Use 'restrict' in all POSIX function declarations.

* lib/iconv.in.h (iconv): Use 'restrict'.
* lib/inttypes.in.h (strtoimax, strtoumax): Likewise.
* lib/monetary.in.h (strfmon_l): Likewise.
* lib/pthread.in.h (pthread_create, pthread_mutex_init,
pthread_mutexattr_gettype, pthread_mutexattr_getrobust,
pthread_mutex_timedlock, pthread_rwlock_init,
pthread_rwlock_timedrdlock, pthread_rwlock_timedwrlock,
pthread_cond_init, pthread_cond_wait, pthread_cond_timedwait): Likewise.
* lib/search.in.h (tdelete): Likewise.
* lib/signal.in.h (pthread_sigmask, sigprocmask): Likewise.
* lib/stdio.in.h (dprintf, fgets, fopen, fprintf, fputs, fread, freopen,
fscanf, fwrite, getdelim, getline, printf, scanf, snprintf, sprintf,
vdprintf, vfprintf, vfscanf, vprintf, vscanf, vsnprintf, vsprintf):
Likewise.
* lib/stdlib.in.h (mbtowc, realpath, strtod, strtold, strtoll,
strtoull): Likewise.
* lib/string.in.h (strncat): Likewise.
* lib/sys_socket.in.h (accept, getpeername, getsockname, getsockopt,
recvfrom): Likewise.
* lib/sys_stat.in.h (fstatat, lstat, stat): Likewise.
* lib/time.in.h (strftime): Likewise.
* lib/unistd.in.h (readlink, readlinkat): Likewise.
* lib/wchar.in.h (mbrtowc, mbrlen, mbsrtowcs, mbsnrtowcs, wcrtomb,
wcsrtombs, wcsnrtombs, wmemcpy, wcscpy, wcpcpy, wcsncpy, wcpncpy,
wcscat, wcsncat, wcsxfrm, wcsstr, wcstok, wcsftime): Likewise.
* m4/iconv_h.m4 (gl_ICONV_H): Require AC_C_RESTRICT.
* m4/inttypes.m4 (gl_INTTYPES_INCOMPLETE): Likewise.
* m4/monetary_h.m4 (gl_MONETARY_H): Likewise.
* m4/search_h.m4 (gl_SEARCH_H): Likewise.
* m4/signal_h.m4 (gl_SIGNAL_H): Likewise.
* m4/stdio_h.m4 (gl_STDIO_H): Likewise.
* m4/stdlib_h.m4 (gl_STDLIB_H): Likewise.
* m4/sys_socket_h.m4 (gl_HEADER_SYS_SOCKET): Likewise.
* m4/sys_stat_h.m4 (gl_HEADER_SYS_STAT_H): Likewise.
* m4/unistd_h.m4 (gl_UNISTD_H): Likewise.
* m4/wchar_h.m4 (gl_WCHAR_H): Likewise.
* m4/string_h.m4 (gl_HEADER_STRING_H_BODY): Make consistent with the
other *_h.m4 files.
* m4/time_h.m4 (gl_HEADER_TIME_H): Likewise.

1 files changed, 18 insertions, 10 deletions

diff --git a/lib/sys_stat.in.h b/lib/sys_stat.in.h
index 65661f468a..a27a79a7fc 100644
--- a/lib/sys_stat.in.h
+++ b/lib/sys_stat.in.h
@@ -455,18 +455,22 @@ _GL_WARN_ON_USE (fstat, "fstat has portability problems - "
 #   define fstatat rpl_fstatat
 #  endif
 _GL_FUNCDECL_RPL (fstatat, int,
-                  (int fd, char const *name, struct stat *st, int flags)
+                  (int fd, char const *restrict name, struct stat *restrict st,
+                   int flags)
                   _GL_ARG_NONNULL ((2, 3)));
 _GL_CXXALIAS_RPL (fstatat, int,
-                  (int fd, char const *name, struct stat *st, int flags));
+                  (int fd, char const *restrict name, struct stat *restrict st,
+                   int flags));
 # else
 #  if !@HAVE_FSTATAT@
 _GL_FUNCDECL_SYS (fstatat, int,
-                  (int fd, char const *name, struct stat *st, int flags)
+                  (int fd, char const *restrict name, struct stat *restrict st,
+                   int flags)
                   _GL_ARG_NONNULL ((2, 3)));
 #  endif
 _GL_CXXALIAS_SYS (fstatat, int,
-                  (int fd, char const *name, struct stat *st, int flags));
+                  (int fd, char const *restrict name, struct stat *restrict st,
+                   int flags));
 # endif
 _GL_CXXALIASWARN (fstatat);
 #elif @GNULIB_OVERRIDES_STRUCT_STAT@
@@ -548,17 +552,21 @@ _GL_WARN_ON_USE (lchmod, "lchmod is unportable - "
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   define lstat stat
 #  endif
-_GL_CXXALIAS_RPL_1 (lstat, stat, int, (const char *name, struct stat *buf));
+_GL_CXXALIAS_RPL_1 (lstat, stat, int,
+                    (const char *restrict name, struct stat *restrict buf));
 # elif @REPLACE_LSTAT@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 #   undef lstat
 #   define lstat rpl_lstat
 #  endif
-_GL_FUNCDECL_RPL (lstat, int, (const char *name, struct stat *buf)
-                              _GL_ARG_NONNULL ((1, 2)));
-_GL_CXXALIAS_RPL (lstat, int, (const char *name, struct stat *buf));
+_GL_FUNCDECL_RPL (lstat, int,
+                  (const char *restrict name, struct stat *restrict buf)
+                  _GL_ARG_NONNULL ((1, 2)));
+_GL_CXXALIAS_RPL (lstat, int,
+                  (const char *restrict name, struct stat *restrict buf));
 # else
-_GL_CXXALIAS_SYS (lstat, int, (const char *name, struct stat *buf));
+_GL_CXXALIAS_SYS (lstat, int,
+                  (const char *restrict name, struct stat *restrict buf));
 # endif
 # if @HAVE_LSTAT@
 _GL_CXXALIASWARN (lstat);
@@ -771,7 +779,7 @@ _GL_WARN_ON_USE (mknodat, "mknodat is not portable - "
 #    define stat(name, st) rpl_stat (name, st)
 #   endif /* !_LARGE_FILES */
 #  endif /* !@GNULIB_OVERRIDES_STRUCT_STAT@ */
-_GL_EXTERN_C int stat (const char *name, struct stat *buf)
+_GL_EXTERN_C int stat (const char *restrict name, struct stat *restrict buf)
                       _GL_ARG_NONNULL ((1, 2));
 # endif
 #elif @GNULIB_OVERRIDES_STRUCT_STAT@