dolphin/Source/Core/Common/Src/Misc.cpp

63 lines
1.8 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
// Generic function to get last error message.
// Call directly after the command or use the error num.
// This function might change the error code.
const char *GetLastErrorMsg()
{
// FIXME : not thread safe.
// Caused by sloppy use in logging in FileUtil.cpp, primarily. What to do, what to do ...
static char errStr[255] = {0};
#ifdef _WIN32
DWORD dw = GetLastError();
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, dw,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) errStr, 254, NULL );
#else
// Thread safe (XSI-compliant)
strerror_r(errno, errStr, 255);
#endif
return errStr;
}
#if !defined(__linux__) && !defined(_WIN32)
// strlen with cropping after size n
static size_t strnlen(const char *s, size_t n)
{
const char *p = (const char *)memchr(s, 0, n);
return p ? (size_t)(p - s) : n;
}
#endif
#if defined(_WIN32) || !(__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
// strdup with cropping after size n
char* strndup(char const *s, size_t n)
{
size_t len = strnlen(s, n);
char *dup = (char *)malloc(len + 1);
if (dup == NULL)
return NULL;
dup[len] = '\0';
return (char *)memcpy(dup, s, len);
}
#endif