Add String(char *, unsigned) constructor

matthijskooijman · matthijskooijman · commit 84314888a8a7 · 2021-01-25T10:04:20.000+01:00
This constructor allows converting a buffer containing a
non-nul-terminated string to a String object, by explicitely passing the
length.
diff --git a/api/String.cpp b/api/String.cpp
@@ -45,6 +45,12 @@ String::String(const char *cstr)
 	if (cstr) copy(cstr, strlen(cstr));
 }
 
+String::String(const char *cstr, unsigned int length)
+{
+	init();
+	if (cstr) copy(cstr, length);
+}
+
 String::String(const String &value)
 {
 	init();
diff --git a/api/String.h b/api/String.h
@@ -68,6 +68,7 @@ class String
 	// fails, the string will be marked as invalid (i.e. "if (s)" will
 	// be false).
 	String(const char *cstr = "");
+	String(const char *cstr, unsigned int length);
 	String(const String &str);
 	String(const __FlashStringHelper *str);
 	#if __cplusplus >= 201103L || defined(__GXX_EXPERIMENTAL_CXX0X__)

Original file line number	Diff line number	Diff line change
`@@ -45,6 +45,12 @@ String::String(const char *cstr)`
`45`	`45`	`if (cstr) copy(cstr, strlen(cstr));`
`46`	`46`	`}`
`47`	`47`
	`48`	`+String::String(const char *cstr, unsigned int length)`
	`49`	`+{`
	`50`	`+ init();`
	`51`	`+ if (cstr) copy(cstr, length);`
	`52`	`+}`
	`53`	`+`
`48`	`54`	`String::String(const String &value)`
`49`	`55`	`{`
`50`	`56`	`init();`