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/***************************************************************************
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log.c - description
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-------------------
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begin : Mon Oct 18 2004
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copyright : (C) 2004 by leaf
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email : leaflet@leafok.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "io.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <time.h>
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#include <unistd.h>
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FILE *fp_log_std;
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FILE *fp_log_err;
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int
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log_begin (char *file_log_std, char *file_log_err)
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{
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fp_log_std = fopen (file_log_std, "a");
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if (fp_log_std == NULL)
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{
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perror ("log_begin failed\n");
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return -1;
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}
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fp_log_err = fopen (file_log_err, "a");
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if (fp_log_err == NULL)
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{
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perror ("log_begin failed\n");
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return -2;
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}
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return 0;
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}
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int
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log_end ()
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{
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fclose (fp_log_std);
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fclose (fp_log_err);
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}
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int
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log_head (char *buf)
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{
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time_t t;
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char s_time[256];
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t = time (0);
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strftime (s_time, 256, "%Y-%m-%d %H:%M:%S", localtime (&t));
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sprintf (buf, "[%s] [%d] ", s_time, getpid ());
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return 0;
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}
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int
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log_std (const char *format, ...)
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{
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va_list args;
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int retval;
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char buf[1024];
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log_head (buf);
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strcat (buf, format);
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va_start (args, format);
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retval = vfprintf (fp_log_std, buf, args);
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va_end (args);
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fflush (fp_log_std);
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return retval;
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}
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int
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log_error (const char *format, ...)
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{
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va_list args;
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int retval;
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char buf[1024];
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log_head (buf);
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strcat (buf, format);
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va_start (args, format);
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retval = vfprintf (fp_log_err, buf, args);
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va_end (args);
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fflush (fp_log_err);
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return retval;
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}
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int
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log_std_redirect (int fd)
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{
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int ret;
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close (fileno (fp_log_std));
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ret = dup2 (fd, fileno (fp_log_std));
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return ret;
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}
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int
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log_err_redirect (int fd)
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{
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int ret;
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close (fileno (fp_log_err));
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ret = dup2 (fd, fileno (fp_log_err));
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return ret;
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}
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