Initial community commit

Src/nu/cstrlib.cpp

@@ -0,0 +1,59 @@
+/* Utility library for C strings */
+
+#include <windows.h>
+
+extern "C" 
+char *scanstr_back(char *str, char *toscan, char *defval)
+{
+	char *s=str+strlen(str)-1;
+	if (strlen(str) < 1) return defval;
+	if (strlen(toscan) < 1) return defval;
+	while (1)
+	{
+		char *t=toscan;
+		while (*t)
+			if (*t++ == *s) return s;
+		t=CharPrev(str,s);
+		if (t==s) return defval;
+		s=t;
+	}
+}
+
+extern "C" 
+char *extension(char *fn) 
+{
+  char *s = scanstr_back(fn,".\\",fn-1);
+  if (s < fn) return "";
+  if (*s == '\\') return "";
+  return (s+1);
+}
+
+void CleanDirectory(char *str)
+{
+	if (!str)
+		return;
+	int l = strlen(str);
+
+	while (l--)
+	{
+		if (str[l] == ' '
+			|| str[l] == '.')
+			str[l]=0;
+		else
+			break;
+	}
+}
+
+
+void FormatSizeStr64(char *out, __int64 size)
+{
+	if (size < 1024*1024) wsprintf(out, "%u KB", (DWORD)(size >> 10));
+	else if (size < 1024*1024*1024)
+	{
+		wsprintf(out, "%u.%02u MB", (DWORD)(size >> 20), ((((DWORD)(size >> 10))&1023)*100) >> 10);
+	}
+	else
+	{
+		wsprintf(out, "%u.%02u GB", (DWORD)(size >> 30), ((((DWORD)(size >> 20))&1023)*100) >> 10);
+	}
+}