StringUtil: Purge StdStringFromFormat()

src/common/string_util.cpp

@@ -13,39 +13,6 @@
 #include "windows_headers.h"
 #endif
 
-std::string StringUtil::StdStringFromFormat(const char* format, ...)
-{
-  std::va_list ap;
-  va_start(ap, format);
-  std::string ret = StdStringFromFormatV(format, ap);
-  va_end(ap);
-  return ret;
-}
-
-std::string StringUtil::StdStringFromFormatV(const char* format, std::va_list ap)
-{
-  std::va_list ap_copy;
-  va_copy(ap_copy, ap);
-
-#ifdef _WIN32
-  int len = _vscprintf(format, ap_copy);
-#else
-  int len = std::vsnprintf(nullptr, 0, format, ap_copy);
-#endif
-  va_end(ap_copy);
-
-  std::string ret;
-
-  // If an encoding error occurs, len is -1. Which we definitely don't want to resize to.
-  if (len > 0)
-  {
-    ret.resize(len);
-    std::vsnprintf(ret.data(), ret.size() + 1, format, ap);
-  }
-
-  return ret;
-}
-
 bool StringUtil::WildcardMatch(const char* subject, const char* mask, bool case_sensitive /*= true*/)
 {
   if (case_sensitive)

src/common/string_util.h

@@ -4,7 +4,6 @@
 #pragma once
 #include "types.h"
 #include <charconv>
-#include <cstdarg>
 #include <cstddef>
 #include <cstring>
 #include <iomanip>
@@ -27,10 +26,6 @@
 
 namespace StringUtil {
 
-/// Constructs a std::string from a format string.
-std::string StdStringFromFormat(const char* format, ...) printflike(1, 2);
-std::string StdStringFromFormatV(const char* format, std::va_list ap);
-
 /// Checks if a wildcard matches a search string.
 bool WildcardMatch(const char* subject, const char* mask, bool case_sensitive = true);