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logging.c
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1 /*
2  * logging.c - logging facility class implementation
3  *
4  * Copyright (C) 2003, 2004, 2005 Stefan Jahn <stefan@lkcc.org>
5  *
6  * This is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * This software is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this package; see the file COPYING. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  * $Id$
22  *
23  */
24 
25 #if HAVE_CONFIG_H
26 # include <config.h>
27 #endif
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <stdarg.h>
32 
33 #include "logging.h"
34 
35 /* This function prints the given messages format and the appropriate
36  arguments to a FILE stream depending on the given log level. */
37 void logprint (int level, const char * format, ...) {
38  FILE * f;
39  va_list args;
40 
41  f = level == LOG_STATUS ? file_status : file_error;
42  if (f != NULL) {
43  va_start (args, format);
44  vfprintf (f, format, args);
45  va_end (args);
46  fflush (f);
47  }
48 }
49 
50 /* Initialization of the logging interface. */
51 void loginit (void) {
52  file_error = file_status = stderr;
53 }
54 
55 /* Both of the log level dependent FILE streams. */
56 FILE * file_status = NULL;
57 FILE * file_error = NULL;
58 
59 /* Last number of '*' in the progress bar. */
61 
62 /* Print a tiny progress-bar depending on the arguments. */
63 void logprogressbar (nr_double_t current, nr_double_t final, int points) {
64  int i;
65  if (progressbar_enable) {
66  if (((int) (current * 100 / final)) == progressbar_last && current)
67  return;
68  progressbar_last = (int) (current * 100 / final);
69  if (progressbar_gui) {
70  logprint (LOG_STATUS, "\t%02d\r", progressbar_last);
71  }
72  else {
73  logprint (LOG_STATUS, "[");
74  for (i = 0; i < (current * points / final); i++)
75  logprint (LOG_STATUS, "*");
76  for (; i < points; i++) logprint (LOG_STATUS, " ");
77  logprint (LOG_STATUS, "] %.2f%% \r",
78  (double) (current * 100.0 / final));
79  }
80  }
81 }
82 
83 /* If non-zero then progress bars are painted... */
85 
86 /* If non-zero then progress bars are painted for the GUI. */
88 
89 /* Clears up the progress bar if requested. */
91  int i;
92  progressbar_last = 0;
94  for (i = 0; i < points + 15; i++) logprint (LOG_STATUS, " ");
95  logprint (LOG_STATUS, "\r");
96  }
97 }
void logprogressclear(int points)
Definition: logging.c:90
args
i
Definition: parse_mdl.y:516
points
Definition: parse_zvr.y:129
FILE * file_status
Definition: logging.c:56
int progressbar_gui
Definition: logging.c:87
int progressbar_last
Definition: logging.c:60
void logprogressbar(nr_double_t current, nr_double_t final, int points)
Definition: logging.c:63
List int
Definition: parse_citi.y:183
void loginit(void)
Definition: logging.c:51
#define LOG_STATUS
Definition: logging.h:29
FILE * file_error
Definition: logging.c:57
void logprint(int level, const char *format,...)
Definition: logging.c:37
int progressbar_enable
Definition: logging.c:84