e_socket/coverage.c at master · aburkhalter512/e_socket · GitHub

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#include "coverage.h"

#include <stdlib.h>
#include <stdio.h>
#include <time.h>

static void copy(char* dst, const char* src)
{
    if (!dst || !src)
        return;

    while (*src)
        *dst++ = *src++;

    *dst = '\0';
}
static int len(const char* str)
{
    if (!str)
        return 0;

    int l = 1; // Accounts for \0 char
    while (*str++)
        l++;

    return l;
}

static char* _cov_filename;
static FILE* cov_file;
static int* cov_counter;

void cov_filename(const char filename[])
{
    if (_cov_filename != NULL)
        free(_cov_filename);

    _cov_filename = calloc(sizeof(char), len(filename));
    copy(_cov_filename, filename);
}

void cov_start()
{
    if (cov_file)
        return;

    cov_file = fopen(_cov_filename, "a");

    time_t cur_time;
    time(&cur_time);
    char* start_time = ctime(&cur_time);

    fprintf(cov_file, "START: %s", start_time);
    cov_counter = calloc(1, sizeof(int));
}
void cov_hit(const char str[])
{
    if (!cov_file)
        return;

    fprintf(cov_file, "%d: %s", *cov_counter, str);
    (*cov_counter)++;
}
void cov_stop()
{
    if (!cov_file)
        return;

    fclose(cov_file);
    cov_file = NULL;

    free(cov_counter);
}