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Diff for /gforth/Attic/engine.c between versions 1.24 and 1.27

version 1.24, 1995/02/23 20:17:18 version 1.27, 1995/06/07 10:05:04
Line 14 Line 14
 #include <time.h>  #include <time.h>
 #include <sys/time.h>  #include <sys/time.h>
 #include <unistd.h>  #include <unistd.h>
   #include <errno.h>
   #include <pwd.h>
 #include "forth.h"  #include "forth.h"
 #include "io.h"  #include "io.h"
   
Line 22 Line 24
 #define SEEK_SET 0  #define SEEK_SET 0
 #endif  #endif
   
   #define IOR(flag)       ((flag)? -512-errno : 0)
   
 typedef union {  typedef union {
   struct {    struct {
 #ifdef WORDS_BIGENDIAN  #ifdef WORDS_BIGENDIAN
Line 123  typedef struct F83Name { Line 127  typedef struct F83Name {
 #define FTOS (fp[0])  #define FTOS (fp[0])
 #endif  #endif
   
   Cell *SP;
   Float *FP;
 int emitcounter;  int emitcounter;
 #define NULLC '\0'  #define NULLC '\0'
   
Line 155  char *cstr(Char *from, UCell size, int c Line 161  char *cstr(Char *from, UCell size, int c
   return oldnextscratch;    return oldnextscratch;
 }  }
   
   char *tilde_cstr(Char *from, UCell size, int clear)
   /* like cstr(), but perform tilde expansion on the string */
   {
     char *s1,*s2;
     int s1_len, s2_len;
     struct passwd *getpwnam (), *user_entry;
   
     if (size<1 || from[0]!='~')
       return cstr(from, size, clear);
     if (size<2 || from[1]=='/') {
       s1 = (char *)getenv ("HOME");
       s2 = from+1;
       s2_len = size-1;
     } else {
       int i;
       for (i=1; i<size && from[i]!='/'; i++)
         ;
       {
         char user[i];
         memcpy(user,from+1,i-1);
         user[i-1]='\0';
         user_entry=getpwnam(user);
       }
       if (user_entry==NULL)
         return cstr(from, size, clear);
       s1 = user_entry->pw_dir;
       s2 = from+i;
       s2_len = size-i;
     }
     s1_len = strlen(s1);
     if (s1_len>1 && s1[s1_len-1]=='/')
       s1_len--;
     {
       char path[s1_len+s2_len];
       memcpy(path,s1,s1_len);
       memcpy(path+s1_len,s2,s2_len);
       return cstr(path,s1_len+s2_len,clear);
     }
   }
      
   
 #define NEWLINE '\n'  #define NEWLINE '\n'
   
 #ifndef HAVE_RINT  #ifndef HAVE_RINT
 #define rint(x) floor((x)+0.5)  #define rint(x) floor((x)+0.5)
 #endif  #endif
   
 static char* fileattr[6]={"r","rb","r+","r+b","w+","w+b"};  static char* fileattr[6]={"r","rb","r+","r+b","w","wb"};
   
 static Address up0=NULL;  static Address up0=NULL;
   
Removed from v.1.24  
changed lines
  Added in v.1.27

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