View Full Version : Xcode and C programming

Jan 13, 2005, 02:51 PM
Hi, I am having trouble adding a text file to my project. I have written a program in C to read from a file. I have added the file name untitled but
the program says that the file does not exist and can't be open.
When I looked at the project folder the file is there and when I look at targets it is also there. Thanks for your help. Here is the code.
I have copied it to the unix terminal and it worked just fine.

#include <stdio.h>
/* SEEK-SET from beginning of file start at bite zero. From zero
SEEK-CUR Set position to current location plus offset
SEEK-END Set position of EOF plus offfset */
#define INFILE "../Untitled1"
#define ARRAYSIZE 100

int main ()
FILE *fp;
long offset[ARRAYSIZE];
int c=0;
char iline[81];

/* intialize array with sentinel values*/
for (c=0; c < ARRAYSIZE; c++)
offset[c]=-1; /* setting all arrray to -1. -1 is an invalid file
address so that i can recognize if fput a file in theres */
// system("clear");
printf("%s", INFILE);
if((fp= fopen(INFILE,"r")) == NULL){
printf("unable to open %s!\n\n",INFILE);
//perror(INFILE); /* display las error message */

/* Read all lines from the file and look for the start that indicates the next line is a title.
Grab the file pointer to the title and it in the arrray of offssets so we can reposition the file pointer
c=0; /* reset to start of array*/
fgets(iline, 81,fp);

if(iline[0] == '*'){
offset[c]= ftell(fp);
}/*end if */

} /*end while*/
/* Revisti all titles by getting the saved offset and positoning the
file pointer from the beginning of the file */
for(c=0; offset[c] >=0; c++) /* Walk through the file address position fiel at addres saved and the nprintf */
fseek(fp,offset[c], SEEK_SET); /* seek_set long it. fseek postion the file pointer where ever location is given */
fgets(iline,81,fp); /* then read the title line */
printf("%3d. %s", c +1, iline); /* then print it*/

}/* end for loop */
// insert code here...
printf("Hello, World!\n");
return 0;

Jan 13, 2005, 03:24 PM
Am I seeing double? (http://forums.macrumors.com/showthread.php?p=1212119#post1212119)

Jan 13, 2005, 03:27 PM
Am I seeing double? (http://forums.macrumors.com/showthread.php?p=1212119#post1212119)

As am I. :p :)