hecmw_error.c

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/*****************************************************************************
 * Copyright (c) 2019 FrontISTR Commons
 * This software is released under the MIT License, see LICENSE.txt
 *****************************************************************************/
 
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "hecmw_util.h"
#include "hecmw_error.h"
 
static int hecmw_errno;
 
static char hecmw_errmsg[HECMW_MSG_LEN + 1];
 
int HECMW_set_verror(int errorno, const char *fmt, va_list ap) {
  char errmsg[HECMW_MSG_LEN + 1];
 
  hecmw_errno = errorno;
 
  size_t len = snprintf(hecmw_errmsg, sizeof(hecmw_errmsg), "%s", HECMW_strmsg(errorno));
  HECMW_vsnprintf(errmsg, sizeof(errmsg), fmt, ap);
 
  if (strlen(errmsg) > 0)
    snprintf(hecmw_errmsg + len, sizeof(hecmw_errmsg) - len, " (%s)", errmsg);
 
  HECMW_print_error();
 
  return 0;
}
 
int HECMW_set_error(int errorno, const char *fmt, ...) {
  int rc;
  va_list ap;
 
  rc = 0;
  va_start(ap, fmt);
  rc = HECMW_set_verror(errorno, fmt, ap);
  va_end(ap);
 
  return rc;
}
 
int HECMW_get_error(char **errmsg) {
  if (errmsg) {
    *errmsg = hecmw_errmsg;
  }
  return hecmw_errno;
}
 
int HECMW_get_errno(void) { return hecmw_errno; }
 
char *HECMW_get_errmsg(void) { return hecmw_errmsg; }