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    Diff of /trunk/mkinitrd-magellan/klibc/usr/dash/var.c

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    revision 1121 by niro, Sat Sep 1 22:45:15 2007 UTC revision 1122 by niro, Wed Aug 18 21:11:40 2010 UTC
    # Line 90  struct var varinit[] = { Line 90  struct var varinit[] = {
    90   { 0, VSTRFIXED|VTEXTFIXED, "PS2=> ", 0 },   { 0, VSTRFIXED|VTEXTFIXED, "PS2=> ", 0 },
    91   { 0, VSTRFIXED|VTEXTFIXED, "PS4=+ ", 0 },   { 0, VSTRFIXED|VTEXTFIXED, "PS4=+ ", 0 },
    92   { 0, VSTRFIXED|VTEXTFIXED, "OPTIND=1", getoptsreset },   { 0, VSTRFIXED|VTEXTFIXED, "OPTIND=1", getoptsreset },
    93     { 0, VSTRFIXED|VTEXTFIXED, "LINENO=1", 0 },
    94  #ifndef SMALL  #ifndef SMALL
    95   { 0, VSTRFIXED|VTEXTFIXED|VUNSET, "TERM\0", 0 },   { 0, VSTRFIXED|VTEXTFIXED|VUNSET, "TERM\0", 0 },
    96   { 0, VSTRFIXED|VTEXTFIXED|VUNSET, "HISTSIZE\0", sethistsize },   { 0, VSTRFIXED|VTEXTFIXED|VUNSET, "HISTSIZE\0", sethistsize },
    # Line 168  initvar(void) Line 169  initvar(void)
    169  }  }
    170    
    171  /*  /*
      * Safe version of setvar, returns 1 on success 0 on failure.  
      */  
       
     int  
     setvarsafe(const char *name, const char *val, int flags)  
     {  
      int err;  
      volatile int saveint;  
      struct jmploc *volatile savehandler = handler;  
      struct jmploc jmploc;  
       
      SAVEINT(saveint);  
      if (setjmp(jmploc.loc))  
      err = 1;  
      else {  
      handler = &jmploc;  
      setvar(name, val, flags);  
      err = 0;  
      }  
      handler = savehandler;  
      RESTOREINT(saveint);  
      return err;  
     }  
       
     /*  
    172   * Set the value of a variable.  The flags argument is ored with the   * Set the value of a variable.  The flags argument is ored with the
    173   * flags of the variable.  If val is NULL, the variable is unset.   * flags of the variable.  If val is NULL, the variable is unset.
    174   */   */
    # Line 227  setvar(const char *name, const char *val Line 203  setvar(const char *name, const char *val
    203   INTON;   INTON;
    204  }  }
    205    
    206    /*
    207     * Set the given integer as the value of a variable.  The flags argument is
    208     * ored with the flags of the variable.
    209     */
    210    
    211    intmax_t setvarint(const char *name, intmax_t val, int flags)
    212    {
    213     int len = max_int_length(sizeof(val));
    214     char buf[len];
    215    
    216     fmtstr(buf, len, "%jd", val);
    217     setvar(name, buf, flags);
    218     return val;
    219    }
    220    
    221    
    222    
    223  /*  /*
    # Line 318  lookupvar(const char *name) Line 309  lookupvar(const char *name)
    309   return NULL;   return NULL;
    310  }  }
    311    
    312    intmax_t lookupvarint(const char *name)
    313    {
    314     return atomax(lookupvar(name) ?: nullstr, 0);
    315    }
    316    
    317    
    318    
    319  /*  /*
    Legend:
    Removed from v.1121  
    changed lines
      Added in v.1122