extern OSErr get_file_spec(
FSSpec *spec,
short listid,
short item,
short pathsid)
{
Str255 itemstr;
Str255 pathstr;
int i,n;
OSErr err;
int itemlen,pathlen;
getpstr(itemstr,listid,item);
err=FSMakeFSSpec(0,0,itemstr,spec);
if (err==noErr) {
return err;
}
itemlen=itemstr[0];
n=countstr(pathsid);
for (i=0; i<n; i++) {
getpstr(pathstr,pathsid,i);
pathlen=pathstr[0];
pathstr[0]=pathlen+itemlen;
memcpy(pathstr+pathlen+1,itemstr+1,itemlen);
err=FSMakeFSSpec(0,0,itemstr,spec);
if (err==noErr) {
return err;
}
}
return fnfErr;
}
int main(void)
{
int i;
char str[100];
printf("input a string");
scanf("%s",str);
i=0;
while (str[i]!='\0')
{
countstr(str[i]);
}
return 0;
}
//replace every occurrence of str1 with str2 a maximum of num times
unsigned string::replacestr(const char* str1,const char* str2,unsigned size1,unsigned size2,unsigned num){
unsigned c=countstr(str1,size1);
if(datalen+(size2-size1)*c>datasize){
resizedata(((size2-size1)*c)<<1);}
unsigned x,pos=0,n=0;
while(pos<=datalen && n<num){
for(x=0;x<size1 && pos<=datalen;++x,++pos){
if(data[pos]!=str1[x]){
break;}}
if(x==size1){
memmove(data+pos+size2-size1,data+pos,datalen+size2-size1);
memcpy(data+pos-size1,str2,size2);
++n;}
else{
++pos;}}
datalen+=(size2-size1)*n;
return n;}
short HOpenResFilePath(
short vRefNum,
long dirID,
ConstStr255Param fileName,
char permission,
short resource_number)
{
short hndl= HOpenResFile(vRefNum, dirID, fileName, permission);
short path_count= countstr(resource_number);
Str255 new_filename;
short i;
for (i= 0; i<path_count && hndl==NONE; ++i)
{
getpstr((char *)new_filename, resource_number, i);
pstrcat(new_filename, (unsigned char *) fileName);
hndl= HOpenResFile(0, 0, new_filename, permission);
}
return hndl;
}
OSErr HOpenPath(
short vRefNum,
long dirID,
ConstStr255Param fileName,
char permission,
short *refNum,
short resource_number)
{
OSErr error= HOpen(vRefNum, dirID, fileName, permission, refNum);
short path_count= countstr(resource_number);
Str255 new_filename;
short i;
for (i= 0; i<path_count && error!=noErr; ++i)
{
getpstr((char *)new_filename, resource_number, i);
pstrcat(new_filename, (unsigned char *) fileName);
error= HOpen(0, 0, new_filename, permission, refNum);
if (error==noErr) pstrcpy((char *) fileName, (const char *)new_filename);
}
return error;
}
unsigned string::count(const string& str) const{
return countstr(str.data,str.datalen);}
unsigned string::count(const char* str) const{
return countstr(str,strlen(str));}
//count
unsigned string::count(const char c) const{
return countstr(&c,1);}
