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-rw-r--r--include/string.h61
1 files changed, 36 insertions, 25 deletions
diff --git a/include/string.h b/include/string.h
index 59f0ac481..224bb8621 100644
--- a/include/string.h
+++ b/include/string.h
@@ -122,13 +122,13 @@ __END_NAMESPACE_STD
extern int strcoll_l (__const char *__s1, __const char *__s2, __locale_t __l)
__THROW __attribute_pure__ __nonnull ((1, 2, 3));
extern int __strcoll_l (__const char *__s1, __const char *__s2, __locale_t __l)
- __THROW __attribute_pure__;
+ __THROW __attribute_pure__ __nonnull ((1, 2, 3));
/* Put a transformation of SRC into no more than N bytes of DEST. */
extern size_t strxfrm_l (char *__dest, __const char *__src, size_t __n,
__locale_t __l) __THROW __nonnull ((2, 4));
extern size_t __strxfrm_l (char *__dest, __const char *__src, size_t __n,
- __locale_t __l) __THROW;
+ __locale_t __l) __THROW __nonnull ((2, 4));
#endif
#endif /* __UCLIBC_HAS_XLOCALE__ */
@@ -263,33 +263,41 @@ __BEGIN_NAMESPACE_STD
/* Return a string describing the meaning of the `errno' code in ERRNUM. */
extern char *strerror (int __errnum) __THROW;
__END_NAMESPACE_STD
+
+extern char *__glibc_strerror_r (int __errnum, char *__buf, size_t __buflen)
+ __THROW __nonnull ((2));
+extern int __xpg_strerror_r (int __errnum, char *__buf, size_t __buflen)
+ __THROW __nonnull ((2));
+
#if defined __USE_XOPEN2K || defined __USE_MISC
-/* Reentrant version of `strerror'. If a temporary buffer is required, at
- most BUFLEN bytes of BUF will be used. */
-/* extern char *strerror_r (int __errnum, char *__buf, size_t __buflen) __THROW; */
-
-/* uClibc Note: glibc's strerror_r is different from that specified in SUSv3.
- * So we try to compensate based on feature macros. */
-extern char *__glibc_strerror_r (int __errnum, char *__buf, size_t __buflen) __THROW;
-extern int _susv3_strerror_r (int __errnum, char *__buf, size_t buflen) __THROW;
-
-# if defined(__USE_XOPEN2K) && !defined(__USE_GNU)
-# ifdef __REDIRECT
-extern int __REDIRECT (strerror_r,
- (int __errnum, char *__buf, size_t buflen) __THROW,
- _susv3_strerror_r);
+/* Reentrant version of `strerror'.
+ There are 2 flavors of `strerror_r', GNU which returns the string
+ and may or may not use the supplied temporary buffer and POSIX one
+ which fills the string into the buffer.
+ To use the POSIX version, -D_XOPEN_SOURCE=600 or -D_POSIX_C_SOURCE=200112L
+ without -D_GNU_SOURCE is needed, otherwise the GNU version is
+ preferred. */
+# if defined __USE_XOPEN2K && !defined __USE_GNU
+/* Fill BUF with a string describing the meaning of the `errno' code in
+ ERRNUM. */
+# ifdef __REDIRECT_NTH
+extern int __REDIRECT_NTH (strerror_r,
+ (int __errnum, char *__buf, size_t __buflen),
+ __xpg_strerror_r) __nonnull ((2));
# else
# define strerror_r __xpg_strerror_r
# endif
# else
-# ifdef __REDIRECT
-extern char *__REDIRECT (strerror_r,
- (int __errnum, char *__buf, size_t buflen) __THROW,
- __glibc_strerror_r);
+/* If a temporary buffer is required, at most BUFLEN bytes of BUF will be
+ used. */
+# ifdef __REDIRECT_NTH
+extern char * __REDIRECT_NTH (strerror_r,
+ (int __errnum, char *__buf, size_t __buflen),
+ __glibc_strerror_r) __nonnull ((2));
# else
# define strerror_r __glibc_strerror_r
# endif
-# endif /* defined(__USE_XOPEN2K) && !defined(__USE_GNU) */
+# endif
#endif
/* We define this function always since `bzero' is sometimes needed when
@@ -347,14 +355,15 @@ extern int strcasecmp_l (__const char *__s1, __const char *__s2,
__locale_t __loc)
__THROW __attribute_pure__ __nonnull ((1, 2, 3));
extern int __strcasecmp_l (__const char *__s1, __const char *__s2,
- __locale_t __loc) __THROW __attribute_pure__;
+ __locale_t __loc)
+ __THROW __attribute_pure__ __nonnull ((1, 2, 3));
extern int strncasecmp_l (__const char *__s1, __const char *__s2,
size_t __n, __locale_t __loc)
__THROW __attribute_pure__ __nonnull ((1, 2, 4));
extern int __strncasecmp_l (__const char *__s1, __const char *__s2,
size_t __n, __locale_t __loc)
- __THROW __attribute_pure__;
+ __THROW __attribute_pure__ __nonnull ((1, 2, 4));
#endif
#endif /* __UCLIBC_HAS_XLOCALE__ */
@@ -389,11 +398,13 @@ extern char *stpncpy (char *__restrict __dest,
__const char *__restrict __src, size_t __n)
__THROW __nonnull ((1, 2));
+#if 0 /* uClibc does not support strfry or memfrob. */
/* Sautee STRING briskly. */
extern char *strfry (char *__string) __THROW __nonnull ((1));
/* Frobnicate N bytes of S. */
extern void *memfrob (void *__s, size_t __n) __THROW __nonnull ((1));
+#endif
# ifndef basename
/* Return the file name within directory of FILENAME. We don't
@@ -408,9 +419,9 @@ extern char *basename (__const char *__filename) __THROW __nonnull ((1));
#ifdef __USE_BSD
/* Two OpenBSD extension functions. */
extern size_t strlcat(char *__restrict dst, const char *__restrict src,
- size_t n) __THROW;
+ size_t n) __THROW __nonnull ((1, 2));
extern size_t strlcpy(char *__restrict dst, const char *__restrict src,
- size_t n) __THROW;
+ size_t n) __THROW __nonnull ((1, 2));
#endif
__END_DECLS