support.c

ADAM2 sources (modified by Oleg)

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/*  c/o ADAM2 Application Manager                                              */
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/*-----------------------------------------------------------------------------*/

#include "_stdio.h"
#include "support.h"
#include "sio.h"

#define getchar SioInChar             
#define outchar SioOutChar

void SkipSpaces(char **ptr)
  {
  while((**ptr==' ')||(**ptr=='\t')) (*ptr)++;
  }


int IsCharMember(char achar,char *member)
  {
   
  while(*member)
    {
    if (achar==*member++)
      return(TRUE);
    }
  return(FALSE);
  }

void GetStringField(char **cpp,char *cstr,int clen,char *leagals)
  {
  int orig_clen;

  orig_clen=clen;
  SkipSpaces(cpp);
  while ((isalnum(**cpp))||(IsCharMember(**cpp,leagals)))
    {
    if (clen)
      {
      clen--;
      *cstr++=**cpp;
      }
    (*cpp)++;
    }
  if (!orig_clen) return;
  if (!clen) clen--;
  *cstr=0;
  }

void GetInputLine(char *str,int len,char *leagals)
  {
  char achar;
  int index;

  index=0;
  while(TRUE)
    {
    achar=getchar(); 
    achar&=0x7f;
    switch(achar)
      {             
      case 13:
      case '\n':   if (len) 
                     str[index]=0;   
                   outchar('\015');
                   outchar('\n');
                   return;
      case '\010': if (index)
                     {
                     index--;  
                     outchar('\010');
                     outchar(' ');
                     outchar('\010');
                     }
                   break;
      default:     if ((isalnum(achar))||(IsCharMember(achar,leagals)))
                     {
                     if ((index+1)<len)
                       {
                       str[index++]=achar; 
                       outchar(achar);
                       }                       
                     }
                    else
                     sys_printf("\nChar '%c'(%02x) Ignored!",achar,achar&0x0ff);
                   break;
      }
    }
  }

char *strcat(char *s1, const char *s2)  
  {     
  char *cp;
  cp=s1;  
  while(*cp) cp++;
  while(*s2) *cp++=*s2++;
  *cp=*s2;
  return(s1);
  }
  
char *strcpy(char *s1, const char *s2) 
  {           
  char *cp;
  
  cp=s1;
  while(*s2)
    *cp++=*s2++;
  *cp=*s2; 
  return(s1);
  }

char *strncpy(char *s1, const char *s2, int len) 
  {           
  char *cp;
  
  cp=s1;
  while(*s2 && len) {
    *cp++=*s2++;
	len--;
  }
  *cp=*s2; 
  return(s1);
  }
  
size_t strlen(const char *s)
  {                            
  register int len=0;
  
  while(*s)
    {
    s++;
    len++;
    }
  return(len);  
  }

int isupper(int c)
  {
  return((c>='A')&&(c<='Z'));
  }      

int isalpha(int c)
  {
  return(isupper(c)||islower(c));
  }

int toupper(int c)
{
	if (islower(c))
		return c - ('a' - 'A');
	else
		return c;
}        

int islower(int c)
{
  return((c>='a')&&(c<='z'));
}        
  
int isalnum(int c)
  {
  return(isalpha(c)||isdigit(c));
  }
  
int isxdigit(int c)