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Diffstat (limited to 'libc/sysdeps/linux/common/bits/string2.h')
-rw-r--r--libc/sysdeps/linux/common/bits/string2.h1265
1 files changed, 1265 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/common/bits/string2.h b/libc/sysdeps/linux/common/bits/string2.h
new file mode 100644
index 000000000..8f9fbd120
--- /dev/null
+++ b/libc/sysdeps/linux/common/bits/string2.h
@@ -0,0 +1,1265 @@
+/* Machine-independant string function optimizations.
+ Copyright (C) 1997,1998,1999,2000,2001,2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ 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 _STRING_H
+# error "Never use <bits/string2.h> directly; include <string.h> instead."
+#endif
+
+#if !defined __NO_STRING_INLINES && !defined __BOUNDED_POINTERS__
+
+/* Unlike the definitions in the header <bits/string.h> the
+ definitions contained here are not optimized down to assembler
+ level. Those optimizations are not always a good idea since this
+ means the code size increases a lot. Instead the definitions here
+ optimize some functions in a way which do not dramatically
+ increase the code size and which do not use assembler. The main
+ trick is to use GNU CC's `__builtin_constant_p' function.
+
+ Every function XXX which has a defined version in
+ <bits/string.h> must be accompanied by a symbol _HAVE_STRING_ARCH_XXX
+ to make sure we don't get redefinitions.
+
+ We must use here macros instead of inline functions since the
+ trick won't work with the latter. */
+
+#ifndef __STRING_INLINE
+# ifdef __cplusplus
+# define __STRING_INLINE inline
+# else
+# define __STRING_INLINE extern __inline
+# endif
+#endif
+
+#if _STRING_ARCH_unaligned
+/* If we can do unaligned memory accesses we must know the endianess. */
+# include <endian.h>
+# include <bits/types.h>
+
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+# define __STRING2_SMALL_GET16(src, idx) \
+ (((__const unsigned char *) (__const char *) (src))[idx + 1] << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx])
+# define __STRING2_SMALL_GET32(src, idx) \
+ (((((__const unsigned char *) (__const char *) (src))[idx + 3] << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx + 2]) << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx + 1]) << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx])
+# else
+# define __STRING2_SMALL_GET16(src, idx) \
+ (((__const unsigned char *) (__const char *) (src))[idx] << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx + 1])
+# define __STRING2_SMALL_GET32(src, idx) \
+ (((((__const unsigned char *) (__const char *) (src))[idx] << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx + 1]) << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx + 2]) << 8 \
+ | ((__const unsigned char *) (__const char *) (src))[idx + 3])
+# endif
+#else
+/* These are a few types we need for the optimizations if we cannot
+ use unaligned memory accesses. */
+# define __STRING2_COPY_TYPE(N) \
+ typedef struct { unsigned char __arr[N]; } \
+ __STRING2_COPY_ARR##N __attribute__ ((packed))
+__STRING2_COPY_TYPE (2);
+__STRING2_COPY_TYPE (3);
+__STRING2_COPY_TYPE (4);
+__STRING2_COPY_TYPE (5);
+__STRING2_COPY_TYPE (6);
+__STRING2_COPY_TYPE (7);
+__STRING2_COPY_TYPE (8);
+# undef __STRING2_COPY_TYPE
+#endif
+
+/* Dereferencing a pointer arg to run sizeof on it fails for the void
+ pointer case, so we use this instead.
+ Note that __x is evaluated twice. */
+#define __string2_1bptr_p(__x) \
+ ((size_t)(const void *)((__x) + 1) - (size_t)(const void *)(__x) == 1)
+
+/* Set N bytes of S to C. */
+#ifndef _HAVE_STRING_ARCH_memset
+# if _STRING_ARCH_unaligned
+# define memset(s, c, n) \
+ (__extension__ (__builtin_constant_p (n) && (n) <= 16 \
+ ? ((n) == 1 \
+ ? __memset_1 (s, c) \
+ : __memset_gc (s, c, n)) \
+ : (__builtin_constant_p (c) && (c) == '\0' \
+ ? ({ void *__s = (s); __bzero (__s, n); __s; }) \
+ : memset (s, c, n))))
+
+# define __memset_1(s, c) ({ void *__s = (s); \
+ *((__uint8_t *) __s) = (__uint8_t) c; __s; })
+
+# define __memset_gc(s, c, n) \
+ ({ void *__s = (s); \
+ union { \
+ unsigned int __ui; \
+ unsigned short int __usi; \
+ unsigned char __uc; \
+ } *__u = __s; \
+ __uint8_t __c = (__uint8_t) (c); \
+ \
+ /* This `switch' statement will be removed at compile-time. */ \
+ switch ((unsigned int) (n)) \
+ { \
+ case 15: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 11: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 7: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 3: \
+ __u->__usi = (unsigned short int) __c * 0x0101; \
+ __u = __extension__ (void *)((char *) __u + 2); \
+ __u->__uc = (unsigned char) __c; \
+ break; \
+ \
+ case 14: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 10: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 6: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 2: \
+ __u->__usi = (unsigned short int) __c * 0x0101; \
+ break; \
+ \
+ case 13: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 9: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 5: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 1: \
+ __u->__uc = (unsigned char) __c; \
+ break; \
+ \
+ case 16: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 12: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 8: \
+ __u->__ui = __c * 0x01010101; \
+ __u = __extension__ (void *)((char *) __u + 4); \
+ case 4: \
+ __u->__ui = __c * 0x01010101; \
+ case 0: \
+ break; \
+ } \
+ \
+ __s; })
+# else
+# define memset(s, c, n) \
+ (__extension__ (__builtin_constant_p (c) && (c) == '\0' \
+ ? ({ void *__s = (s); __bzero (__s, n); __s; }) \
+ : memset (s, c, n)))
+# endif
+
+/* GCC optimizes memset(s, 0, n) but not bzero(s, n).
+ The optimization is broken before EGCS 1.1. */
+# if __GNUC_PREREQ (2, 91)
+# define __bzero(s, n) __builtin_memset (s, '\0', n)
+# endif
+
+#endif
+
+
+/* Copy N bytes from SRC to DEST, returning pointer to byte following the
+ last copied. */
+#ifdef __USE_GNU
+# if !defined _HAVE_STRING_ARCH_mempcpy || defined _FORCE_INLINES
+# ifndef _HAVE_STRING_ARCH_mempcpy
+# if __GNUC_PREREQ (3, 0)
+# define __mempcpy(dest, src, n) \
+ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \
+ && __string2_1bptr_p (src) && n <= 8 \
+ ? __builtin_memcpy (dest, src, n) + (n) \
+ : __mempcpy (dest, src, n)))
+# else
+# define __mempcpy(dest, src, n) \
+ (__extension__ (__builtin_constant_p (src) && __builtin_constant_p (n) \
+ && __string2_1bptr_p (src) && n <= 8 \
+ ? __mempcpy_small (dest, __mempcpy_args (src), n) \
+ : __mempcpy (dest, src, n)))
+# endif
+/* In glibc we use this function frequently but for namespace reasons
+ we have to use the name `__mempcpy'. */
+# define mempcpy(dest, src, n) __mempcpy (dest, src, n)
+# endif
+
+# if !__GNUC_PREREQ (3, 0) || defined _FORCE_INLINES
+# if _STRING_ARCH_unaligned
+# ifndef _FORCE_INLINES
+# define __mempcpy_args(src) \
+ ((__const char *) (src))[0], ((__const char *) (src))[2], \
+ ((__const char *) (src))[4], ((__const char *) (src))[6], \
+ __extension__ __STRING2_SMALL_GET16 (src, 0), \
+ __extension__ __STRING2_SMALL_GET16 (src, 4), \
+ __extension__ __STRING2_SMALL_GET32 (src, 0), \
+ __extension__ __STRING2_SMALL_GET32 (src, 4)
+# endif
+__STRING_INLINE void *__mempcpy_small (void *, char, char, char, char,
+ __uint16_t, __uint16_t, __uint32_t,
+ __uint32_t, size_t);
+__STRING_INLINE void *
+__mempcpy_small (void *__dest1,
+ char __src0_1, char __src2_1, char __src4_1, char __src6_1,
+ __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;
+ unsigned char __c;
+ } *__u = __dest1;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__c = __src0_1;
+ __u = __extension__ (void *)((char *) __u + 1);
+ break;
+ case 2:
+ __u->__usi = __src0_2;
+ __u = __extension__ (void *)((char *) __u + 2);
+ break;
+ case 3:
+ __u->__usi = __src0_2;
+ __u = __extension__ (void *)((char *) __u + 2);
+ __u->__c = __src2_1;
+ __u = __extension__ (void *)((char *) __u + 1);
+ break;
+ case 4:
+ __u->__ui = __src0_4;
+ __u = __extension__ (void *)((char *) __u + 4);
+ break;
+ case 5:
+ __u->__ui = __src0_4;
+ __u = __extension__ (void *)((char *) __u + 4);
+ __u->__c = __src4_1;
+ __u = __extension__ (void *)((char *) __u + 1);
+ break;
+ case 6:
+ __u->__ui = __src0_4;
+ __u = __extension__ (void *)((char *) __u + 4);
+ __u->__usi = __src4_2;
+ __u = __extension__ (void *)((char *) __u + 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->__c = __src6_1;
+ __u = __extension__ (void *)((char *) __u + 1);
+ break;
+ case 8:
+ __u->__ui = __src0_4;
+ __u = __extension__ (void *)((char *) __u + 4);
+ __u->__ui = __src4_4;
+ __u = __extension__ (void *)((char *) __u + 4);
+ break;
+ }
+ return (void *) __u;
+}
+# else
+# ifndef _FORCE_INLINES
+# define __mempcpy_args(src) \
+ ((__const char *) (src))[0], \
+ __extension__ ((__STRING2_COPY_ARR2) \
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1] } }), \
+ __extension__ ((__STRING2_COPY_ARR3) \
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
+ ((__const char *) (src))[2] } }), \
+ __extension__ ((__STRING2_COPY_ARR4) \
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
+ ((__const char *) (src))[2], ((__const char *) (src))[3] } }), \
+ __extension__ ((__STRING2_COPY_ARR5) \
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
+ ((__const char *) (src))[4] } }), \
+ __extension__ ((__STRING2_COPY_ARR6) \
+ { { ((__const char *) (src))[0], ((__const char *) (src))[1], \
+ ((__const char *) (src))[2], ((__const char *) (src))[3], \
+ ((__const char *) (src))[4], ((__const char *) (src))[5] } }), \
+ __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], \
+ ((__const char *) (src))[6] } }), \
+ __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], ((__const char *) (src))[7] } })
+# endif
+__STRING_INLINE void *__mempcpy_small (void *, 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 void *
+__mempcpy_small (void *__dest, char __src1,
+ __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 = __dest;
+ switch ((unsigned int) __srclen)
+ {
+ case 1:
+ __u->__c = __src1;
+ 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 __extension__ (void *)((char *) __u + __srclen);
+}
+# endif
+# endif
+# endif
+#endif
+
+
+/* Return pointer to C in S. */
+#ifndef _HAVE_STRING_ARCH_strchr
+extern void *__rawmemchr (const void *__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. */
+#if (!defined _HAVE_STRING_ARCH_strcpy && !__GNUC_PREREQ (3, 0)) \
+ || defined _FORCE_INLINES
+# if !defined _HAVE_STRING_ARCH_strcpy && !__GNUC_PREREQ (3, 0)
+# 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)))
+# endif
+
+# if _STRING_ARCH_unaligned
+# ifndef _FORCE_INLINES
+# 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)
+# endif
+__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
+# ifndef _FORCE_INLINES
+# 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' } })
+# endif
+__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
+# if !defined _HAVE_STRING_ARCH_stpcpy || defined _FORCE_INLINES
+# ifndef _HAVE_STRING_ARCH_stpcpy
+# if __GNUC_PREREQ (3, 0)
+# define __stpcpy(dest, src) \
+ (__extension__ (__builtin_constant_p (src) \
+ ? (__string2_1bptr_p (src) && strlen (src) + 1 <= 8 \
+ ? __builtin_strcpy (dest, src) + strlen (src) \
+ : ((char *) (__mempcpy) (dest, src, strlen (src) + 1) \
+ - 1)) \
+ : __stpcpy (dest, src)))
+# else
+# 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)))
+# endif
+/* 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)
+# endif
+
+# if !__GNUC_PREREQ (3, 0) || defined _FORCE_INLINES
+# if _STRING_ARCH_unaligned
+# ifndef _FORCE_INLINES
+# 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)
+# endif
+__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
+# ifndef _FORCE_INLINES
+# 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' } })
+# endif
+__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
+#endif
+
+
+/* Copy no more than N characters of SRC to DEST. */
+#ifndef _HAVE_STRING_ARCH_strncpy
+# if defined _USE_STRING_ARCH_memset && defined _USE_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 _USE_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) \
+ : (*((char *) __mempcpy (strchr (__dest, '\0'), \
+ src, n)) = '\0', __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. */
+#if !defined _HAVE_STRING_ARCH_strcspn || defined _FORCE_INLINES
+# 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)); })
+# endif
+
+__STRING_INLINE size_t __strcspn_c1 (__const char *__s, int __reject);
+__STRING_INLINE size_t
+__strcspn_c1 (__const char *__s, int __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, int __reject1,
+ int __reject2);
+__STRING_INLINE size_t
+__strcspn_c2 (__const char *__s, int __reject1, int __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, int __reject1,
+ int __reject2, int __reject3);
+__STRING_INLINE size_t
+__strcspn_c3 (__const char *__s, int __reject1, int __reject2,
+ int __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. */
+#if !defined _HAVE_STRING_ARCH_strspn || defined _FORCE_INLINES
+# 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') \
+ ? ((void) (s), 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)); })
+# endif
+
+__STRING_INLINE size_t __strspn_c1 (__const char *__s, int __accept);
+__STRING_INLINE size_t
+__strspn_c1 (__const char *__s, int __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, int __accept1,
+ int __accept2);
+__STRING_INLINE size_t
+__strspn_c2 (__const char *__s, int __accept1, int __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, int __accept1,
+ int __accept2, int __accept3);
+__STRING_INLINE size_t
+__strspn_c3 (__const char *__s, int __accept1, int __accept2, int __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. */
+#if !defined _HAVE_STRING_ARCH_strpbrk || defined _FORCE_INLINES
+# 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') \
+ ? ((void) (s), 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)); })
+# endif
+
+__STRING_INLINE char *__strpbrk_c2 (__const char *__s, int __accept1,
+ int __accept2);
+__STRING_INLINE char *
+__strpbrk_c2 (__const char *__s, int __accept1, int __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, int __accept1,
+ int __accept2, int __accept3);
+__STRING_INLINE char *
+__strpbrk_c3 (__const char *__s, int __accept1, int __accept2,
+ int __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. Newer gcc versions
+ do this itself. */
+#if !defined _HAVE_STRING_ARCH_strstr && !__GNUC_PREREQ (2, 97)
+# 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 _HAVE_STRING_ARCH_strtok_r || defined _FORCE_INLINES
+# 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)))
+# endif
+
+__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;
+ __result = NULL;
+ if (*__s != '\0')
+ {
+ __result = __s++;
+ while (*__s != '\0')
+ if (*__s++ == __sep)
+ {
+ __s[-1] = '\0';
+ break;
+ }
+ *__nextp = __s;
+ }
+ return __result;
+}
+# if defined __USE_POSIX || defined __USE_MISC
+# define strtok_r(s, sep, nextp) __strtok_r (s, sep, nextp)
+# endif
+#endif
+
+
+#if !defined _HAVE_STRING_ARCH_strsep || defined _FORCE_INLINES
+# ifndef _HAVE_STRING_ARCH_strsep
+
+extern char *__strsep_g (char **__stringp, __const char *__delim);
+# 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)); })
+# endif
+
+__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 && (*__s = strchr (__retval, __reject)) != NULL)
+ *(*__s)++ = '\0';
+ 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)
+ {
+ register char *__cp = __retval;
+ while (1)
+ {
+ if (*__cp == '\0')
+ {
+ __cp = NULL;
+ break;
+ }
+ if (*__cp == __reject1 || *__cp == __reject2)
+ {
+ *__cp++ = '\0';
+ break;
+ }
+ ++__cp;
+ }
+ *__s = __cp;
+ }
+ 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)
+ {
+ register char *__cp = __retval;
+ while (1)
+ {
+ if (*__cp == '\0')
+ {
+ __cp = NULL;
+ break;
+ }
+ if (*__cp == __reject1 || *__cp == __reject2 || *__cp == __reject3)
+ {
+ *__cp++ = '\0';
+ break;
+ }
+ ++__cp;
+ }
+ *__s = __cp;
+ }
+ 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
+
+extern char *__strdup (__const char *__string) __THROW __attribute_malloc__;
+# 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
+
+# ifndef _HAVE_STRING_ARCH_strndup
+
+extern char *__strndup (__const char *__string, size_t __n)
+ __THROW __attribute_malloc__;
+# define __strndup(s, n) \
+ (__extension__ (__builtin_constant_p (s) && __string2_1bptr_p (s) \
+ ? (((__const char *) (s))[0] == '\0' \
+ ? (char *) calloc (1, 1) \
+ : ({ size_t __len = strlen (s) + 1; \
+ size_t __n = (n); \
+ char *__retval; \
+ if (__n < __len) \
+ __len = __n + 1; \
+ __retval = (char *) malloc (__len); \
+ if (__retval != NULL) \
+ { \
+ __retval[__len - 1] = '\0'; \
+ __retval = (char *) memcpy (__retval, s, \
+ __len - 1); \
+ } \
+ __retval; })) \
+ : __strndup (s, n)))
+
+# ifdef __USE_GNU
+# define strndup(s, n) __strndup (s, n)
+# endif
+# endif
+
+#endif /* Use misc. or use GNU. */
+
+#ifndef _FORCE_INLINES
+# undef __STRING_INLINE
+#endif
+
+#endif /* No string inlines. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 01:35:22 +0000