diff options
Diffstat (limited to 'gnulib/import/unistd.in.h')
| -rw-r--r-- | gnulib/import/unistd.in.h | 51 |
1 files changed, 43 insertions, 8 deletions
diff --git a/gnulib/import/unistd.in.h b/gnulib/import/unistd.in.h index d6176ad..b211e4d 100644 --- a/gnulib/import/unistd.in.h +++ b/gnulib/import/unistd.in.h @@ -118,6 +118,17 @@ # include <netdb.h> #endif +/* Mac OS X 10.13, Solaris 11.4, and Android 9.0 declare getentropy in + <sys/random.h>, not in <unistd.h>. */ +/* But avoid namespace pollution on glibc systems. */ +#if (@GNULIB_GETENTROPY@ || defined GNULIB_POSIXCHECK) \ + && ((defined __APPLE__ && defined __MACH__) || defined __sun \ + || defined __ANDROID__) \ + && @UNISTD_H_HAVE_SYS_RANDOM_H@ \ + && !defined __GLIBC__ +# include <sys/random.h> +#endif + /* Android 4.3 declares fchownat in <sys/stat.h>, not in <unistd.h>. */ /* But avoid namespace pollution on glibc systems. */ #if (@GNULIB_FCHOWNAT@ || defined GNULIB_POSIXCHECK) && defined __ANDROID__ \ @@ -763,6 +774,22 @@ _GL_WARN_ON_USE (getdtablesize, "getdtablesize is unportable - " #endif +#if @GNULIB_GETENTROPY@ +/* Fill a buffer with random bytes. */ +# if !@HAVE_GETENTROPY@ +_GL_FUNCDECL_SYS (getentropy, int, (void *buffer, size_t length)); +# endif +_GL_CXXALIAS_SYS (getentropy, int, (void *buffer, size_t length)); +_GL_CXXALIASWARN (getentropy); +#elif defined GNULIB_POSIXCHECK +# undef getentropy +# if HAVE_RAW_DECL_GETENTROPY +_GL_WARN_ON_USE (getentropy, "getentropy is unportable - " + "use gnulib module getentropy for portability"); +# endif +#endif + + #if @GNULIB_GETGROUPS@ /* Return the supplemental groups that the current process belongs to. It is unspecified whether the effective group id is in the list. @@ -1370,18 +1397,22 @@ _GL_CXXALIASWARN (read); # define readlink rpl_readlink # endif _GL_FUNCDECL_RPL (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize) + (const char *restrict file, + char *restrict buf, size_t bufsize) _GL_ARG_NONNULL ((1, 2))); _GL_CXXALIAS_RPL (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize)); + (const char *restrict file, + char *restrict buf, size_t bufsize)); # else # if !@HAVE_READLINK@ _GL_FUNCDECL_SYS (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize) + (const char *restrict file, + char *restrict buf, size_t bufsize) _GL_ARG_NONNULL ((1, 2))); # endif _GL_CXXALIAS_SYS (readlink, ssize_t, - (const char *file, char *buf, size_t bufsize)); + (const char *restrict file, + char *restrict buf, size_t bufsize)); # endif _GL_CXXALIASWARN (readlink); #elif defined GNULIB_POSIXCHECK @@ -1399,18 +1430,22 @@ _GL_WARN_ON_USE (readlink, "readlink is unportable - " # define readlinkat rpl_readlinkat # endif _GL_FUNCDECL_RPL (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len) + (int fd, char const *restrict file, + char *restrict buf, size_t len) _GL_ARG_NONNULL ((2, 3))); _GL_CXXALIAS_RPL (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len)); + (int fd, char const *restrict file, + char *restrict buf, size_t len)); # else # if !@HAVE_READLINKAT@ _GL_FUNCDECL_SYS (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len) + (int fd, char const *restrict file, + char *restrict buf, size_t len) _GL_ARG_NONNULL ((2, 3))); # endif _GL_CXXALIAS_SYS (readlinkat, ssize_t, - (int fd, char const *file, char *buf, size_t len)); + (int fd, char const *restrict file, + char *restrict buf, size_t len)); # endif _GL_CXXALIASWARN (readlinkat); #elif defined GNULIB_POSIXCHECK |