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authorUlrich Drepper <drepper@redhat.com>2009-01-30 16:47:57 +0000
committerUlrich Drepper <drepper@redhat.com>2009-01-30 16:47:57 +0000
commit8585cb7454e10346bccc9fb4df3fae51b2efb9b6 (patch)
tree31f76dd52dcfc3b1e4812ce9fa4c101f666d9b17
parent7f901dd7cad11649176f8d4939ad41d91fda3d78 (diff)
* string/string.h (memchr, strchr, strrchr, strpbrk, strstr, index,
rindex): For C++ add inlines so that they can be recognized as builtins. * string/strings.h: Define correct C++ prototypes for gcc 4.4.
-rw-r--r--ChangeLog7
-rw-r--r--string/string.h149
-rw-r--r--string/strings.h61
3 files changed, 199 insertions, 18 deletions
diff --git a/ChangeLog b/ChangeLog
index ef1118d660..dbed10ac06 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2009-01-30 Jakub Jelinek <jakub@redhat.com>
+
+ * string/string.h (memchr, strchr, strrchr, strpbrk, strstr, index,
+ rindex): For C++ add inlines so that they can be recognized as
+ builtins.
+ * string/strings.h: Define correct C++ prototypes for gcc 4.4.
+
2009-01-29 Ulrich Drepper <drepper@redhat.com>
Jakub Jelinek <jakub@redhat.com>
diff --git a/string/string.h b/string/string.h
index 7f32a9a3d5..849255f75c 100644
--- a/string/string.h
+++ b/string/string.h
@@ -69,10 +69,27 @@ extern int memcmp (__const void *__s1, __const void *__s2, size_t __n)
/* Search N bytes of S for C. */
#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
-extern "C++" void *memchr (void *__s, int __c, size_t __n)
+extern "C++"
+{
+extern void *memchr (void *__s, int __c, size_t __n)
__THROW __asm ("memchr") __attribute_pure__ __nonnull ((1));
-extern "C++" __const void *memchr (__const void *__s, int __c, size_t __n)
+extern __const void *memchr (__const void *__s, int __c, size_t __n)
__THROW __asm ("memchr") __attribute_pure__ __nonnull ((1));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline void *
+memchr (void *__s, int __c, size_t __n) __THROW
+{
+ return __builtin_memchr (__s, __c, __n);
+}
+
+__extern_always_inline __const void *
+memchr (__const void *__s, int __c, size_t __n) __THROW
+{
+ return __builtin_memchr (__s, __c, __n);
+}
+# endif
+}
#else
extern void *memchr (__const void *__s, int __c, size_t __n)
__THROW __attribute_pure__ __nonnull ((1));
@@ -191,20 +208,54 @@ extern char *strndup (__const char *__string, size_t __n)
__BEGIN_NAMESPACE_STD
/* Find the first occurrence of C in S. */
#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
-extern "C++" char *strchr (char *__s, int __c)
+extern "C++"
+{
+extern char *strchr (char *__s, int __c)
__THROW __asm ("strchr") __attribute_pure__ __nonnull ((1));
-extern "C++" __const char *strchr (__const char *__s, int __c)
+extern __const char *strchr (__const char *__s, int __c)
__THROW __asm ("strchr") __attribute_pure__ __nonnull ((1));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strchr (char *__s, int __c) __THROW
+{
+ return __builtin_strchr (__s, __c);
+}
+
+__extern_always_inline __const char *
+strchr (__const char *__s, int __c) __THROW
+{
+ return __builtin_strchr (__s, __c);
+}
+# endif
+}
#else
extern char *strchr (__const char *__s, int __c)
__THROW __attribute_pure__ __nonnull ((1));
#endif
/* Find the last occurrence of C in S. */
#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
-extern "C++" char *strrchr (char *__s, int __c)
+extern "C++"
+{
+extern char *strrchr (char *__s, int __c)
__THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1));
-extern "C++" __const char *strrchr (__const char *__s, int __c)
+extern __const char *strrchr (__const char *__s, int __c)
__THROW __asm ("strrchr") __attribute_pure__ __nonnull ((1));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strrchr (char *__s, int __c) __THROW
+{
+ return __builtin_strrchr (__s, __c);
+}
+
+__extern_always_inline __const char *
+strrchr (__const char *__s, int __c) __THROW
+{
+ return __builtin_strrchr (__s, __c);
+}
+# endif
+}
#else
extern char *strrchr (__const char *__s, int __c)
__THROW __attribute_pure__ __nonnull ((1));
@@ -236,21 +287,55 @@ extern size_t strspn (__const char *__s, __const char *__accept)
__THROW __attribute_pure__ __nonnull ((1, 2));
/* Find the first occurrence in S of any character in ACCEPT. */
#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
-extern "C++" char *strpbrk (char *__s, __const char *__accept)
+extern "C++"
+{
+extern char *strpbrk (char *__s, __const char *__accept)
__THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2));
-extern "C++" __const char *strpbrk (__const char *__s, __const char *__accept)
+extern __const char *strpbrk (__const char *__s, __const char *__accept)
__THROW __asm ("strpbrk") __attribute_pure__ __nonnull ((1, 2));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strpbrk (char *__s, __const char *__accept) __THROW
+{
+ return __builtin_strpbrk (__s, __accept);
+}
+
+__extern_always_inline __const char *
+strpbrk (__const char *__s, __const char *__accept) __THROW
+{
+ return __builtin_strpbrk (__s, __accept);
+}
+# endif
+}
#else
extern char *strpbrk (__const char *__s, __const char *__accept)
__THROW __attribute_pure__ __nonnull ((1, 2));
#endif
/* Find the first occurrence of NEEDLE in HAYSTACK. */
#ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
-extern "C++" char *strstr (char *__haystack, __const char *__needle)
+extern "C++"
+{
+extern char *strstr (char *__haystack, __const char *__needle)
__THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2));
-extern "C++" __const char *strstr (__const char *__haystack,
- __const char *__needle)
+extern __const char *strstr (__const char *__haystack,
+ __const char *__needle)
__THROW __asm ("strstr") __attribute_pure__ __nonnull ((1, 2));
+
+# ifdef __OPTIMIZE__
+__extern_always_inline char *
+strstr (char *__haystack, __const char *__needle) __THROW
+{
+ return __builtin_strstr (__haystack, __needle);
+}
+
+__extern_always_inline __const char *
+strstr (__const char *__haystack, __const char *__needle) __THROW
+{
+ return __builtin_strstr (__haystack, __needle);
+}
+# endif
+}
#else
extern char *strstr (__const char *__haystack, __const char *__needle)
__THROW __attribute_pure__ __nonnull ((1, 2));
@@ -377,10 +462,27 @@ extern int bcmp (__const void *__s1, __const void *__s2, size_t __n)
/* Find the first occurrence of C in S (same as strchr). */
# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
-extern "C++" char *index (char *__s, int __c)
+extern "C++"
+{
+extern char *index (char *__s, int __c)
__THROW __asm ("index") __attribute_pure__ __nonnull ((1));
-extern "C++" __const char *index (__const char *__s, int __c)
+extern __const char *index (__const char *__s, int __c)
__THROW __asm ("index") __attribute_pure__ __nonnull ((1));
+
+# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO
+__extern_always_inline char *
+index (char *__s, int __c) __THROW
+{
+ return __builtin_index (__s, __c);
+}
+
+__extern_always_inline __const char *
+index (__const char *__s, int __c) __THROW
+{
+ return __builtin_index (__s, __c);
+}
+# endif
+}
# else
extern char *index (__const char *__s, int __c)
__THROW __attribute_pure__ __nonnull ((1));
@@ -388,10 +490,27 @@ extern char *index (__const char *__s, int __c)
/* Find the last occurrence of C in S (same as strrchr). */
# ifdef __CORRECT_ISO_CPP_STRING_H_PROTO
-extern "C++" char *rindex (char *__s, int __c)
+extern "C++"
+{
+extern char *rindex (char *__s, int __c)
__THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
-extern "C++" __const char *rindex (__const char *__s, int __c)
+extern __const char *rindex (__const char *__s, int __c)
__THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
+
+# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRINGS_H_PROTO
+__extern_always_inline char *
+rindex (char *__s, int __c) __THROW
+{
+ return __builtin_rindex (__s, __c);
+}
+
+__extern_always_inline __const char *
+rindex (__const char *__s, int __c) __THROW
+{
+ return __builtin_rindex (__s, __c);
+}
+#endif
+}
# else
extern char *rindex (__const char *__s, int __c)
__THROW __attribute_pure__ __nonnull ((1));
diff --git a/string/strings.h b/string/strings.h
index 3ba2b04c8e..0db756ae56 100644
--- a/string/strings.h
+++ b/string/strings.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,96,97,99,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,96,97,99,2000,2001,2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -28,6 +28,11 @@
# define __need_size_t
# include <stddef.h>
+/* Tell the caller that we provide correct C++ prototypes. */
+# if defined __cplusplus && __GNUC_PREREQ (4, 4)
+# define __CORRECT_ISO_CPP_STRINGS_H_PROTO
+# endif
+
__BEGIN_DECLS
/* Compare N bytes of S1 and S2 (same as memcmp). */
@@ -45,10 +50,60 @@ extern void bzero (void *__s, size_t __n) __THROW;
extern int ffs (int __i) __THROW __attribute__ ((const));
/* Find the first occurrence of C in S (same as strchr). */
-extern char *index (__const char *__s, int __c) __THROW __attribute_pure__;
+# ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO
+extern "C++"
+{
+extern char *index (char *__s, int __c)
+ __THROW __asm ("index") __attribute_pure__ __nonnull ((1));
+extern __const char *index (__const char *__s, int __c)
+ __THROW __asm ("index") __attribute_pure__ __nonnull ((1));
+
+# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRING_H_PROTO
+__extern_always_inline char *
+index (char *__s, int __c) __THROW
+{
+ return __builtin_index (__s, __c);
+}
+
+__extern_always_inline __const char *
+index (__const char *__s, int __c) __THROW
+{
+ return __builtin_index (__s, __c);
+}
+# endif
+}
+# else
+extern char *index (__const char *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+# endif
/* Find the last occurrence of C in S (same as strrchr). */
-extern char *rindex (__const char *__s, int __c) __THROW __attribute_pure__;
+# ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO
+extern "C++"
+{
+extern char *rindex (char *__s, int __c)
+ __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
+extern __const char *rindex (__const char *__s, int __c)
+ __THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
+
+# if defined __OPTIMIZE__ && !defined __CORRECT_ISO_CPP_STRING_H_PROTO
+__extern_always_inline char *
+rindex (char *__s, int __c) __THROW
+{
+ return __builtin_rindex (__s, __c);
+}
+
+__extern_always_inline __const char *
+rindex (__const char *__s, int __c) __THROW
+{
+ return __builtin_rindex (__s, __c);
+}
+#endif
+}
+# else
+extern char *rindex (__const char *__s, int __c)
+ __THROW __attribute_pure__ __nonnull ((1));
+# endif
/* Compare S1 and S2, ignoring case. */
extern int strcasecmp (__const char *__s1, __const char *__s2)