/* Copyright (C) 2011 Edward Der-Hua Liu, Hsin-Chu, Taiwan
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation version 2.1
 * of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "hime.h"
#include <errno.h>

#if !CLIENT_LIB || DEBUG
static FILE *out_fp;
#endif

void p_err(char *fmt,...)
{
  va_list args;
  char out[4096];

  va_start(args, fmt);
  vsprintf(out, fmt, args);
  va_end(args);

  fprintf(stderr, "%s\n", out);

#if DEBUG && 1
  abort();
#else
  if (getenv("HIME_ERR_COREDUMP"))
    abort();
  exit(-1);
#endif
}

#if !CLIENT_LIB || DEBUG
static void init_out_fp()
{
  if (!out_fp) {
    if (getenv("HIME_DBG_TMP") || 0) {
      char fname[64];
      sprintf(fname, "%s/himedbg-%d-%d", g_get_tmp_dir(), getuid(), getpid());
      out_fp = fopen(fname, "w");
    }

    if (!out_fp)
      out_fp = stdout;
  }
}
#endif

#if !CLIENT_LIB
void dbg_time(char *fmt,...)
{
  va_list args;
  time_t t;

  init_out_fp();

  time(&t);
  struct tm *ltime = localtime(&t);
  dbg("%02d:%02d:%02d ", ltime->tm_hour, ltime->tm_min, ltime->tm_sec);

  va_start(args, fmt);
  vfprintf(out_fp, fmt, args);
  fflush(out_fp);
  va_end(args);
}
#endif

#if DEBUG
void __hime_dbg_(char *fmt,...)
{
  va_list args;

  init_out_fp();

  va_start(args, fmt);
  vfprintf(out_fp, fmt, args);
  fflush(out_fp);
  va_end(args);
}
#endif

char *sys_err_strA()
{
  return (char *)strerror(errno);
}

void *zmalloc(int n)
{
  void *p =  malloc(n);
  bzero(p, n);
  return p;
}
#if !HIME_IME

void *memdup(void *p, int n)
{
  if (!p || !n)
    return NULL;
  void *q;
  q = malloc(n);
  memcpy(q, p, n);
  return q;
}

// can handle eol with \n \r \n\r \r\n
char *myfgets(char *buf, int bufN, FILE *fp)
{
	char *out = buf;
//	int rN = 0;
	while (!feof(fp) && out - buf < bufN) {
		char a, b;
		a = 0;
		if (fread(&a, 1, 1, fp) != 1)
			break;
		if (a =='\n') {
			b = 0;
			if (fread(&b, 1, 1, fp)==1)
				if (b!='\r')
					fseek(fp, -1, SEEK_CUR);
			break;
		} else
		if (a =='\r') {
			b = 0;
			if (fread(&b, 1, 1, fp)==1)
				if (b!='\n')
					fseek(fp, -1, SEEK_CUR);
			break;
		}

		*(out++) = a;
	}

	*out = 0;
	return buf;
}
#endif
