[ts-7000] TS-7400 segmentation fault with fprintf

["dglen2000" <>]

Hi guys, I am developing code on the TS7400 running debian, and I have
encountered a problem with writing to files.  I am new to writing
software for debian, so please bear with me.

my program exits after printing a segmentation fault... here is my
code, its basically just a hello world to a file.

int main (){

        FILE * f1 = (FILE*)(open("test.txt", O_RDWR|O_CREAT, S_IRUSR |
S_IWUSR | S_IRGRP | S_IRWXO));

        if (f1!=NULL){
                printf("\nfile test.txt created\n");
                fprintf(f1,"Hi... im the file contents");
                fclose (f1);
        } else {
                printf("\nfile failed to open\n");
                fclose (f1);
        }

        return 0;


}

when I exicute the program it prints that the file is created, so I
know I am not trying to write to a NULL pointer. Just after that the
segmentation fault occurs.  test.txt exists but is empty.

Please tell me why this is happening, and what I can do to resolve it

Thanks,
David




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