tclose_block.c - tomb - the crypto undertaker
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       ---
       tclose_block.c (796B)
       ---
            1 /*
            2  * Small program which simply opens a file in a tomb to block the
            3  *  $ tomb close
            4  * operation
            5  *
            6  * Hard coded assumption on command line arguments
            7  * 2) Path to open
            8  * 3) How long to open the file (in seconds and can be optional)
            9  */
           10 
           11 #include <stdio.h>
           12 #include <stdlib.h>
           13 #include <unistd.h>
           14 
           15 
           16 int main(int argc, char const *argv[]) {
           17     FILE *file_ptr;
           18     unsigned int to_wait=10;
           19 
           20     if ( argc < 2 ) {
           21         fprintf(stderr, "Usage: %s path [time]\n", argv[0]);
           22         exit(EXIT_FAILURE);
           23     }
           24 
           25     if ( argc == 3 ) {
           26         to_wait = atoi(argv[2]);
           27     }
           28 
           29     file_ptr = fopen(argv[1],"w");
           30 
           31     if ( file_ptr == NULL ) {
           32         fprintf(stderr, "Error while opening the file.\n");
           33         exit(EXIT_FAILURE);
           34     }
           35 
           36     sleep(to_wait);
           37 
           38     fclose(file_ptr);
           39 
           40     return 0;
           41 }