diff options
Diffstat (limited to 'lib/unistd.in.h')
| -rw-r--r-- | lib/unistd.in.h | 62 |
1 files changed, 40 insertions, 22 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h index 59ee39ecea5..cc57ce680d5 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -253,10 +253,28 @@ _GL_INLINE_HEADER_BEGIN /* Declare overridden functions. */ -#if defined GNULIB_POSIXCHECK +#if @GNULIB_ACCESS@ +# if @REPLACE_ACCESS@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef access +# define access rpl_access +# endif +_GL_FUNCDECL_RPL (access, int, (const char *file, int mode) + _GL_ARG_NONNULL ((1))); +_GL_CXXALIAS_RPL (access, int, (const char *file, int mode)); +# else +_GL_CXXALIAS_SYS (access, int, (const char *file, int mode)); +# endif +_GL_CXXALIASWARN (access); +#elif defined GNULIB_POSIXCHECK +# undef access +# if HAVE_RAW_DECL_ACCESS /* The access() function is a security risk. */ -_GL_WARN_ON_USE (access, "the access function is a security risk - " +_GL_WARN_ON_USE (access, "access does not always support X_OK - " + "use gnulib module access for portability; " + "also, this function is a security risk - " "use the gnulib module faccessat instead"); +# endif #endif @@ -277,7 +295,7 @@ _GL_WARN_ON_USE (chown, "chdir is not always in <unistd.h> - " to GID (if GID is not -1). Follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/chown.html. */ # if @REPLACE_CHOWN@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef chown @@ -371,7 +389,7 @@ _GL_WARN_ON_USE (dup, "dup is unportable - " NEWFD = OLDFD, otherwise close NEWFD first if it is open. Return newfd if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/dup2.html>. */ # if @REPLACE_DUP2@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define dup2 rpl_dup2 @@ -526,7 +544,7 @@ _GL_WARN_ON_USE (faccessat, "faccessat is not portable - " the given file descriptor is open. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html>. */ # if ! @HAVE_FCHDIR@ _GL_FUNCDECL_SYS (fchdir, int, (int /*fd*/)); @@ -587,7 +605,7 @@ _GL_WARN_ON_USE (fchownat, "fchownat is not portable - " /* Synchronize changes to a file. Return 0 if successful, otherwise -1 and errno set. See POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html>. */ # if !@HAVE_FDATASYNC@ || !@HAVE_DECL_FDATASYNC@ _GL_FUNCDECL_SYS (fdatasync, int, (int fd)); # endif @@ -606,7 +624,7 @@ _GL_WARN_ON_USE (fdatasync, "fdatasync is unportable - " /* Synchronize changes, including metadata, to a file. Return 0 if successful, otherwise -1 and errno set. See POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/fsync.html>. */ # if !@HAVE_FSYNC@ _GL_FUNCDECL_SYS (fsync, int, (int fd)); # endif @@ -625,7 +643,7 @@ _GL_WARN_ON_USE (fsync, "fsync is unportable - " /* Change the size of the file to which FD is opened to become equal to LENGTH. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html>. */ # if @REPLACE_FTRUNCATE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef ftruncate @@ -655,7 +673,7 @@ _GL_WARN_ON_USE (ftruncate, "ftruncate is unportable - " Return BUF if successful, or NULL if the directory couldn't be determined or SIZE was too small. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>. + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html>. Additionally, the gnulib module 'getcwd' guarantees the following GNU extension: If BUF is NULL, an array is allocated with 'malloc'; the array is SIZE bytes long, unless SIZE == 0, in which case it is as big as @@ -815,7 +833,7 @@ _GL_WARN_ON_USE (gethostname, "gethostname is unportable - " /* Returns the user's login name, or NULL if it cannot be found. Upon error, returns NULL with errno set. - See <http://www.opengroup.org/susv3xsh/getlogin.html>. + See <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getlogin.html>. Most programs don't need to use this function, because the information is available through environment variables: @@ -844,7 +862,7 @@ _GL_WARN_ON_USE (getlogin, "getlogin is unportable - " the case that the login name cannot be found but no specific error is provided (this case is hopefully rare but is left open by the POSIX spec). - See <http://www.opengroup.org/susv3xsh/getlogin.html>. + See <https://pubs.opengroup.org/onlinepubs/9699919799/functions/getlogin.html>. Most programs don't need to use this function, because the information is available through environment variables: @@ -1079,7 +1097,7 @@ _GL_WARN_ON_USE (isatty, "isatty has portability problems on native Windows - " to GID (if GID is not -1). Do not follow symbolic links. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/lchown.html>. */ # if @REPLACE_LCHOWN@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef lchown @@ -1109,7 +1127,7 @@ _GL_WARN_ON_USE (lchown, "lchown is unportable to pre-POSIX.1-2001 systems - " /* Create a new hard link for an existing file. Return 0 if successful, otherwise -1 and errno set. See POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/link.html>. */ # if @REPLACE_LINK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define link rpl_link @@ -1175,7 +1193,7 @@ _GL_WARN_ON_USE (linkat, "linkat is unportable - " /* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END. Return the new offset if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/lseek.html>. */ # if @REPLACE_LSEEK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define lseek rpl_lseek @@ -1247,7 +1265,7 @@ _GL_WARN_ON_USE (pipe2, "pipe2 is unportable - " Return the number of bytes placed into BUF if successful, otherwise set errno and return -1. 0 indicates EOF. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/pread.html>. */ # if @REPLACE_PREAD@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef pread @@ -1282,7 +1300,7 @@ _GL_WARN_ON_USE (pread, "pread is unportable - " Return the number of bytes written if successful, otherwise set errno and return -1. 0 indicates nothing written. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/pwrite.html>. */ # if @REPLACE_PWRITE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef pwrite @@ -1315,7 +1333,7 @@ _GL_WARN_ON_USE (pwrite, "pwrite is unportable - " #if @GNULIB_READ@ /* Read up to COUNT bytes from file descriptor FD into the buffer starting at BUF. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/read.html>. */ # if @REPLACE_READ@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef read @@ -1339,7 +1357,7 @@ _GL_CXXALIASWARN (read); bytes of it into BUF. Return the number of bytes placed into BUF if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/readlink.html>. */ # if @REPLACE_READLINK@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # define readlink rpl_readlink @@ -1449,7 +1467,7 @@ _GL_WARN_ON_USE (sethostname, "sethostname is unportable - " /* Pause the execution of the current thread for N seconds. Returns the number of seconds left to sleep. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/sleep.html>. */ # if @REPLACE_SLEEP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef sleep @@ -1533,7 +1551,7 @@ _GL_WARN_ON_USE (symlinkat, "symlinkat is not portable - " /* Change the size of the file designated by FILENAME to become equal to LENGTH. Return 0 if successful, otherwise -1 and errno set. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/truncate.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/truncate.html>. */ # if @REPLACE_TRUNCATE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef truncate @@ -1640,7 +1658,7 @@ _GL_WARN_ON_USE (unlinkat, "unlinkat is not portable - " /* Pause the execution of the current thread for N microseconds. Returns 0 on completion, or -1 on range error. See the POSIX:2001 specification - <http://www.opengroup.org/susv3xsh/usleep.html>. */ + <https://pubs.opengroup.org/onlinepubs/009695399/functions/usleep.html>. */ # if @REPLACE_USLEEP@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef usleep @@ -1667,7 +1685,7 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - " #if @GNULIB_WRITE@ /* Write up to COUNT bytes starting at BUF to file descriptor FD. See the POSIX:2008 specification - <http://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */ + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/write.html>. */ # if @REPLACE_WRITE@ # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef write |