//
#include "common/angleutils.h"
-
+#include "debug.h"
+#include <stdio.h>
#include <vector>
-std::string FormatString(const char *fmt, va_list vararg)
+size_t FormatStringIntoVector(const char *fmt, va_list vararg, std::vector<char>& outBuffer)
{
- static std::vector<char> buffer(512);
-
// Attempt to just print to the current buffer
- int len = vsnprintf(&buffer[0], buffer.size(), fmt, vararg);
- if (len < 0 || static_cast<size_t>(len) >= buffer.size())
+ int len = vsnprintf(&(outBuffer.front()), outBuffer.size(), fmt, vararg);
+ if (len < 0 || static_cast<size_t>(len) >= outBuffer.size())
{
// Buffer was not large enough, calculate the required size and resize the buffer
len = vsnprintf(NULL, 0, fmt, vararg);
- buffer.resize(len + 1);
+ outBuffer.resize(len + 1);
// Print again
- vsnprintf(&buffer[0], buffer.size(), fmt, vararg);
+ len = vsnprintf(&(outBuffer.front()), outBuffer.size(), fmt, vararg);
}
+ ASSERT(len >= 0);
+ return static_cast<size_t>(len);
+}
+
+std::string FormatString(const char *fmt, va_list vararg)
+{
+ static std::vector<char> buffer(512);
- return std::string(buffer.data(), len);
+ size_t len = FormatStringIntoVector(fmt, vararg, buffer);
+ return std::string(&buffer[0], len);
}
std::string FormatString(const char *fmt, ...)