Initial revision

[cln.git] / src / base / string / cl_st_concat3.cc

diff --git a/src/base/string/cl_st_concat3.cc b/src/base/string/cl_st_concat3.cc
new file mode 100644 (file)
index 0000000..c2ce3b4
--- /dev/null
+++ b/src/base/string/cl_st_concat3.cc
@@ -0,0 +1,34 @@
+// cl_string concatenation.
+
+// General includes.
+#include "cl_sysdep.h"
+
+// Specification.
+#include "cl_string.h"
+
+
+// Implementation.
+
+#undef MAYBE_INLINE
+#define MAYBE_INLINE inline
+#include "cl_st_make0.cc"
+
+const cl_string operator+ (const cl_string& str1, const char* str2)
+{
+    unsigned long len1 = strlen(str1);
+    unsigned long len2 = strlen(str2);
+    var cl_heap_string* str = cl_make_heap_string(len1+len2);
+    var char * ptr = &str->data[0];
+    {
+        var const char * ptr1 = asciz(str1);
+        for (var unsigned long count = len1; count > 0; count--)
+            *ptr++ = *ptr1++;
+    }
+    {
+        var const char * ptr2 = asciz(str2);
+        for (var unsigned long count = len2; count > 0; count--)
+            *ptr++ = *ptr2++;
+    }
+    *ptr++ = '\0';
+    return str;
+}