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Diff for /OpenXM/src/util/ox_pathfinder.c between version 1.7 and 1.36

version 1.7, 2003/09/08 02:43:47 version 1.36, 2015/10/13 10:16:53
Line 1 
Line 1 
 /* $OpenXM: OpenXM/src/util/ox_pathfinder.c,v 1.6 2003/07/22 07:39:57 takayama Exp $ */  /* $OpenXM: OpenXM/src/util/ox_pathfinder.c,v 1.35 2015/09/26 12:40:51 takayama Exp $ */
 /* Moved from misc-2003/07/cygwin/test.c */  /* Moved from misc-2003/07/cygwin/test.c */
   
 #include <stdio.h>  #include <stdio.h>
Line 7 
Line 7 
 #include <fcntl.h>  #include <fcntl.h>
 #include <stdlib.h>  #include <stdlib.h>
 #include <unistd.h>  #include <unistd.h>
   #if  (!defined(__MINGW32__) &&  !defined(__MINGW64__))
 #include <sys/wait.h>  #include <sys/wait.h>
   #else
   #include <_mingw.h>
   #endif
 #include <signal.h>  #include <signal.h>
 #include <ctype.h>  #include <ctype.h>
 #include <time.h>  #include <time.h>
 #include <string.h>  #include <string.h>
 #include "ox_pathfinder.h"  #include "ox_pathfinder.h"
   
   void *sGC_malloc(int);
   
   int OX_P_stdin = -1;
   int OX_P_stdout = -1;
   int OX_P_stderr = -1;
   
 extern char **environ;  extern char **environ;
   
 static int getOStypei();  static int getOStypei();
Line 26  static char *get_ox_path();
Line 36  static char *get_ox_path();
 static char *get_oxc_path();  static char *get_oxc_path();
 static char *get_oxlog_path();  static char *get_oxlog_path();
 static int getFileSize(char *fn);  static int getFileSize(char *fn);
   static void errorPathFinder(char *s);
   static void msgPathFinder(char *s);
   static char *cygname(char *s);
   
   
   
 static int Verbose_get_home = 0;  static int Verbose_get_home = 0;
   static int Verbose = 1;
 static int NoX = 0;  static int NoX = 0;
   static int ErrorVerbose = 1;
   static int EngineLogToStdout = 0;
   
   #define nomemory(a) {fprintf(stderr,"(%p) no more memory.\n",(void *)a);exit(10);}
 #define nomemory(a) {fprintf(stderr,"(%d) no more memory.\n",a);exit(10);}  
 #define mymalloc(a)  sGC_malloc(a)  #define mymalloc(a)  sGC_malloc(a)
   
   static char *cygname(char *s) {
     char *name;
   #if defined(__MSYS__)
     return(s);
   #else
     name = mymalloc(strlen(s)+16);
     strcpy(name,"/cygdrive");
     return(strcat(name,s));
   #endif
   }
   void pathFinderErrorVerbose(int k) {
     static int prev;
     if (k >= 0) {
           prev = ErrorVerbose;
           ErrorVerbose = k;
     }else{
           ErrorVerbose = prev;
     }
   }
   static void errorPathFinder(char *s) {
     /* Todo; we need to return the error message to the client if it is used
        in ox_shell */
     if (ErrorVerbose) fprintf(stderr,"Error: %s",s);
   }
   static void msgPathFinder(char *s) {
     /* Todo; we need to return the error message to the client if it is used
        in ox_shell */
     fprintf(stderr,"Log(ox_pathfinder): %s",s);
   }
   
 int ox_pathfinderNoX(int f) {  int ox_pathfinderNoX(int f) {
   if (f < 0) return NoX;    if (f < 0) return NoX;
   NoX = f;    NoX = f;
Line 46  int ox_pathfinderVerbose(int f) {
Line 89  int ox_pathfinderVerbose(int f) {
   if (f < 0) return Verbose_get_home;    if (f < 0) return Verbose_get_home;
   Verbose_get_home = f;    Verbose_get_home = f;
   return f;    return f;
 }  } /* cf. ox_pathfinder_quiet() */
   
 /* test main   */  /* test main   */
 /*  /*
Line 95  void *sGC_malloc(int s) { return (void *) malloc(s); }
Line 138  void *sGC_malloc(int s) { return (void *) malloc(s); }
 #define MYFORKCP_SIZE 100  #define MYFORKCP_SIZE 100
 static int Myforkchildren[MYFORKCP_SIZE];  static int Myforkchildren[MYFORKCP_SIZE];
 static int Myforkcp=0;  static int Myforkcp=0;
   #if  (!defined(__MINGW32__)  && !defined(__MINGW64__))
 static void myforkwait() {  static void myforkwait() {
   int status;    int status;
   int pid;    int pid;
   int i,j;    int i,j;
   signal(SIGCHLD,SIG_IGN);    /* signal(SIGCHLD,SIG_IGN);  It is not allowed in posix */
   pid = wait(&status);    pid = wait(&status);
   fprintf(stderr,"Child process %d is exiting.\n",pid);    if (Verbose) fprintf(stderr,"Child process %d is exiting.\n",pid);
     if (pid < 0) {
       perror("wait");
     }
   for (i=0; i<Myforkcp; i++) {    for (i=0; i<Myforkcp; i++) {
     if (Myforkchildren[i]  == pid) {      if (Myforkchildren[i]  == pid) {
       for (j=i; j<Myforkcp-1; j++) {        for (j=i; j<Myforkcp-1; j++) {
Line 122  int oxForkExec(char **argv) {
Line 169  int oxForkExec(char **argv) {
     fprintf(stderr,"Cannot fork and exec.\n"); return -1;      fprintf(stderr,"Cannot fork and exec.\n"); return -1;
   }    }
   if ((pid = fork()) > 0) {    if ((pid = fork()) > 0) {
       oxResetRedirect();
     if (m&2) {      if (m&2) {
       /* Do not call singal to turn around a trouble on cygwin. BUG. */        /* Do not call singal to turn around a trouble on cygwin. BUG. */
     }else{      }else{
Line 140  int oxForkExec(char **argv) {
Line 188  int oxForkExec(char **argv) {
        sigaddset(&sss,SIGINT);         sigaddset(&sss,SIGINT);
        sigprocmask(SIG_BLOCK,&sss,NULL);         sigprocmask(SIG_BLOCK,&sss,NULL);
     }      }
     if (NoX) {      if (NoX && (!EngineLogToStdout)) {
       FILE *null;        FILE *null;
       null = fopen("/dev/null","wb");        null = fopen("/dev/null","wb");
       dup2(fileno(null),1);        if (OX_P_stdout >= 0) dup2(OX_P_stdout,1); else dup2(fileno(null),1);
       dup2(fileno(null),2);        if (OX_P_stderr >= 0) dup2(OX_P_stderr,2); else dup2(fileno(null),2);
       }else{
         if (OX_P_stdout >= 0) dup2(OX_P_stdout,1);
         if (OX_P_stderr >= 0) dup2(OX_P_stderr,2);
     }      }
       if (OX_P_stdin >= 0) dup2(OX_P_stdin,0);
     execve(argv[0],argv,environ);      execve(argv[0],argv,environ);
     /* This place will never be reached unless execv fails. */      /* This place will never be reached unless execv fails. */
     fprintf(stderr,"oxForkExec fails: ");      fprintf(stderr,"oxForkExec fails: ");
Line 158  int oxForkExecBlocked(char **argv) {
Line 210  int oxForkExecBlocked(char **argv) {
   char **eee;    char **eee;
   int m;    int m;
   int status;    int status;
   m = 0;  
   if (argv == NULL) {    if (argv == NULL) {
     fprintf(stderr,"Cannot fork and exec.\n"); return -1;      fprintf(stderr,"Cannot fork and exec.\n"); return -1;
   }    }
   if ((pid = fork()) > 0) {    if ((pid = fork()) > 0) {
     if (m&2) {      oxResetRedirect();
       /* Do not call singal to turn around a trouble on cygwin. BUG. */  
     }else{  
       signal(SIGCHLD,myforkwait); /* to kill Zombie */  
     }  
     Myforkchildren[Myforkcp++] = pid;      Myforkchildren[Myforkcp++] = pid;
     if (Myforkcp >= MYFORKCP_SIZE-1) {      if (Myforkcp >= MYFORKCP_SIZE-1) {
       fprintf(stderr,"Child process table is full.\n");        fprintf(stderr,"Child process table is full.\n");
       Myforkcp = 0;        Myforkcp = 0;
     }      }
     waitpid(pid,&status,0);  /* block */      if (waitpid(pid,&status,0) < 0) {  /* blocked */
         perror("waitpid");
       }
       Myforkcp--;
     return status;      return status;
   }else{    }else{
     /* close the specified files */      /* close the specified files */
Line 183  int oxForkExecBlocked(char **argv) {
Line 233  int oxForkExecBlocked(char **argv) {
        sigaddset(&sss,SIGINT);         sigaddset(&sss,SIGINT);
        sigprocmask(SIG_BLOCK,&sss,NULL);         sigprocmask(SIG_BLOCK,&sss,NULL);
     }      }
     if (NoX) {      if (NoX && (!EngineLogToStdout)) {
       FILE *null;        FILE *null;
       null = fopen("/dev/null","wb");        null = fopen("/dev/null","wb");
       dup2(fileno(null),1);        if (OX_P_stdout >= 0) dup2(OX_P_stdout,1); else dup2(fileno(null),1);
       dup2(fileno(null),2);        if (OX_P_stderr >= 0) dup2(OX_P_stderr,2); else dup2(fileno(null),2);
       }else{
         if (OX_P_stdout >= 0) dup2(OX_P_stdout,1);
         if (OX_P_stderr >= 0) dup2(OX_P_stderr,2);
     }      }
       if (OX_P_stdin >= 0) dup2(OX_P_stdin,0);
     execve(argv[0],argv,environ);      execve(argv[0],argv,environ);
     /* This place will never be reached unless execv fails. */      /* This place will never be reached unless execv fails. */
     fprintf(stderr,"oxForkExecBlock fails: ");      fprintf(stderr,"oxForkExecBlock fails: ");
     exit(3);      exit(3);
   }    }
 }  }
   #else
   static void myforkwait() {
     fprintf(stderr,"ERROR: myforkwait is not implented in mingw\n");
     return;
   }
   int oxForkExec(char **argv) {
     /* cf. Kan/shell.c */
     fprintf(stderr,"ERROR: oxForkExec is not implented in mingw\n");
     return(-1);
   }
   int oxForkExecBlocked(char **argv) {
     fprintf(stderr,"ERROR: oxForkExecBlocked is not implented in mingw\n");
     return(-1);
   }
   #endif
   
 static int getOStypei() {  static int getOStypei() {
   /*    /*
Line 202  static int getOStypei() {
Line 271  static int getOStypei() {
      1  windows-cygwin       1  windows-cygwin
      2  windows-cygwin-on-X       2  windows-cygwin-on-X
      3  windows-native       3  windows-native
        4  windows-msys
        5  windows-msys-on-x
   */    */
   int ostype;    int ostype;
   char *s,*s2,*s3;    char *s,*s2,*s3;
 #if defined(__CYGWIN__)  #if defined(__CYGWIN__) || defined(__MSYS__)
   ostype = 1;    ostype = 1;
 #else  #else
   ostype = 0;    ostype = 0;
 #endif  #endif
   if (ostype == 0) return ostype;    if (ostype == 0) return ostype;
   /* Heuristic method */    /* Heuristic method */
     s = getenv("MSYSTEM");
     if (s != NULL) {
       if (strcmp(s,"MSYS")==0) return(4);
       s = (char *)getenv("WINDOWID");
       if (s != NULL) {
         return 5;  // not tested.
       }
     }
   s = (char *)getenv("WINDOWID");    s = (char *)getenv("WINDOWID");
   if (s != NULL) {    if (s != NULL) {
     return 2;      return 2;
Line 235  char *getOStypes() {
Line 314  char *getOStypes() {
     return("Windows-cygwin-on-X");      return("Windows-cygwin-on-X");
   }else if (ostype == 3) {    }else if (ostype == 3) {
     return("Windows-native");      return("Windows-native");
     }else if (ostype == 4) {
       return("Windows-msys");
     }else if (ostype == 5) {
       return("Windows-msys-on-X");
   }else{    }else{
     return("unix");      return("unix");
   }    }
Line 338  char *getOpenXM_HOME() {
Line 421  char *getOpenXM_HOME() {
   if (getOStypei() != 3) {    if (getOStypei() != 3) {
     p = "/usr/local/OpenXM";      p = "/usr/local/OpenXM";
   }else{    }else{
     p = "/cygdrive/c/usr/local/OpenXM";      p = cygname("/c/usr/local/OpenXM");
   }    }
   if (getFileSize(p) != -1) return addSlash(p);    if (getFileSize(p) != -1) return addSlash(p);
   msg_get_home(1,"OpenXM is not found under /usr/local");    msg_get_home(1,"OpenXM is not found under /usr/local");
   
   if (getOStypei() != 0) {    if (getOStypei() != 0) {
     p = "/cygdrive/c/OpenXM";      p = cygname("/c/OpenXM");
     if (getFileSize(p) != -1) return addSlash(p);      if (getFileSize(p) != -1) return addSlash(p);
     msg_get_home(1,"OpenXM is not found under c:\\");      msg_get_home(1,"OpenXM is not found under c:\\");
   
     p = "/cygdrive/c/OpenXM-win";      p = cygname("/c/OpenXM-win");
     if (getFileSize(p) != -1) return addSlash(p);      if (getFileSize(p) != -1) return addSlash(p);
     msg_get_home(1,"OpenXM-win is not found under c:\\");      msg_get_home(1,"OpenXM-win is not found under c:\\");
   
     p = "/cygdrive/c/Program Files/OpenXM";      p = cygname("/c/Program Files/OpenXM");
     if (getFileSize(p) != -1) return addSlash(p);      if (getFileSize(p) != -1) return addSlash(p);
     msg_get_home(1,"OpenXM is not found under c:\\Program Files");      msg_get_home(1,"OpenXM is not found under c:\\Program Files");
   
     p = "/cygdrive/c/Program Files/OpenXM-win";      p = cygname("/c/Program Files/OpenXM-win");
     if (getFileSize(p) != -1) return addSlash(p);      if (getFileSize(p) != -1) return addSlash(p);
     msg_get_home(1,"OpenXM-win is not found under c:\\Program Files");      msg_get_home(1,"OpenXM-win is not found under c:\\Program Files");
   
Line 533  char *cygwinPathToWinPath(char *s) {
Line 616  char *cygwinPathToWinPath(char *s) {
   }else{    }else{
     strcpy(ans,s);      strcpy(ans,s);
   }    }
   #if defined(__MSYS__)
     pos = (char *)strstr(s,"/c/");
     if (pos == s) {
       strcpy(ans,&(s[1]));
       ans[0] = s[1]; ans[1] = ':'; ans[2] = '\\';
     }else{
       strcpy(ans,s);
     }
   #endif
   
   if (ans[0] == '/') {    if (ans[0] == '/') {
   #if defined(__MSYS__) && defined(__x86_64__)
       strcpy(ans,"C:\\msys64");
   #elif defined(__CYGWIN64__) || (defined(__CYGWIN__) && defined(__x86_64__))
       strcpy(ans,"C:\\cygwin64");
   #else
     strcpy(ans,"C:\\cygwin");      strcpy(ans,"C:\\cygwin");
   #endif
     strcat(ans,s);      strcat(ans,s);
   }    }
   
Line 550  char **getServerEnv(char *oxServer) {
Line 648  char **getServerEnv(char *oxServer) {
   int ostype;    int ostype;
   char *p;    char *p;
   char *oxhome;    char *oxhome;
   char *xterm;    char *oxterm;
     int  oxtermType=0;
     char *oxtermOpt;
   char *oxlog;    char *oxlog;
   char *load_sm1_path;    char *load_sm1_path;
   char *load_k0_path;    char *load_k0_path;
Line 593  char **getServerEnv(char *oxServer) {
Line 693  char **getServerEnv(char *oxServer) {
   strcpy(oxServer,p);    strcpy(oxServer,p);
   
   if ((ostype == 0) || (ostype == 2)) {    if ((ostype == 0) || (ostype == 2)) {
     if (!NoX) {  
       xterm = "/usr/X11R6/bin/xterm";  
       if (getFileSize(xterm) == -1) {  
         msg_get_home(2,"xterm is not found. NoX is automatically set.");  
         NoX = 1;  
       }  
     }  
     oxlog = get_oxlog_path();      oxlog = get_oxlog_path();
     xterm = "/usr/X11R6/bin/xterm -icon -e ";          if (!NoX) {
             oxterm = oxTermWhich_unix(&oxtermType);
             if (oxterm == NULL) {
           msg_get_home(2,"oxterm, rxvt, xterm is not found. NoX is automatically set.");
           NoX = 1;
             }
             if (oxtermType == T_XTERM) oxtermOpt = "-icon";
             else  oxtermOpt = "-iconic";
           }
     argv[i] = oxlog; i++; argv[i] = NULL;      argv[i] = oxlog; i++; argv[i] = NULL;
     if (!NoX) {      if (!NoX) {
       argv[i] = "/usr/X11R6/bin/xterm"; i++; argv[i] = NULL;        argv[i] = oxterm ; i++; argv[i] = NULL;
       argv[i] = "-icon"; i++; argv[i] = NULL;        if (((char *)getenv("OX_XTERM_GEOMETRY")) != NULL) {
           /* ex. OX_XTERM_GEOMETRY=80x20+0+0 */
           argv[i] = "-geometry"; i++; argv[i] = NULL;
                   argv[i] = (char *) getenv("OX_XTERM_GEOMETRY"); i++; argv[i] = NULL;
         }else{
           argv[i] = oxtermOpt; i++; argv[i] = NULL;
         }
             /* dirty hack for buggy international xterm cf. OpenXM FAQ */
         argv[i] = "-xrm"; i++; argv[i] = NULL;
         argv[i] = "XTerm*locale:false"; i++; argv[i] = NULL;
   
             if (((char *)getenv("OX_XTERM_SCROLL")) != NULL) {
                   argv[i] = "-sb"; i++; argv[i] = NULL;
                   argv[i] = "-sl"; i++; argv[i] = NULL;
                   argv[i] = (char *) getenv("OX_XTERM_SCROLL"); i++; argv[i] = NULL;
             }
       argv[i] = "-e"; i++; argv[i] = NULL;        argv[i] = "-e"; i++; argv[i] = NULL;
     }      }
     argv[i] = get_ox_path(); i++; argv[i] = NULL;      argv[i] = get_ox_path(); i++; argv[i] = NULL;
     argv[i] = "-ox"; i++; argv[i] = NULL;      argv[i] = "-ox"; i++; argv[i] = NULL;
     argv[i] = oxServer; i++; argv[i] = NULL;      argv[i] = oxServer; i++; argv[i] = NULL;
   }else{    }else if ((ostype == 1) || (ostype == 3)) {  // cygwin or windows-native
     if (!NoX) {      if (!NoX) {
       if (getFileSize("/cygdrive/c/winnt/system32/cmd.exe") >= 0) {        if (getFileSize("/cygdrive/c/winnt/system32/cmd.exe") >= 0) {
         xterm = "/cygdrive/c/winnt/system32/cmd.exe /c start /min ";          oxterm = "/cygdrive/c/winnt/system32/cmd.exe /c start /min ";
         argv[i] = "/cygdrive/c/winnt/system32/cmd.exe"; i++; argv[i] = NULL;          argv[i] = "/cygdrive/c/winnt/system32/cmd.exe"; i++; argv[i] = NULL;
       }else if (getFileSize("/cygdrive/c/windows/system32/cmd.exe") >= 0) {        }else if (getFileSize("/cygdrive/c/windows/system32/cmd.exe") >= 0) {
         xterm = "/cygdrive/c/windows/system32/cmd.exe  /c start /min ";          oxterm = "/cygdrive/c/windows/system32/cmd.exe  /c start /min ";
         argv[i] = "/cygdrive/c/windows/system32/cmd.exe"; i++; argv[i] = NULL;          argv[i] = "/cygdrive/c/windows/system32/cmd.exe"; i++; argv[i] = NULL;
       }else{        }else{
         msg_get_home(2,"cmd.exe is not found. NoX is automatically set.");          msg_get_home(2,"cmd.exe is not found. NoX is automatically set.");
         NoX = 1;          NoX = 1;
       }        }
     }      }
       printf("oxterm=%s\n",oxterm); fflush(NULL);
     oxlog = " ";      oxlog = " ";
     if (!NoX) {      if (!NoX) {
       argv[i] = "/c"; i++; argv[i] = NULL;        argv[i] = "/c"; i++; argv[i] = NULL;
Line 633  char **getServerEnv(char *oxServer) {
Line 750  char **getServerEnv(char *oxServer) {
     argv[i] = cygwinPathToWinPath(get_ox_path()); i++; argv[i] = NULL;      argv[i] = cygwinPathToWinPath(get_ox_path()); i++; argv[i] = NULL;
     argv[i] = "-ox"; i++; argv[i] = NULL;      argv[i] = "-ox"; i++; argv[i] = NULL;
     argv[i] = oxServer; i++; argv[i] = NULL;      argv[i] = oxServer; i++; argv[i] = NULL;
     }else {
       /* msys with mintty*/
       if (!NoX) {
         oxterm = "/usr/bin/mintty";
       }
       if (!NoX) {
         argv[i] = oxterm ; i++; argv[i] = NULL;
         argv[i] = "--exec"; i++; argv[i] = NULL;
       }
       argv[i] = get_ox_path(); i++; argv[i] = NULL;
       argv[i] = "-ox"; i++; argv[i] = NULL;
       argv[i] = oxServer; i++; argv[i] = NULL;
   }    }
   
   
   aaa = (char **) mymalloc(sizeof(char*)*(i+1));    aaa = (char **) mymalloc(sizeof(char*)*(i+1));
   if (aaa == NULL) nomemory(0);    if (aaa == NULL) nomemory(0);
   msg_get_home(2,"--------- Result --------------");    msg_get_home(2,"--------- Result --------------");
Line 848  char *generateTMPfileName(char *seed) {
Line 978  char *generateTMPfileName(char *seed) {
   return NULL;    return NULL;
 }  }
   
   #define MAXTMP2  0xffffff
   char *generateTMPfileName2(char *seed,char *ext,int usetmp,int win){
     char *tmp;
     char *fname;
     char *tt;
     int num;
     static int prevnum=0;
     int i;
     int clean = 0;
     char *extold;
     if (ext == NULL) ext="";
     else {
       extold = ext;
       ext = (char *) mymalloc(strlen(ext)+3);
       if (ext == NULL) {fprintf(stderr,"No more memory.\n"); return NULL;}
       strcpy(ext,".");
       strcat(ext,extold);
     }
     if (usetmp) {
       tmp = getenv("TMP");
       if (tmp == NULL) {
         tmp = getenv("TEMP");
       }
       if ((tmp == NULL) && (strcmp(getOStypes(),"Windows-native") != 0)) {
         tmp = "/tmp";
       }
       tmp = winPathToCygwinPath(tmp);
     }else{
       tmp = NULL;
     }
     if (tmp != NULL) {
       fname = (char *)mymalloc(strlen(tmp)+strlen(seed)+40);
       if (fname == NULL) nomemory(fname);
     }else{
       fname = (char *)mymalloc(strlen(seed)+40);
       if (fname == NULL) nomemory(fname);
     }
     for (num=prevnum+1; num <MAXTMP2; num++) {
       if (tmp != NULL) {
         sprintf(fname,"%s/%s-tmp-%d%s",tmp,seed,num,ext);
       }else{
         sprintf(fname,"%s-tmp-%d%s",seed,num,ext);
       }
       if (getFileSize(fname) < 0) {
         prevnum = num;
         if (win) fname= cygwinPathToWinPath(fname);
         return fname;
       } else {
         if ((num > MAXTMP2-10) && (!clean)) {
           /* Clean the old garbages. */
           for (i=0; i<MAXTMP2; i++) {
             if (tmp != NULL) {
               sprintf(fname,"%s/%s-tmp-%d%s",tmp,seed,i,ext);
             }else{
               sprintf(fname,"%s-tmp-%d%s",seed,i,ext);
             }
             {
               struct stat buf;
               int m;
               m = stat(fname,&buf);
               if ((m >= 0) && (buf.st_mtime+120 < time(NULL))) {
                 unlink(fname);
               }
             }
           }
           num = 0; clean=1; prevnum=0;
         }
       }
     }
     return NULL;
   }
   
 char *getCppPath(void) {  char *getCppPath(void) {
   static char *cpp = "/usr/local/bin/cpp";    static char *cpp = "/usr/local/bin/cpp";
Line 877  char *getCppPath(void) {
Line 1078  char *getCppPath(void) {
     else return NULL;      else return NULL;
   }    }
 }  }
   
   char *getCommandPath(char *cmdname)
   {
     char *path;
     char *msg;
     char *path2;
     char *ss;
     int i,j;
     /* Use /cygdrive format always. */
     if (cmdname == NULL) return NULL;
     if (strlen(cmdname) < 1) {
       errorPathFinder("getCommandPath: cmdname is an empty string.\n");
       return NULL;
     }
     if (cmdname[0] == '/') {
       if (getFileSize(cmdname) >= 0) { /* Todo: isExecutableFile() */
       }else{
         msg = (char *)mymalloc(strlen(cmdname)+30);
         sprintf(msg,"getCommandPath: %s is not found.",cmdname);
         errorPathFinder(msg);
         return NULL;
       }
       return cmdname;
     }
   
     path = getOpenXM_HOME();  /* It will return /cygdrive for windows. */
     if (path != NULL) {
       path2 = (char *)mymalloc(strlen(path)+5);
       strcpy(path2,path);
       strcat(path2,"bin");
       ss = oxWhich(cmdname,path2);
       if (ss != NULL) return ss;
     }
   
     path = (char *)getenv("PATH");  /* Todo: it will not give /cygdrive format*/
     ss = oxWhich(cmdname,path);
     if (ss == NULL) {
       errorPathFinder("oxWhich_unix: could not find it in the path string.\n");
     }
     return ss;
   }
   
   char *oxWhich(char *cmdname,char *path) {
     return(oxWhich_unix(cmdname,path));
   }
   
   char *oxWhich_unix(char *cmdname,char *path) {
     char *path2;
     int i,j;
     if (path == NULL) {
       return NULL;
     }
   
     path2 = (char *)mymalloc(strlen(path)+strlen(cmdname)+2);
     for (i=0, j=0; i <= strlen(path); i++) {
       path2[j] = 0;
       if ((path[i] == ':') || (path[i] == 0)) {
         strcat(path2,"/"); strcat(path2,cmdname);
         if (getFileSize(path2) >= 0) { /* Todo: isExecutableFile() */
           return path2;
         }
         j = 0; path2[j] = 0;
       }else{
         path2[j] = path[i]; j++; path2[j] = 0;
       }
     }
     return NULL;
   }
   
   char *oxEvalEnvVar(char *s) {
     int n, i,j;
     char *es;
     char *news;
     int flag,flag2;
     flag=-1;
     n = strlen(s);
     es = (char *)mymalloc(n+1); es[0] = 0;
     if (es == NULL) nomemory(1);
     for (i=0; i<n; i++) {
       if ((s[i] == '$') && (s[i+1] == '{')) {
         for (j=0; ; j++) {
           if ((s[i+2+j] == 0) || (s[i+2+j] == '}')) {
             flag2 = i+2+j+1;
             break;
           }
           es[j] = s[i+2+j]; es[j+1]=0;
         }
         if (es[0] != 0) { flag=i; break; }
       }
     }
     if (flag >= 0) {
       es = (char *)getenv(es);
       if (es == NULL) es="";
       news = (char *) mymalloc(n+5+strlen(es));
       if (news == NULL) nomemory(1);
       j = 0;
       for (i=0; i<flag; i++) {
         news[j] = s[i]; j++;
       }
       for (i=0; i<strlen(es); i++) {
         news[j] = es[i]; j++;
       }
       for (i=flag2; i<strlen(s); i++) {
         news[j] = s[i]; j++;
       }
       news[j] = 0;
       return(oxEvalEnvVar(news));
     }else{
       return(s);
     }
   }
   
   void oxResetRedirect(void) {
     if (OX_P_stdin >= 0) close(OX_P_stdin);
     if (OX_P_stdout >= 0) close(OX_P_stdout);
     if (OX_P_stderr >= 0) close(OX_P_stderr);
     OX_P_stdin = OX_P_stdout = OX_P_stderr = -1;
   }
   
   int oxDeleteFile(char *fname) {
     if (getFileSize(fname) >= 0) {
       return(unlink(fname));
     }else{
       return(-1);
     }
   }
   
   /* This function just kills processes, so if there is a process which
      uses ox protocol, it is not relevant to use this functions.
   */
   #if  (!defined(__MINGW32__) &&  !defined(__MINGW64__))
   int oxKillAll(void) {
     int i;
     int pid;
     int status;
     for (i=0; i<Myforkcp; i++) {
       pid = Myforkchildren[i];
           if (Verbose) fprintf(stderr,"Sending signal to %d ... ",pid);
       kill(pid,SIGKILL);
           waitpid(pid,&status,0);
           if (Verbose) fprintf(stderr,"Gone.\n");
     }
     Myforkcp = 0;
     return(0);
   }
   #else
   int oxKillAll(void) {
     fprintf(stderr,"ERROR: oxKillAll is not implented in mingw\n");
     return(-1);
   }
   #endif
   void ox_pathfinder_quiet(void) {
     Verbose_get_home = 0;
     Verbose = 0;
   }
   
   char *oxTermWhich_unix(int *typep) {
     char *s;
     char *p;
     p = (char *) getenv("PATH");
     s = oxWhich("oxterm",p); *typep = T_OXTERM;
     if (s != NULL) return s;
   
   /*  skip the search of rxvt  (temporary)
     s = oxWhich("rxvt",p); *typep = T_RXVT;
     if (s != NULL) return s;
   */
   
     s = oxWhich("xterm",p); *typep = T_XTERM;
     if (s != NULL) return s;
   
     return NULL;
   }
   
   int oxpSendStringAsFile(char *user,char *hostname, char *filename, char *str)
   {
     FILE *fp;
     int i;
     char *comm;
     char *argv[10];
     mode_t oumask;
     oumask = umask((mode_t) (64-1));
     /* 077=111 111 */
     fp = fopen(filename,"w");
     umask(oumask);
     if (fp == NULL) {
           return -1;
     }
     for (i=0; i <strlen(str); i++) {
           fputc(str[i],fp);
     }
     fclose(fp);
     if (strcmp(hostname,"localhost") == 0) return 0;
     comm = (char *)malloc(strlen(user)+strlen(hostname)+strlen(filename)*2+1024);
     if (comm == NULL) return -2;
   
     argv[0] = getCommandPath("scp");
     if (argv[0] == NULL) return -3;
     argv[1] = filename;
     comm = (char *)malloc(strlen(user)+strlen(hostname)+strlen(filename)+256);
     sprintf(comm,"%s@%s:%s",user,hostname,filename);
     argv[2] = comm;
     argv[3] = NULL;
     return oxForkExec(argv);
   }
   
   char *oxpReadOneTimePasswordFromFile(char *filename) {
   }
   
   int ox_pathfinderEngineLogToStdout(int state) {
     EngineLogToStdout = state;
   }
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  Added in v.1.36
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