+
+/*
+ * Platform-specific sections
+ */
+#if defined(_WIN32)
+# ifdef fileno
+# undef fileno
+# define fileno(a) (int)_fileno(a)
+# endif
+
+# include <windows.h>
+# include <tchar.h>
+
+static int WIN32_rename(const char *from, const char *to)
+ {
+ TCHAR *tfrom=NULL,*tto;
+ DWORD err;
+ int ret=0;
+
+ if (sizeof(TCHAR) == 1)
+ {
+ tfrom = (TCHAR *)from;
+ tto = (TCHAR *)to;
+ }
+ else /* UNICODE path */
+ {
+ size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
+ tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
+ if (tfrom==NULL) goto err;
+ tto=tfrom+flen;
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+ if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
+#endif
+ for (i=0;i<flen;i++) tfrom[i]=(TCHAR)from[i];
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+ if (!MultiByteToWideChar(CP_ACP,0,to, tlen,(WCHAR *)tto, tlen))
+#endif
+ for (i=0;i<tlen;i++) tto[i] =(TCHAR)to[i];
+ }
+
+ if (MoveFile(tfrom,tto)) goto ok;
+ err=GetLastError();
+ if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
+ {
+ if (DeleteFile(tto) && MoveFile(tfrom,tto))
+ goto ok;
+ err=GetLastError();
+ }
+ if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
+ errno = ENOENT;
+ else if (err==ERROR_ACCESS_DENIED)
+ errno = EACCES;
+ else
+ errno = EINVAL; /* we could map more codes... */
+err:
+ ret=-1;
+ok:
+ if (tfrom!=NULL && tfrom!=(TCHAR *)from) free(tfrom);
+ return ret;
+ }
+#endif
+
+/* app_tminterval section */
+#if defined(_WIN32)
+double app_tminterval(int stop,int usertime)
+ {
+ FILETIME now;
+ double ret=0;
+ static ULARGE_INTEGER tmstart;
+ static int warning=1;
+#ifdef _WIN32_WINNT
+ static HANDLE proc=NULL;
+
+ if (proc==NULL)
+ {
+ if (GetVersion() < 0x80000000)
+ proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
+ GetCurrentProcessId());
+ if (proc==NULL) proc = (HANDLE)-1;
+ }
+
+ if (usertime && proc!=(HANDLE)-1)
+ {
+ FILETIME junk;
+ GetProcessTimes(proc,&junk,&junk,&junk,&now);
+ }
+ else
+#endif
+ {
+ if (usertime && warning)
+ {
+ BIO_printf(bio_err,"To get meaningful results, run "
+ "this program on idle system.\n"
+ warning=1;
+ }
+ SYSTEMTIME systime;
+ GetSystemTime(&systime);
+ SystemTimeToFileTime(&systime,&now);
+ }
+
+ if (stop==TM_START)
+ {
+ tmstart.u.LowPart = now.dwLowDateTime;
+ tmstart.u.HighPart = now.dwHighDateTime;
+ }
+ else {
+ ULARGE_INTEGER tmstop;
+
+ tmstop.u.LowPart = now.dwLowDateTime;
+ tmstop.u.HighPart = now.dwHighDateTime;
+
+ ret = (tmstop.QuadPart - tmstart.QuadPart)*1e-7;
+ }
+
+ return (ret);
+ }
+
+#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
+#include <sys/times.h>
+
+double app_tminterval(int stop,int usertime)
+ {
+ double ret = 0;
+ struct tms rus;
+ clock_t now = times(&rus);
+ static clock_t tmstart;
+
+ if (usertime) now = rus.tms_utime;
+
+ if (stop==TM_START) tmstart = now;
+ else ret = (now - tmstart)/(double)sysconf(_SC_CLK_TCK);
+
+ return (ret);
+ }
+
+#else
+#include <sys/time.h>
+#include <sys/resource.h>
+
+double app_tminterval(int stop,int usertime)
+ {
+ double ret = 0;
+ struct rusage rus;
+ struct timeval now;
+ static struct timeval tmstart;
+
+ if (usertime) getrusage(RUSAGE_SELF,&rus), now = rus.ru_time;
+ else gettimeofday(&now,NULL);
+
+ if (stop==TM_START) tmstart = now;
+ else ret = ( (now.tv_sec+now.tv_usec*1e-6)
+ - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
+
+ return ret;
+ }
+#endif
+
+/* app_isdir section */
+#ifdef _WIN32
+int app_isdir(const char *name)
+ {
+ HANDLE hList;
+ WIN32_FIND_DATA FileData;
+#if defined(UNICODE) || defined(_UNICODE)
+ size_t i, len_0 = strlen(name)+1;
+
+ if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
+ return -1;
+
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+ if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
+#endif
+ for (i=0;i<len_0;i++)
+ FileData.cFileName[i] = (WCHAR)name[i];
+
+ hList = FindFirstFile(FileData.cFileName,&FileData);
+#else
+ hList = FindFirstFile(name,&FileData);
+#endif
+ if (hList == INVALID_HANDLE_VALUE) return -1;
+ FindClose(hList);
+ return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
+ }
+#else
+#include <sys/stat.h>
+#ifndef S_ISDIR
+# if defined(_S_IFMT) && defined(_S_IFDIR)
+# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
+# else
+# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
+# endif
+#endif
+
+int app_isdir(const char *name)
+ {
+#if defined(S_ISDIR)
+ struct stat st;
+
+ if (stat(name,&st)==0) return S_ISDIR(st.st_mode);
+ else return -1;
+#else
+ return -1;
+#endif
+ }
+#endif
+
+/* raw_read|write section */
+#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
+int raw_read_stdin(void *buf,int siz)
+ {
+ DWORD n;
+ if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
+ return (n);
+ else return (-1);
+ }
+#else
+int raw_read_stdin(void *buf,int siz)
+ { return read(fileno(stdin),buf,siz); }
+#endif
+
+#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
+int raw_write_stdout(void *buf,int siz)
+ {
+ DWORD n;
+ if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
+ return (n);
+ else return (-1);
+ }
+#else
+int raw_write_stdout(const void *buf,int siz)
+ { return write(fileno(stdout),buf,siz); }
+#endif