util/StringUtil: move strip functions to StringStrip.cxx

src/util/StringUtil.cxx

@@ -22,59 +22,6 @@
 #include "ASCII.hxx"
 
 #include <assert.h>
-#include <string.h>
-
-const char *
-StripLeft(const char *p) noexcept
-{
-	while (IsWhitespaceNotNull(*p))
-		++p;
-
-	return p;
-}
-
-const char *
-StripLeft(const char *p, const char *end) noexcept
-{
-	while (p < end && IsWhitespaceOrNull(*p))
-		++p;
-
-	return p;
-}
-
-const char *
-StripRight(const char *p, const char *end) noexcept
-{
-	while (end > p && IsWhitespaceOrNull(end[-1]))
-		--end;
-
-	return end;
-}
-
-size_t
-StripRight(const char *p, size_t length) noexcept
-{
-	while (length > 0 && IsWhitespaceOrNull(p[length - 1]))
-		--length;
-
-	return length;
-}
-
-void
-StripRight(char *p) noexcept
-{
-	size_t old_length = strlen(p);
-	size_t new_length = StripRight(p, old_length);
-	p[new_length] = 0;
-}
-
-char *
-Strip(char *p) noexcept
-{
-	p = StripLeft(p);
-	StripRight(p);
-	return p;
-}
 
 bool
 StringArrayContainsCase(const char *const*haystack,