path: root/src/ckerrlog.c

/* ckerrlog.c - Error report and logging for ck ------------------------*- C -*-
 *
 * This file is part of ck, the config keeper
 *
 * -----------------------------------------------------------------------------
 *
 * Copyright (C) 2018  Anastasis Grammenos
 * GPLv3 (see LICENCE for the full notice)
 *
 * -------------------------------------------------------------------------- */
#include <time.h>

#include "ckerrlog.h"
#include "ckutil.h"

#define COMPONENT "ckerrlog"

static char *err;
static char *log;
static int loglvl;
static char buf[STR_M];

char * get_time() {
  time_t rawtime;
  struct tm * timeinfo;
  time (&rawtime);
  timeinfo = localtime (&rawtime);
  strftime (buf,80,"[%c]",timeinfo);
  return buf;
}

void initialize_errlog() {
  err = NULL;
  log = NULL;
  loglvl = 0;
  cklog("%s Log session started", get_time());
}

void report_errlog() {
  if (err)
    printf("Errors:\n%s", err);
    free(err);
  if (log)
    printf("Logs:\n%s", log);
    free(log);
}

#define X(stream)                                                       \
  void add_ ## stream ## _with_delim(char *delim, char *txt,            \
                                     va_list args) {                    \
    char tmp[STR_L];                                                    \
    vsprintf(tmp, txt, args);                                           \
    if (stream) {                                                       \
      stream = (char *)realloc(stream, strlen(stream) +                 \
                               strlen(tmp) + strlen(delim) + 1);        \
      strcat(stream, tmp);                                              \
      strcat(stream, delim);                                            \
      return;                                                           \
    }                                                                   \
    stream = (char *)malloc(strlen(tmp) + strlen(delim) + 1);           \
    strcpy(stream, tmp);                                                \
    strcat(stream, delim);                                              \
  }
CK_STREAMS
#undef X

void ckerr(char *txt, ...) {
  va_list args;
  va_start(args, txt);
  add_err_with_delim("\n", txt, args);
  va_end(args);
}

void cklog(char *txt, ...) {
  va_list args;
  va_start(args, txt);
  add_log_with_delim("\n", txt, args);
  va_end(args);
}

void ckerr_add_component(char *txt, ...) {
  va_list args;
  va_start(args, txt);
  add_err_with_delim(" ", txt, args);
  va_end(args);
}