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