A few nothrow qualifiers added to shared_str helpers. Comments added …

…about future fixes (tagged with "tamlin:")

src/xrCore/xrstring.h

@@ -2,10 +2,12 @@
 #define xrstringH
 #pragma once
 
+// TODO: tamlin: Get rid of _std_extensions.h as compile-time dependency, if possible.
 #include "_std_extensions.h"
 
 #pragma pack(push, 4)
 //////////////////////////////////////////////////////////////////////////
+// TODO: tamlin: Get rid of this blobal namespace polluting silly typedef.
 typedef const char* str_c;
 
 //////////////////////////////////////////////////////////////////////////
@@ -168,10 +170,10 @@ IC bool operator<(shared_str const& a, shared_str const& b) { return a._get() <
 IC bool operator>(shared_str const& a, shared_str const& b) { return a._get() > b._get(); }
 // externally visible standart functionality
 IC void swap(shared_str& lhs, shared_str& rhs) { lhs.swap(rhs); }
-IC u32 xr_strlen(shared_str& a) { return a.size(); }
-IC int xr_strcmp(const shared_str& a, const char* b) { return xr_strcmp(*a, b); }
-IC int xr_strcmp(const char* a, const shared_str& b) { return xr_strcmp(a, *b); }
-IC int xr_strcmp(const shared_str& a, const shared_str& b)
+IC u32 xr_strlen(const shared_str& a) throw() { return a.size(); }
+IC int xr_strcmp(const shared_str& a, const char* b) throw() { return xr_strcmp(*a, b); }
+IC int xr_strcmp(const char* a, const shared_str& b) throw() { return xr_strcmp(a, *b); }
+IC int xr_strcmp(const shared_str& a, const shared_str& b) throw()
 {
     if (a.equal(b))
         return 0;
@@ -194,6 +196,8 @@ IC void xr_strlwr(shared_str& src)
     }
 }
 
+#pragma todo("tamlin: Move xr_strlwr into a static lib (f.ex. 'xrMisc_lib')")
+
 #pragma pack(pop)
 
 #endif