segment of S which
|
|
|
+ consists entirely of characters in ACCEPT. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strspn
|
|
|
+# define strspn(s, accept) \
|
|
|
+ __extension__ \
|
|
|
+ ({ char __a0, __a1, __a2; \
|
|
|
+ (__builtin_constant_p (accept) && __string2_1bptr_p (accept) \
|
|
|
+ ? ((__a0 = ((__const char *) (accept))[0], __a0 == '\0') \
|
|
|
+ ? 0 \
|
|
|
+ : ((__a1 = ((__const char *) (accept))[1], __a1 == '\0') \
|
|
|
+ ? __strspn_c1 (s, __a0) \
|
|
|
+ : ((__a2 = ((__const char *) (accept))[2], __a2 == '\0') \
|
|
|
+ ? __strspn_c2 (s, __a0, __a1) \
|
|
|
+ : (((__const char *) (accept))[3] == '\0' \
|
|
|
+ ? __strspn_c3 (s, __a0, __a1, __a2) \
|
|
|
+ : strspn (s, accept))))) \
|
|
|
+ : strspn (s, accept)); })
|
|
|
+
|
|
|
+__STRING_INLINE size_t __strspn_c1 (__const char *__s, char __accept);
|
|
|
+__STRING_INLINE size_t
|
|
|
+__strspn_c1 (__const char *__s, char __accept)
|
|
|
+{
|
|
|
+ register size_t __result = 0;
|
|
|
+ /* Please note that __accept never can be '\0'. */
|
|
|
+ while (__s[__result] == __accept)
|
|
|
+ ++__result;
|
|
|
+ return __result;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE size_t __strspn_c2 (__const char *__s, char __accept1,
|
|
|
+ char __accept2);
|
|
|
+__STRING_INLINE size_t
|
|
|
+__strspn_c2 (__const char *__s, char __accept1, char __accept2)
|
|
|
+{
|
|
|
+ register size_t __result = 0;
|
|
|
+ /* Please note that __accept1 and __accept2 never can be '\0'. */
|
|
|
+ while (__s[__result] == __accept1 || __s[__result] == __accept2)
|
|
|
+ ++__result;
|
|
|
+ return __result;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE size_t __strspn_c3 (__const char *__s, char __accept1,
|
|
|
+ char __accept2, char __accept3);
|
|
|
+__STRING_INLINE size_t
|
|
|
+__strspn_c3 (__const char *__s, char __accept1, char __accept2, char __accept3)
|
|
|
+{
|
|
|
+ register size_t __result = 0;
|
|
|
+ /* Please note that __accept1 to __accept3 never can be '\0'. */
|
|
|
+ while (__s[__result] == __accept1 || __s[__result] == __accept2
|
|
|
+ || __s[__result] == __accept3)
|
|
|
+ ++__result;
|
|
|
+ return __result;
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Find the first occurrence in S of any character in ACCEPT. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strpbrk
|
|
|
+# define strpbrk(s, accept) \
|
|
|
+ __extension__ \
|
|
|
+ ({ char __a0, __a1, __a2; \
|
|
|
+ (__builtin_constant_p (accept) && __string2_1bptr_p (accept) \
|
|
|
+ ? ((__a0 = ((__const char *) (accept))[0], __a0 == '\0') \
|
|
|
+ ? NULL \
|
|
|
+ : ((__a1 = ((__const char *) (accept))[1], __a1 == '\0') \
|
|
|
+ ? strchr (s, __a0) \
|
|
|
+ : ((__a2 = ((__const char *) (accept))[2], __a2 == '\0') \
|
|
|
+ ? __strpbrk_c2 (s, __a0, __a1) \
|
|
|
+ : (((__const char *) (accept))[3] == '\0' \
|
|
|
+ ? __strpbrk_c3 (s, __a0, __a1, __a2) \
|
|
|
+ : strpbrk (s, accept))))) \
|
|
|
+ : strpbrk (s, accept)); })
|
|
|
+
|
|
|
+__STRING_INLINE char *__strpbrk_c2 (__const char *__s, char __accept1,
|
|
|
+ char __accept2);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strpbrk_c2 (__const char *__s, char __accept1, char __accept2)
|
|
|
+{
|
|
|
+ /* Please note that __accept1 and __accept2 never can be '\0'. */
|
|
|
+ while (*__s != '\0' && *__s != __accept1 && *__s != __accept2)
|
|
|
+ ++__s;
|
|
|
+ return *__s == '\0' ? NULL : (char *) (size_t) __s;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE char *__strpbrk_c3 (__const char *__s, char __accept1,
|
|
|
+ char __accept2, char __accept3);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strpbrk_c3 (__const char *__s, char __accept1, char __accept2,
|
|
|
+ char __accept3)
|
|
|
+{
|
|
|
+ /* Please note that __accept1 to __accept3 never can be '\0'. */
|
|
|
+ while (*__s != '\0' && *__s != __accept1 && *__s != __accept2
|
|
|
+ && *__s != __accept3)
|
|
|
+ ++__s;
|
|
|
+ return *__s == '\0' ? NULL : (char *) (size_t) __s;
|
|
|
+}
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/* Find the first occurrence of NEEDLE in HAYSTACK. */
|
|
|
+#ifndef _HAVE_STRING_ARCH_strstr
|
|
|
+# define strstr(haystack, needle) \
|
|
|
+ (__extension__ (__builtin_constant_p (needle) && __string2_1bptr_p (needle) \
|
|
|
+ ? (((__const char *) (needle))[0] == '\0' \
|
|
|
+ ? (char *) (size_t) (haystack) \
|
|
|
+ : (((__const char *) (needle))[1] == '\0' \
|
|
|
+ ? strchr (haystack, \
|
|
|
+ ((__const char *) (needle))[0]) \
|
|
|
+ : strstr (haystack, needle))) \
|
|
|
+ : strstr (haystack, needle)))
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+#if defined __USE_GNU && !defined _FORCE_INLINES
|
|
|
+# ifndef _HAVE_STRING_ARCH_strnlen
|
|
|
+__STRING_INLINE size_t
|
|
|
+strnlen (__const char *__string, size_t __maxlen)
|
|
|
+{
|
|
|
+ __const char *__end = (__const char *) memchr (__string, '\0', __maxlen);
|
|
|
+ return __end ? (size_t) (__end - __string) : __maxlen;
|
|
|
+}
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+#ifndef _HAVE_STRING_ARCH_strtok_r
|
|
|
+# define __strtok_r(s, sep, nextp) \
|
|
|
+ (__extension__ (__builtin_constant_p (sep) && __string2_1bptr_p (sep) \
|
|
|
+ ? (((__const char *) (sep))[0] != '\0' \
|
|
|
+ && ((__const char *) (sep))[1] == '\0' \
|
|
|
+ ? __strtok_r_1c (s, ((__const char *) (sep))[0], nextp) \
|
|
|
+ : __strtok_r (s, sep, nextp)) \
|
|
|
+ : __strtok_r (s, sep, nextp)))
|
|
|
+
|
|
|
+__STRING_INLINE char *__strtok_r_1c (char *__s, char __sep, char **__nextp);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strtok_r_1c (char *__s, char __sep, char **__nextp)
|
|
|
+{
|
|
|
+ char *__result;
|
|
|
+ if (__s == NULL)
|
|
|
+ __s = *__nextp;
|
|
|
+ while (*__s == __sep)
|
|
|
+ ++__s;
|
|
|
+ if (*__s == '\0')
|
|
|
+ __result = NULL;
|
|
|
+ else
|
|
|
+ {
|
|
|
+ __result = __s;
|
|
|
+ while (*__s != '\0' && *__s != __sep)
|
|
|
+ ++__s;
|
|
|
+ if (*__s == '\0')
|
|
|
+ *__nextp = __s;
|
|
|
+ else
|
|
|
+ {
|
|
|
+ *__s = '\0';
|
|
|
+ *__nextp = __s + 1;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return __result;
|
|
|
+}
|
|
|
+# if defined __USE_POSIX || defined __USE_MISC
|
|
|
+# define strtok_r(s, sep, nextp) __strtok_r ((s), (sep), (nextp))
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+#ifndef _HAVE_STRING_ARCH_strsep
|
|
|
+
|
|
|
+# define __strsep(s, reject) \
|
|
|
+ __extension__ \
|
|
|
+ ({ char __r0, __r1, __r2; \
|
|
|
+ (__builtin_constant_p (reject) && __string2_1bptr_p (reject) \
|
|
|
+ && (__r0 = ((__const char *) (reject))[0], \
|
|
|
+ ((__const char *) (reject))[0] != '\0') \
|
|
|
+ ? ((__r1 = ((__const char *) (reject))[1], \
|
|
|
+ ((__const char *) (reject))[1] == '\0') \
|
|
|
+ ? __strsep_1c (s, __r0) \
|
|
|
+ : ((__r2 = ((__const char *) (reject))[2], __r2 == '\0') \
|
|
|
+ ? __strsep_2c (s, __r0, __r1) \
|
|
|
+ : (((__const char *) (reject))[3] == '\0' \
|
|
|
+ ? __strsep_3c (s, __r0, __r1, __r2) \
|
|
|
+ : __strsep_g (s, reject)))) \
|
|
|
+ : __strsep_g (s, reject)); })
|
|
|
+
|
|
|
+__STRING_INLINE char *__strsep_1c (char **__s, char __reject);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strsep_1c (char **__s, char __reject)
|
|
|
+{
|
|
|
+ register char *__retval = *__s;
|
|
|
+ if (__retval == NULL)
|
|
|
+ return *__s = NULL;
|
|
|
+ if (*__retval == __reject)
|
|
|
+ *(*__s)++ = '\0';
|
|
|
+ else
|
|
|
+ if ((*__s = strchr (__retval, __reject)) != NULL)
|
|
|
+ *(*__s)++ = '\0';
|
|
|
+ else
|
|
|
+ *__s = NULL;
|
|
|
+ return __retval;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE char *__strsep_2c (char **__s, char __reject1, char __reject2);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strsep_2c (char **__s, char __reject1, char __reject2)
|
|
|
+{
|
|
|
+ register char *__retval = *__s;
|
|
|
+ if (__retval == NULL)
|
|
|
+ return *__s = NULL;
|
|
|
+ if (*__retval == __reject1 || *__retval == __reject2)
|
|
|
+ *(*__s)++ = '\0';
|
|
|
+ else
|
|
|
+ {
|
|
|
+ register char *__cp = __retval;
|
|
|
+ while (*__cp != '\0' && *__cp != __reject1 && *__cp != __reject2)
|
|
|
+ ++__cp;
|
|
|
+ if (*__cp != '\0')
|
|
|
+ {
|
|
|
+ *__s = __cp;
|
|
|
+ *(*__s)++ = '\0';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ *__s = NULL;
|
|
|
+ }
|
|
|
+ return __retval;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE char *__strsep_3c (char **__s, char __reject1, char __reject2,
|
|
|
+ char __reject3);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strsep_3c (char **__s, char __reject1, char __reject2, char __reject3)
|
|
|
+{
|
|
|
+ register char *__retval = *__s;
|
|
|
+ if (__retval == NULL)
|
|
|
+ return *__s = NULL;
|
|
|
+ if (*__retval == __reject1 || *__retval == __reject2
|
|
|
+ || *__retval == __reject3)
|
|
|
+ *(*__s)++ = '\0';
|
|
|
+ else
|
|
|
+ {
|
|
|
+ register char *__cp = __retval;
|
|
|
+ while (*__cp != '\0' && *__cp != __reject1 && *__cp != __reject2
|
|
|
+ && *__cp != __reject3)
|
|
|
+ ++__cp;
|
|
|
+ if (*__cp != '\0')
|
|
|
+ {
|
|
|
+ *__s = __cp;
|
|
|
+ *(*__s)++ = '\0';
|
|
|
+ }
|
|
|
+ else
|
|
|
+ *__s = NULL;
|
|
|
+ }
|
|
|
+ return __retval;
|
|
|
+}
|
|
|
+
|
|
|
+__STRING_INLINE char *__strsep_g (char **__s, __const char *__reject);
|
|
|
+__STRING_INLINE char *
|
|
|
+__strsep_g (char **__s, __const char *__reject)
|
|
|
+{
|
|
|
+ register char *__retval = *__s;
|
|
|
+ if (__retval == NULL)
|
|
|
+ return NULL;
|
|
|
+ if ((*__s = strpbrk (__retval, __reject)) != NULL)
|
|
|
+ *(*__s)++ = '\0';
|
|
|
+ return __retval;
|
|
|
+}
|
|
|
+# ifdef __USE_BSD
|
|
|
+# define strsep(s, reject) __strsep ((s), (reject))
|
|
|
+# endif
|
|
|
+#endif
|
|
|
+
|
|
|
+/* We need the memory allocation functions for inline strdup().
|
|
|
+ Referring to stdlib.h (even minimally) is not allowed
|
|
|
+ in any of the tight standards compliant modes. */
|
|
|
+#ifdef __USE_MISC
|
|
|
+
|
|
|
+# if !defined _HAVE_STRING_ARCH_strdup || !defined _HAVE_STRING_ARCH_strndup
|
|
|
+# define __need_malloc_and_calloc
|
|
|
+# include <stdlib.h>
|
|
|
+# endif
|
|
|
+
|
|
|
+# ifndef _HAVE_STRING_ARCH_strdup
|
|
|
+
|
|
|
+# define __strdup(s) \
|
|
|
+ (__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s) \
|
|
|
+ ? (((__const char *) (s))[0] == '\0' \
|
|
|
+ ? (char *) calloc (1, 1) \
|
|
|
+ : ({ size_t __len = strlen (s) + 1; \
|
|
|
+ char *__retval = (char *) malloc (__len); \
|
|
|
+ if (__retval != NULL) \
|
|
|
+ __retval = (char *) memcpy (__retval, s, __len); \
|
|
|
+ __retval; })) \
|
|
|
+ : __strdup (s)))
|
|
|
+
|
|
|
+# if defined __USE_SVID || defined __USE_BSD || defined __USE_XOPEN_EXTENDED
|
|
|
+# define strdup(s) __strdup (s)
|
|
|
+# endif
|
|
|
+# endif
|
|
|
+
|
|
|
+#endif /* Use misc. or use GNU. */
|
|
|
+
|
|
|
+#ifndef _FORCE_INLINES
|
|
|
+# undef __STRING_INLINE
|
|
|
+#endif
|
|
|
+
|
|
|
+#endif /* No string inlines. */
|