mirror of
https://github.com/mfocko/blog.git
synced 2024-11-14 01:59:42 +01:00
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#include <ctype.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#define UNUSED(x) ((void) (x))
|
|
|
|
/**
|
|
* @brief Counts occurences of any substring in the file.
|
|
* @param file File where the substring is to be counted in.
|
|
* @param substring Substring to be counted.
|
|
* @returns Count of occurences of the substring the given file.
|
|
*/
|
|
long count_anything(FILE *file, const char *substring)
|
|
{
|
|
/* TODO */
|
|
UNUSED(file);
|
|
UNUSED(substring);
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @brief Counts ananas. Nothing more to it.
|
|
* @param file File where the ananas is to be counted in.
|
|
* @returns Count of occurences of ananas.
|
|
*/
|
|
long count_ananas(FILE *file)
|
|
{
|
|
return count_anything(file, "ananas");
|
|
}
|
|
|
|
/**
|
|
* @brief Writes given number to the file, character by character.
|
|
* @param file File where the number is supposed to be written.
|
|
* @param number Number to be written.
|
|
*/
|
|
void write_number(FILE *file, long number)
|
|
{
|
|
/* TODO */
|
|
UNUSED(file);
|
|
UNUSED(number);
|
|
}
|
|
|
|
/**
|
|
* @brief Main function of a program.
|
|
* @returns Exit code that denotes following:
|
|
* 0 in case of success
|
|
* 1 in case of invalid usage
|
|
* 2 in case of failure on input file
|
|
* 3 in case of failure on output file
|
|
*/
|
|
int main(int argc, char **argv)
|
|
{
|
|
if (argc < 3 || argc > 4) {
|
|
printf("Usage: %s <input-file> <output-file> [string-to-be-counted]\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
/* TODO */
|
|
return 0;
|
|
}
|