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  1. /*    Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
  2.  *
  3.  *  This program is free software; you can redistribute it and/or modify
  4.  *  it under the terms of the GNU General Public License as published by
  5.  *  the Free Software Foundation; either version 2 of the License, or
  6.  *  (at your option) any later version.
  7.  *
  8.  *  This program is distributed in the hope that it will be useful,
  9.  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11.  *  GNU General Public License for more details.
  12.  *
  13.  *  You should have received a copy of the GNU General Public License
  14.  *  along with this program; if not, write to the Free Software
  15.  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16.  */
  17.  
  18.         /* Interface Scilab to wims */
  19.  
  20. /*************** Customization: change values hereafter ****************/
  21.  
  22.         /* limit of input/output file sizes */
  23. #define fsizelim 131072
  24.         /* This string tells scilab to exit. */
  25. #define quitstring "\nquit\n"
  26.         /* The way to print a string in the program. */
  27. #define stringprinter "\"%s\"\n"
  28.         /* This is scilab home page. To be kept up to date. */
  29. #define homepage "http://www.scilab.org/"
  30.         /* String to search for answers */
  31.  
  32. // old chroot:  char ans_str[]="\n-->";
  33. char ans_str[]="\n";
  34.  
  35. char *nameofcmd="scilab -nw -ns";
  36. int precision=9;
  37. char header[]="\
  38. ";
  39.  
  40. struct {
  41.     char *wname;    char *defaultval;   char *setname;
  42. } setups[]={
  43.         {"w_scilab_precision",  "9",    "output_precision"}
  44. };
  45.  
  46.         /* names which are not allowed */
  47. char *illegal[]={
  48. };
  49.  
  50.         /* name parts which are not allowed */
  51. char *illpart[]={
  52. };
  53.  
  54. /***************** Nothing should need change hereafter *****************/
  55.  
  56. #define progname "scilab"
  57. #include "common.h"
  58. #include "common.c"
  59.  
  60.         /* check for security violations in command string */
  61. void check_parm(char *p)
  62. {
  63.     char *pp, *s;
  64.    
  65.           /* Underscore replacement */
  66.     for(pp=strchr(p,'_'); pp!=NULL; pp=strchr(pp+1,'_')) {
  67.         if(pp==p || !isalnum(*(pp-1))) *pp='K';
  68.     }
  69.     for(s=p;*s;s++) *s=tolower(*s);
  70.     find_illegal(p);
  71. }
  72.  
  73.         /* process and print Scilab output */
  74. void output(char *p)
  75. {
  76.     int i,n;
  77.     char *pp, *pe, *pt;
  78.  
  79.     for(pp=strstr(p,ans_str); pp; pp=pe) {
  80.         pp+=strlen(ans_str); pe=strstr(pp,ans_str);
  81.         if(pe) *pe=0;
  82.         pp=find_word_start(pp); if(memcmp(pp,"ans  =",strlen("ans  ="))==0) {
  83.             pp+=strlen("ans  ="); pp=find_word_start(pp);
  84.         }
  85.         if(pe!=NULL && pp>=pe) {
  86.             emptyline:
  87.             puts(""); continue;
  88.         }
  89.         n=strlen(pp); if(n==0) goto emptyline;
  90.           /* strip leading and trailing spaces */
  91.         while(isspace(*pp) && pp<pe) pp++;
  92.         pt=pp+strlen(pp)-1;
  93.         while(isspace(*pt) && pt>pp) *pt--=0;
  94.                 /* make every output one-line */
  95.         for(i=0;i<n;i++) {
  96.             if(*(pp+i)=='\n') *(pp+i)=';';
  97.         }
  98. /*      strip_zeros(pp); */
  99.         puts(pp);
  100.     }
  101. }
  102.  
  103. void about(void)
  104. {
  105.     char *p;
  106.  
  107.     prepabout(quitstring,outputfname,NULL);
  108.     if(readabout()>0) {
  109.         p=strchr(aboutbuf,'\n'); if(p!=NULL) *p=0;
  110.         p=strchr(aboutbuf,'('); if(p!=NULL) *p=0;
  111.         strip_trailing_spaces(aboutbuf);
  112.         printf("<a href=\"%s\">%s</a>",homepage,aboutbuf);
  113.     }
  114. }
  115.  
  116. char *dynsetup(char *ptr, char *end)
  117. {
  118.     int i;
  119.     char *p, *pp;
  120.     for(i=0;i<SETUP_NO;i++) {
  121.         p=getenv(setups[i].wname);
  122.         if(p!=NULL) for(pp=p;*pp;pp++) if(!isspace(*pp) && !isalnum(*pp)) p="";
  123.         if(p==NULL || *p==0) p=setups[i].defaultval;
  124.         snprintf(ptr,end-ptr,"%s=%s\n",setups[i].setname,p);
  125.         ptr+=strlen(ptr);
  126.         if(strstr(setups[i].wname,"scilab_precision")!=NULL)
  127.           precision=atoi(p);
  128.         if(precision<0) precision=-precision;
  129.     }
  130.     return ptr;
  131. }
  132.  
  133. int main(int argc,char *argv[])
  134. {
  135.     setenv("chroot","must",1);
  136.     setenv("sysmask","must",1);
  137.     must_chroot=1;
  138.     prepare1();
  139.     run();
  140.     return 0;    
  141. }
  142.  
  143.