diff options
Diffstat (limited to 'lib/string.in.h')
| -rw-r--r-- | lib/string.in.h | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/lib/string.in.h b/lib/string.in.h index 459dd063cbe..b227a178873 100644 --- a/lib/string.in.h +++ b/lib/string.in.h @@ -59,10 +59,11 @@ # include <unistd.h> #endif -/* AIX 7.2 declares ffsl and ffsll in <strings.h>, not in <string.h>. */ +/* AIX 7.2 and Android 13 declare ffsl and ffsll in <strings.h>, not in + <string.h>. */ /* But in any case avoid namespace pollution on glibc systems. */ #if ((@GNULIB_FFSL@ || @GNULIB_FFSLL@ || defined GNULIB_POSIXCHECK) \ - && defined _AIX) \ + && (defined _AIX || defined __ANDROID__)) \ && ! defined __GLIBC__ # include <strings.h> #endif @@ -82,7 +83,14 @@ can be freed via 'free'; it can be used only after declaring 'free'. */ /* Applies to: functions. Cannot be used on inline functions. */ #ifndef _GL_ATTRIBUTE_DEALLOC_FREE -# define _GL_ATTRIBUTE_DEALLOC_FREE _GL_ATTRIBUTE_DEALLOC (free, 1) +# if defined __cplusplus && defined __GNUC__ && !defined __clang__ +/* Work around GCC bug <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108231> */ +# define _GL_ATTRIBUTE_DEALLOC_FREE \ + _GL_ATTRIBUTE_DEALLOC ((void (*) (void *)) free, 1) +# else +# define _GL_ATTRIBUTE_DEALLOC_FREE \ + _GL_ATTRIBUTE_DEALLOC (free, 1) +# endif #endif /* _GL_ATTRIBUTE_MALLOC declares that the function returns a pointer to freshly @@ -336,7 +344,7 @@ _GL_CXXALIAS_SYS_CAST2 (memrchr, || defined __clang__) _GL_CXXALIASWARN1 (memrchr, void *, (void *, int, size_t) throw ()); _GL_CXXALIASWARN1 (memrchr, void const *, (void const *, int, size_t) throw ()); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (memrchr); # endif #elif defined GNULIB_POSIXCHECK @@ -347,6 +355,23 @@ _GL_WARN_ON_USE (memrchr, "memrchr is unportable - " # endif #endif +/* Overwrite a block of memory. The compiler will not optimize + effects away, even if the block is dead after the call. */ +#if @GNULIB_MEMSET_EXPLICIT@ +# if ! @HAVE_MEMSET_EXPLICIT@ +_GL_FUNCDECL_SYS (memset_explicit, void *, + (void *__dest, int __c, size_t __n) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (memset_explicit, void *, (void *__dest, int __c, size_t __n)); +_GL_CXXALIASWARN (memset_explicit); +#elif defined GNULIB_POSIXCHECK +# undef memset_explicit +# if HAVE_RAW_DECL_MEMSET_EXPLICIT +_GL_WARN_ON_USE (memset_explicit, "memset_explicit is unportable - " + "use gnulib module memset_explicit for portability"); +# endif +#endif + /* Find the first occurrence of C in S. More efficient than memchr(S,C,N), at the expense of undefined behavior if C does not occur within N bytes. */ @@ -474,7 +499,7 @@ _GL_CXXALIAS_SYS_CAST2 (strchrnul, _GL_CXXALIASWARN1 (strchrnul, char *, (char *__s, int __c_in) throw ()); _GL_CXXALIASWARN1 (strchrnul, char const *, (char const *__s, int __c_in) throw ()); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (strchrnul); # endif #elif defined GNULIB_POSIXCHECK @@ -839,7 +864,7 @@ _GL_CXXALIASWARN1 (strcasestr, char *, (char *haystack, const char *needle) throw ()); _GL_CXXALIASWARN1 (strcasestr, const char *, (const char *haystack, const char *needle) throw ()); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (strcasestr); # endif #elif defined GNULIB_POSIXCHECK |