/* Copyright StrongLoop, Inc. All rights reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to

 * deal in the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 */

#include "defs.h"

#include <stdarg.h>

#include <stdio.h>

#include <stdlib.h>

static void pr_do(FILE *stream,

                  const char *label,

                  const char *fmt,

                  va_list ap);

void *xmalloc(size_t size) {

  void *ptr;

  ptr = malloc(size);

  if (ptr == NULL) {

    pr_err("out of memory, need %lu bytes", (unsigned long) size);

    exit(1);

  }

  return ptr;

}

void pr_info(const char *fmt, ...) {

  va_list ap;

  va_start(ap, fmt);

  pr_do(stdout, "info", fmt, ap);

  va_end(ap);

}

void pr_warn(const char *fmt, ...) {

  va_list ap;

  va_start(ap, fmt);

  pr_do(stderr, "warn", fmt, ap);

  va_end(ap);

}

void pr_err(const char *fmt, ...) {

  va_list ap;

  va_start(ap, fmt);

  pr_do(stderr, "error", fmt, ap);

  va_end(ap);

}

static void pr_do(FILE *stream,

                  const char *label,

                  const char *fmt,

                  va_list ap) {

  char fmtbuf[1024];

  vsnprintf(fmtbuf, sizeof(fmtbuf), fmt, ap);

  fprintf(stream, "%s:%s: %s\n", _getprogname(), label, fmtbuf);

}