add initial clang support

Co-Authored-By: jvoisin <julien.voisin@dustri.org>

1 files changed, 18 insertions, 12 deletions

diff --git a/include/unistd.h b/include/unistd.h
index 818adaa..3e5c040 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015-2016 Dimitris Papastamos <sin@2f30.org>
+ * Copyright (C) 2022 q66 <q66@chimera-linux.org>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted.
@@ -40,7 +41,7 @@ extern "C" {
 #undef ttyname_r
 #undef write
 
-_FORTIFY_FN(confstr) size_t confstr(int __n, char *__s, size_t __l)
+_FORTIFY_FN(confstr) size_t confstr(int __n, char * _FORTIFY_POS0 __s, size_t __l)
 {
         size_t __b = __bos(__s, 0);
         size_t __r = __orig_confstr(__n, __s, __b > __l ? __l : __b);
@@ -50,7 +51,7 @@ _FORTIFY_FN(confstr) size_t confstr(int __n, char *__s, size_t __l)
         return __r;
 }
 
-_FORTIFY_FN(getcwd) char *getcwd(char *__s, size_t __l)
+_FORTIFY_FN(getcwd) char *getcwd(char * _FORTIFY_POS0 __s, size_t __l)
 {
         size_t __b = __bos(__s, 0);
 
@@ -61,7 +62,7 @@ _FORTIFY_FN(getcwd) char *getcwd(char *__s, size_t __l)
 
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #undef getdomainname
-_FORTIFY_FN(getdomainname) int getdomainname(char *__s, size_t __l)
+_FORTIFY_FN(getdomainname) int getdomainname(char * _FORTIFY_POS0 __s, size_t __l)
 {
         size_t __b = __bos(__s, 0);
 
@@ -71,7 +72,7 @@ _FORTIFY_FN(getdomainname) int getdomainname(char *__s, size_t __l)
 }
 #endif
 
-_FORTIFY_FN(getgroups) int getgroups(int __l, gid_t *__s)
+_FORTIFY_FN(getgroups) int getgroups(int __l, gid_t * _FORTIFY_POS0 __s)
 {
         size_t __b = __bos(__s, 0);
 
@@ -80,7 +81,7 @@ _FORTIFY_FN(getgroups) int getgroups(int __l, gid_t *__s)
         return __orig_getgroups(__l, __s);
 }
 
-_FORTIFY_FN(gethostname) int gethostname(char *__s, size_t __l)
+_FORTIFY_FN(gethostname) int gethostname(char * _FORTIFY_POS0 __s, size_t __l)
 {
         size_t __b = __bos(__s, 0);
 
@@ -89,7 +90,7 @@ _FORTIFY_FN(gethostname) int gethostname(char *__s, size_t __l)
         return __orig_gethostname(__s, __l);
 }
 
-_FORTIFY_FN(getlogin_r) int getlogin_r(char *__s, size_t __l)
+_FORTIFY_FN(getlogin_r) int getlogin_r(char * _FORTIFY_POS0 __s, size_t __l)
 {
         size_t __b = __bos(__s, 0);
 
@@ -98,7 +99,8 @@ _FORTIFY_FN(getlogin_r) int getlogin_r(char *__s, size_t __l)
         return __orig_getlogin_r(__s, __l);
 }
 
-_FORTIFY_FN(pread) ssize_t pread(int __f, void *__s, size_t __n, off_t __o)
+_FORTIFY_FN(pread) ssize_t pread(int __f, void * _FORTIFY_POS0 __s,
+                                 size_t __n, off_t __o)
 {
         size_t __b = __bos(__s, 0);
 
@@ -107,7 +109,7 @@ _FORTIFY_FN(pread) ssize_t pread(int __f, void *__s, size_t __n, off_t __o)
         return __orig_pread(__f, __s, __n, __o);
 }
 
-_FORTIFY_FN(read) ssize_t read(int __f, void *__s, size_t __n)
+_FORTIFY_FN(read) ssize_t read(int __f, void * _FORTIFY_POS0 __s, size_t __n)
 {
         size_t __b = __bos(__s, 0);
 
@@ -116,7 +118,8 @@ _FORTIFY_FN(read) ssize_t read(int __f, void *__s, size_t __n)
         return __orig_read(__f, __s, __n);
 }
 
-_FORTIFY_FN(readlink) ssize_t readlink(const char *__p, char *__s, size_t __n)
+_FORTIFY_FN(readlink) ssize_t readlink(const char *__p,
+                                       char * _FORTIFY_POS0 __s, size_t __n)
 {
         size_t __b = __bos(__s, 0);
 
@@ -125,7 +128,8 @@ _FORTIFY_FN(readlink) ssize_t readlink(const char *__p, char *__s, size_t __n)
         return __orig_readlink(__p, __s, __n);
 }
 
-_FORTIFY_FN(readlinkat) ssize_t readlinkat(int __f, const char *__p, char *__s, size_t __n)
+_FORTIFY_FN(readlinkat) ssize_t readlinkat(int __f, const char *__p,
+                                           char * _FORTIFY_POS0 __s, size_t __n)
 {
         size_t __b = __bos(__s, 0);
 
@@ -134,7 +138,8 @@ _FORTIFY_FN(readlinkat) ssize_t readlinkat(int __f, const char *__p, char *__s,
         return __orig_readlinkat(__f, __p, __s, __n);
 }
 
-_FORTIFY_FN(ttyname_r) int ttyname_r(int __f, char *__s, size_t __n)
+_FORTIFY_FN(ttyname_r) int ttyname_r(int __f, char * _FORTIFY_POS0 __s,
+                                     size_t __n)
 {
         size_t __b = __bos(__s, 0);
 
@@ -143,7 +148,8 @@ _FORTIFY_FN(ttyname_r) int ttyname_r(int __f, char *__s, size_t __n)
         return __orig_ttyname_r(__f, __s, __n);
 }
 
-_FORTIFY_FN(write) ssize_t write(int __f, const void *__s, size_t __n)
+_FORTIFY_FN(write) ssize_t write(int __f, const void * _FORTIFY_POS0 __s,
+                                 size_t __n)
 {
         size_t __b = __bos(__s, 0);