diff options
Diffstat (limited to 'gnulib/import/string.in.h')
| -rw-r--r-- | gnulib/import/string.in.h | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/gnulib/import/string.in.h b/gnulib/import/string.in.h index b3213c4c1ab..9b8ced24cd8 100644 --- a/gnulib/import/string.in.h +++ b/gnulib/import/string.in.h @@ -1,6 +1,6 @@ /* A GNU-like <string.h>. - Copyright (C) 1995-1996, 2001-2016 Free Software Foundation, Inc. + Copyright (C) 1995-1996, 2001-2019 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -13,7 +13,7 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. */ + along with this program; if not, see <https://www.gnu.org/licenses/>. */ #if __GNUC__ >= 3 @PRAGMA_SYSTEM_HEADER@ @@ -74,6 +74,23 @@ /* The definition of _GL_WARN_ON_USE is copied here. */ +/* Clear a block of memory. The compiler will not delete a call to + this function, even if the block is dead after the call. */ +#if @GNULIB_EXPLICIT_BZERO@ +# if ! @HAVE_EXPLICIT_BZERO@ +_GL_FUNCDECL_SYS (explicit_bzero, void, + (void *__dest, size_t __n) _GL_ARG_NONNULL ((1))); +# endif +_GL_CXXALIAS_SYS (explicit_bzero, void, (void *__dest, size_t __n)); +_GL_CXXALIASWARN (explicit_bzero); +#elif defined GNULIB_POSIXCHECK +# undef explicit_bzero +# if HAVE_RAW_DECL_EXPLICIT_BZERO +_GL_WARN_ON_USE (explicit_bzero, "explicit_bzero is unportable - " + "use gnulib module explicit_bzero for portability"); +# endif +#endif + /* Find the index of the least-significant set bit. */ #if @GNULIB_FFSL@ # if !@HAVE_FFSL@ @@ -132,7 +149,7 @@ _GL_CXXALIAS_SYS_CAST2 (memchr, _GL_CXXALIASWARN1 (memchr, void *, (void *__s, int __c, size_t __n)); _GL_CXXALIASWARN1 (memchr, void const *, (void const *__s, int __c, size_t __n)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (memchr); # endif #elif defined GNULIB_POSIXCHECK @@ -400,7 +417,9 @@ _GL_CXXALIAS_RPL (strncat, char *, (char *dest, const char *src, size_t n)); # else _GL_CXXALIAS_SYS (strncat, char *, (char *dest, const char *src, size_t n)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strncat); +# endif #elif defined GNULIB_POSIXCHECK # undef strncat # if HAVE_RAW_DECL_STRNCAT @@ -495,7 +514,7 @@ _GL_CXXALIAS_SYS_CAST2 (strpbrk, _GL_CXXALIASWARN1 (strpbrk, char *, (char *__s, char const *__accept)); _GL_CXXALIASWARN1 (strpbrk, char const *, (char const *__s, char const *__accept)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (strpbrk); # endif # if defined GNULIB_POSIXCHECK @@ -597,7 +616,7 @@ _GL_CXXALIAS_SYS_CAST2 (strstr, _GL_CXXALIASWARN1 (strstr, char *, (char *haystack, const char *needle)); _GL_CXXALIASWARN1 (strstr, const char *, (const char *haystack, const char *needle)); -# else +# elif __GLIBC__ >= 2 _GL_CXXALIASWARN (strstr); # endif #elif defined GNULIB_POSIXCHECK @@ -676,7 +695,7 @@ _GL_WARN_ON_USE (strcasestr, "strcasestr does work correctly on character " This is a variant of strtok() that is multithread-safe. For the POSIX documentation for this function, see: - http://www.opengroup.org/susv3xsh/strtok.html + https://pubs.opengroup.org/onlinepubs/9699919799/functions/strtok.html Caveat: It modifies the original string. Caveat: These functions cannot be used on constant strings. @@ -963,7 +982,9 @@ _GL_CXXALIAS_RPL (strerror, char *, (int)); # else _GL_CXXALIAS_SYS (strerror, char *, (int)); # endif +# if __GLIBC__ >= 2 _GL_CXXALIASWARN (strerror); +# endif #elif defined GNULIB_POSIXCHECK # undef strerror /* Assume strerror is always declared. */ |