diff options
Diffstat (limited to 'lib/string.in.h')
-rw-r--r-- | lib/string.in.h | 52 |
1 files changed, 31 insertions, 21 deletions
diff --git a/lib/string.in.h b/lib/string.in.h index 75deca015..21045fe99 100644 --- a/lib/string.in.h +++ b/lib/string.in.h @@ -41,10 +41,12 @@ # if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) # define __attribute__(Spec) /* empty */ # endif +#endif /* The attribute __pure__ was added in gcc 2.96. */ -# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) -# define __pure__ /* empty */ -# endif +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +# define _GL_ATTRIBUTE_PURE __attribute__ ((__pure__)) +#else +# define _GL_ATTRIBUTE_PURE /* empty */ #endif @@ -62,13 +64,13 @@ # define memchr rpl_memchr # endif _GL_FUNCDECL_RPL (memchr, void *, (void const *__s, int __c, size_t __n) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1))); _GL_CXXALIAS_RPL (memchr, void *, (void const *__s, int __c, size_t __n)); # else # if ! @HAVE_MEMCHR@ _GL_FUNCDECL_SYS (memchr, void *, (void const *__s, int __c, size_t __n) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1))); # endif /* On some systems, this function is defined as an overloaded function: @@ -102,7 +104,8 @@ _GL_WARN_ON_USE (memchr, "memchr has platform-specific bugs - " _GL_FUNCDECL_RPL (memmem, void *, (void const *__haystack, size_t __haystack_len, void const *__needle, size_t __needle_len) - __attribute__ ((__pure__)) _GL_ARG_NONNULL ((1, 3))); + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 3))); _GL_CXXALIAS_RPL (memmem, void *, (void const *__haystack, size_t __haystack_len, void const *__needle, size_t __needle_len)); @@ -111,7 +114,8 @@ _GL_CXXALIAS_RPL (memmem, void *, _GL_FUNCDECL_SYS (memmem, void *, (void const *__haystack, size_t __haystack_len, void const *__needle, size_t __needle_len) - __attribute__ ((__pure__)) _GL_ARG_NONNULL ((1, 3))); + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 3))); # endif _GL_CXXALIAS_SYS (memmem, void *, (void const *__haystack, size_t __haystack_len, @@ -152,7 +156,7 @@ _GL_WARN_ON_USE (mempcpy, "mempcpy is unportable - " #if @GNULIB_MEMRCHR@ # if ! @HAVE_DECL_MEMRCHR@ _GL_FUNCDECL_SYS (memrchr, void *, (void const *, int, size_t) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1))); # endif /* On some systems, this function is defined as an overloaded function: @@ -182,7 +186,7 @@ _GL_WARN_ON_USE (memrchr, "memrchr is unportable - " #if @GNULIB_RAWMEMCHR@ # if ! @HAVE_RAWMEMCHR@ _GL_FUNCDECL_SYS (rawmemchr, void *, (void const *__s, int __c_in) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1))); # endif /* On some systems, this function is defined as an overloaded function: @@ -229,6 +233,7 @@ _GL_WARN_ON_USE (stpcpy, "stpcpy is unportable - " #if @GNULIB_STPNCPY@ # if @REPLACE_STPNCPY@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef stpncpy # define stpncpy rpl_stpncpy # endif _GL_FUNCDECL_RPL (stpncpy, char *, @@ -272,7 +277,7 @@ _GL_WARN_ON_USE (strchr, "strchr cannot work correctly on character strings " #if @GNULIB_STRCHRNUL@ # if ! @HAVE_STRCHRNUL@ _GL_FUNCDECL_SYS (strchrnul, char *, (char const *__s, int __c_in) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1))); # endif /* On some systems, this function is defined as an overloaded function: @@ -306,6 +311,10 @@ _GL_WARN_ON_USE (strchrnul, "strchrnul is unportable - " _GL_FUNCDECL_RPL (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); _GL_CXXALIAS_RPL (strdup, char *, (char const *__s)); # else +# if defined __cplusplus && defined GNULIB_NAMESPACE && defined strdup + /* strdup exists as a function and as a macro. Get rid of the macro. */ +# undef strdup +# endif # if !(@HAVE_DECL_STRDUP@ || defined strdup) _GL_FUNCDECL_SYS (strdup, char *, (char const *__s) _GL_ARG_NONNULL ((1))); # endif @@ -378,13 +387,13 @@ _GL_WARN_ON_USE (strndup, "strndup is unportable - " # define strnlen rpl_strnlen # endif _GL_FUNCDECL_RPL (strnlen, size_t, (char const *__string, size_t __maxlen) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1))); _GL_CXXALIAS_RPL (strnlen, size_t, (char const *__string, size_t __maxlen)); # else # if ! @HAVE_DECL_STRNLEN@ _GL_FUNCDECL_SYS (strnlen, size_t, (char const *__string, size_t __maxlen) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1))); # endif _GL_CXXALIAS_SYS (strnlen, size_t, (char const *__string, size_t __maxlen)); @@ -414,7 +423,7 @@ _GL_WARN_ON_USE (strcspn, "strcspn cannot work correctly on character strings " #if @GNULIB_STRPBRK@ # if ! @HAVE_STRPBRK@ _GL_FUNCDECL_SYS (strpbrk, char *, (char const *__s, char const *__accept) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1, 2))); # endif /* On some systems, this function is defined as an overloaded function: @@ -514,7 +523,7 @@ _GL_WARN_ON_USE (strsep, "strsep is unportable - " # define strstr rpl_strstr # endif _GL_FUNCDECL_RPL (strstr, char *, (const char *haystack, const char *needle) - __attribute__ ((__pure__)) + _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1, 2))); _GL_CXXALIAS_RPL (strstr, char *, (const char *haystack, const char *needle)); # else @@ -556,14 +565,16 @@ _GL_WARN_ON_USE (strstr, "strstr is quadratic on many systems, and cannot " # endif _GL_FUNCDECL_RPL (strcasestr, char *, (const char *haystack, const char *needle) - __attribute__ ((__pure__)) _GL_ARG_NONNULL ((1, 2))); + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 2))); _GL_CXXALIAS_RPL (strcasestr, char *, (const char *haystack, const char *needle)); # else # if ! @HAVE_STRCASESTR@ _GL_FUNCDECL_SYS (strcasestr, char *, (const char *haystack, const char *needle) - __attribute__ ((__pure__)) _GL_ARG_NONNULL ((1, 2))); + _GL_ATTRIBUTE_PURE + _GL_ARG_NONNULL ((1, 2))); # endif /* On some systems, this function is defined as an overloaded function: extern "C++" { const char * strcasestr (const char *, const char *); } @@ -764,11 +775,10 @@ _GL_EXTERN_C int mbsncasecmp (const char *s1, const char *s2, size_t n) #if @GNULIB_MBSPCASECMP@ /* Compare the initial segment of the character string STRING consisting of at most mbslen (PREFIX) characters with the character string PREFIX, - ignoring case, returning less than, equal to or greater than zero if this - initial segment is lexicographically less than, equal to or greater than - PREFIX. - Note: This function may, in multibyte locales, return 0 if STRING is of - smaller length than PREFIX! + ignoring case. If the two match, return a pointer to the first byte + after this prefix in STRING. Otherwise, return NULL. + Note: This function may, in multibyte locales, return non-NULL if STRING + is of smaller length than PREFIX! Unlike strncasecmp(), this function works correctly in multibyte locales. */ _GL_EXTERN_C char * mbspcasecmp (const char *string, const char *prefix) |