add __restrict qualifiers to source

Author: Caslyn

libc/src/dlfcn/dladdr.cpp

@@ -14,7 +14,8 @@
 namespace LIBC_NAMESPACE_DECL {
 
 // TODO: https:// github.com/llvm/llvm-project/issues/97929
-LLVM_LIBC_FUNCTION(int, dladdr, (const void *addr, Dl_info *info)) {
+LLVM_LIBC_FUNCTION(int, dladdr,
+                   (const void *__restrict addr, Dl_info *__restrict info)) {
   return -1;
 }
 

libc/src/dlfcn/dladdr.h

@@ -13,7 +13,7 @@
 
 namespace LIBC_NAMESPACE_DECL {
 
-int dladdr(const void *, Dl_info *);
+int dladdr(const void *__restrict, Dl_info *__restrict);
 
 } // namespace LIBC_NAMESPACE_DECL
 

libc/src/dlfcn/dlinfo.cpp

@@ -15,7 +15,9 @@
 namespace LIBC_NAMESPACE_DECL {
 
 // TODO: https://github.com/llvm/llvm-project/issues/149911
-LLVM_LIBC_FUNCTION(int, dlinfo, (void *handle, int request, void *info)) {
+LLVM_LIBC_FUNCTION(int, dlinfo,
+                   (void *__restrict handle, int request,
+                    void *__restrict info)) {
   return -1;
 }
 

libc/src/dlfcn/dlinfo.h

@@ -13,7 +13,7 @@
 
 namespace LIBC_NAMESPACE_DECL {
 
-int dlinfo(void *, int, void *);
+int dlinfo(void *__restrict, int, void *__restrict);
 
 } // namespace LIBC_NAMESPACE_DECL
 

libc/src/dlfcn/dlsym.cpp

@@ -14,6 +14,8 @@
 namespace LIBC_NAMESPACE_DECL {
 
 // TODO(@izaakschroeder): https://github.com/llvm/llvm-project/issues/97920
-LLVM_LIBC_FUNCTION(void *, dlsym, (void *, const char *)) { return nullptr; }
+LLVM_LIBC_FUNCTION(void *, dlsym, (void *__restrict, const char *__restrict)) {
+  return nullptr;
+}
 
 } // namespace LIBC_NAMESPACE_DECL

libc/src/dlfcn/dlsym.h

@@ -13,7 +13,7 @@
 
 namespace LIBC_NAMESPACE_DECL {
 
-void *dlsym(void *, const char *);
+void *dlsym(void *__restrict, const char *__restrict);
 
 } // namespace LIBC_NAMESPACE_DECL